Installation of a new two way communication signal system in a 100% affordable housing project with priorty
Addition at 421 Leavenworth St, San Francisco
SF Department of Building Inspection permit 202509054721: issued Jun 5, 2026 for addition work at 421 Leavenworth St. installation of a new two way communication signal system in a 100% affordable housing project with priorty permit processing under mayor's executive directive ed 13-01. ref pa# 202305057244.
- Permit number
- 202509054721
- Issued
- Type of work
- Addition
- Status
- Finished
- Reported cost
- $13,587
- ZIP code
- 94102
- City's category
- additions alterations or repairs, apartments
- City's status
- complete
- 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 421 Leavenworth St, and what's permitted nearby
SF Department of Building Inspection updated its data Oct 2, 2026. We checked it Oct 5, 16:05 UTC. Official data.
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