St. Clair County
- Belleville, Brick Street, 500-600 blocks of East Garfield Street (covenant, EXPIRED)
- Belleville, Lincoln Hotel, North High & East "A" Streets (HABS IL-229)
- Cahokia, Church of the Holy Family, State Route 157 (HABS IL-25-6)
- Cahokia, Nicholas Jarrot Mansion, State Route 157 (HABS IL-25-7)
- Cahokia, Priest's House, State Route 157 (HABS IL-25-13)
- Dupo, Creamer House (HIBS S-1998-1)
- East Carondelet, Martin-Boismenue House, 2110 First Street (covenant, EXPIRED)
- Lebanon, McKendree College, Old Main Building, College Square (HABS IL-227)
- Lebanon, Mermaid House, 114 East Saint Louis Street (HABS IL-231)
- O'Fallon, Scott Air Force Base, Building No. 48 (HIBS S-2011-1)
- O'Fallon, Scott Air Force Base, Colonial and Georgian Housing (covenant)
- O'Fallon, Scott Air Force Base, Elevated Water Storage Tanks (Facilities No. 8010 and 8020) (HAER IL-1196-B)
- O'Fallon, Scott Air Force Base, Essex House Garage & Pool Complex (HIBS S-2014-1)
- O'Fallon, Scott Air Force Base, Facility No. 442 & 443 (HIBS S-1992-1)
- O'Fallon, Scott Air Force Base, General Officer Quarters, 229 Birchard Street (HAER IL-1196-A)
- O'Fallon, Scott Air Force Base, Intensive Cultural Resource Architectural Inventory of 39 Facilities (survey)
- Shiloh, McFarland-Voellinger House & Smokehouse (HIBS S-2007-1)
- Shiloh vicinity, Kiel Farmstead, east side State Route 4, one half mile south of U.S. Route 64 (HABS IL-1186)
- Shiloh vicinity, Kiel Farmstead, House, east side State Route 4, one half mile south of U.S. Route 64 (HABS IL-1186-A)
- Shiloh vicinity, Kiel Farmstead, Privy, east side State Route 4, one half mile south of U.S. Route 64 (HABS IL-1186-C)
- Shiloh vicinity, Kiel Farmstead, Summer Kitchen & Smokehouse, east side State Route 4, one half mile south of U.S. Route 64 (HABS IL-1186-B)
- Shiloh vicinity, Merkle Farmstead, 8570 Louella Lane, south side of U.S. Route 64 (HABS IL-1191)
- Shiloh vicinity, Merkel Farmstead, Barn, 8570 Louella Lane, south side of U.S. Route 64 (HABS IL-1191-D)
- Shiloh vicinity, Merkel Farmstead, Corncrib, 8570 Louella Lane, south side of U.S. Route 64 (HABS IL-1191-C)
- Shiloh vicinity, Merkel Farmstead, House, 8570 Louella Lane, south side of U.S. Route 64 (HABS IL-1191-A)
- Shiloh vicinity, Merkel Farmstead, Wine Press Building, 8570 Louella Lane, south side of U.S. Route 64 (HABS IL-1191-B)
- Shiloh Valley Township, Moore-Knobeloch Farmstead (HIBS S-2007-2)