Conn, Adrian Edwards, House

Why it's listed
Built of sixteen-inch-wide hand-cut limestone laid in random ashlar, this one-and-a-half-story house in Blanco, Texas, is regarded locally as the oldest structure in the town. It has two main rooms, an attic chamber, a full-width front porch and a narrow rear kitchen. A board-and-batten frame ell, added around the turn of the century, connects through a wide gallery with turned posts. A windmill, tank and cistern remain on the property. Local tradition places construction in the mid-1850s, but county records burned in 1872, so no document confirms it. The house is known to have existed in 1873, when its first recorded occupant sold it to Dr. T. G. Edwards. His family, including Adrian Edwards Conn, lived there until 1960. The house is listed as a typical German pioneer building type found only in the Texas Hill Country, and it was a Recorded Texas Historic Landmark in 1966. The local chamber of commerce later used it as an office.
Significance in brief: The nomination presents it as a typical German pioneer building type found only in the Texas Hill Country. It is recognized as the oldest house in the town of Blanco. Its stone house and wooden ell remain substantially unaltered since construction.
Machine-generated summary. This summary was generated by a language model from the official nomination document and has not been reviewed line by line by an editor. It may contain errors. Check the source document before relying on any detail. Source: nomination document (PDF) · National Archives catalog entry. NRHP reference 71000921, listed November 19, 1971. Summary generated October 2026 (model claude-sonnet-5-5, prompt v1.0-2026-10-29, confidence medium).
Key facts
| Address | Jct. of U.S. 281 and SW boundary of courthouse square, Blanco |
|---|---|
| County | Blanco County |
| Listed | November 19, 1971 |
| Reference number | 71000921 |
| Resource type | Building |
| Period of significance | 19th Century (specific date: before 1872) |
| Architectural style | German pioneer building type of the Texas Hill Country |
| Areas of significance | Architecture |
| Level of significance | Local |
| Status (as stated in the nomination) | Rated in good condition and described as substantially unaltered; occupied and used as the Blanco Chamber of Commerce office (leased). A later note says it was restored in 1972-73, with a new front door, aluminum window frames and asbestos roof shingles added. |
| Acreage | 0.8 |
| Coordinates | 30.09672, -98.42276 (NPS GIS) |
What listing means for this property
National Register listing is honorary for a privately owned home: it does not by itself restrict what an owner may do with their own money, and it does not require public access. Restrictions come from local landmark or historic-district ordinances, which are separate (how they differ).
Owner-occupied houses are not eligible for the 20% federal rehabilitation tax credit, which applies to income-producing buildings, but many states offer credits for homeowners. Listing also opens the door to preservation easements and to buying a plaque. Start with what listing means for homeowners, renovating a listed house and selling one.
General information, not legal or tax advice. Rules change; confirm with your State Historic Preservation Office or a qualified adviser.
Sources and further reading
- National Park Service, National Register of Historic Places database (snapshot May 2026), reference 71000921.
- Nomination form (PDF, National Archives) — catalog entry
- Wikidata Q108073149
- This listing as JSON
Last updated October 2026. Found an error? See the editorial policy for how to report it.