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Land Due Diligence in the Texas Hill Country

A practical checklist for buying raw land and acreage tracts across Hays, Blanco, and surrounding Hill Country counties.

Tanner Daves · July 29, 2026 · 5 min read

Serving: Hays County • Blanco County • Texas Hill Country

Hill Country land looks simple from the road. What determines whether a tract works for a homesite, a subdivision, or a long-term hold is usually invisible on a listing photo: water, terrain, access, and the restrictions recorded against the title.

Start with access and easements

Confirm legal, recorded access to a public road — not just a gate and a ranch road that has always been used. Shared driveways, utility easements, and pipeline easements all shape where you can build and how the tract can be divided later.

Water is the deciding factor

Well depth and yield vary sharply across the region, sometimes between neighboring tracts. Ask for well logs, recent yield tests, and the groundwater conservation district that governs the area. Where a public water line is available, confirm capacity and the cost to extend service.

Terrain, floodplain, and buildable area

A 20-acre tract with steep slope, rock, and creek floodplain may offer only a small usable building envelope. Overlay the FEMA floodplain map, review topography, and identify where a home, drive, and septic field can realistically go before you set a value on the land.

  • FEMA flood zone and any creek or drainage crossings
  • Slope and rock coverage across the intended building site
  • Septic suitability and required setbacks
  • Utility distance: electric service, water, and internet

Ag exemption and tax consequences

Many tracts carry an agricultural valuation. Understand what activity maintains it, whether the exemption transfers, and what rollback taxes could apply if you change the use. This single item can shift the annual carrying cost of a property dramatically.

Restrictions and highest and best use

Deed restrictions, subdivision covenants, and county plat rules determine what can be built and how a tract can be split. Reading them early tells you whether your plan is feasible — and whether the asking price reflects what the land can actually do.

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