Can you build a duplex in San Francisco, CA?
The source set does not provide enough district-by-district use and density detail to determine where small multifamily is permitted versus conditional or constrained. Parcel-level zoning and applicable control tables must be reviewed.
Confidence: low · Last researched May 2026
Related questions
Are ADUs allowed in San Francisco, CA?
San Francisco's ADU program is available citywide in all zoning districts that permit residential use.
What zoning districts are in San Francisco, CA?
San Francisco, CA includes districts such as RH (Residential, House) Districts.
Have there been recent zoning changes in San Francisco, CA?
The source set indicates that San Francisco's Planning Code is current through 2026 S-95 and that the City has updated its planning approval process. The ADU program materials also reference multiple ordinance amendments through 2024, showing continued recent legislative activity affecting residential infill and unit c…
Full investor analysis
The full San Francisco, CA report breaks down duplex and 2–4 unit feasibility by district, the approval path, and the density/dimensional limits that decide whether the numbers work. First town report is free.
Get the full San Francisco, CA report free →More about San Francisco, CA zoning
- Can you build an ADU in San Francisco, CA?→
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- Is mixed-use development allowed in San Francisco, CA?→
This summary is AI-generated from public municipal sources and is not legal, engineering, or land-use advice. Always verify zoning with San Francisco, CA officials before making decisions.
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