Maryland - Role: Building
| Elkton Armory |
| Ellerslie |
| Ellicott City Station |
| Elliot-Bester House |
| Elmonte |
| Elmwood |
| Embert, John, Farm |
| Emerson Bromo-Seltzer Tower |
| Engine House No. 6 |
| Engine House No. 8 |
| England, Isaac, House |
| Englar-Scweigart-Rinehart Farm |
| Enniscorthy |
| Epiphany Chapel and Church House |
| Equitable Gas Works |
| Erb, Christopher, House |
| Erlanger Buildings |
| Evergreen |
| Evergreen |
| Evergreen House |
| Evergreen on the Falls |
| Exchange, The |
| Exeter |
| Eyler, John, Farmstead |
| Fairlee Manor Camp House |
| Fair Meadows |
| Farm Content |
| Fassitt House |
| Fat Oxen |
| Faust Brothers Building |
| Federal Office Building |
| Federal Reserve Bank of Richmond, Baltimore Branch |
| Female Seminary |
| Fiery, Joseph, House |
| Fifth Regiment Armory |
| First Avenue School |
| First Baptist Church |
| First Church of Christ, Scientist |
| First Presbyterian Church and Manse |
| First Unitarian Church |
| Flag House |
| Fletcher, K. B., Mill |
| Footer's Dye Works |
| Forest View |
| Fort Garrison |
| Franklin Street Presbyterian Church and Parsonage |
| Frank, L., & Son Building |
| Frederick Armory |
| Freetown Rosenwald School |
| Friendship |
| Friendship Hall |
| Friendship United Methodist Church, Old |
| Friendship Valley Farm |
| Frizzell, Andrew P., House and Farm Complex |
| Fuller-Baker Log House |
| Funk, Jacob M., Farm |
| Gaithersburg B & O Railroad Station and Freight Shed |
| Gallagher Mansion and Outbuilding |
| Gambrill House |
| Gandy Belting Company Building |
| Garden Hill |
| Garrett Building |
| Garrett County Courthouse |
| Geeting Farm |
| Genesar |
| Gillis-Grier House |
| Gladden Farm |
| Glamorgan |
| Glasgow |
| Glebe House |
| Glencoe |
| Glenelg Manor |
| Glenn L. Martin Company Plant No. 2 |
| Glen Oak Hotel |
| Glenview Farm |
| Gobbler Hill |
| Godlington Manor |
| Goldsborough House |
| Gompers School |
| Good-Hartle Farm |
| Goodloe, Don S. S., House |
| Good-Reilly House |
| Grace Episcopal Church |
| Grace Episcopal Church Complex |
| Graceham Moravian Church And Parsonage |
| Grace-Hampden Methodist Episcopal Church |
| Graham-Crocker House |
| Grahame House |
| Grassland |
| Gray Gables |
| Graystone Lodge |
| Great House |
| Greenfields |
| Green's Inheritance |
| Gresham |
| Grey Rock Mansion |
| Grief, L. and Bro., Inc. Manufactory |
| Griffith House |
| Grossnickel, Peter of P., Farm |
| Guilford |
Data from United States Park Service and Wikidata
