Arizona - Criteria: C (architecture/engineering)
| 10 Cottages on Short Street |
| 1931 Tempe Bridge |
| 915 E. Pierce Street/Grand Pyramid House |
| Acadia Ranch |
| Ackel, Salim, House |
| Adams, James P. and Sarah, House |
| Adams School |
| Administration/Science Building |
| Air Force Facility Missile Site 8 (571-7) Military Reservation |
| Albright, Horace M., Training Center |
| Aldea Linda Residential Historic District |
| Allentown Bridge |
| All Saint's Church |
| Ammo Bunker (S-1007) |
| Ammo Bunker (S-1008) |
| Anderson, Arthur Olaf and Helen S., House |
| Anderson, Helen, House |
| Anderson-Johannes House |
| Anderson, Max J., House |
| Anderson, R. L., House |
| Andre Building |
| Angulo-Hostetter House |
| Antelope Hill Highway Bridge |
| Apache Powder Historic Residential District |
| Arballo, Ramon, House |
| Arivaca Schoolhouse |
| Arizona Army National Guard Arsenal |
| Arizona Bank and Trust |
| Arizona Daily Star Building |
| Arizona Hotel |
| Arizona Inn |
| Arizona-Sonora Manufacturing Company Machine Shop |
| Arizona State Capitol Building |
| Arizona State Hospital Building |
| Armory Park Historic Residential District |
| Armour and Jacobson Building |
| Asbury, Cline R. / Riney B. Salmon House |
| Ash Fork Maintenance Camp #1 |
| Ash Fork Steel Dam |
| Ashland Place Historic District |
| Ashurst House |
| Atascosa Lookout House |
| AT & T Building |
| Balsz House |
| Bank Hotel |
| Barfoot Lookout Complex |
| Barrio El Hoyo Historic District |
| Barrio El Membrillo Historic District |
| Barrio Libre |
| Barrio Santa Rosa |
| Bartlett Dam |
| Bauder, Jean and Paul, House |
| Bayless, Earl, House |
| Baylis, Wilbur O./Grasty House |
| B. B. Moeur Activity Building |
| Beadle House No. 11 |
| Bear Mountain Lookout Complex |
| Beaver Creek Ranger Station |
| Benson Railroad Historic District |
| Bethlehem Baptist Church |
| Bien/McNatt House |
| Big House |
| Big Springs Lookout Tower |
| Big Springs Ranger Station |
| Billingsley, Benjamin F., House |
| Bisbee Historic District |
| Bisbee Residential Historic District |
| Black Gap Bridge |
| Black River Bridge |
| Blakeley, William G., House |
| Blakely, Ross H., House |
| Blenman-Elm Historic District |
| Blumberg House |
| Bohn, Louis J. and Lee, Gertrude, House |
| Bonelli House |
| Boomer, Jorgine, House |
| Borden Milk Co. Creamery and Ice Factory |
| Boudreaux-Robison House |
| Boulder Creek Bridge |
| Bowie School District No. 14 |
| Bowman Hotel |
| Bowman, W. G., House |
| Bragg's Pies Building |
| Brannen-Devine House |
| Bray-Valenzuela House |
| Brimhall, Norman, House |
| Brinkmeyer House |
| Brinley Avenue Historic District |
| Briscoe, Benjamin E., House |
| Broadway Bridge |
| 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 |
Data from United States Park Service and Wikidata