Austin exempts decks up to 200 sq ft, no more than 30 inches above grade, not attached to the dwelling, and not in a flood zone. Larger or higher decks require a building permit. Uncovered patios at grade do not need permits.
Austin's building code exempts small decks that meet all of the following: floor area not greater than 200 square feet, no more than 30 inches above grade at any point, not attached to the dwelling or townhouse, does not provide egress from the dwelling, and is not in a flood hazard area. Decks exceeding any of these criteria require a building permit. Uncovered concrete or paver patios at grade level generally do not require permits. Covered patios (with a roof structure) require a building permit. Deck plans must show structural details including footings, beam spans, joist sizes, and guardrail specifications. Guardrails are required on decks more than 30 inches above grade (36 inches high per IRC). Permit costs for small residential projects like decks typically range from $100 to $300. Plan review fees may add $1,000+ for larger projects.
Building without a permit: stop-work order. May need retroactive permitting or removal of non-compliant work.
Austin, TX
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Austin, TX
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Austin, TX
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Austin, TX
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Austin, TX
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See how Austin's deck & patio permits rules stack up against other locations.
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