Washington - Role: Building
| Masonic Temple-Auburn |
| Masonic Temple Building-Temple Theater |
| Masonic Temple-Hoquiam |
| Mattoon Cabin |
| Matzen, George and Irene, House |
| McAllister, Alexander, House |
| McAlmond House |
| McCabe Building |
| McCauley, H. M., House |
| McCleary, Henry, House |
| McCleary Hotel, Old |
| McCroskey, R. C., House |
| McFadden, O. B., House |
| McGrath Cafe and Hotel-The McGrath |
| McIlvaine Apartments |
| McKinley School |
| McMillen-Dyar House |
| McMillin School |
| McTaggert, Lachlin, House |
| Medical Dental Building |
| Meeker, Ezra, Mansion |
| Meese, Gustav, Building |
| Memorial Building, Whitman College |
| Merrill, R. D., House |
| Metaline Falls School |
| Methodist Epscopal Church of Port Hadlock |
| Meyer, Heye H. and Eva, Farmstead |
| Meyer House |
| Michael's Cabin |
| Mickelson, Ole, Cabin |
| Midway School |
| Miller, Alexander, House |
| Miller Block |
| Miller-Brewer House |
| Miller, George, House |
| Miller, John J., House |
| Mill House |
| Mills Building |
| Milwaukee Road Bunkhouse |
| Mineau, Francis, House |
| Mineral Log Lodge |
| Minkler, Birdsey D., House |
| Moldenhauer, Dr. Hans & Rosaleen, House |
| Montague and McHugh Building |
| Monte Cristo Hotel |
| Montvale Block |
| Moore, Edward B., House |
| Moore, James, House |
| Moore, Miles C., House |
| Moore Theatre and Hotel |
| Morgan, O. L. and Josephine, House |
| Morning Star Baptist Church |
| Morse Hardware Company Building |
| Morse House |
| Morse, Robert I., House |
| Mottman Building |
| Mount Baker Park Improvement Club Clubhouse |
| Mount Baker Theatre |
| Mount Spokane Vista House |
| Mount Zion Baptist Church |
| Mowich Lake Patrol Cabin |
| Mt. Fremont Fire Lookout |
| Mukai Cold Process Fruit Barrelling Plant |
| Mukilteo Light Station |
| Munson, Herbert and Barbara House |
| Murray, Frederick H., House |
| Muzzy-Shine House |
| Narada Falls Comfort Station |
| National Bank of Tacoma |
| National Building |
| National Guard Armory - Olympia |
| Naval Lodge Elks Building |
| Naval Military Hangar-University Shell House |
| Naval Reserve Armory |
| Neely, Sr., Aaron and Sarah, Farm |
| Neighbor-Bennett House |
| Nelson, Albert, Farmstead |
| Nelson, Charles F., House |
| Nelson House |
| Nelson-Parker House |
| Newell, Charles, House |
| New Richmond Hotel |
| New Washington Hotel |
| Nifty Theatre |
| Nihon Go Gakko |
| Nihon Go Gakko |
| Nilsson, Andrew, House |
| Nippon Kan |
| Nisqually Power Substation |
| Nisqually School |
| North Coast Casket Company Building |
| North Creek School |
| Northern Bank and Trust Building |
| Northern Life Tower |
| Northern Pacific Office Building |
| Northern Pacific Railway Depot - Pullman |
| Northern Pacific Railway Passenger Depot |
| Northern Pacific Railway Passenger Depot |
| North Fork Guard Station No. 1142 |
| North Fork Sol Duc Shelter |
Data from United States Park Service and Wikidata
