# National Register of Historic Places listings in Benton County, Washington

This list presents the full set of buildings, structures, objects, sites, or districts designated on the National Register of Historic Places in Benton County, Washington, and offers brief descriptive information about each of them. The National Register recognizes places of national, state, or local historic significance across the United States. Out of over 90,000 National Register sites nationwide, Washington is home to approximately 1,500, and 16 of those are found partially or wholly in Benton County.
This National Park Service list is complete through NPS recent listings posted February 21, 2025.

## Current listings

| | Name on the Register | Image | Date listed | Location | City or town | Description |
| 1 | Benton County Courthouse | Benton County Courthouse | December 12, 1976 (#76001869) | 620 Market Street 46°12′13″N 119°46′14″W﻿ / ﻿46.20349°N 119.77063°W﻿ / 46.20349; -119.77063﻿ (Benton County Courthouse) | Prosser | |
| 2 | J. W. Carey House | J. W. Carey House | December 7, 1989 (#89002096) | 105 West Byron Road, about 1.2 miles (1.9 km) west of Prosser 46°11′52″N 119°47′30″W﻿ / ﻿46.19785°N 119.79168°W﻿ / 46.19785; -119.79168﻿ (J. W. Carey House) | Prosser | |
| 3 | Glade Creek Site | Upload image | October 21, 1977 (#77001330) | Address restricted | Prosser | |
| 4 | Gold Coast Historic District | Gold Coast Historic District More images | March 7, 2005 (#04000315) | Roughly bounded by Willis Street to the north, Davison Avenue and Hunt Avenue to the east, Davison Avenue to the south, and George Washington Way to the west 46°17′52″N 119°16′17″W﻿ / ﻿46.29777°N 119.27152°W﻿ / 46.29777; -119.27152﻿ (Gold Coast Historic District) | Richland | |
| 5 | Hanford B Reactor | Hanford B Reactor More images | April 3, 1992 (#92000245) | About 5.3 miles (8.5 km) northeast of junction of State Route 24 and State Route 240 on the Hanford Site 46°37′49″N 119°38′51″W﻿ / ﻿46.63032°N 119.64738°W﻿ / 46.63032; -119.64738﻿ (Hanford B Reactor) | Richland | Designated a National Historic Landmark August 19, 2008 |
| 6 | Hanford Island Archeological Site | Hanford Island Archeological Site | August 28, 1976 (#76001870) | Address restricted | Richland | |
| 7 | Hanford North Archeological District | Hanford North Archeological District | August 28, 1976 (#76001871) | Address restricted | Richland | |
| 8 | Locke Island Archeological District | Locke Island Archeological District More images | August 28, 1976 (#76001872) | Address restricted | Richland | |
| 9 | Post Office and Federal Office Building | Post Office and Federal Office Building | September 30, 2024 (#100010893) | 825 Jadwin Avenue 46°16′39″N 119°16′31″W﻿ / ﻿46.2776°N 119.2753°W﻿ / 46.2776; -119.2753﻿ (Post Office and Federal Office Building) | Richland | |
| 10 | Rattlesnake Springs Sites | Upload image | May 4, 1976 (#76001873) | Address restricted | Richland | |
| 11 | Ryegrass Archeological District | Upload image | January 31, 1976 (#76001874) | Address restricted | Richland | |
| 12 | Snively Canyon Archeological District | Upload image | August 28, 1976 (#76001875) | Address restricted | Richland | |
| 13 | Telegraph Island Petroglyphs | Telegraph Island Petroglyphs | March 10, 1975 (#75001840) | Address restricted | Paterson | |
| 14 | Tri-Cities Archaeological District | Tri-Cities Archaeological District More images | October 29, 1984 (#84000468) | Address restricted | Kennewick | |
| 15 | U.S. Post Office – Prosser Main | U.S. Post Office – Prosser Main | August 7, 1991 (#91000653) | 1103 Meade Avenue 46°12′15″N 119°46′14″W﻿ / ﻿46.2042°N 119.77043°W﻿ / 46.2042; -119.77043﻿ (U.S. Post Office – Prosser Main) | Prosser | |
| 16 | Wooded Island Archeological District | Upload image | July 19, 1976 (#76001876) | Address restricted | Richland | |

## Former listings

| | Name on the Register | Image | Date listed | Date removed | Location | City or town | Description |
| 1 | Prosser Steel Bridge | Upload image | July 16, 1982 (#82004195) | July 16, 1990 | Across Yakima River, on Grant Avenue 46°12′49″N 119°46′09″W﻿ / ﻿46.21366°N 119.7692°W﻿ / 46.21366; -119.7692﻿ (Prosser Steel Bridge) | Prosser | Replaced with a modern bridge in 1986. |