Quick answer
What an ADU is and whether it’s allowed on your San Antonio lot — Unified Development Code zoning, lot size, setbacks, and owner-occupancy rules.
What this guide covers
- ADU definition
- Unified Development Code / zoning
- Lot size and setbacks
- Owner-occupancy
Why this matters in San Antonio
Most San Antonio homeowners hit the same friction when planning a remodel: too many decisions, too many contractors, and a price that drifts upward once the work begins. The single biggest fix is a design-build process — one team owning design, materials, and construction under one contract. That’s the model we’ve used at SA Remodel Pros for more than 26 years across 2,000+ projects.
What we recommend
If you’re researching this question, the next step is usually a 20-minute conversation with a project coordinator. We can tell you whether your project is straightforward, complex, or something that needs structural input before any design work begins. There’s no commitment.
Things homeowners ask first
Are ADUs legal in San Antonio? — Allowed under zoning rules depending on lot size, setbacks, and use.
Can I rent out my ADU? — Often yes, subject to zoning and owner-occupancy rules.
Related service
This guide pairs with our ADUs & guest casitas service page, where you’ll find scope, pricing, and project gallery for the related work.
Related reading
For a deeper dive, see our guide on Backyard Casita Cost Guide for San Antonio — it covers the next set of decisions homeowners weigh on a project like this.
