Understanding Austin zoning codes
Austin, TX · City rule · Reviewed 2026-10-14
SF-1 means large-lot single-family residential zoning; SF-2 means standard-lot single-family zoning; SF-3 means family-residential zoning. These labels identify base districts, not a complete property-specific building answer.
Official source: Zoning Resources and Site RegulationsSource checked 2026-10-14
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More about this rule
The rule in plain language
Austin's zoning codes describe land-use districts. Site standards and combining districts may change which uses and site development rules apply.
Common follow-up questions
What does SF-1 mean?
Large-lot single-family residential district.
What does SF-2 mean?
Standard-lot single-family residential district.
What does SF-3 mean?
Family-residential base district.
What does SF-4A mean?
Single-family residential district for small lots.
What does SF-4B mean?
Single-family residential condominium district.
What does SF-5 mean?
Urban family-residential district.
What does SF-6 mean?
Townhouse and condominium residential district.
What does MF-1 mean?
Multi-family residential district designated as limited density.
What does MF-2 mean?
Multi-family residential district designated as low density.
What does CBD mean?
Central business district.
What does DMU mean?
Downtown mixed-use district.
What does PUD mean?
Planned unit development district.
What does RR mean?
Rural residential district.
What does LA mean?
Lake Austin residential district.
What does CO mean?
Conditional overlay, which modifies or restricts base-district uses and site-development rules.
What does NCCD mean?
Neighborhood conservation combining district, which can modify development rules according to its neighborhood plan.
What to keep in mind
Read the full designation, check the applicable City ordinances, and verify each parcel separately before relying on a design.
Civic education, not legal advice. Rules can change.