Permit Record

Alteration Residential

4156 20th St, San Francisco, Ca, 94114

Classificationotc alterations permitMultifamily Alteration
Reliable valueNot in source
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)
4
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
3602 054
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
37.7579, -122.4338
Geocode confidence
95%
Geocode source
Not in source
Issued
Dec 3, 2025
Applied
Nov 25, 2025
Work class
Residential
Description
Source description

to obtain final inspection for work approved under pa# 202405101871 and pa# 202404119800. all work is complete.

Status
Current status
finaled
Source status
complete
Finaled
Jan 29, 2026
Provenance
First seen by PermitCore
May 2, 2026 · 23:53 UTC
Last seen
May 12, 2026 · 00:09 UTC
Last changed
May 12, 2026 · 00:09 UTC

Open in San Francisco source →

Data-quality checks1 of 12 flagged

1 of 12 data-quality checks flagged on this permit. Detail below.

Valuation is placeholder
valuation_usd_is_placeholder

valuation_usd matched a known placeholder (often 0 or 1) used by the source when the real valuation wasn't reported.

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
Project timeline at this parcel

12 permits at this parcel (parcel 3602 054) · through Dec 3, 2025

  1. Dec 3, 2025This permitAlteration Residential · Finaled
  2. Dec 3, 20251737314272954Alteration Residential · Finaled
  3. Nov 5, 20251735646272954Alteration Residential · Issued$64,000
  4. Jul 1, 20241694932161249Alteration Residential · Issued$30,000
  5. Jul 1, 20241694933272954Alteration Residential · Issued$30,000
  6. Apr 11, 20241692675272954Alteration Residential · Issued$20,000
  7. Apr 11, 20241692674161249Alteration Residential · Issued$20,000
  8. Nov 14, 20231677967161249Alteration Residential · Finaled$109,000
  9. Nov 14, 20231677968415389Alteration Residential · Finaled$109,000
  10. Jun 23, 20231671909161249Alteration Residential · Issued$45,000
  11. Aug 31, 2004991000248195Alteration Residential · Finaled$1,000
  12. Date not usable in source215701248195Alteration Residential · Finaled$3,700

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

Developer details
Permit #
1737313161249
Canonical ID
6:1737313161249
Source permit ID
1737313161249
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