All - Constructed - 1900–1909
| Garfield County Courthouse |
| Garfield House |
| Garfield Township Hall |
| Garrett House |
| Garrett Whiteside Hall |
| Garver Brothers Store |
| Gas Creek School |
| Gaston Chapel |
| Gatesville Bridge |
| Gatignole, Eugenio, House |
| Geary Theatre |
| Gebo Barn |
| Gebo, Henry, House |
| Geist, John, and Sons, Blacksmith Shop and House |
| General Cigar Company |
| General Electric Research Laboratory |
| George, Edwin S., Building |
| Georgetown Central School |
| Georgian Court |
| Germantown Junction Station |
| Gertenslager Carriage and Wagon Company |
| Gesler, Edward R., House |
| Ghent Historic District |
| Gibbs, William and Caroline, House |
| Gila Cliff Dwellings National Monument |
| Gilbert, John and Flora, House |
| Gilbert Mansion |
| Gillen, Frank E. and Emma A., House |
| Gillespie Building |
| Gillette House |
| Gillis Orphans' Home |
| Gilmore, Eugene A., House |
| Gilruth, A. C., House |
| Ginacci House |
| Girard Carnegie Library |
| Girard High School |
| Glade-Donald House |
| Gladstone and Hawarden Apartment Buildings |
| Gladstone Houses |
| Glamorgan |
| Glass, Carter, House |
| Glendale Woman's Club Clubhouse |
| Glen Raven |
| Glidden House |
| Glidden State Bank |
| Globe Hotel, The |
| Goddard, Robert H., House |
| Goff, William I. and Magdalen M., House |
| Golden Sheaf Bakery |
| Goodman Brothers and Hinlein Company |
| Good Pine Lumber Company Building |
| Good Spring Baptist Church and Cemetery |
| Goodwillie-Allen House |
| Goshen Carnegie Public Library |
| Gothic Building, The |
| Governor's Mansion |
| Grace Episcopal Church |
| Grace Methodist Church Complex |
| Graff, George and Bertha, House |
| Grain and Lumber Exchange Building |
| Grand Canyon Railway |
| Grande Ballroom |
| Grand Island Carnegie Library |
| Grand Trunk Railway Station |
| Grand Trunk Western Rail Station/Lansing Depot |
| Grand View Drive |
| Granite LDS Ward Chapel-Avard Fairbanks Studio |
| Grant County Courthouse |
| Graves Hotel |
| Graves Light Station |
| Graydon House |
| Gray, Levins D., House |
| Graymont School |
| Grays River Covered Bridge |
| Great Northern Depot |
| Great Northern Passenger Depot |
| Grecian Shelter |
| Green, August G. and Theresa, House |
| Green Bridge |
| Greene, Thomas A., Memorial Museum |
| Green Hall, University of Kansas |
| Green Lantern Saloon |
| Greenlaw House |
| Greensburg Carnegie Public Library |
| Greens Ledge Lighthouse |
| Greenwood Cemetery Chapel |
| Greenwood Memorial United Methodist Church |
| Greer County Courthouse |
| Grenola Mill and Elevator |
| Greyfield |
| Greyledge |
| Grey, Zane, House (Boundary Increase) |
| Griffin's Bakery |
| Grim Building |
| Grove-Linden-St. John's Historic District |
| Grow, Caroline, House |
| Guadalupe County Courthouse in Santa Rosa |
| Guard Island Lighthouse |
| Gulfport Casino |
| Gullberg, Evert, Three-Decker |
Data from United States Park Service and Wikidata
