Permit Record

Alteration Residential

21 Castro St, San Francisco, Ca, 94117

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
1260 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
Not in source
Geocode & dates
Coordinates
37.7694, -122.4358
Geocode confidence
95%
Geocode source
Not in source
Issued
Oct 2, 2018
Applied
Oct 2, 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

16 permits at this parcel (parcel 1260 019) · through Oct 2, 2018

  1. Oct 2, 2018This permitAlteration Residential · Issued
  2. Sep 24, 20181525122509031Alteration Residential · Finaled$3,500
  3. Aug 17, 20181520141509031Alteration Residential · Issued
  4. Jun 13, 20181511865509031Alteration Residential · Issued
  5. Apr 6, 20181503415509031Alteration Residential · Issued
  6. Dec 27, 20171491916362618Alteration Residential · Finaled$22,000
  7. Dec 27, 2017149192094209Alteration Residential · Finaled$4,000
  8. Oct 17, 2017148363494209Alteration Residential · Issued
  9. Oct 12, 20171483046509031Alteration Residential · Finaled$22,021
  10. Jun 30, 20171469031509031ADU · Finaled$95,000
  11. Feb 2, 2015136960594209Alteration Residential · Finaled$4,000
  12. Nov 26, 2002929284362618Alteration Residential · Finaled$2,446
  13. Aug 21, 2002919913362618Alteration Residential · Finaled$11,000
  14. Jul 8, 2002906126362618Alteration Residential · Issued$18,000
  15. Jul 8, 200290612594209Alteration Residential · Issued$18,000
  16. Date not usable in source770124362618Alteration Residential · Finaled$4,380

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

Developer details
Permit #
1526420509031
Canonical ID
6:1526420509031
Source permit ID
1526420509031
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