Permit Record

Alteration Residential

423 Silver Av, San Francisco, Ca, 94112

Classificationotc alterations permitResidential Alteration
Reliable value$146,080
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
5894 014
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
37.7288, -122.4277
Geocode confidence
95%
Geocode source
Not in source
Issued
Nov 4, 2021
Applied
Oct 26, 2021
Work class
Residential
Description
Source description

add 1 bedroom, 1 media room and a bathroom to ground floor.

Status
Current status
finaled
Source status
complete
Finaled
Jul 18, 2022
Provenance
First seen by PermitCore
May 2, 2026 · 23:52 UTC
Last seen
May 12, 2026 · 00:06 UTC
Last changed
May 2, 2026 · 23:52 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 5894 014) · May 5, 2015 – Nov 4, 2021

  1. Nov 4, 2021This permitAlteration Residential · Finaled$146,080
  2. May 5, 20151380472190618Alteration Residential · Issued$7,500
  3. Date not in source1751629190618Alteration Residential · Pending

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

Developer details
Permit #
1628443190618
Canonical ID
6:1628443190618
Source permit ID
1628443190618
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