Oregon - Area of significance: Commerce
| Adams, Charles F., House |
| Adolph, Samuel, House |
| Ahlf, John and Susanna, House |
| Ainsworth, Capt. John C., House |
| Albany Custom Mill |
| Albany Downtown Commercial Historic District |
| Alco Apartments |
| Alderway Building |
| Alphabet Historic District |
| Ambassador Apartments |
| Arlington Hotel |
| Ashland Downtown Historic District |
| Astoria Downtown Historic District |
| Astoria Fire House No. 2 |
| Astor, John Jacob, Hotel |
| Atkinson, W. H., House |
| Auto Freight Transport Building of Oregon and Washington |
| Auto Rest Garage |
| Ax Billy Department Store |
| Ayer-Shea House |
| Bailey and Massingill Store |
| Baker Historic District |
| Balch Hotel |
| Baldwin Hotel |
| Baldwin Market |
| Baldwin, Thomas M., House |
| Ballou & Wright Company Building |
| Bank of California Building |
| Bank of Woodburn |
| Barker, S. B., Building |
| Barnard, Dr. J. W., Building and First National Bank of Joseph |
| Barnes, Frank C., House |
| Bartlett, Robert Rensselaer, House |
| Bates-Seller House |
| Beach, Baldwin, House |
| Beall, Robert Vinton, House |
| Beauchamp Building |
| Beaverton Downtown Historic District |
| Bedell Building |
| Belle Court Apartments |
| Bell Station Store |
| Benedict, Edwin E., House |
| Benson Hotel |
| Benton County State Bank Building |
| Benton Hotel |
| Berg, Charles F., Building |
| Bergman, Joseph, House |
| Berry-Sigler Investment Property |
| Bisbee Hotel |
| Blackaby, James Rowley and Mary J., House |
| Boon Brick Store |
| Boschke-Boyd House |
| Bowman Hotel |
| Brainard, William E., House |
| Breuer Building |
| Brick House Beautiful |
| Broadway Hotel |
| Brown, Charles and Martha, House |
| Burke-Clark House |
| Bush and Brey Block and Annex |
| Bush, Asahel, House |
| Calhoun, George, House |
| Calkins, Windsor W., House |
| Canemah Historic District |
| Carlton State and Savings Bank |
| Carter, E. V., House |
| Carter-Fortmiller House |
| Cary, Leo J., House |
| Chambers, Frank L. and Ida H., House |
| Champoeg State Park Historic Archeological District |
| Chandler Hotel and Annex |
| Chappell-Swedenburg House |
| Clemens, Michael, House |
| Cohn-Sichel House |
| Coke, J. S., Building |
| Cole, David, House |
| Columbia Gorge Hotel |
| Columbia Southern Hotel |
| Commercial Club-Stuckey, S. C., Building |
| Condon Commercial Historic District |
| Conser, Jacob, House |
| Cooley, George C., House |
| Coos Bay National Bank Building |
| Coquille City Hall |
| Corbett Brothers Auto Storage Garage |
| Corbett, H. L. and Gretchen Hoyt, House |
| Cornell, Albert B. and Mary, House |
| Corvallis Hotel |
| Cottage Grove Downtown Commercial Historic District |
| Crater Lake Lodge |
| Cross, Curtis, House |
| Dallas Downtown Historic District |
| Daue, Alexander, House |
| Davis Block |
| Dean’s Beauty Salon and Barber Shop |
| Deidrich Building |
| Dekum, The |
| Despard, Joseph, Cabin Site |
| Digman-Zidell House |
| Dooly, Frank E., House |
Data from United States Park Service and Wikidata
