| Anderson House and Store | Salado | Building | 1983 |
| Armstrong-Adams House | Salado | Building | 1983 |
| Austin, F. K. and Mary, House | Belton | Building | 1990 |
| Baggett, Ele, House | Belton | Building | 1990 |
| Baggett, Silas and Ellen, House | Belton | Building | 1990 |
| Baines, George Washington, House | Salado | Building | 1983 |
| Barbee-Berry Mercantile Building | Salado | Building | 1984 |
| Barclay-Bryan House | Temple | Building | 1984 |
| Bartlett Commercial Historic District | Bartlett | District | 1980 |
| Barton House | Salado | Building | 1983 |
| Baylor Female College Historic District | Belton | Building | 1990 |
| Beamer, William, House | Belton | Building | 1990 |
| Bell County Courthouse | Belton | Building | 1976 |
| Belton Academy | Belton | Building | 1990 |
| Belton Commercial Historic District | Belton | District | 1990 |
| Belton Farmers' Gin Coop | Belton | Building | 1990 |
| Belton Standpipe | Belton | Structure | 1990 |
| Belton Yarn Mill | Belton | Building | 1990 |
| Birdwell, T. Hamp and Beulah, House | Belton | Building | 1990 |
| Burford, R. F. and Lena, House | Belton | Building | 1990 |
| Carnegie Public Library | Belton | Building | 1985 |
| Cornelison House | Belton | Building | 1990 |
| Davis House | Salado | Building | 1983 |
| Elliott, Joel, House | Belton | Building | 1990 |
| Ferguson House | Temple | Building | 1978 |
| Ferguson, James A., House | Belton | Building | 1990 |
| Ferguson, James E. and Miriam, House | Belton | Building | 1990 |
| First Christian Church Parsonage | Belton | Building | 1990 |
| Fowler House | Salado | Building | 1983 |
| Frazier, Dr. Jacob Moore, House | Belton | Building | 1990 |
| Gault Archaeological Site | Florence | Site | 2018 |
| Gray Rental Houses | Belton | Building | 1990 |
| Halley, Capt. Robert, House | Salado | Building | 1983 |
| Hammersmith, John P., House | Belton | Building | 1990 |
| Harris, Capt. Andrew Jackson, House | Belton | Building | 1990 |
| Hendrickson-Caskey House | Salado | Building | 1995 |
| High View | Killeen | District | 2020 |
| House at 402 N. East St. | Belton | Building | 1990 |
| House at 730 N. Beal St. | Belton | Building | 1990 |
| Hudson, Dr. Taylor, House | Belton | Building | 1990 |
| James House | Belton | Building | 1990 |
| Killeen Downtown Historic District | Killeen | District | 2014 |
| Killeen High School | Killeen | Building | 2015 |
| Kinchion, L. B., House | Belton | Building | 1990 |
| Kyle Hotel | Temple | Building | 1993 |
| Lee, Walter J., House | Belton | Building | 1990 |
| McWhirter, George and Martha, House | Belton | Building | 1990 |
| Means, V. R., House | Belton | Building | 1990 |
| Miller-Curtis House | Belton | Building | 1983 |
| Miller, J. Z., House | Belton | Building | 1990 |
| Missouri, Kansas & Texas Railroad Bridge at the Leon River | Belton | Structure | 1990 |
| Missouri, Kansas and Texas (MK&T-Katy) Railway Passenger Depot | Temple | Building | 2022 |
| Morey House | Belton | Building | 1990 |
| Mount Zion United Methodist Church | Belton | Building | 1990 |
| Naismith, Robert, House | Belton | Building | 1990 |
| Norton-Orgain House | Salado | Building | 1992 |
| Old St. Luke's Episcopal Church | Belton | Building | 1974 |
| Potts, Arthur, House | Belton | Building | 1990 |
| Robertson, Col. Elijah Sterling Clack, Plantation | Salado | Building | 1983 |
| Rose, Maj. A. J., House | Salado | Building | 1978 |
| Salado College Archeological Site | Salado | Site | 1985 |
| Salado United Methodist Chruch | Salado | Building | 1984 |
| Stagecoach Inn | Salado | Building | 1983 |
| Stagecoach Inn (Boundary Increase) | Salado | District | 2017 |
| State Highway 53 Bridge at the Leon River | Belton | Structure | 1996 |
| Temple Commercial Historic District | Temple | District | 2005 |
| Tenney, Levi, House | Salado | Building | 1983 |
| Twelve Oaks | Salado | Building | 1983 |
| Tyler House | Salado | Building | 1983 |
| Venable, W. J., House | Belton | Building | 1990 |
| Vickrey House | Salado | Building | 1983 |
| Ware, H. A. and Helena, House | Belton | Building | 1990 |
| White-Aiken House | Salado | Building | 1983 |
| Wilson, Ralph, Sr., and Sunny, House | Temple | Building | 1998 |
Baines, George Washington, House Salado · Building · listed 1983 
Bartlett Commercial Historic District Bartlett · District · listed 1980 
Barton House Salado · Building · listed 1983 
Bell County Courthouse Belton · Building · listed 1976 
First Christian Church Parsonage Belton · Building · listed 1990 
Means, V. R., House Belton · Building · listed 1990 
Mount Zion United Methodist Church Belton · Building · listed 1990 
Norton-Orgain House Salado · Building · listed 1992 
Old St. Luke's Episcopal Church Belton · Building · listed 1974 
Robertson, Col. Elijah Sterling Clack, Plantation Salado · Building · listed 1983