Compare home addition estimates in San Antonio, TX
Free home addition quotes in San Antonio, Texas. Typical range $43,200 – $134,400.
Low
$43,200
Average
$81,600
High
$134,400
San Antonio crews quote about $145 – $430 per square foot.
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What drives home addition prices in San Antonio
Local labor, permitting and climate move San Antonio prices away from the national average.
Labor market
San Antonio is the most affordable large Texas market for licensed trades.
Permits
City permits required for roofing, structural and mechanical work.
Climate
Heat and expansive soils drive HVAC and foundation spend.
How to compare San Antonio quotes
- Collect three written quotes. Anything under $32,400 usually has scope missing.
- Compare line items — materials, labor, permits, disposal — not just the total.
- Confirm license, insurance and workmanship warranty length before you sign.
- Ask what triggers a change order and how it gets priced.
San Antonio questions
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