Idaho - Area of significance: Commerce
| A. F. R. Building |
| Ah Toy Garden |
| Assay Office |
| Bank of Juliaetta |
| Bear Lake Market |
| Bohman, Ole, House |
| Boise Historic District |
| Bridwell, James F., House |
| Brookover, J. Gordon and Barbara J., House |
| Browning Block |
| Burgdorf |
| Caldron Linn |
| Caldwell Historic District |
| Celadon Slope Garden |
| Chi-Sandra Garden |
| Co-Op Block and J. N. Ireland Bank |
| Co-op Gas & Supply Company |
| Cornwall, Mason, House |
| Davids' Building |
| Deary Garage |
| East Side Downtown Historic District |
| Enders Hotel |
| Evans, D. L., Sr., Bungalow |
| Farmers and Merchants Bank |
| First Lapwai Bank |
| Fort Boise and Riverside Ferry Sites |
| Fort Hall |
| Foskett, Dr. Wilson, Home and Drugstore |
| Franklin Co-operative Mercantile Institution |
| Fry's Trading Post |
| Genesee Exchange Bank |
| Goodale's Cutoff |
| Hagerman State Bank, Limited |
| Harkness, H. O., Stable Building |
| Hood, John, House |
| Hotel Bovill |
| Hotel Charbonneau |
| Hotel Moscow |
| Hotel Rietmann |
| Idaho Mining and Smelter Company Store |
| Jacobs, Cyrus, House |
| Jewell Building |
| Jones, Jedd, House |
| Kendrick Downtown Historic District |
| Kettenbach, Henry C., House |
| Lake Pend Oreille Lime and Cement Industry Historic District |
| Lander Road |
| Largilliere, Edgar Walter, Sr., House |
| Lewiston Historic District |
| Little, Thomas K., House |
| Logan, Thomas E., House |
| Lower Main Street Commercial Historic District |
| Mays, James Henry and Ida Owen, House |
| McCammon State Bank Building |
| McConnell-McGuire Building |
| Meridian Exchange Bank |
| Moore-Cunningham House |
| Moore, Jim, Place |
| Moscow Downtown Historic District |
| Moss, A. B., Building |
| Nampa City Hall |
| Old China Trail |
| Oneida Milling and Elevator Company Grain Elevator |
| Paris Lumber Company Building |
| Pen d'Oreille City |
| Pocatello Historic District |
| Pocatello Warehouse Historic District |
| Priest River Commercial Core Historic District |
| Purdum Livery Stable |
| Rialto, Hotel, The |
| Riverside Inn |
| Roberts, Morris, Store |
| Rupert Town Square Historic District |
| Sherwood, Joseph, House and Store |
| Shoshone Historic District |
| Shoup Building |
| South Eighth Street Historic District |
| Spirit Lake Historic District |
| Standrod Bank |
| Standrod House |
| Toana Freight Wagon Road Historic District |
| Troy Downtown Historic District |
| Twin Falls Bank and Trust Company Building |
| Twin Falls Downtown Historic District |
| Twin Falls Milling and Elevator Company Warehouse |
| Twin Falls Warehouse Historic District |
| Vollmer Building |
| Werthheimer Building |
Data from United States Park Service and Wikidata
