AustinADU

ADU Rules & Activity in 78757

Analysis of Accessory Dwelling Unit potential in Austin ZIP Code 78757

5
Total ADUs Permitted
5
Built in Last 2 Years
35ft
Max Height Limit

Check Eligibility for a Property in 78757

Recent ADU Permits in 78757

7701 HARDY DR BLDG 21/12/2026

New 2-story SFR - ADU 1 bed 2 bath to rear of existing SFR and new driveway approach

1405 ARCADIA AVE11/14/2025

Total demo of SFR 1432 sq ft circa 1951 and an ADU 264 sq ft circa 1951 ***The building shall not be demolished until after the contractor has fulfilled the neighbor notification requirements outlined in Steps 5 & 6 of the Demolition webpage.***

1405 ARCADIA AVE11/5/2025

Total demo of SFR 1432 sq ft circa 1951 and an ADU 264 sq ft circa 1951 ***The building shall not be demolished until after the contractor has fulfilled the neighbor notification requirements outlined in Steps 5 & 6 of the Demolition webpage.***

2205 PASADENA DR10/30/2025

Total Demo of ADU 896 sqft circa 1954

8414 BRIARWOOD LN10/24/2025

ADU being built on property. 192sqft. Running electrical circuit to power up structure. Adding power and lighting.

Building a Backyard Home in 78757

ZIP code 78757 is seeing increasing interest in Accessory Dwelling Units (ADUs). Under the Austin HOME Initiative, any residential property in 78757 with a lot of at least 2,500 sqft can build:

  • Up to 3 residential units per lot
  • ADUs with no size limit (subject to 40% coverage)
  • Two-story units up to 35 feet tall

Use the search tool above to verify the specific zoning and lot size for any address in 78757.

Learn More About Austin ADUs