Oregon - Architect - Whidden and Lewis
| Adams, Charles F., House |
| Arlington Club |
| Ayer-Shea House |
| Bates-Seller House |
| Buehner, Philip, House |
| Chamberlain, George Earle, House |
| Concord Building |
| Failing Office Building |
| Gilbert Building |
| Hamilton Building |
| MacMaster, William and Annie, House |
| Mohawk Building |
| Multnomah County Courthouse |
| New Imperial Hotel |
| Portland City Hall |
| Postal Building |
| Smith, Milton W., House |
| Stevens Building |
| Trevett-Nunn House |
| Whidden-Kerr House and Garden |
| White, Isam, House |
| Wilcox Building |
Data from United States Park Service and Wikidata
