Zoning Report
Austin, TX Zoning
Austin regulates land use through Title 25 of its Land Development Code, with zoning districts, overlay tools, design standards, and project-level review processes administered largely through the Planning Department and Development Services. The source set confirms a layered system: base zoning, special district rules, overlay and floodplain controls, site plan review, and Board of Adjustment relief for variances and appeals. The materials also show that Austin remains highly procedural, with many projects requiring coordinated review across departments even when approvals are administrative.
Last researched May 2026
Zoning Districts in Austin, TX
SF-1
Single-family residential district referenced in the city's ADU guidance as one of the base districts where an additional dwelling unit may be allowed if other standards are met.
Allowed uses: single-family residential, additional dwelling unit, if minimum requirements are met
SF-2
Single-family residential district referenced in city ADU guidance as eligible for additional dwelling units subject to lot size and other development standards.
Allowed uses: single-family residential, additional dwelling unit, if minimum requirements are met
SF-3
Single-family residential district referenced in city ADU guidance and in recent rezoning cases. It is one of the principal residential districts in the source set.
Allowed uses: single-family residential, additional dwelling unit, if minimum requirements are met
LA (Lake Austin District)
A district with special shoreline, lot width, slope, and impervious cover controls intended to regulate development along Lake Austin.
Allowed uses: Uses not comprehensively listed in provided source excerpt, Limited structures in shoreline setback area such as bulkhead, retaining wall, fence, dock, public boat ramp, non-mechanized pedestrian access facility, marina, and on-site sewage facility subject to applicable regulations
Downtown Design area / Downtown-related districts
Downtown development is subject to additional design-oriented district rules, including a maximum setback requirement within the cited downtown design subpart.
Allowed uses: Not comprehensively established from the provided source set
Recent Zoning Changes
The source set confirms Austin's code was updated online through Supplement 173, codified through Ordinance No. 20260226-050 and effective March 9, 2026. The Planning Commission materials also show active 2025-2026 code and rezoning work, including a 2025 zoning sign posting update draft ordinance and multiple neighborhood plan amendment and rezoning cases.
Setbacks, Lot Size & Height Limits in Austin, TX
Only limited dimensional standards were captured in the source set. Confirmed standards include ADU lot eligibility thresholds and several Lake Austin district shoreline, width, and impervious cover rules. Citywide setback, height, FAR, lot coverage, and density standards for most base districts were not included in the research excerpts.
| District | Standard | Requirement |
|---|---|---|
| SF-1 / SF-2 / SF-3 | minimum lot area for ADU eligibility | 5,750 square feet or greater — From city ADU guidance; applies to whether an ADU may be built under the guidance page. |
| LA (Lake Austin District) | shoreline setback | 75 feet — General shoreline setback in LA district. |
| LA (Lake Austin District) | shoreline setback on certain older or exempt tracts | 25 feet — Applies if the lot is in a subdivision plat recorded before April 22, 1982 or is a legal tract exempt from platting, and the distance between shoreline and front lot line or legal tract property line is 200 feet or less. |
| LA (Lake Austin District) | minimum chord width at front lot line for certain cul-de-sac lots | 33 feet — Applies to certain lots in subdivision plats recorded after April 22, 1982 or exempt tracts. |
| LA (Lake Austin District) | minimum width at front yard setback line for certain cul-de-sac lots | 60 feet — Applies to certain lots in subdivision plats recorded after April 22, 1982 or exempt tracts. |
| LA (Lake Austin District) | minimum width at points 100 feet or more behind front lot line for certain cul-de-sac lots | 100 feet — Applies to certain lots in subdivision plats recorded after April 22, 1982 or exempt tracts. |
| LA (Lake Austin District) | maximum impervious cover on slope with gradient of 25 percent or less for certain post-1982 platted lots | 20 percent — From excerpted LA district regulations. |
| LA (Lake Austin District) | maximum impervious cover on slope with gradient of more than 25 percent and not more than 35 percent for certain post-1982 platted lots | 10 percent — From excerpted LA district regulations. |
| LA (Lake Austin District) | maximum impervious cover if transferred under Subsection (D) | 30 percent — From excerpted LA district regulations. |
| LA (Lake Austin District) | maximum impervious cover on slope with gradient of 15 percent or less for certain pre-1982 platted lots or unplatted tracts | 35 percent — From excerpted LA district regulations. |
| LA (Lake Austin District) | maximum impervious cover on slope with gradient of more than 15 percent and not more than 25 percent for certain pre-1982 platted lots or unplatted tracts | 10 percent — From excerpted LA district regulations. |
| LA (Lake Austin District) | maximum impervious cover on slope with gradient of more than 25 percent | 5 percent — The excerpt cuts off mid-sentence, but clearly shows a 5 percent cap for this slope category. |
ADU, Rental & Special Use Rules in Austin, TX
ADU
Austin allows an additional dwelling unit on certain single-family residential lots if minimum zoning and lot standards are met.
- Property must be zoned SF-1, SF-2, or SF-3
- Minimum lot area must be 5,750 square feet or greater
- Required ADU size depends on zoning district and geographic location within the city
- There is no longer a minimum distance required between units by zoning regulations, but applicable technical codes still apply
- Each new dwelling unit requires a unique address or building number before permit submittal
ADU as short-term rental
An ADU may be used as a short-term rental only under specific conditions, and newer ADUs face a strong cap on STR use.
- If constructed after October 1, 2015, the ADU may not be used as a short-term rental for more than 30 days in a calendar year
- A Certificate of Occupancy for the ADU must be submitted with the short-term rental license application
Overlay Districts in Austin, TX
Neighborhood Conservation Combining Districts (NCCD)
A neighborhood-specific zoning tool referenced by Austin Planning with ordinance charts and maps for areas such as North Hyde Park, Hyde Park, North University, East 11th and 12th Street, and Fairview Park.
University Neighborhood Overlay (UNO)
An overlay referenced on the Austin Planning zoning resources page for the university area.
Floodplain regulation area
Austin regulates development in the 25-year and 100-year floodplains, and current regulatory mapping is based on the current FEMA 500-year floodplain pending updated studies.
Downtown Design
A downtown design subpart within the zoning code that imposes additional district requirements, including a maximum setback requirement.
Austin, TX Zoning FAQ
Are ADUs allowed in Austin, TX?
Austin allows an additional dwelling unit on certain single-family residential lots if minimum zoning and lot standards are met.
Are short-term rentals allowed in Austin, TX?
An ADU may be used as a short-term rental only under specific conditions, and newer ADUs face a strong cap on STR use.
What are the setback requirements in Austin, TX?
Setbacks vary by district. Examples — LA (Lake Austin District): 75 feet; LA (Lake Austin District): 25 feet; LA (Lake Austin District): 60 feet. Always confirm the exact yard requirements for your district with Austin, TX.
What is the minimum lot size in Austin, TX?
Minimum lot size depends on the zoning district — SF-1 / SF-2 / SF-3: 5,750 square feet or greater.
What zoning districts are in Austin, TX?
Austin, TX includes districts such as SF-1, SF-2, SF-3, LA (Lake Austin District), Downtown Design area / Downtown-related districts.
Are there flood zones or overlay districts in Austin, TX?
Environmental constraints are significant in Austin based on the provided sources. Floodplain regulation is a major citywide constraint, and the site plan process explicitly includes floodplain, drainage, water quality, erosion control, and heritage tree review.
Have there been recent zoning changes in Austin, TX?
The source set confirms Austin's code was updated online through Supplement 173, codified through Ordinance No. 20260226-050 and effective March 9, 2026. The Planning Commission materials also show active 2025-2026 code and rezoning work, including a 2025 zoning sign posting update draft ordinance and multiple neighbor…
Common questions about Austin, TX zoning
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Deal-fit, approval path & risk flags for Austin, TX
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- Code of Ordinances | Austin, TX | Municode Library — Confirmed code currency, supplement number, and that Title 25 is the operative land development framework.
- Zoning Resources & Site Regulations | Austin Planning | AustinTexas.gov — Identified design standards, mixed-use framework, NCCD references, UNO reference, and site regulation topics.
- Additional Dwelling Units | Austin Development Services | AustinTexas.gov — Primary source for ADU eligibility, minimum lot area, unit spacing note, addressing, fire separation, and short-term rental limitations.
- Site Plans, Exemptions, and Corrections | Austin Development Services | AustinTexas.gov — Primary source for site plan purpose, review scope, required departmental coordination, and administrative versus Land Use Commission approval.
- ARTICLE 7. - APPEALS, VARIANCES, SPECIAL EXCEPTIONS, AND ADJUSTMENTS. | Code of Ordinances | Austin, TX | Municode Library — Provided appeal standing, filing deadlines, and required notice contents for administrative and board appeals.
- Board of Adjustment | AustinTexas.gov — Confirmed Board of Adjustment jurisdiction over variances and zoning-related administrative appeals, plus meeting cadence.
- Floodplain Management | Austin Watershed Protection | AustinTexas.gov — Primary source for floodplain extent, regulatory floodplain mapping, development restrictions, and drainage easement limitations.
- ARTICLE 3. - ADDITIONAL REQUIREMENTS FOR CERTAIN DISTRICTS. | Code of Ordinances | Austin, TX | Municode Library — Provided excerpted Lake Austin district regulations including shoreline setbacks, lot width, and impervious cover limits; also confirmed downtown design subpart exists.
- Meetings of the Planning Commission - Page 1 | AustinTexas.gov — Confirmed active 2026 Planning Commission agenda items, including rezonings, plan amendments, and zoning sign posting updates.
- Approved Minutes | Planning Commission — Provided concrete examples of postponements and recommendations on 2026 rezoning and plan amendment cases.
- Report finds slashed site plan review times, with further improvements on tap - Austin Monitor — Secondary source used cautiously for context on recent site plan review timing improvements.
This summary is AI-generated from public municipal sources and is not legal, engineering, or land-use advice. Always verify zoning with Austin, TX officials before making decisions.