Permit Record

Alteration Residential

3256 21st St, #0, San Francisco, Ca, 94110

ClassificationAlteration
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)
Not in source
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
3609 022
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
Not in source
Geocode & dates
Coordinates
37.7572, -122.4202
Geocode confidence
95%
Geocode source
Not in source
Issued
May 31, 2018
Applied
May 31, 2018
Work class
Not in source
Description
Source description

street space

Status
Current status
issued
Source status
issued
Provenance
First seen by PermitCore
May 2, 2026 · 23:52 UTC
Last seen
May 12, 2026 · 00:04 UTC
Last changed
May 2, 2026 · 23:52 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

22 permits at this parcel (parcel 3609 022) · through May 31, 2018

  1. May 31, 2018This permitAlteration Residential · Issued
  2. May 29, 20181509770248337Alteration Residential · Finaled$1,596
  3. Apr 27, 20181505984161799Alteration Residential · Finaled$30,000
  4. Apr 27, 20181505989161799Alteration Residential · Finaled$40,000
  5. Sep 15, 20171479753419049Alteration Residential · Issued
  6. Sep 1, 20171442227419049ADU · Finaled$126,000
  7. Aug 18, 20171458732248337Alteration Residential · Finaled$15,000
  8. Jul 24, 20171469342248337Alteration Residential · Finaled$30,000
  9. Jul 24, 20171471660419049Alteration Residential · Issued
  10. Jul 19, 20171471082419049Alteration Residential · Finaled$10,000
  11. May 31, 20171464486248337Alteration Residential · Finaled$5,000
  12. Oct 26, 20161442198248337Alteration Residential · Finaled$25,000
  13. Aug 29, 20161432567419049Alteration Residential · Finaled$35,000
  14. Jul 29, 20161431807248337Alteration Residential · Finaled$30,000
  15. Jul 22, 20161431006248337Alteration Residential · Finaled
  16. Apr 22, 20161395426161799Alteration Residential · Finaled$80,000
  17. Apr 22, 20161390273248337Alteration Residential · Finaled$150,000
  18. Jul 9, 20141348235419049Alteration Residential · Finaled$50,000
  19. Jul 29, 20131312580419049Alteration Residential · Issued$80,000
  20. Feb 5, 2002900659248337Alteration Residential · Finaled$5,000
  21. Date not usable in source471754248337Alteration Residential · Finaled$450
  22. Date not usable in source138866248337Alteration Residential · Finaled$3,870

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

Developer details
Permit #
1510104419049
Canonical ID
6:1510104419049
Source permit ID
1510104419049
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