Washington - Area of significance: Architecture
| Darrington Ranger Station |
| Daughters of the American Revolution-Rainier Chapter House |
| Davenport Hotel |
| Davidson House |
| Daylight Building |
| Dearborn, Henry H., House |
| Deception Pass State Park-Cornet Bay Fire Circle |
| Deception Pass State Park-Cornet Bay Incinerator |
| Deception Pass State Park-Cranberry Lake Bathing and Picnic Area Historic District |
| Deception Pass State Park-Cranberry Lake Caretaker's Area Historic District |
| Deception Pass State Park-North Beach Picnic Area Historic District |
| Deception Pass State Park-Rosario and Bowman Bathing, Picnic, and Caretaker's Areas Historic District |
| Deep River Pioneer Lutheran Church |
| Deer Lick Cabin |
| De La Mar Apartments |
| Desmet Avenue Warehouse Historic District |
| Desolation Peak Lookout |
| Dexter House No. 1 |
| Dexter House No. 2 |
| Dills, Harrison, House |
| Dixie High School |
| Dodd House |
| Dodger Point Fire Lookout |
| Dodson Building |
| Donald House |
| Donohue, Michael and Myra, House |
| Donovan, J. J., House |
| Dose, Charles P. and Ida, House |
| Dougherty, John and Kate, Farmstead |
| Douglas County Courthouse |
| Downtown Bellingham Historic District |
| Downtown Ellensburg Historic District |
| Downtown Pomeroy Historic District |
| Downtown Waterville Historic District |
| Downtown Wenatchee Historic District |
| Dr. Trueblood House |
| Drum, Henry, House |
| Dungeness School |
| DUWAMISH |
| Dybdall Gristmill |
| Eagle Ranger Station |
| Eagles Auditorium Building |
| Early Winters Ranger Station Work Center |
| East Downtown Historic District |
| Ebenezer Congregational Church |
| Eddy, James G., House and Grounds |
| Edgar Rock Lodge |
| Edith Creek Chlorination House |
| Edwards, Joel, House |
| Ehrenberg, Gus and Florence, House |
| Elbe Evangelical Lutheran Church |
| Eldridge Avenue Historic District |
| Eldridge Building |
| Eldridge Homesite and Mansion |
| Electric Light Works Building |
| Elkhorn Guard Station |
| Elk Lick Lodge |
| Elks Building |
| El Rio Apartment Hotel |
| Elwah Campground Community Kitchen |
| Elwha Ranger Station |
| Emery Farmstead |
| Empire State Building |
| Enchanted Valley Chalet |
| Engine House No. 11 |
| Engine House No. 13 |
| Engine House No. 4 |
| Engine House No. 8 |
| Engine House No. 9 |
| Eng, Jim and Betty, House |
| Erickson, Jonas and Maria Lovisa, Farmstead |
| Everett Carnegie Library |
| Everett City Hall |
| Everett High School |
| Evergreen Mountain Lookout |
| Fairhaven Historic District |
| Fairhaven Library |
| Fairweather-Trevitt House |
| Falls City Masonic Hall |
| Farrell Building |
| Federal Office Building |
| Federal Office Building |
| Federal Reserve Bank of San Francisco, Seattle Branch |
| Ferguson, Florence, House |
| Ferry County Courthouse |
| Ferry, Pierre P., House |
| Fifteen Mile Shelter |
| Finch House |
| Finch, John A., School |
| Fire Alarm Station |
| FIREBOAT NO.1 |
| Fireboat Station |
| Fire Station No. 1 |
| Fire Station No. 10 |
| Fire Station No. 14 |
| Fire Station No. 15 |
| Fire Station No. 18 |
| Fire Station No. 2 |
| Fire Station No. 23 |
| Fire Station No. 25 |
Data from United States Park Service and Wikidata