Arizona - Area of significance: Architecture
| Briscoe, Benjamin E., House |
| Broadmoor Historic District III) |
| Brooks, Paul, House |
| Brophy College Chapel |
| Brown, Duff T., House |
| Brown, Grace and Elliot, House |
| Brown House |
| Brownstetter House |
| Buckhorn Baths Motel |
| Buck Mountain Lookout Tower |
| Buena Vista Hotel |
| Building at 121 North Florence Street |
| Building at 218 Spring |
| Building at 400 East Third Street |
| Building at 826 North Main Street |
| Bullion Plaza School |
| Burmister/Timerhoff House |
| Burton Building |
| Cactus Press-Plaza Paint Building |
| Cady Hall |
| Caldwell, Erskine P., House |
| Camelback 32 |
| Campbell, H. E., House |
| Camp Clover Ranger Station |
| Campus Vista Historic District |
| Canelo Ranger Station |
| Canoa Ranch Headquarters Historic District |
| Canyon Diablo Bridge |
| Carminatti-Perham House |
| Carr, Raymond, House |
| Caruthers House |
| Casa Del Northern |
| Casa Grande Dispatch |
| Casa Grande Hotel |
| Casa Grande National Monument |
| Casa Grande Stone Church |
| Casa Grande Union High School and Gymnasium |
| Casa Juan Paisano |
| Casitas de Castilian Historic District |
| Catalina American Baptist Church |
| Catalina Foothills Estates Apartments |
| Catalina Foothills Estates Job 265 House |
| Catalina Foothills Estates Job No. 399 House |
| Catalina Townhouses Historic District |
| Catalina Vista Historic District |
| Cave Creek Service Station |
| Celora Stoddard/Lon Harmon House |
| Central Creditors Association Building |
| Central School |
| Chandler High School |
| Chapel of the Holy Cross |
| CHARLES H. SPENCER Hulk |
| Cheery Lynn Historic District |
| Chelsea Place Historic District |
| Chiricahua National Monument Historic Designed Landscape |
| Church of the Nazarene |
| Cima Park Fire Guard Station |
| Cisney, George E., House |
| Clarkdale Historic District |
| Clark House |
| Clark, J. M., House |
| Clark Memorial Clubhouse |
| Clear Creek Church |
| Cliffs Ranger Station |
| Clifton Casa Grande Building |
| Clifton Townsite Historic District |
| C & M Garage |
| Coconino County Hospital Complex |
| Coe, H. M., House |
| Colonia Solana Residential Historic District |
| Colton, Albert and Freeman, H. H., House |
| Columbine Work Station |
| Concrete Block House |
| Concrete Block House |
| Congdon, Stephen and Persis Hart Browne, House |
| Connor-Harold House |
| Connor House |
| Converse, Ralph, House |
| Coolidge Dam |
| Copper Bell Bed and Breakfast |
| Copper Creek Guard Station |
| Corcoran, John P. and Helena S., House |
| Cordova House |
| Coronado Hotel |
| Coronado Neighborhood Historic District |
| Country Club Park Historic Subdivision |
| Courthouse Plaza Historic District |
| Cox, William, Building |
| Coyote Range |
| Craig, George C., House |
| Craig Mansion |
| Cranz, Frank F., House |
| Crawford Hill Historic Residential District |
| Cross, T. D., House |
| Crowley House |
| Crown King Ranger Station |
| Cruz Trading Post |
| Curley School |
| Curtis Cottage |
| Date Palm Manor Historic District |
Data from United States Park Service and Wikidata
