This is a list of the National Register of Historic Places listings in Blanco County, Texas.
This is intended to be a complete list of properties and districts listed on the National Register of Historic Places in Blanco County, Texas. There are two district and two individual properties listed on the National Register in the county. One district includes an individual property and a State Antiquities Landmark both of which are Recorded Texas Historic Landmarks. The other district is a National Historic Park and includes another Recorded Texas Historic Landmark.
The locations of National Register properties and districts may be seen in a mapping service provided.