Permit Record

Alteration Residential

3421 23rd St, San Francisco, Ca, 94110

Classificationotc alterations permitMultifamily Alteration
Reliable value$3,000
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)
14
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
3644 019
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
37.7535, -122.4213
Geocode confidence
95%
Geocode source
Not in source
Issued
Apr 2, 2025
Applied
Apr 2, 2025
Work class
Residential
Description
Source description

comply with nov #202307475 item #7. replace 3x stairwell windows with vinyl retrofit. repair in kind boiler room single hung wood window. top and bottom sashes.

Status
Current status
finaled
Source status
complete
Finaled
May 16, 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

10 permits at this parcel (parcel 3644 019) · Feb 8, 2001 – Apr 2, 2025

  1. Apr 2, 2025This permitAlteration Residential · Finaled$3,000
  2. Oct 18, 20191572707269780Alteration Residential · Issued
  3. Aug 13, 20191563793269780Alteration Residential · Issued
  4. Apr 25, 20191529154402278Alteration Commercial · Finaled$18,000
  5. Apr 25, 20191529152402279Alteration Residential · Finaled$90,000
  6. Sep 29, 20141357122402279Alteration Residential · Issued
  7. Feb 8, 2001868270269779Alteration Residential · Expired$13,500
  8. Feb 8, 2001868269163790Alteration Residential · Expired$13,500
  9. Feb 8, 2001868271269780Alteration Residential · Expired$13,500
  10. Date not in source1459260402279Alteration Commercial · Cancelled$48,000

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

Developer details
Permit #
1718573163790
Canonical ID
6:1718573163790
Source permit ID
1718573163790
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