Permit Record

Alteration Residential

1454 20th Av, San Francisco, Ca, 94122

Classificationotc alterations permitResidential Alteration
Reliable valueNot in source
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
1834 026A
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
37.7606, -122.4777
Geocode confidence
95%
Geocode source
Not in source
Issued
Jan 19, 2023
Applied
Jan 19, 2023
Work class
Residential
Description
Source description

revision 202011128678: to correct the scope of work: adding new habitable space to have bedroom, family room, home office, 2 full bathroms. 2 laundry sets. install gas furnace and water heater in garage.

Status
Current status
finaled
Source status
complete
Finaled
Jan 25, 2023
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 checks1 of 12 flagged

1 of 12 data-quality checks flagged on this permit. Detail below.

Valuation is placeholder
valuation_usd_is_placeholder

valuation_usd matched a known placeholder (often 0 or 1) used by the source when the real valuation wasn't reported.

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
Project timeline at this parcel

5 permits at this parcel (parcel 1834 026A) · Aug 18, 2020 – Jan 19, 2023

  1. Jan 19, 2023This permitAlteration Residential · Finaled
  2. Oct 28, 20211603699116490Alteration Residential · Finaled$115,000
  3. Sep 2, 20211603646116490Alteration Residential · Finaled$120,000
  4. Sep 4, 20201598049116490Alteration Residential · Revoked$5,000
  5. Aug 18, 20201596442116490Alteration Residential · Issued$50,000

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

Developer details
Permit #
1660437116490
Canonical ID
6:1660437116490
Source permit ID
1660437116490
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