Permit Record

Alteration Commercial

1550 Union St, San Francisco, Ca, 94123

Classificationotc alterations permitCommercial 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)
0
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
0527 013
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
prkng garage/public
Geocode & dates
Coordinates
37.7987, -122.4250
Geocode confidence
95%
Geocode source
Not in source
Issued
Oct 17, 2025
Applied
Oct 16, 2025
Work class
Commercial
Description
Source description

structural revision to pa#2025-0716-0917 to record actual testing capacities of voluntary structural improvements based on field data original permit 2025-0521-6974

Status
Current status
finaled
Source status
complete
Finaled
Jan 8, 2026
Provenance
First seen by PermitCore
May 2, 2026 · 23:53 UTC
Last seen
May 12, 2026 · 00:09 UTC
Last changed
May 12, 2026 · 00:09 UTC

Open in San Francisco source →

Data-quality checks2 of 12 flagged

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

Residential units is placeholder
units_residential_is_placeholder

units_residential matched a known placeholder value used by the source when the field wasn't reported.

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
  • Total units out of bounds
  • Total units is placeholder
  • Valuation out of bounds
Project timeline at this parcel

8 permits at this parcel (parcel 0527 013) · Nov 7, 2007 – Oct 17, 2025

  1. Oct 17, 2025This permitAlteration Commercial · Finaled
  2. Sep 29, 2025173253473111Alteration Commercial · Finaled$112,400
  3. Aug 7, 2025172759473111Alteration Commercial · Finaled$10,000
  4. Jul 16, 2025172663273111Alteration Commercial · Finaled
  5. Jul 8, 2025172594173111Alteration Commercial · Finaled$50,000
  6. Jun 10, 2025172235673111Alteration Commercial · Issued$82,000
  7. May 15, 2025172147873111Alteration Commercial · Issued$187,000
  8. Nov 7, 2007111539173111Alteration Residential · Issued

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

Developer details
Permit #
173392873111
Canonical ID
6:173392873111
Source permit ID
173392873111
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