Lake County
- Antioch, Archaeological sites 11-L-430, 11-L-431, 11-L-434, 11-L-436, and 11-L-441 (covenant)
- Barrington, Jewel Tea Company Inc., Plant & Office Building, 511 Lake Zurich Road (HIBS L-2003-1)
- Deerfield, Deerfield Congregational Church, 225 Wilmot Road (recordation)
- Deerfield, Mid-Century Modern Houses (survey)
- Fox Lake, Mineola Hotel, 91 North Cora Avenue (covenant, EXPIRED)
- Half Day, Tavern (HABS IL-139)
- Highland Park, Casino Building, Ravinia Park (HABS IL-1147)
- Highland Park, Central Avenue Bridge (HIER L-2019-1)
- Highland Park, Fort Sheridan (covenant, cultural resource management plan)
- Highland Park, General Robert E. Wood Mansion, 54 Laurel Avenue (covenant)
- Highland Park, Highland Park Recreation Center (Karger Center), 1850 Green Bay Road (HIBS L-2019-2)
- Highland Park, Jens Jensen Studio & Landscape, 950-954 Dean Avenue (HABS IL-1189)
- Highland Park, Obee House, 1642 Green Bay Road (HIBS L-1998-1)
- Highland Park, Ravinia Elementary School, 763 Dean Avenue (recordation)
- Lake Forest, Barat College, Old Main (HIBS L-2012-3)
- Lake Forest, Fort Sheridan, Artillery Barracks (Building No. 84), Leonard Wood Avenue (HABS IL-1113-25)
- Lake Forest, Fort Sheridan, Bachelor Officers' Quarters & Open Mess (Building No. 31), Leonard Wood Avenue (HABS IL-1113-6)
- Lake Forest, Fort Sheridan, Bakery (Building No. 34), Lyster Road (HABS IL-1113-8)
- Lake Forest, Fort Sheridan, Barracks (Building No. 142) (HIBS L-2006-3)
- Lake Forest, Fort Sheridan, Blacksmith Shop (Building No. 77), Thorpe Road (HABS IL-1113-22)
- Lake Forest, Fort Sheridan, Captains' Quarters (Building No. 12), 149 Logan Loop (HABS IL-1113-3)
- Lake Forest, Fort Sheridan, Cavalry Stable (Building No. 43), Thorpe & Chapman Roads (HABS IL-1113-14)
- Lake Forest, Fort Sheridan, Cold Storage House (Building No. 100), Lyster Road (HABS IL-1113-30)
- Lake Forest, Fort Sheridan, Company Kitchens (Building No. 108), Whistler Road (HABS IL-1113-31)
- Lake Forest, Fort Sheridan, Dead House (Building No. 87), Bradley Loop (HABS IL-1113-26)
- Lake Forest, Fort Sheridan, Fire Station (Building No. 79), Whistler & Ronan Roads (HABS IL-1113-24)
- Lake Forest, Fort Sheridan, Forage Storehouse (Building No. 39), Thorpe Road (HABS IL-1113-13)
- Lake Forest, Fort Sheridan, Guardhouse (Building No. 33), Lyster Road (HABS IL-1113-7)
- Lake Forest, Fort Sheridan, Gun Shed (Building No. 89), Ronan Road (HABS IL-1113-27)
- Lake Forest, Fort Sheridan, Infantry Barracks (Building No. 48), Leonard Wood Avenue (HABS IL-1113-17)
- Lake Forest, Fort Sheridan, Infantry Drill Hall (Building No. 60), Whistler & Ronan Roads (HABS IL-1113-21)
- Lake Forest, Fort Sheridan, Lieutenants' Quarters (Building No. 92), 3711 Leonard Wood Avenue (HABS IL-1113-29)
- Lake Forest, Fort Sheridan, Lieutenants' Quarters (Building No. 22), 165 Scott Loop (HABS IL-1113-4)
- Lake Forest, Fort Sheridan, Magazine (Building No. 57A), Bartlett Ravine Road (HABS IL-1113-19)
- Lake Forest, Fort Sheridan, Mess Hall & Heating Plant (Building No. 47), Whistler Road (HABS IL-1113-16)
- Lake Forest, Fort Sheridan, Non-Commissioned Officers' Quarters (Building No. 91), 3612 Lyster Road (HABS IL-1113-28)
- Lake Forest, Fort Sheridan, Non-Commissioned Officers' Quarters (Building No. 46), Ronan & Lyster Roads (HABS IL-1113-15)
- Lake Forest, Fort Sheridan, Ordnance Storehouse (Building No. 59), 3588 Lyster Road (HABS IL-1113-20)
- Lake Forest, Fort Sheridan, Post Commandant's Quarters (Building No. 9), 111 Logan Loop (HABS IL-1113-2)
- Lake Forest, Fort Sheridan, Post Hospital (Building No. 1), Bradley Loop (HABS IL-1113-1)
- Lake Forest, Fort Sheridan, Pumping Station (Building No. 29), Nicholson Road (HABS IL-1113-5)
- Lake Forest, Fort Sheridan, Quartermaster & Commissary Storehouse (Building No. 35), Lyster Road (HABS IL-1113-9)
- Lake Forest, Fort Sheridan, Quartermaster Stable (Building No. 38), Lyster Road (HABS IL-1113-12)
- Lake Forest, Fort Sheridan, Quartermaster Stable Guardhouse (Building No. 37), Lyster Road (HABS IL-1113-11)
- Lake Forest, Fort Sheridan, Saddler's & Stable Sargeant's Building (Building No. 78), Ronan Road (HABS IL-1113-23)
- Lake Forest, Fort Sheridan, Water Tower (Building No. 49), Leonard Wood Avenue (HABS IL-1113-18)
- Lake Forest, Fort Sheridan, Workshops (Building No. 36), west side of Lyster Road (HABS IL-1113-10)
- Lake Forest, Fort Sheridan Historic District (HABS IL-1113)
- Lake Forest, Sheridan Road Bridge, SN 049-0080 (HIER L-1997-1)
- Lake Forest vicinity, Newell's Reserve Parcel, Estate Landscaping and Grounds Buildings/Structures (HIBS L-1995-1)
- Lake Zurich, Silas & Alida Robertson Residence (HIBS L-2015-1)
- Lincolnshire, J. Kelly & Denise Johnson House (HIBS L-2016-1)
- Mundelein, Feehan Memorial Library, 1000 East Maple Street (covenant)
- Mundelein, Marsh's Settlement, Schoolhouse, Route 176 (HABS IL-140)
- Mundelein, Mundelein Center, 1020 West Sheridan Road (easement)
- North Chicago, Great Lakes METRA Station (HIBS L-1998-2)
- North Chicago, Great Lakes Naval Training Center, Building No. 914 (HIBS L-2000-1)
- North Chicago, Great Lakes Naval Training Station, Building No. 38-H (HIBS L-2015-2)
- North Chicago, Great Lakes Naval Training Station, Dormitories A and D (Building Nos. 25, 28) (HIBS L-2004-2)
- North Chicago, Great Lakes Naval Training Station, Fishbowl Housing Complex (Building Nos. 205H-209H) (HIBS L-2006-2)
- North Chicago, Great Lakes Naval Training Station, Pedestrian Bridge S113H (recordation)
- North Chicago, Great Lakes Naval Training Station, Quadruplex (Building No. 204H) (HIBS L-2006-1)
- North Chicago, Great Lakes Naval Training Station, Red Cross (Building No. 76) (HIBS L-2011-3)
- North Chicago, Rosalind Franklin University, 3001 Green Bay Road (covenant)
- Vernon Hills, Cuneo Estate (HIBS L-2016-2)
- Waukegan, Lighthouse (HABS IL-176)
- Waukegan, Swartout House, 414 Sheridan Road (HABS IL-26-3)
- Winthrop Harbor, Chicago & Milwaukee Railway Section House, 101 Sheridan Road (HABS IL-1252)
- Zion, Illinois Beach State Park, South Bathhouse (HABS IL-1285-A)