ADU Rules in Austin, Texas

Accessory dwelling unit eligibility for properties in Austin

329,356

Properties in Database

39,941

Avg Lot Size (sqft)

ZIP Codes

About ADUs in Austin

Austin's HOME Initiative (Housing Options for Middle-Income Empowerment) dramatically expanded ADU opportunities in 2023-2025. Key changes include:

Up to 3 units allowed on single-family lots
No parking requirements for ADUs
ADUs can be up to 2 stories (35 ft)
No maximum ADU size (just 40% building coverage)

ZIP Codes in Austin

78450 78613 78616 78617 78620 78628 78636 78637 78640 78641 78644 78653 78664 78681 78701 78702 78703 78704 78705 78708+72 more

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