Permit Record

Alteration Residential

4243 Folsom St, San Francisco, Ca, 94110

Classificationotc alterations permitResidential Alteration
Reliable value$2,500
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)
1
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
5815 017
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
1 family dwelling
Geocode & dates
Coordinates
37.7339, -122.4136
Geocode confidence
95%
Geocode source
Not in source
Issued
Aug 19, 2025
Applied
Aug 19, 2025
Work class
Residential
Description
Source description

replacement of 2 front windows with aluminum & 3 rear windows with 1 sliding door. all work in-kind in same location. same size rough openings. max u-factor 0.30.

Status
Current status
finaled
Source status
complete
Finaled
Oct 17, 2025
Provenance
First seen by PermitCore
May 2, 2026 · 23:53 UTC
Last seen
May 12, 2026 · 00:09 UTC
Last changed
May 2, 2026 · 23:53 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

4 permits at this parcel (parcel 5815 017) · Jul 2, 2025 – Aug 19, 2025

  1. Aug 19, 2025This permitAlteration Residential · Finaled$2,500
  2. Aug 11, 20251728627188912Alteration Residential · Finaled$9,000
  3. Aug 5, 20251728067188912Alteration Residential · Finaled$25,000
  4. Jul 2, 20251725600188912Alteration Residential · Finaled$102,057

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

Developer details
Permit #
1729335188912
Canonical ID
6:1729335188912
Source permit ID
1729335188912
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