Permit Record

Alteration Residential

1827 20th Av, San Francisco, Ca, 94122

Classificationotc alterations permitResidential Alteration
Reliable value$11,000
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
2057 006
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
37.7536, -122.4778
Geocode confidence
95%
Geocode source
Not in source
Issued
Jun 17, 2025
Applied
Jun 17, 2025
Work class
Residential
Description
Source description

re roofing (hot works). tear off and disposal of existing roofing materials. install 26sq ft of roof. nail down base, modified bitumen.

Status
Current status
finaled
Source status
complete
Finaled
Jul 10, 2025
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

3 permits at this parcel (parcel 2057 006) · through Jun 17, 2025

  1. Jun 17, 2025This permitAlteration Residential · Finaled$11,000
  2. Date not usable in source539775123758Alteration Residential · Finaled$4,500
  3. Date not usable in source477972123758Alteration Residential · Finaled$2,500

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

Developer details
Permit #
1724349123758
Canonical ID
6:1724349123758
Source permit ID
1724349123758
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