Cook County
- Arlington Heights, Arlington Park Racetrack, 2200 West Euclid Avenue (HIBS CK-2023-3)
- Arlington Heights, Colonel Paul G. Schulstad United States Army Reserve Center IL002/17580, Nike Missile Site C-80/81, Building Nos. 140, 141 and 144 (HIBS CK-2012-2)
- Arlington Heights, St. James Catholic School (HIBS CK-2018-2)
- Barrington vicinity, NIKE Missile Base C-84, east of Quentin Road between Lake Cook & Long Grove Roads (HAER IL-116)
- Barrington vicinity, NIKE Missile Base C-84, Acid Fueling Station, north of Launch Area Entrance Drive, eastern central portion of base (HAER IL-116-M)
- Barrington vicinity, NIKE Missile Base C-84, Acid Storage Shed, north of launch area, northwest of earthen berm of Acid Fueling Station (HAER IL-116-K)
- Barrington vicinity, NIKE Missile Base C-84, Administration Building, north of Launch Area Entrance Drive (HAER IL-116-B)
- Barrington vicinity, NIKE Missile Base C-84, Basketball Court, east of Mess Hall (HAER IL-116-N)
- Barrington vicinity, NIKE Missile Base C-84, Concrete Pad, north of Officers' Quarters & Administration Building (HAER IL-116-L)
- Barrington vicinity, NIKE Missile Base C-84, Generator Building, north of Launch Area Entrance Drive, northeast of Missile Assembly Area (HAER IL-116-G)
- Barrington vicinity, NIKE Missile Base C-84, Longer Barracks, south of Launch Area Entrance Drive (HAER IL-116-D)
- Barrington vicinity, NIKE Missile Base C-84, Mess Hall, north of Launch Area Entrance Drive, east of Officers' Quarters & Administration Building (HAER IL-116-C)
- Barrington vicinity, NIKE Missile Base C-84, Missile Test & Assembly Building, north of Launch Area Entrance Drive & east of Mess Hall (HAER IL-116-F)
- Barrington vicinity, NIKE Missile Base C-84, Paint & Oil Storage Shed, south of Launch Area Entrance Drive, near security fence (HAER IL-116-I)
- Barrington vicinity, NIKE Missile Base C-84, Pump House, north of Launch Area Entrance Drive, southwest of Missile Assembly Area (HAER IL-116-H)
- Barrington vicinity, NIKE Missile Base C-84, PX, South of Launch Area Entrance Drive, east of barracks (HAER IL-116-J)
- Barrington vicinity, NIKE Missile Base C-84, Sentry Guard House, Quentin Road at entrance to base (HAER IL-116-A)
- Barrington vicinity, NIKE Missile Base C-84, Shorter Barracks, south of Launch Area Entrance Drive, west of Longer Barracks (HAER IL-116-E)
- Barrington vicinity, NIKE Missile Base C-84, Underground Storage Magazines & Launcher-Loader Assemblies, easternmost portion of launch area (HAER IL-116-O)
- Barrington vicinity, NIKE Missile Base C-84, Water Well, north of administration area (HAER IL-116-P)
- Blue Island vicinity, Calumet-Sag Channel Bridges (HAER IL-121)
- Brookfield, Baboon Island (formerly Monkey Island) (HABS IL-1247)
- Brookfield, Brookfield Kindergarten, 3601 Forest Avenue (HABS IL-1087)
- Chicago, Albert F. Madlener House, 4 West Burton Place (HABS IL-1023)
- Chicago, Albert W. Sullivan House, 4575 Lake Park Avenue (HABS IL-1006)
- Chicago, Aldine Square, Smith House (HABS IL-153-A)
- Chicago, Aldine Square, Vincennes Avenue (HABS IL-153)
- Chicago, Alexander Von Humboldt School, 2620 West Hirsch Street (HIBS CK-2022-3)
- Chicago, All Saints Episcopal Church, 4550 North Hermitage Avenue (HABS IL-341)
- Chicago, Allyn Bacon Building (HIBS CK-1993-2)
- Chicago, Ann Halsted Townhouses, 1826-1834 Lincoln Park Avenue West (HABS IL-1096)
- Chicago, Auditorium Annex, 504 South Michigan Avenue (HABS IL-1012)
- Chicago, Auditorium Building, 430 South Michigan Avenue (HABS IL-1007) (covenant, EXPIRED) (letter of agreement no. 1, EXPIRED) (letter of agreement no. 2, EXPIRED)
- Chicago, Ayer Building, 218 South Wabash Avenue (HABS IL-1025)
- Chicago, Balbo Monument, Lakefront Trail, north of East Waldron Drive (HABS IL-1241)
- Chicago, Baltimore & Ohio Railroad, Chicago Terminal Railroad, South Branch of Chicago River Bridge, spanning South Branch of Chicago River (HAER IL-67)
- Chicago, Benjamin Greenberg Store and Flats, 2924 West Roosevelt Road (HIBS CK-2019-2)
- Chicago, Bryan Lathrop House, 120 East Bellevue Place (HABS IL-1037)
- Chicago, Cable Building, 57 East Jackson Boulevard (HABS IL-1003)
- Chicago, Cahokia Courthouse, Jackson Park (HABS IL-26-31-A)
- Chicago, Carlson Cottage, 2019 North Stockton Drive (easement)
- Chicago, Casey Building, 173-177 North Wells Street (HABS IL-1038)
- Chicago, Chapin & Gore Building, 63 East Adams Street (HABS IL-1039)
- Chicago, Charles J. Hull House, 800 South Halsted Street (HABS IL-1110)
- Chicago, Charles J. Hull House, Dining Room Wing, 800 South Halsted Street (HABS IL-1110-A)
- Chicago, Chess Pavilion, North Lake Shore Drive at East North Avenue (HABS IL-1238)
- Chicago, Chicago & Alton Railroad Bridge, spanning South Branch of Chicago River (HAER IL-104)
- Chicago, Chicago & North Western Railway, Kinzie Street Bridge, spanning North Branch of Chicago River, south of Kinzie Street (HAER IL-142)
- Chicago, Chicago & Western Indiana Railroad, Dearborn Station Trainshed, 47 West Polk Street (HAER IL-6)
- Chicago, Chicago & Western Indiana Railroad Bridge, spanning Sanitary & Ship Canal at Nerska Junction (HAER IL-79)
- Chicago, Chicago Athletic Association, 12 South Michigan Avenue (HABS IL-1226)
- Chicago, Chicago Avenue Bridge, spanning North Branch of Chicago River at West Chicago Avenue (HAER IL-144)
- Chicago, Chicago City Hall, 121 North LaSalle Street (HABS IL-1128)
- Chicago, Chicago Cityscape (HALS IL-10)
- Chicago, Chicago Criminal Courts Building, 54 West Hubbard Street (HABS IL-1036)
- Chicago, Chicago Garage (Chicago Park District), 3630-3642 North Halsted Street (HIBS CK-2003-3)
- Chicago, Chicago Historical Society, 632 North Dearborn Street (HABS IL-1010)
- Chicago, Chicago Ironwork (HABS IL-155)
- Chicago, Chicago Ironwork, Cyrus McCormick Estate (cast iron gate & fence), 675 Rush Street (HABS IL-155-O)
- Chicago, Chicago Ironwork, John DeKoven House (cast iron gate), 1150 North Dearborn Street (HABS IL-155-D)
- Chicago, Chicago Ironwork, Judge Carpenter House (cast iron balcony railing), 945 North Dearborn Street (HABS IL-155-B)
- Chicago, Chicago Ironwork, William M. Strong Estate (cast iron house & gate), 1352 West Washington Boulevard (HABS IL-155-W)
- Chicago, Chicago Ironwork, 1000 North Dearborn Street (cast iron fence railing) (HABS IL-155-C)
- Chicago, Chicago Ironwork, 1153 North Dearborn Street (cast iron fence railing) (HABS IL-155-E)
- Chicago, Chicago Ironwork, 1156 North Dearborn Street (cast iron gatepost & fence) (HABS IL-155-F)
- Chicago, Chicago Ironwork, 1159 North Dearborn Street (cast iron stair railing & fence) (HABS IL-155-G)
- Chicago, Chicago Ironwork, 1210 North Dearborn Street (cast iron gate & fence) (HABS IL-155-H)
- Chicago, Chicago Ironwork, 1237 North Dearborn Street (cast iron porch railing & fence) (HABS IL-155-I)
- Chicago, Chicago Ironwork, 1339 North Dearborn Street (cast iron gate & fence) (HABS IL-155-J)
- Chicago, Chicago Ironwork, 1362 North Dearborn Street (cast iron gate) (HABS IL-155-K)
- Chicago, Chicago Ironwork, Huron & Wabash Avenues (cast iron fence & gate) (HABS IL-155-L)
- Chicago, Chicago Ironwork, 66 West Oak Street (cast iron stair railing) (HABS IL-155-M)
- Chicago, Chicago Ironwork, 650 North Rush Street (cast iron fence) (HABS IL-155-N)
- Chicago, Chicago Ironwork, 701 North Rush Street (cast iron fence & gate) (HABS IL-155-P)
- Chicago, Chicago Ironwork, 711 North Rush Street (cast iron fence) (HABS IL-155-Q)
- Chicago, Chicago Ironwork, 720 North Rush Street (cast iron fence) (HABS IL-155-R)
- Chicago, Chicago Ironwork, 613 North Wabash Avenue (cast iron fence) (HABS IL-155-S)
- Chicago, Chicago Ironwork, 1021 South Wabash Avenue (cast iron stair railing) (HABS IL-155-T)
- Chicago, Chicago Ironwork, 1133 West Washington Boulevard (cast iron fence & railing) (HABS IL-155-U)
- Chicago, Chicago Ironwork, 1149 West Washington Boulevard (cast iron stair railing) (HABS IL-155-V)
- Chicago, Chicago Lock Gates (HIER CK-2010-1)
- Chicago, Chicago Loop Synagogue, 16 South Clark Street (HABS IL-343)
- Chicago, Chicago, Madison & Northern Railroad, Sanitary & Ship Canal Bridge, spanning Sanitary & Ship Canal, east of Kedzie Avenue (HAER IL-113)
- Chicago, Chicago, Milwaukee & St. Paul Railway, Bridge No. Z-2, spanning North Branch Canal at North Cherry Avenue (HAER IL-143)
- Chicago, Chicago, Milwaukee & St. Paul Railway, Bridge No. Z-6, spanning North Branch of Chicago River, south of Cortland Street (HAER IL-162)
- Chicago, Chicago Park District Administration Building, 425 East McFetridge Drive (HABS IL-1207)
- Chicago, Chicago Public Library, Michigan, Washington & Randolph Streets & North Garland Court (HABS IL-1011)
- Chicago, Chicago River Bascule Bridge, Canal Street, spanning South Branch Chicago River at Canal Street (HAER IL-137)
- Chicago, Chicago River Bascule Bridge, Clark Street, spanning Chicago River at Clark Street (HAER IL-64)
- Chicago, Chicago River Bascule Bridge, Columbus Avenue, spanning Chicago River at Columbus Avenue (HAER IL-136)
- Chicago, Chicago River Bascule Bridge, Franklin Street, spanning Chicago River at North Franklin Street (HAER IL-65)
- Chicago, Chicago River Bascule Bridge, Grand Avenue, spanning North Branch Chicago River at Grand Avenue (HAER IL-139)
- Chicago, Chicago River Bascule Bridge, Jackson Boulevard (HAER IL-55)
- Chicago, Chicago River Bascule Bridge, Kinzie Street, spanning North Branch Chicago River at Kinzie Street (HAER IL-134)
- Chicago, Chicago River Bascule Bridge, LaSalle Street, spanning Chicago River at North LaSalle Street (HAER IL-66)
- Chicago, Chicago River Bascule Bridge, Michigan Avenue, spanning Chicago River at North Michigan Avenue (HAER IL-37)
- Chicago, Chicago River Bascule Bridge, Monroe Street, spanning South Branch of Chicago River at Monroe Street (HAER IL-53)
- Chicago, Chicago River Bascule Bridge, Outer Drive, spanning Chicago River at Outer (Lakeshore) Drive (HAER IL-54)
- Chicago, Chicago River Bascule Bridge, State Street, spanning Chicago River at State Street (HAER IL-135)
- Chicago, Chicago River Bascule Bridge, Wabash Avenue, spanning Chicago River at North Wabash Avenue (HAER IL-48)
- Chicago, Chicago River Bascule Bridge, Washington Street, spanning Chicago River at Washington Street (HAER IL-38)
- Chicago, Chicago River Bascule Bridge, Wells Street, spanning South Branch Chicago River at North Wells Street (HAER IL-52)
- Chicago, Chicago River Bascule Bridge, West Cortland Street, spanning North Branch of Chicago River at West Cortland Street (HAER IL-138)
- Chicago, Chicago River Bascule Bridges, spanning Chicago River (HAER IL-111)
- Chicago, Chicago River Bridge, Cermak Road (HAER IL-50)
- Chicago, Chicago River Bridge, West Adams Street (HAER IL-51)
- Chicago, Chicago Sanitary and Ship Canal, extends 33.9 miles from Chicago to Lockport (HAER IL-197)
- Chicago, Chicago Skyway Toll Bridge, Interstate 90, for 7.8 miles from South State Street to Indiana state line (HAER IL-145)
- Chicago, Chicago Skyway Toll Bridge, Toll Plaza & Service Building, 8801 South Anthony Avenue (HAER IL-145-A)
- Chicago, Chicago Stock Exchange Building, 30 North LaSalle Street (HABS IL-1034)
- Chicago, Chicago Theater, 175 North State Street (HABS IL-1195)
- Chicago, Chicago Tribune Publishing Center (Freedom Center), 703 West Chicago Avenue (recordation)
- Chicago, Chicago Union Station, 500 West Jackson Boulevard (HABS IL-1249)
- Chicago, Chicago Water Tower, 800 North Michigan Avenue (HABS IL-1041)
- Chicago, City Club of Chicago, 315 South Plymouth Place (HABS IL-1080)
- Chicago, Columbian Exposition Store Buildings, East Fifty-seventh Boulevard & Stony Island Avenue (HABS IL-1062)
- Chicago, Commonwealth Edison Company, Crawford Electrical Generating Station, 3501 South Pulaski Road (HAER IL-114)
- Chicago, Commonwealth Electric Company, Fisk Street Electrical Generating Station, 1111 West Cermak Avenue (HAER IL-105)
- Chicago, Commonwealth Hotel, 2757 North Pine Grove (covenant, EXPIRED)
- Chicago, Cook County Hospital (HIBS CK-1997-1)
- Chicago, Crane & Moreland Building (HIBS CK-2014-2)
- Chicago, Crispus Attucks Elementary School, 3808-3812 South Dearborn Street (HABS IL-1251)
- Chicago, Daniel H. Sheldon House, 723 West Congress Street (HABS IL-26-1)
- Chicago, Delaware Building, 150 North Dearborn Street (covenant, EXPIRED)
- Chicago, East Division Street Bridge, spanning North Branch Canal at West Division Street (HAER IL-147)
- Chicago, Edison Shop, 229 South Wabash Avenue (HABS IL-1044)
- Chicago, Edward E. Ayer House, 2 East Banks Street (HABS IL-1035)
- Chicago, Elgin, Joliet & Eastern Railroad, Calumet River Bridge, spanning Calumet River, north of Ewing Avenue (HAER IL-149)
- Chicago, Emil Bach House, 7415 North Sheridan Road (HABS IL-1088)
- Chicago, Ernest J. Magerstadt House, 4930 South Greenwood Avenue (HABS IL-1024)
- Chicago, Fair Store, 126-144 South State Street (HABS IL-1060)
- Chicago, First Baptist Congregational Church of Chicago, 1613 West Washington Boulevard (easement)
- Chicago, First Congregational Church of Austin, 5701 West Midway Park (HABS IL-1067)
- Chicago, First Regiment Infantry Armory, 1552 South Michigan Avenue (HABS IL-1069)
- Chicago, Fisher Building, 343 South Dearborn Street (HABS IL-1082)
- Chicago, Fountain of the Great Lakes, 251 South Michigan Avenue (HALS IL-16)
- Chicago, Francis Apartments, 4304 South Forrestville Avenue (HABS IL-1076)
- Chicago, Francis J. Dewes House, 503 West Wrightwood Avenue (HABS IL-1043)
- Chicago, Frederick C. Robie House, 5757 Woodlawn Avenue (HABS IL-1005)
- Chicago, Fuller Park Community Building, South Princeton Avenue & Forty-Fifth Street (HABS IL-1083)
- Chicago, Gage, Keith & Ascher Buildings, 18 & 30 South Michigan Avenue (HABS IL-1065)
- Chicago, Garden City Warehouse, 320 West Jackson Boulevard (HABS IL-1013)
- Chicago, Getty Tomb, North Clark Street & West Irving Park Road (HABS IL-1045)
- Chicago, Giles Building, 423-429 South Wabash Avenue (HABS IL-1014)
- Chicago, Gilman House, 4544 South Greenwood (HIBS CK-1997-5)
- Chicago, Graceland Cemetery, Holmes Tomb, North Clark Street and West Irving Park Road (HABS IL-323-C)
- Chicago, Graceland Cemetery, Honoré Tomb, North Clark Street and West Irving Park Road (HABS IL-323-A)
- Chicago, Graceland Cemetery, Pullman Monument, North Clark Street and West Irving Park Road (HABS IL-323-E)
- Chicago, Graceland Cemetery, Ryerson Tomb, North Clark Street and West Irving Park Road (HABS IL-323-B)
- Chicago, Graceland Cemetery, Schoenhofen Tomb, North Clark Street and West Irving Park Road (HABS IL-323-D)
- Chicago, Granada Theatre, 6425-6441 North Sheridan Road (HABS IL-1156)
- Chicago, Grand Central Station, 201 West Harrison Street (HABS IL-1016)
- Chicago, Grover Cleveland Elementary School, 3850 North Albany Street (HABS IL-1079)
- Chicago, Hammond Library, 44 North Ashland Avenue (HABS IL-1017)
- Chicago, Hayes-Healy Gymnasium (HIBS CK-2004-6)
- Chicago, Henry Clarke House, 4526 South Wabash Avenue (moved from Michigan Avenue) (HABS IL-135) (letter of agreement, EXPIRED)
- Chicago, Hilliard Homes I, 2031 South Clark (Family Building) and 2111 South Clark (Senior Building) (covenant)
- Chicago, Hilliard Homes II, 30 West Cermak Road (Senior Building) and 2030 South State Street (Family Building) (covenant)
- Chicago, Hiram Sibley Warehouse, 315-331 North Clark Street (HABS IL-1047)
- Chicago, Historic Pullman Center (letter of agreement, EXPIRED)
- Chicago, Holy Family Church, 1104-1114 West Roosevelt Road (HABS IL-1048)
- Chicago, Holy Trinity Russian & Greek Orthodox Church, 1121 North Leavitt Street (HABS IL-1071)
- Chicago, Hotel Florence, 11111 South Forrestville Avenue (HABS IL-1018) (covenant, EXPIRED)
- Chicago, Ida B. Wells, Wells Extension, Clarence Darrow Homes and Madden Park Homes (HIBS CK-2002-1)
- Chicago, Illinois Central Railroad, Grain Elevator "A", South Water Street (HAER IL-15)
- Chicago, Illinois Central Railroad Station, Michigan & Roosevelt Streets (HABS IL-1106)
- Chicago, Illinois Institute of Technology (Cover Document) (HIBS CK-1999-5)
- Chicago, Illinois Institute of Technology, Armour Research Foundation Metals Research Building, 3350 South Federal Street (HABS IL-345-A)
- Chicago, Illinois Institute of Technology, Commons Building (HIBS CK-1999-5-A)
- Chicago, Illinois Institute of Technology, Gas Station (HIBS CK-1999-5-B)
- Chicago, Illinois Waterway, Thomas J. O'Brien Lock & Control Works, East 130th Street (HAER IL-164-I)
- Chicago, Immaculata High School, 640 West Irving Park Road (HABS IL-1074)
- Chicago, Ira A. Heath House, 3132 South Prairie Avenue (HABS IL-1066)
- Chicago, Irving Apartments, Oak & State Streets (HABS IL-1081)
- Chicago, Isidore Heller House, 5132 South Woodlawn Avenue (HABS IL-1046) (letter of agreement, EXPIRED)
- Chicago, Island Terrace Apartments, 6430 South Stony Island Avenue (HIBS CK-2024-4)
- Chicago, Jackson Park, South (Animal) Bridge (HIER CK-2001-1)
- Chicago, James Charnley House, 1365 North Astor Street (HABS IL-1009)
- Chicago, Jane Addams Houses (HIBS CK-2003-1)
- Chicago, Jane Addams Housing Complex (Partial) (HIBS CK-1998-5)
- Chicago, Jane Addams Housing Complex, 1349-1353 West Grenshaw/1336-1354 West Roosevelt Road (HIBS CK-1998-5-A)
- Chicago, Jane Addams Housing Complex, 1242-1250 West Roosevelt Road (HIBS CK-1998-5-C)
- Chicago, Jane Addams Housing Complex, 1252-1256 West Roosevelt Road (HIBS CK-1998-5-B)
- Chicago, Jane Addams Housing Complex, 1328-1344 West Taylor Street (HIBS CK-1998-5-D)
- Chicago, Jewelers' Building, 15-19 South Wabash Avenue (HABS IL-1049)
- Chicago, John Francis Kenna Apartments, 2214 East Sixty-Ninth Street (HABS IL-1094)
- Chicago, John J. Glessner House, 1800 South Prairie Avenue (HABS IL-1015) (covenant, EXPIRED) (letter of agreement, EXPIRED)
- Chicago, John Wentworth Farmhouse (HABS IL-156)
- Chicago, Jones School, 607 South Plymouth Court (HABS IL-1019)
- Chicago, Junior League of Chicago, 1447 North Astor Street (HABS IL-336)
- Chicago, Karel Havlicek Borovsky Monument, median of East Solidarity Drive, west of South Linn White Drive (HABS IL-1240)
- Chicago, Kehilath Anshe Ma'ariv Synagogue, 3301 South Indiana Avenue (HABS IL-1054)
- Chicago, Keller Drive Bridge (Ford City Drive Bridge) (HIER CK-2018-1)
- Chicago, Krause Music Store, 4611 North Lincoln Avenue (HABS IL-1073)
- Chicago, Lake Shore & Michigan Southern Railway, Bridge No. 6, spanning Calumet River, east of Chicago Skyway (HAER IL-161)
- Chicago, Lake Street Elevated Railway Interlocking Tower, Pulaski Road (HAER IL-3)
- Chicago, Lakeside Press, 731 South Plymouth Court (HABS IL-1020)
- Chicago, Lakeview Pumping Station, Clarendon & Montrose Avenues (HAER IL-4)
- Chicago, Leiter I Building, 200-208 West Monroe Street (HABS IL-1021)
- Chicago, Leiter II Building, South State & East Congress Streets (HABS IL-1022)
- Chicago, Lewis Institute, 1900 block West Madison Street (HABS IL-1208)
- Chicago, Lincoln Park, Lily Pool, 125 Fullerton Drive between Stockton Drive and Cannon Drive (HALS IL-15-A)
- Chicago, Lincoln Park Lagoon Bridge at Fullerton Parkway (HIER CK-2011-2)
- Chicago, Malcom Building, 662 North Clark Street (HABS IL-1050)
- Chicago, Manhattan Building, 431 South Dearborn Street (HABS IL-1051)
- Chicago, Marquette Building, 140 South Dearborn Street (HABS IL-1070)
- Chicago, Marshall Field River Warehouse, 310 West Polk Street (HABS IL-1182)
- Chicago, Maxwell Street Market Area (Cover Document) (HIBS CK-1997-7)
- Chicago, Maxwell Street Market Area, 1200-1208 South Halsted Street/801-803 West Roosevelt Road (HIBS CK-1997-7-L)
- Chicago, Maxwell Street Market Area, 1212 South Halsted Street (HIBS CK-1997-7-M)
- Chicago, Maxwell Street Market Area, 1215-1217 South Halsted Street (HIBS CK-1996-8)
- Chicago, Maxwell Street Market Area, 1220 South Halsted Street (HIBS CK-1997-7-G)
- Chicago, Maxwell Street Market Area, 1222 South Halsted Street (HIBS CK-1997-7-N)
- Chicago, Maxwell Street Market Area, 1224 South Halsted Street (HIBS CK-1997-7-Q)
- Chicago, Maxwell Street Market Area, 1226-1228 South Halsted Street (HIBS CK-1997-7-H)
- Chicago, Maxwell Street Market Area, 1234 South Halsted Street (HIBS CK-1997-7-I)
- Chicago, Maxwell Street Market Area, 1235 South Halsted Street (HIBS CK-1997-7-O)
- Chicago, Maxwell Street Market Area, 1236 South Halsted Street (HIBS CK-1997-7-P)
- Chicago, Maxwell Street Market Area, 1245 South Halsted Street (HIBS CK-1997-7-R)
- Chicago, Maxwell Street Market Area, 1247-1249 South Halsted Street (HIBS CK-1997-7-S)
- Chicago, Maxwell Street Market Area, 1251-1253 South Halsted Street (HIBS CK-1997-7-T)
- Chicago, Maxwell Street Market Area, 1259 South Halsted Street (HIBS CK-1997-7-U)
- Chicago, Maxwell Street Market Area, 1261 South Halsted Street (HIBS CK-1996-9)
- Chicago, Maxwell Street Market Area, 1301-1303 South Halsted Street (HIBS CK-1997-7-V)
- Chicago, Maxwell Street Market Area, 1302 South Halsted Street (HIBS CK-1997-7-W)
- Chicago, Maxwell Street Market Area, 1304 South Halsted Street (HIBS CK-1997-7-J)
- Chicago, Maxwell Street Market Area, 1305-1309 South Halsted Street (HIBS CK-1997-7-K)
- Chicago, Maxwell Street Market Area, 1308 South Halsted Street (HIBS CK-1997-7-X)
- Chicago, Maxwell Street Market Area, 1311-1315 South Halsted Street (HIBS CK-1997-7-Y)
- Chicago, Maxwell Street Market Area, 1320 South Halsted Street (HIBS CK-1997-7-Z)
- Chicago, Maxwell Street Market Area, 1325-1333 South Halsted Street/739-743 West Maxwell Street (HIBS CK-1997-7-F)
- Chicago, Maxwell Street Market Area, 1328-1338 South Halsted Street/801 West Maxwell Street (HIBS CK-1995-2)
- Chicago, Maxwell Street Market Area, 1335-1337 South Halsted Street (HIBS CK-1996-10)
- Chicago, Maxwell Street Market Area, 1341 South Halsted Street (HIBS CK-1997-7-AA)
- Chicago, Maxwell Street Market Area, 700-702 West Maxwell Street (HIBS CK-1995-4)
- Chicago, Maxwell Street Market Area, 701 West Maxwell Street (HIBS CK-1996-14)
- Chicago, Maxwell Street Market Area, 704-706 West Maxwell Street (HIBS CK-1995-3)
- Chicago, Maxwell Street Market Area, 710 West Maxwell Street (HIBS CK-1996-1)
- Chicago, Maxwell Street Market Area, 711-715 West Maxwell Street (HIBS CK-1996-3)
- Chicago, Maxwell Street Market Area, 716 West Maxwell Street (HIBS CK-1997-7-BB)
- Chicago, Maxwell Street Market Area, 717 West Maxwell Street (HIBS CK-1997-7-CC)
- Chicago, Maxwell Street Market Area, 720-724 West Maxwell Street/723-25 West O'Brien Street (HIBS CK-1996-2)
- Chicago, Maxwell Street Market Area, 721 West Maxwell Street (HIBS CK-1996-4)
- Chicago, Maxwell Street Market Area, 723-725 West Maxwell Street (HIBS CK-1996-11)
- Chicago, Maxwell Street Market Area, 726 West Maxwell Street (HIBS CK-1997-7-E)
- Chicago, Maxwell Street Market Area, 727 West Maxwell Street (HIBS CK-1996-5)
- Chicago, Maxwell Street Market Area, 729 West Maxwell Street (HIBS CK-1996-6)
- Chicago, Maxwell Street Market Area, 733-737 West Maxwell Street (HIBS CK-1996-7)
- Chicago, Maxwell Street Market Area, 807 West Maxwell Street (HIBS CK-1995-1)
- Chicago, Maxwell Street Market Area, 711 West O'Brien Street (HIBS CK-1997-7-EE)
- Chicago, Maxwell Street Market Area, 713 West O' Brien Street (HIBS CK-1997-7-FF)
- Chicago, Maxwell Street Market Area, 701-709 West Roosevelt Road (HIBS CK-1997-7-B)
- Chicago, Maxwell Street Market Area, 723-725 West Roosevelt Road (HIBS CK-1997-7-C)
- Chicago, Maxwell Street Market Area, 727-729 West Roosevelt Road (HIBS CK-1997-7-D)
- Chicago, Maxwell Street Market Area, 1210 South Union Avenue (HIBS CK-1997-7-A)
- Chicago, McGill Mansion, 4938 South Drexel Boulevard (letter of agreement, EXPIRED)
- Chicago, Medinah Temple (HIBS CK-2001-4)
- Chicago, Meyer Building, 301-311 West VanBuren Street (HABS IL-1026)
- Chicago, Middle Bridge, spanning Jackson Park Lagoon at East Hayes Drive (HAER IL-153)
- Chicago, Midway Airport, South Terminal, Cicero Avenue between Fifty-fifth & Sixty-third Streets (HABS IL-305)
- Chicago, Midway Airport, United States Army Air Corps Hangar (HIBS CK-1996-12)
- Chicago, Midway Aviation Support Facility (HIBS CK-2017-46)
- Chicago, Monadnock Block, 53 West Jackson Boulevard (HABS IL-1027)
- Chicago, Morton Salt Building (HIBS CK-2017-47)
- Chicago, Museum of Science and Industry, 57th Street and Lake Shore Drive (easement)
- Chicago, Normal & Eggleston Avenue Bridges over Auburn Park Lagoon (HIER CK-1997-2&3)
- Chicago, North Avenue Bridge (HIER CK-1997-6)
- Chicago, North Avenue Bridge, spanning North Branch of Chicago River at West North Avenue (HAER IL-154)
- Chicago, North Halsted Street Bridge over the Chicago River (HIER CK-1997-4)
- Chicago, North Halsted Street Canal Bridge, spanning North Branch Canal at North Halsted Street (HAER IL-160)
- Chicago, North Inlet Bridge, spanning North Inlet from Lake Michigan to Fifty-ninth Street Marina (HAER IL-120)
- Chicago, Northwestern Elevated Railroad (HAER IL-1197)
- Chicago, Northwestern Elevated Railroad, Evanston Branch, Track Structure (HAER IL-1997-C)
- Chicago, Northwestern Elevated Railroad, Interlocking Tower, Wilson Avenue (HAER IL-2)
- Chicago, Northwestern Elevated Railroad, North Main Line and Ravenswood Loop Connector, Elevated Steel Track Structure (HAER IL-1197-A)
- Chicago, Northwestern Elevated Railroad, North Main Line, Retained Embankment Track Structure (HAER IL-1197-B)
- Chicago, Northwestern Elevated Railroad, Ravenswood Branch, Track Structure (HAER IL-1997-D)
- Chicago, Oak Woods Cemetery, Confederate Mound, 1035 East 67th Street (HALS IL-2-A)
- Chicago, Oakwood Boulevard Viaduct over Metra/ICRR (HIER CK-2007-2)
- Chicago, Occidental Building, 107-111 North Wacker Drive (HABS IL-1028)
- Chicago, Old Colony Building, 407 South Dearborn Street (HABS IL-1053)
- Chicago, On Leong Merchants Association, 2216 South Wentworth Avenue (HABS IL-325)
- Chicago, One-Hundred-Sixth Street Bridge, spanning Calumet River at East 106th Street (HAER IL-150)
- Chicago, Opila Paper Company, 2010-2012 South Ashland Avenue (HABS IL-1277)
- Chicago, Oscar Steffens House, 7631 North Sheridan Road (HABS IL-1063)
- Chicago, Palace Hotel, 516 North Clark Street (HABS IL-1057)
- Chicago, Passerelle in Lincoln Park, spanning North Lake Shore Drive (U.S. Route 41) on axis of East Menomonee Street (HAER IL-155)
- Chicago, Patterson-McCormick Mansion, 20 East Burton Place (letter of agreement no. 1, EXPIRED) (letter of agreement no. 2, EXPIRED)
- Chicago, Pennsylvania Railroad, "Eight-track" Bascule Bridge, spanning Sanitary & Ship Canal, west of Western Avenue (HAER IL-99)
- Chicago, Pennsylvania Railroad, South Branch Chicago River Bridge, spanning South Branch of Chicago River Bridge, east of Canal Street (HAER IL-112)
- Chicago, Peter Schoenhofen Brewery, West Eighteenth Street & Canalport Avenue (HAER IL-12)
- Chicago, Phelps-Dodge-Palmer Building, 200 West Adams Street (HABS IL-1124)
- Chicago, Pittsburgh, Fort Wayne & Chicago Railway, Calumet River Bridge, spanning Calumet River, east of Chicago Skyway (HAER IL-156)
- Chicago, Plaza Hotel, 1553 North Clark Street (HABS IL-1055)
- Chicago, Plymouth Hotel (HIBS CK-2003-6)
- Chicago, Pontiac Building, 542 South Dearborn Street (HABS IL-1102)
- Chicago, Pullman Company Administration Building & Shops, 1101 South Cottage Grove Street (HABS IL-1091)
- Chicago, Pullman Greenstone Church, 11211 South St. Lawrence Avenue (HABS IL-322)
- Chicago, Pullman Industrial Complex, 111th Street & Cottage Grove Avenue vicinity (HAER IL-5)
- Chicago, Pullman Industrial Complex, Worker's Housing, 111th Street & Cottage Grove Avenue vicinity (HABS IL-173)
- Chicago, Quinn Chapel A.M.E. Church, 2401 South Wabash Avenue (HABS IL-1204)
- Chicago, Reginald DeKoven House, 104 East Bellevue Place (HABS IL-1042)
- Chicago, Reliance Building, 32 North State Street (HABS IL-1029)
- Chicago, Republic Building, 209 South State Street (HABS IL-1004)
- Chicago, Robert S. Abbott House, 4742 Martin Luther King Drive (HABS IL-1092)
- Chicago, Rockwell Street Line Elevated Bridges (HIER CK-2021-1)
- Chicago, Rookery Building, 209 South LaSalle Street (HABS IL-1030)
- Chicago, St. Charles Air Line Bridge, spanning South Branch of Chicago River, north of Sixteenth Street (HAER IL-157)
- Chicago, St. Gabriel's Church, 4522 South Wallace Street (HABS IL-1032)
- Chicago, St. Ignatius College, 1076 West Roosevelt Road (HABS IL-1056) (covenant, EXPIRED)
- Chicago, St. Leo the Great Roman Catholic Church (HIBS CK-2004-11)
- Chicago, St. Mary's Home for Children, 2822 West Jackson Boulevard (HIBS CK-1998-2)
- Chicago, St. Patrick's Church, Adams & Desplaines Streets (HABS IL-1033)
- Chicago, St. Thomas the Apostle Church, 5472 South Kimbark Avenue (HABS IL-326)
- Chicago, Samuel M. Nickerson House, 40 East Erie Street (HABS IL-1052)
- Chicago, Santa Fe Railroad, Grain Elevator, On Atchison, Topeka & Santa Fe Railroad Slip, South Side of Sanitary & Ship Canal (HAER IL-75)
- Chicago, Santa Fe Railroad, Sanitary & Ship Canal Bridge, spanning Sanitary & Ship Canal east of Harlem Avenue (HAER IL-39)
- Chicago, Second Baptist Church, Morgan & Monroe Streets (HABS IL-26-2)
- Chicago, Schiller Building, 64 West Randolph Street (HABS IL-1058)
- Chicago, Schlesinger & Mayer Department Store, 1 South State Street (1-19 South State Street 1-15 East Madison Street) (HABS IL-1064)
- Chicago, Schoenhofen Brewing Company, Powerhouse, 1770 Canalport Avenue (HABS IL-1059)
- Chicago, Scoville Building, 619-631 West Washington Street (HABS IL-1114)
- Chicago, Sears Roebuck & Company Mail Order Plant, bounded by Lexington & Grenshaw Streets, Kedzie Avenue & Independence Boulevard (HABS IL-1187)
- Chicago, Sears Roebuck & Company Mail Order Plant, Merchandise Building, 924 South Homan Avenue (HABS IL-1187-A)
- Chicago, Second Presbyterian Church, 1936 South Michigan Avenue (HABS IL-328)
- Chicago, Shedd Park Recreation Building, South Twenty-Third Street & Lawndale Avenue (HABS IL-1107)
- Chicago, Shreve Building, 100-104 West Lake Street (HABS IL-1031)
- Chicago, Siena High School, 5628 West Washington Boulevard (addition dedication booklet)
- Chicago, Sixth City Hall-County Building, LaSalle, Washington, Clark & Randolph Streets (HABS IL-1127)
- Chicago, Sixth Presbyterian Church (HIBS CK-2004-14)
- Chicago, South Bridge, spanning Jackson Park Lagoon at South Lake Shore Drive (U.S. Route 41) (HAER IL-146)
- Chicago, South Chicago Ship Chandlery Company Building, 3217 East 92nd Street (HIBS CK-2023-4)
- Chicago, South Drexel Apartments (HIBS CK-2004-3-10)
- Chicago, Springer Block, 126-146 North State Street (HABS IL-1008)
- Chicago, Stephen A. Douglas Tomb, 636 East Thirty-Fifth Street (HABS IL-1224)
- Chicago, Stone Temple Missionary Baptist Church, 3620-3624 West Douglas Boulevard (easement)
- Chicago, Studebaker Building, 410 South Michigan Avenue (HABS IL-1078)
- Chicago, Tenement Building "E", Langley Avenue (HABS IL-1111)
- Chicago, Thalia Hall, 1215-1225 West Eighteenth Street (HABS IL-1220)
- Chicago, The Forum, 318-328 East 43rd Street (easement)
- Chicago, Third City Hall, Randolph Street (HABS IL-1126)
- Chicago, Thirty-First Street Viaduct, East Thirty-First Street (HAER IL-158)
- Chicago, Ulysses S. Grant Monument, 1950 North Ridge Drive (HABS IL-1222)
- Chicago, Underwriters' Laboratories, 207-231 East Ohio Street (HABS IL-1116)
- Chicago, Union Elevated Railroad, Adams Street Station, Wabash Avenue (HAER IL-1-C)
- Chicago, Union Elevated Railroad, Clark Street Station, Lake Street (HAER IL-1-E)
- Chicago, Union Elevated Railroad, Madison-Wabash Avenue Station, Madison Street & Wabash Avenue (HAER IL-1-I)
- Chicago, Union Elevated Railroad, Madison-Wells Station, Madison & Wells Streets (HAER IL-1-G)
- Chicago, Union Elevated Railroad, Quincy Street Station, Wells Street (HAER IL-1-A)
- Chicago, Union Elevated Railroad, Randolph-Wabash Avenue Station, Randolph Street & Wabash Avenue (HAER IL-1-D)
- Chicago, Union Elevated Railroad, Randolph-Wells Street Station, Randall & Wells Street (HAER IL-1-F)
- Chicago, Union Elevated Railroad, State Street Station, Van Buren Street (HAER IL-1-B)
- Chicago, Union Elevated Railroad, State-Lake Station, State & Lake Streets (HAER IL-1-H)
- Chicago, Union Elevated Railroad, Union Loop, Wells, Van Buren, Lake Streets & Wabash Avenue (HAER IL-1)
- Chicago, Union Stockyards, Gate, Exchange Avenue at Peoria Street (HABS IL-1219-A)
- Chicago, United States Main Post Office, 433 West Van Buren Street (covenant)
- Chicago, United States Marine Hospital, 4141 North Clarendon Avenue (HABS IL-1084)
- Chicago, United States Post Office, Customs House & Sub-Treasury, 218 South Dearborn Street (HABS IL-1040)
- Chicago, University of Chicago, Whitman Laboratory, Phemister Hall and Visual Services Building (HIBS CK-2004-2)
- Chicago, University of Chicago Children's Hospital (HIBS CK-2000-2)
- Chicago, University of Chicago Children's Hospital, 5701-5703 South Maryland Avenue (HIBS CK-2000-2-A)
- Chicago, University of Chicago Children's Hospital, 5705-5707 South Maryland Avenue (HIBS CK-2000-2-B)
- Chicago, University of Chicago Children's Hospital, 5709-5711 South Maryland Avenue (HIBS CK-2000-2-C)
- Chicago, University of Chicago Children's Hospital, 5715-5717 South Maryland Avenue (HIBS CK-2000-2-D)
- Chicago, University of Chicago Children's Hospital, 5721-5725 South Maryland Avenue (HIBS CK-2000-2-E)
- Chicago, University of Chicago Children's Hospital, 5727-5729 South Maryland Avenue (HIBS CK-2000-2-F)
- Chicago, University of Chicago Children's Hospital, 5731-5733 South Maryland Avenue (HIBS CK-2000-2-G)
- Chicago, University of Chicago Children's Hospital, 5737 South Maryland Avenue (HIBS CK-2000-2-H)
- Chicago, University of Chicago Children's Hospital, 5741-5743 South Maryland Avenue (HIBS CK-2000-2-I)
- Chicago, University of Chicago Children's Hospital, 5742-5748 South Maryland Avenue (HIBS CK-2000-2-J)
- Chicago, University of Illinois Medical Center Campus (Cover Document) (HIBS CK-1999-2)
- Chicago, University of Illinois Medical Center Campus, Institute for Juvenile Research (HIBS CK-1999-2-B)
- Chicago, University of Illinois Medical Center Campus, Medical Sciences South Building (HIBS CK-1999-2-A)
- Chicago, U.S.S. Silversides Submarine (letter of agreement, EXPIRED)
- Chicago, Vautravers Flats (HIBS CK-2017-1)
- Chicago, W. C. Reebie & Brother Warehouse, 5035 North Broadway (HABS IL-1280)
- Chicago, W. W. Kimball House, 1801 South Prairie Avenue (HABS IL-1077)
- Chicago, Wacker Drive Viaduct (HIER CK-1998-6)
- Chicago, Washburne Trade School, Liquid Carbonic Company Plant and Administration Building (HIBS CK-2005-1)
- Chicago, West Division Street Bridge, spanning North Branch of Chicago River at West Division Street (HAER IL-148)
- Chicago, Western Avenue, Sanitary & Ship Canal Bridge, spanning Sanitary & Ship Canal (HAER IL-40)
- Chicago, Willard School (HIBS CK-1996-13)
- Chicago, 1850 West 21st Street (recordation)
- Chicago, 10527 South Corliss Avenue (covenant)
- Chicago, 1625 North Damen Avenue (covenant, EXPIRED)
- Chicago, 923 North Dearborn Street (HABS IL-155-A)
- Chicago, 2709-2715 West Division Street (HABS IL-1257)
- Chicago, 1706 West Jackson Boulevard (HIBS CK-1994-1)
- Chicago, 803 South Leavitt Street (letter of agreement, EXPIRED)
- Chicago, 825 South Leavitt Street (letter of agreement, EXPIRED)
- Chicago, 10454-10456 South Maryland Avenue (HIBS CK-2012-1)
- Chicago, 805-807 South Oakley Boulevard (letter of agreement, EXPIRED)
- Chicago, 1359 North Paulina Street (HABS IL-1118-A)
- Chicago, 1359-1363 North Paulina Street (HABS IL-1118)
- Chicago, 1361 North Paulina Street (HABS IL-1118-B)
- Chicago, 1363 North Paulina Street (HABS IL-1118-C)
- Chicago, 501 West Surf Street (covenant)
- Chicago, 1017 South Wabash Avenue (HABS IL-184)
- Des Plaines, Hart, Schaffner & Marx Warehouse Building and Factory Addition, 1680 East Touhy Avenue (HABS IL-1255)
- Des Plaines, U.S. Post Office, 622 Graceland Avenue (HIBS CK-2024-1)
- Des Plaines, 1411 Ellinwood Avenue, 1415 Ellinwood Avenue, 1425 Ellinwood Avenue, 651 Graceland Avenue, 688 Lee Street, and 692 Lee Street (HIBS CK-2018-3)
- Elmwood Park, Westwood Evangelical Lutheran Church & Parsonage, 7810 Elmgrove Drive (HABS IL-1268)
- Evanston, Charles Gates Dawes House, 225 Greenwood Street (HABS IL-337)
- Evanston, Dyche Stadium (Ryan Field), 1501 Central Street (HIBS CK-2024-2)
- Evanston, Frances E. Willard House, 1730 Chicago Avenue (HABS IL-1095)
- Evanston, Frederick B. Carter, Jr. House, 1024 Judson Street (HABS IL-1086) (letter of agreement, EXPIRED)
- Evanston, Grosse Point Lighthouse, 2601 Sheridan Road (HABS IL-1212) (letter of agreement no. 1, EXPIRED) (letter of agreement no. 2, EXPIRED)
- Evanston, Hurd Comstock House No. 2, 1631 Ashland Avenue (HABS IL-1089)
- Evanston, Shadrach Bond Mantel, 929 Sheridan Road (moved from Kaskaskia, IL) (HABS IL-26-31-B)
- Evanston, Woman's Christian Temperance Union Administration Building, 1730 Chicago Avenue (HABS IL-1237)
- Evergreen Park, Drury Lane Theatre & Martinique Restaurant and Banquet Hall (survey)
- Forest Park, Forest Home Cemetery Truss Bridges (HIER CK-1999-4-A&B)
- Glencoe, Julius Albright House, Hohfelder Road (HABS IL-134)
- Glencoe, Ravine Bluffs Development Bridge, spanning ravine at Sylvan Road (HAER IL-14)
- Glencoe, W. A. Glasner House, 850 Sheridan Road (HABS IL-1098)
- Glenview, Glenview Naval Air Station, Hangar No. 1 (HIBS CK-2001-3)
- Glenwood, Brookwood Middle School (HIBS CK-2015-2)
- Harvey, Elks Clubs Lodge (HIBS CK-1998-3)
- Hines, Edward Hines, Jr. VA Hospital, Building No. 51 (HIBS CK-2009-1)
- Kenilworth, Kenilworth Club, 10 Kenilworth Avenue (HABS IL-1090)
- La Grange, La Grange Stone Avenue Depot, 701 Burlington Avenue (HABS IL-1218)
- La Grange, Meadowbrook Manor LaGrange Skilled Nursing Facility (HIBS CK-2013-1)
- La Grange Park, Oak Avenue School, 555 North Kensington Avenue (HIBS CK-2023-1)
- Lansing, Ford Hangar, 19507-19539 Burnham Avenue (covenant)
- Lemont, Illinois Pure Aluminum Company, 109 Holmes Street (HAER IL-45)
- Lemont, Town of Lemont (HABS IL-311)
- Northbrook, Allstate Corporate Campus, 2775 Sanders Road (HIBS CK-2022-1)
- Northbrook, Techny Farm Swine Barn (HIBS CK-1999-3)
- Oak Park, Dale Bumstead House, 504 North East Avenue (covenant no. 1, EXPIRED) (covenant no. 2, EXPIRED)
- Oak Park, Edward W. McCready House, 231 North Euclid Street (HABS IL-1075)
- Oak Park, Frank Lloyd Wright Home & Studio, 428 Forest Avenue & 951 Chicago Avenue (HABS IL-1099)
- Oak Park, Harry S. Adams House, 710 West Augusta Street (letter of agreement, EXPIRED)
- Oak Park, John Farson House, 217 South Home Avenue (HABS IL-1210)
- Oak Park, Maartin Slinger Flats (HIBS CK-2007-1)
- Oak Park, Mrs. Thomas Gale House, 6 Elizabeth Court (covenant, EXPIRED)
- Oak Park, Oak Park Theatre, 116-120 South Marion Street (HABS IL-1149)
- Oak Park, T. S. Eastabrook House, 200 North Scoville Street (HABS IL-1085)
- Oak Park, Unity Temple, 875 Lake Street (HABS IL-1093)
- Oak Park, Vernon House, 200 Forest Avenue (letter of agreement, EXPIRED)
- Oak Park, William E. Martin House, 636 North East Avenue (HABS IL-1229)
- Oak Park, 245 North Kenilworth Avenue (covenant, EXPIRED)
- Orland Park, Doctor School (HIBS CK-2000-1)
- Orland Park, Schmaedeke Funeral Home, 14205 Union Avenue (HABS IL-1243)
- Palatine, Culvert, Deer Grove Preserves (recordation)
- Palatine, George Clayson House, 229 East Palatine Road (covenant, EXPIRED)
- Park Ridge, Park Ridge Youth Campus (HIBS CK-2014-3)
- River Forest, Lutheran Child Welfare Association Building, 7620 West Madison Street (HIBS CK-2022-2)
- River Forest, William E. Drummond House, 559 Edgewood Place (HABS IL-1072)
- River Forest, William H. Winslow House, Auvergne Place (HABS IL-1061)
- Riverside, Avery Coonley House, 300 Scottswood Road, 281 Bloomingbank Road (HABS IL-1100)
- Riverside, Babson Stable & Service Building, 283 Gatesby Lane (HABS IL-1068)
- Riverside, Hofmann Dam (HAER IL-163)
- Riverside, Riverside Railroad Depot, 90 Bloomingbank Road (HABS IL-1217)
- Riverside, Tomek House, 150 Nuttal Road (letter of agreement, EXPIRED)
- Riverside, Water Tower, 10 Pine Avenue (easement)
- Schaumburg, Schweikher-Langsdorf House & Studio Museum, 645 South Meacham Road (HABS IL-340)
- Schaumburg, Schweikher-Langsdorf House & Studio Museum, 645 South Meacham Road (HALS IL-14)
- Skokie, Edward B. and Martha Meyer Schoeneberger House, 8047 Floral Avenue (HABS IL-1278)
- Skokie, Edward B. and Martha Meyer Schoeneberger House, Garage, 8047 Floral Avenue (HABS IL-1278-A)
- Skokie, Lincoln Junior High School, 7839 Lincoln Avenue (HABS IL-1261)
- Skokie, Niles East Township High School (HIBS CK-1993-1)
- Skokie, Portland Cement Association Campus, 5400-5420 Old Orchard Road (HIBS CK-2023-2)
- Skokie, Tower Road Bridge (HIER CK-1991-1)
- Summit, Town of Summit (HABS IL-319)
- Tinley Park, Villa Santa Maria, 6101 Oak Forest Avenue (HABS IL-1279)
- Western Springs, First Congregational Church, 1106 Chestnut Street (HABS IL-1223)
- Western Springs, Western Springs Water Tower, 914 Hillgrove Avenue (letter of agreement, EXPIRED)
- Wheeling, Palwaukee Airport, Hangar No. 1 (HIER CK-2009-1)
- Wilmette, Alfred Bersbach House, 1120 Michigan Avenue (HABS IL-1103)
- Wilmette, Gross Point Village Hall, 609 Ridge Road (covenant, EXPIRED)
- Wilmette, Ralph S. Baker House, 1226 Ashland Avenue (HABS IL-1097)
- Wilmette, Roemer House, 2739 Old Glenview Road (HABS IL-1152)
- Winnetka, Everett Wilson House, 645 Sheridan Road (historical and architectural impact study)
- Winnetka, New Trier High School, Leslie F. Gates Gymnasium and campus boiler plant, 385 Winnetka Avenue (recordation, photos)
- Rural Cook County, Archaeological site 11-CK-790 (covenant)