All - Architectural style - Greek Revival architecture
| Greer House |
| Gregg House |
| Grevemberg House |
| Grey Columns |
| Greyledge |
| Grider House |
| Griffin, A. B.,-O. H. Griffin House |
| Griffin, Alexander B., House |
| Griffin House |
| Griffin-Spragins House |
| Griffis-Patton House |
| Griffith House |
| Griffith, William R., House |
| Grignon, Charles A., House |
| Grinnell, Levi P., House |
| Grisamore House |
| Griswold, Peck, House |
| Gritton, Floyd, House |
| Grooms Tavern Complex |
| Grove Hill Courthouse Square Historic District |
| Grove, The |
| Grove, The |
| Guenther & Handel's Block |
| Guerry-Mitchell House |
| Guildford Center Presbyterian Church |
| Guilford |
| Guilford Center Meetinghouse |
| Gump House |
| Gunderson, Jos., House |
| Gundlach-Grosse House |
| Gunnell, John, House |
| Gunn House |
| Gurler, George H., House |
| Gushee Family House |
| Guy House |
| Gwinn, Samuel, Plantation |
| Gwynedd Hall |
| Gyles, Stella Pepper, House |
| Haddam Center Historic District |
| Hagaman, David, House |
| Hagans Homestead |
| Haight Village Historic District |
| Haines, Benjamin, House |
| Hale, Dr. James W., House |
| Hale, Edward Everett, House |
| Halladay Farmhouse |
| Halley, Capt. Robert, House |
| Hall Family House |
| Hall, Hannah Morse Fowler, House |
| Hall, Israel, House |
| Hall, Joseph E., House |
| Hall, Lewis, Mansion |
| Hall-London House |
| Hallock, George W., House |
| Hallock, Joseph, House |
| Hall, Robert, House |
| Hall, Samuel, House |
| Hamblen Block |
| Hamilton-Ely Farmstead |
| Hamilton House |
| Hamilton Place |
| Hamilton, Roscoe, House |
| Hamilton Union Church Rectory |
| Hamilton, William, House |
| Hamlett-Smith House |
| Hamline Chapel, United Methodist Church |
| Hammerly, G. P., House |
| Hampden Congregational Church |
| Hampstead |
| Hampton Hall |
| Hanckel-Barclay House (Boundary Increase) |
| Hancock County Courthouse |
| Hancock House |
| Hancock, John, House |
| Hand, Elias, House |
| Hand-Hale Historic District |
| Hanford, Uriah, House |
| Hanks, Thomas H., House |
| Hanora Mills |
| Hansbrough, John G. and William, House |
| Hansell, Augustine, House |
| Hansen House |
| Hanson, B. F., House |
| Haphazard |
| Hardee House |
| Hardeman, Franklin, House |
| Harding County Courthouse |
| Harding, Sarah H., House |
| Hardwick House |
| Hardy, Nahum, House |
| Hare Plantation House |
| Hargrave House |
| Harlow Homestead |
| Harmon Cobblestone Farmhouse and Cobblestone Smokehouse |
| Harmony Plantation |
| Harnden Farm |
| Harper House |
| Harrington Colbblestone Farmhouse and Barn Complex |
| Harrington-Dewar House |
| Harris, Col. John, House |
Data from United States Park Service and Wikidata
