National Register of Historic Places listings in Willacy County, Texas
# National Register of Historic Places listings in Willacy County, Texas

This is a list of the National Register of Historic Places listings in Willacy County, Texas.

This is intended to be a complete list of properties and districts listed on the National Register of Historic Places in Willacy County, Texas, United States. The publicly disclosed locations of National Register properties and districts may be seen in a mapping service provided.

There are 4 properties and districts listed on the National Register in the county, including 1 National Historic Landmark.

This National Park Service list is complete through NPS recent listings posted July 21, 2023.

## Current listings

| | Name on the Register | Image | Date listed | Location | City or town | Description |
| - | - | - | - | - | - | - |
| 1 | King Ranch | King Ranch More images | October 15, 1966 (#66000820) | Kingsville and its environs 27°31′07″N 97°55′01″W﻿ / ﻿27.518611°N 97.916944°W﻿ / 27.518611; -97.916944﻿ (King Ranch) | Kingsville | Extends into Kenedy, Kleberg, and Nueces counties |
| 2 | Mansfield Cut Underwater Archeological District | Mansfield Cut Underwater Archeological District More images | January 21, 1974 (#74002083) | Address restricted | Port Isabel | Extends into Kenedy County |
| 3 | Old Lyford High School | Old Lyford High School More images | November 7, 1985 (#85002770) | High School Circle 26°24′37″N 97°47′48″W﻿ / ﻿26.410208°N 97.796736°W﻿ / 26.410208; -97.796736﻿ (Old Lyford High School) | Lyford | Recorded Texas Historic Landmark |
| 4 | Willacy County Courthouse | Willacy County Courthouse | January 17, 2017 (#100000507) | 547 W. Hidalgo Ave. 26°28′57″N 97°47′15″W﻿ / ﻿26.482389°N 97.787609°W﻿ / 26.482389; -97.787609﻿ (Willacy County Courthouse) | Raymondville | Recorded Texas Historic Landmark |
