Texas Porch
Unincorporated Area Rules Practical

Unincorporated Land Needs a County Development Check

A load of fill or a new paved pad can need the same first call as a house. Outside city limits, development means many kinds of work. It includes buildings, fill, grading, paving, digging, drilling, dredging, mining, and storage. Call Environmental Control before work starts.

After you apply, the county sets the building's flood zone and the height needed. A building in an A zone also needs a finished Elevation Certificate. A FEMA map is a good first look, but it does not replace the county check.

A new building with living space needs three checks. They cover the foundation before concrete, the frame and systems before walls, and the finished home. Property inside city limits uses that city's permit route.

Content last revised 2026-07-11

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