Legalize an existing adu under state program
Addition at 643 Spruce St, San Francisco
SF Department of Building Inspection permit 202507231421: issued Sep 1, 2026 for addition work at 643 Spruce St. legalize an existing adu under state program. building will upgrade existing bedroom windows to comply with code required emergency exiting to rear yard. an upgrade to existing separation wall from garage to code compliant fire rated 1-hr protection.
- Permit number
- 202507231421
- Issued
- Type of work
- Addition
- Status
- Issued
- Reported cost
- $19,500
- ZIP code
- 94118
- City's category
- additions alterations or repairs, 2 family dwelling
- City's status
- issued
- Source
- SF Department of Building Inspection permit data (this record)
Type of work and status are our own standard labels, so permits compare across cities. The city's wording is in the "City's category" and "City's status" rows. We show costs under $100 as not listed, because filers often enter $0 or $1 when the city doesn't require a cost.
All permits at 643 Spruce St, and what's permitted nearby
SF Department of Building Inspection updated its data Oct 2, 2026. We checked it Oct 5, 15:28 UTC. Official data.
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