Permit Record

Alteration Residential

1819 20th St, San Francisco, Ca, 94107

Classificationotc alterations permitResidential Alteration
Reliable value$2,000
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
4097 001
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
37.7597, -122.3995
Geocode confidence
95%
Geocode source
Not in source
Issued
Apr 27, 2026
Applied
Not in source
Work class
Residential
Description
Source description

recommencement and completion of work under pa# 2024-0403-9209

Status
Current status
finaled
Source status
complete
Finaled
Apr 29, 2026
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

19 permits at this parcel (parcel 4097 001) · through Apr 27, 2026

  1. Apr 27, 2026This permitAlteration Residential · Finaled$2,000
  2. May 16, 20241691985462199Alteration Residential · Expired$20,000
  3. Jan 30, 20241687276170389Alteration Residential · Issued
  4. Dec 12, 20231683747170389Alteration Residential · Issued$26,964
  5. Aug 23, 20231631511170389Alteration Residential · Issued$700,000
  6. Sep 26, 20221645890170389Alteration Residential · Finaled$5,000
  7. Sep 26, 20221651298170389Alteration Residential · Issued
  8. Feb 11, 20221635431170389Alteration Residential · Issued
  9. Dec 7, 20211630268170389Alteration Residential · Issued$300,000
  10. May 5, 20211612752170389Alteration Residential · Cancelled$100,000
  11. Jul 3, 20171468524170389Alteration Residential · Finaled$30,000
  12. Feb 26, 20161414168462199Alteration Residential · Finaled$3,000
  13. Nov 30, 20151404756462199Alteration Residential · Issued
  14. Jun 24, 20151386204462199Alteration Residential · Finaled$40,000
  15. Mar 10, 20141334917170389Alteration Residential · Issued
  16. Jun 7, 20111240158462199Alteration Residential · Finaled$5,500
  17. Aug 16, 20101213879170389Alteration Residential · Finaled$25,000
  18. Mar 4, 20101199245170389Alteration Residential · Finaled$16,500
  19. Date not usable in source242982170389Alteration Residential · Finaled$600

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

Developer details
Permit #
1747485462199
Canonical ID
6:1747485462199
Source permit ID
1747485462199
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