Permit Record

Alteration Residential

1420 Union St, San Francisco, Ca, 94109

Classificationotc alterations permitResidential Alteration
Reliable value$10,230
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
0526 010
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
37.7989, -122.4228
Geocode confidence
95%
Geocode source
Not in source
Issued
Apr 22, 2003
Applied
Apr 22, 2003
Work class
Residential
Description
Source description

install 27 vinyl windows in kind into existing frames, no change in sizse of location, no structl ch

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 12, 2026 · 00:18 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 0526 010) · through Apr 22, 2003

  1. Apr 22, 2003This permitAlteration Residential · Expired$10,230
  2. Apr 22, 200394205273091Alteration Residential · Expired$10,230
  3. Date not usable in source68340373091Alteration Residential · Expired$10,000

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

Developer details
Permit #
942054429019
Canonical ID
6:942054429019
Source permit ID
942054429019
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