Permit Record

Alteration Residential

3784 20th St, San Francisco, Ca, 94110

Classificationotc alterations permitResidential Alteration
Reliable value$15,000
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)
2
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
3598 023
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
37.7585, -122.4253
Geocode confidence
95%
Geocode source
Not in source
Issued
Nov 14, 2022
Applied
Nov 14, 2022
Work class
Residential
Description
Source description

removal of extg damaged terra-cotta flue tiles and replacing with listed class-a metal chimney systems. this is a repair, not a reconstructing. no roof work seen from the street.

Status
Current status
finaled
Source status
complete
Finaled
Dec 23, 2022
Provenance
First seen by PermitCore
May 2, 2026 · 23:52 UTC
Last seen
May 12, 2026 · 00:07 UTC
Last changed
May 12, 2026 · 00:07 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 3598 023) · through Nov 14, 2022

  1. Nov 14, 2022This permitAlteration Residential · Finaled$15,000
  2. Nov 14, 20221656093386564Alteration Residential · Finaled$15,000
  3. Nov 7, 20221654901160967Alteration Residential · Finaled$70,000
  4. Oct 18, 20121276709160967Alteration Residential · Finaled$30,000
  5. Oct 18, 20121285973160967Alteration Residential · Issued
  6. Aug 8, 20061062706160967Alteration Residential · Finaled$4,000
  7. Aug 8, 20061062707386564Alteration Residential · Finaled$4,000
  8. May 22, 20061045204386564Alteration Residential · Finaled$100,000
  9. May 22, 20061045203160967Alteration Residential · Finaled$100,000
  10. Jul 2, 2001878498160967Alteration Residential · Finaled$100,000
  11. Jul 2, 2001878499386564Alteration Residential · Finaled$100,000
  12. Nov 21, 2000836780386564Alteration Residential · Expired$5,000
  13. Mar 30, 2000809020386564Alteration Residential · Expired$2,340
  14. Mar 30, 2000809007160967Alteration Residential · Expired$2,340
  15. Date not usable in source507939160967Alteration Residential · Finaled$9,500
  16. Date not usable in source413015160967Alteration Residential · Finaled$3,000
  17. Date not usable in source398292160967Alteration Residential · Finaled$1,000
  18. Date not usable in source393853160967Alteration Residential · Expired$1,000
  19. Date not usable in source382211160967Alteration Residential · Finaled$400

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

Developer details
Permit #
1656092160967
Canonical ID
6:1656092160967
Source permit ID
1656092160967
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