Permit Record

Alteration Residential

4470 23rd St, San Francisco, Ca, 94114

Classificationotc alterations permitResidential Alteration
Reliable value$13,800
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)
2
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
2801 018
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
2 family dwelling
Geocode & dates
Coordinates
37.7527, -122.4421
Geocode confidence
95%
Geocode source
Not in source
Issued
Dec 12, 2011
Applied
Sep 23, 2011
Work class
Residential
Description
Source description

replace front entry stairs in kind with new foundation & add plywood walls at front wall

Status
Current status
finaled
Source status
complete
Finaled
Dec 16, 2011
Provenance
First seen by PermitCore
May 2, 2026 · 23:50 UTC
Last seen
May 11, 2026 · 23:58 UTC
Last changed
May 11, 2026 · 23:58 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

18 permits at this parcel (parcel 2801 018) · through Dec 12, 2011

  1. Dec 12, 2011This permitAlteration Residential · Finaled$13,800
  2. Dec 12, 20111257467487478Alteration Residential · Finaled$13,800
  3. Dec 9, 20111257413487478Alteration Residential · Issued$159
  4. Jun 23, 20111241797144526Alteration Residential · Finaled$5,000
  5. Jun 23, 20111241800144526Alteration Residential · Issued
  6. Mar 11, 20111232487144526Alteration Residential · Finaled$28,000
  7. Feb 14, 20071083336144526Alteration Residential · Finaled
  8. Oct 23, 20061071906144526Alteration Residential · Expired
  9. Oct 23, 20061071905144526Alteration Residential · Finaled
  10. Oct 3, 20061069529144526Alteration Residential · Issued
  11. Sep 21, 20061068161144526Alteration Residential · Issued
  12. Jun 6, 20061055360144526Alteration Residential · Issued
  13. May 30, 20061054644144526Alteration Residential · Finaled$6,000
  14. Sep 23, 2005991576144526Alteration Residential · Expired$119,000
  15. Jul 26, 2002917251144526Alteration Residential · Finaled$5,000
  16. Jul 18, 2001882924144526Alteration Residential · Expired
  17. Date not usable in source340154144526Alteration Residential · Finaled$4,500
  18. Date not in source1238808144526Alteration Residential · Cancelled

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

Developer details
Permit #
1250619144526
Canonical ID
6:1250619144526
Source permit ID
1250619144526
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