Denton County, TX Swimming Pools & Spas: Pool Permits (2026)

Unincorporated Denton County does not have a building permit requirement for residential swimming pool construction. Texas counties generally lack building code authority outside of septic systems and floodplain management. A homeowner building a pool in unincorporated Denton County does not need a county construction permit, pool barrier inspection, or electrical inspection. However, several practical considerations apply. If the pool is in a FEMA-designated floodplain (common along Elm Fork, Lewisville Lake, and Clear Creek areas), floodplain development permits from Denton County may apply. If the pool significantly increases water discharge to the septic system through backwash or drainage, an OSSF evaluation may be needed. Electrical work should comply with the National Electrical Code for safety even though no county inspection is required. HOA deed restrictions commonly require architectural review committee approval before pool construction and may mandate barrier fencing, setbacks, and screening. Cities within Denton County require full pool permits with inspections. Public and semi-public pools (HOA community pools, apartment pools) must meet DSHS standards under TX HSC Chapter 341 regardless of location.