Permit Record

Alteration Residential

1858 20th Av, San Francisco, Ca, 94122

Classificationotc alterations permitResidential Alteration
Reliable value$3,000
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)
Not in source
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
2056 025A
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
37.7531, -122.4771
Geocode confidence
95%
Geocode source
Not in source
Issued
Jun 17, 2002
Applied
Jun 17, 2002
Work class
Residential
Description
Source description

reroofing

Status
Current status
expired
Source status
expired
Provenance
First seen by PermitCore
May 2, 2026 · 23:55 UTC
Last seen
May 12, 2026 · 00:18 UTC
Last changed
May 2, 2026 · 23:55 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 2056 025A) · through Jun 17, 2002

  1. Jun 17, 2002This permitAlteration Residential · Expired$3,000
  2. Date not usable in source424901123737Alteration Residential · Finaled$2,700
  3. Date not usable in source117316123737Alteration Residential · Finaled$950

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

Developer details
Permit #
913322123737
Canonical ID
6:913322123737
Source permit ID
913322123737
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