List of Recorded Texas Historic Landmarks (Grayson-Hudspeth)
The following is a partial list of Recorded Texas Historic Landmarks arranged by county as designated by the Texas Historical Commission and local county historical commissions in Texas. This page includes RTHLs in the following counties: Grayson, Gregg, Grimes, Guadalupe, Hale, Hall, Hamilton, Hansford, Hardeman, Hardin, Harris, Harrison, Hartley, Haskell, Hays, Hemphill, Henderson, Hidalgo, Hill, Hockley, Hood, Hopkins, Houston, Howard, and Hudspeth.
KEY
Landmarks with multiple historic designations are colored according to their highest designation within the following hierarchy.
| ⁕ Listed individually on the National Register of Historic Places as a National Historic Landmark |
| Listed on the NRHP as a contributing property of a National Historic Landmark District |
| Listed individually on the NRHP |
| Listed as a contributing property of an NRHP Historic District |
| Listed individually as or as part of a State Historic Site |
| Listed individually as or as part of a State Antiquities Landmark |