Austin, TX Accessory Structures: Shed & Carport Rules (2026)
Shed permit rules in Austin, TX, also referred to as storage shed, backyard shed, or accessory building regulations, set size limits, setbacks, and when a building permit is required.
Key Facts
- Under 120 sq ft
- No permit (no flood zone)
- 120-200 sq ft
- Basic permit needed
- Over 200 sq ft
- Full permit + plan review
- Flood Zone
- Always needs permit
Summary
Austin exempts tool and storage sheds up to 120 square feet from building permits, provided they are not in a flood hazard area and have no plumbing or electrical. Larger sheds require a building permit. All sheds must meet zoning setbacks.
Residential - Building - A one-story detached accessory structure that is no more than 200 square feet (18.58 m2 ) of floor area, no more than 15 feet (4,572 mm) in height, does not create a dwelling, contains no plumbing, and is not located within a flood hazard area. [...] Commercial - Building - One-story detached accessory structures used as tool and storage sheds, playhouses, and similar uses, provided the floor area is not greater than 120 square feet (11 m²); provided they are not located within a flood hazard area. [...] Exemption from the permit requirements of this code does not authorize work to be done in violation of other provisions of the City Code or City requirements.
Full Breakdown
Austin exempts tool and storage sheds with a floor area not greater than 120 square feet from building permit requirements, provided: the shed is not located within a flood hazard area, it has no plumbing or electrical connections, it is a single story, and it meets zoning setback requirements. Sheds over 120 square feet but under 200 square feet require a basic building permit. Sheds over 200 square feet require a full building permit with plan review. All sheds must comply with zoning setbacks, typically 5-10 feet from rear and side property lines depending on the zoning district. Sheds cannot be in required front setbacks. Maximum height for accessory structures varies by zone. If adding electrical or plumbing to any shed, separate trade permits are required regardless of size. The city's online 'Do I Need a Permit?' tool helps determine requirements.
Violations & Fines
Building without a required permit: stop-work order and potential fines.
Frequently Asked Questions
Do I need a permit for a shed in Austin?
How do I know if my property is in a flood zone?
Sources & Official References
Other rules in Austin
How Austin compares: Shed Permit Requirements by City·Texas rules heatmap·Compare Austin to another location·View the Texas accessory structures overview
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Shed & Carport Rules in Nearby Cities
How other cities in Travis County handle shed & carport rules.