Do I need a permit?
San Antonio, TX · City rule · Reviewed 2026-09-26
San Antonio requires permits for common work including re-roofing, a new fence or replacement of more than 25% of a fence, foundation work, and most plumbing, electrical, or mechanical installations.
Official source: Home Remodeling FAQSource checked 2026-09-26
Choose your project
What are you planning to build or change?
Pick a project for the closest reviewed answer. “Not yet researched” means exactly that—not that a permit is unnecessary.
Do I need a permit to add an accessory dwelling unit (ADU)?Not yet researched
We do not have a reviewed project-specific answer for this in San Antonio, TX yet.
That does not mean no permit is required. Use the official source below or ask the city before starting work.
Do I need a permit to build or replace a driveway?Not yet researched
We do not have a reviewed project-specific answer for this in San Antonio, TX yet.
That does not mean no permit is required. Use the official source below or ask the city before starting work.
Do I need a permit to remodel a kitchen?Usually no permit
The reviewed source marks the related example below as “usually no permit.” Read its exact scope before relying on it.
- Installing cabinets
- Installing countertops
- Installing flooring
Do I need a permit to remodel a bathroom?Permit required
The reviewed source marks the related example below as “permit required.” Read its exact scope before relying on it.
- Most plumbing installations
Do I need a permit to build a home addition?Not yet researched
We do not have a reviewed project-specific answer for this in San Antonio, TX yet.
That does not mean no permit is required. Use the official source below or ask the city before starting work.
Do I need a permit to convert a garage?Not yet researched
We do not have a reviewed project-specific answer for this in San Antonio, TX yet.
That does not mean no permit is required. Use the official source below or ask the city before starting work.
Do I need a permit to build or replace a fence?Permit required
The reviewed source marks the related example below as “permit required.” Read its exact scope before relying on it.
- A new fence
- Replacing more than 25% of an existing fence
Do I need a permit to build a shed or playhouse?Usually no permit
The reviewed source marks the related example below as “usually no permit.” Read its exact scope before relying on it.
- A detached tool or storage shed under 300 square feetZoning and setback rules still apply.
Do I need a permit to build a deck?Not yet researched
We do not have a reviewed project-specific answer for this in San Antonio, TX yet.
That does not mean no permit is required. Use the official source below or ask the city before starting work.
Do I need a permit to build a patio cover?Not yet researched
We do not have a reviewed project-specific answer for this in San Antonio, TX yet.
That does not mean no permit is required. Use the official source below or ask the city before starting work.
Do I need a permit to repair or replace a roof?Permit required
The reviewed source marks the related example below as “permit required.” Read its exact scope before relying on it.
- Re-roofing
Do I need a permit to replace windows or doors?Usually no permit
The reviewed source marks the related example below as “usually no permit.” Read its exact scope before relying on it.
- Replacing broken window glass
Do I need a permit to add or change electrical work?Permit required
The reviewed source marks the related example below as “permit required.” Read its exact scope before relying on it.
- Most electrical installations
Do I need a permit to add or change plumbing?Permit required
The reviewed source marks the related example below as “permit required.” Read its exact scope before relying on it.
- Most plumbing installations
Do I need a permit to install or replace HVAC?Permit required
The reviewed source marks the related example below as “permit required.” Read its exact scope before relying on it.
- Most mechanical or HVAC installations
Do I need a permit to repair a foundation?Permit required
The reviewed source marks the related example below as “permit required.” Read its exact scope before relying on it.
- Foundation work
Do I need a permit to build a retaining wall?Not yet researched
We do not have a reviewed project-specific answer for this in San Antonio, TX yet.
That does not mean no permit is required. Use the official source below or ask the city before starting work.
Do I need a permit to install solar panels?Not yet researched
We do not have a reviewed project-specific answer for this in San Antonio, TX yet.
That does not mean no permit is required. Use the official source below or ask the city before starting work.
Do I need a permit to install a pool or spa?Not yet researched
We do not have a reviewed project-specific answer for this in San Antonio, TX yet.
That does not mean no permit is required. Use the official source below or ask the city before starting work.
Do I need a permit to demolish a structure?Not yet researched
We do not have a reviewed project-specific answer for this in San Antonio, TX yet.
That does not mean no permit is required. Use the official source below or ask the city before starting work.
No matching project yet. Try a broader term or check the official source below.
More about this rule
Civic education, not legal advice. Rules can change.