San Antonio Home Addition Permits 2026
San Antonio home addition permit fees, plan review, and required inspections for 2026.
San Antonio Home Addition permit basics
- Building department: City of San Antonio Development Services
- Department URL: https://www.sa.gov/Directory/Departments/DSD
- Permit fee typical: $400 - $3,500 permit fee
- Plan review + approval: 4-10 business days
- Inspections required: 6-12 inspections (footing, framing, electrical, plumbing, mechanical, insulation, drywall, final)
San Antonio Home Addition common issues
Setback compliance, FAR (floor-area ratio), structural review required, sewer/water capacity may need upgrade.
San Antonio-specific permitting context
San Antonio has no general contractor licensing at the city level. TDLR state license required for HVAC, electrical, plumbing. UDC zoning rules strict in historic districts (King William, Monte Vista).
Climate factors: Hot subtropical; foundation issues common in clay soils; minimal cold-weather concerns
Texas licensing for Home Addition contractors
Texas Department of Licensing and Regulation (TDLR) - for HVAC, electrical, plumbing only; no statewide GC license - no statewide license, but San Antonio likely requires local registration.
Mechanics lien deadline in Texas: 15th day of 4th month after last work (residential); 15th day of 3rd month (commercial). Preliminary notice: Notice to owner required by 15th day of 2nd month after first work for residential.
San Antonio Home Addition sales tax
Texas sales tax: 6.25% + local (~8.2% combined avg, capped at 8.25%). NEW CONSTRUCTION labor exempt. REMODELING and REPAIR labor on real property TAXABLE. Lump-sum vs. separated contracts treated differently.
Verify with the Texas Comptroller of Public Accounts.
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