All - Architectural style - Colonial Revival architecture
| Gideon, Peter, Farmhouse |
| Giguere, Thomas, Three-Decker |
| Gillis Orphans' Home |
| Gill, Thomas J., House |
| Gilmanton Academy |
| Gilmanton Iron Works Library |
| Gilmer County Poor Farm Infirmary |
| Gilsey Mansion |
| Ginn Carriage House |
| Ginn Gardener's House |
| Giraud, Joseph, House |
| Glencoe School |
| Glendside Memorial Hall |
| Glenn Dale Tuberculosis Hospital and Sanatorium |
| Glen Saint Mary Nurseries Company |
| Glens Falls High School |
| Glens Falls Home for Aged Women |
| Glenville School |
| Glenwood High School |
| Gluek, John G. and Minnie, House and Carriage House |
| Goddard, Harry, House |
| Godwin-Knowles House |
| Goff House |
| Goff, William I. and Magdalen M., House |
| Golden Hotel |
| Goliad State Park Historic District |
| Goodall, Louis B., Memorial Library |
| Goodall, Thomas, House |
| Goodland-Grant Township Public Library |
| Goodloe, Don S. S., House |
| Goodsprings Schoolhouse |
| Gordon House |
| Gorham House |
| Gorsett Farmstead |
| Goss, Arnold and Gertrude, House |
| Gottschalk, Frederick L. and L. Frederick, Houses |
| Gover-Hardin House |
| Gov. Smith Homestead |
| Gowanlock, Elizabeth B., House |
| Gowing, Joseph, Farm |
| Grace Episcopal Church |
| Grace Hospital |
| Grace, John, School |
| Graceland |
| Grace Methodist Episcopal Church |
| Graefe, Henry, House |
| Graham, William H. H., House |
| Grandview, The |
| Granke, Charles, House |
| Grant County Courthouse |
| Gray House, Old |
| Gray-Jewett House |
| Gray, Joseph H., House |
| Grayson, Dr. C. S., House |
| Grays Road Recreation Center |
| Great Egg Coast Guard Station |
| Great Northern Depot |
| Great Southern Hotel and Theatre |
| Greeley Masonic Temple |
| Green, Bertha M. and Marie A., House |
| Greenblatt, Samuel, House |
| Greendale Historic District |
| Green, Herman, House |
| Green, John, House |
| Green Mountain Cottage |
| Green Park Inn |
| Green Pastures |
| Green Spring |
| Green Street School |
| Greenville City Hall |
| Greenwich YMCA |
| Greenwood, Moses, House |
| Greer, George C., House |
| Gregg House |
| Gregory, William J., House |
| Greyfield |
| Greystone |
| Griffith, John, Store Building |
| Griffith-Sowers House |
| Grilk, Charles, House |
| Grimes House |
| Grimm Book Bindery |
| Grindley, Robert M. and Matilda (Kitch), House |
| Grosvenor Gardens Apartments |
| Groton High School |
| Grouselands |
| Grove, Claud D. and Berenice Sinclair Grove House |
| Grubb-Sigmon-Weisiger House |
| Gullberg, Evert, Three-Decker |
| Gunderson, Jos., House |
| Gunnell, William, House |
| Gunston Hall |
| Guntersville Post Office Building |
| Guthard, Charles, House |
| Guthrie Hall |
| Gwyn Careg |
| Haarstick-Whittemore Houses |
| Hadden-Margolis House |
| Hadley-Ludwick House |
| Haines City National Guard Armory, Old |
Data from United States Park Service and Wikidata