Permit Record

Alteration Residential

501 Guerrero St, San Francisco, Ca, 94110

Classificationotc alterations permitMultifamily Alteration
Reliable value$29,789
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Not in source
Owner
Not in source
Architect
Not in source
Engineer
Not in source
Contractor license
Not in source
Building & lot · PLUTO
Building class
Not in source
Zoning district
Not in source
Lot area
Not in source
Year built
Not in source
Units (total)
Not in source
Units (residential)
8
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
3577 036
Climate zone (IECC)
3C
Roof area (est.)
Not derivable — no building-size signal for this permit
HVAC tonnage (est.)
Not derivable — no building-size signal for this permit
Building type
Not in source
Building subtype
apartments
Geocode & dates
Coordinates
37.7630, -122.4237
Geocode confidence
95%
Geocode source
Not in source
Issued
Mar 21, 2025
Applied
Mar 20, 2025
Work class
Residential
Description
Source description

upgrade existing fire alarm system to comply with sffc section 1103.7.6.1

Status
Current status
finaled
Source status
complete
Finaled
May 23, 2025
Provenance
First seen by PermitCore
May 2, 2026 · 23:53 UTC
Last seen
May 12, 2026 · 00:08 UTC
Last changed
May 12, 2026 · 00:08 UTC

Open in San Francisco source →

Data-quality checks0 of 12 flagged

0 of 12 data-quality rules flagged anything on this permit.

Checks not flagged

  • Geocode out of bounds
  • Geocode is sentinel
  • Issued date in the future
  • Issued date parse bug
  • Issued date is placeholder
  • Commercial units is placeholder
  • Residential units out of bounds
  • Residential units is placeholder
  • Total units out of bounds
  • Total units is placeholder
  • Valuation out of bounds
  • Valuation is placeholder
Project timeline at this parcel

3 permits at this parcel (parcel 3577 036) · Oct 16, 2007 – Mar 21, 2025

  1. Mar 21, 2025This permitAlteration Residential · Finaled$29,789
  2. Mar 9, 20171455591404799Alteration Residential · Finaled$30,800
  3. Oct 16, 20071112625159537Alteration Residential · Issued

Full permit history at this parcel · as of Jul 9, 2026.

Developer details
Permit #
1717574247639
Canonical ID
6:1717574247639
Source permit ID
1717574247639
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