Permit Record

Alteration Commercial

345 Williams Av, San Francisco, Ca, 94124

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
5423A 009
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
retail sales
Geocode & dates
Coordinates
37.7298, -122.3992
Geocode confidence
95%
Geocode source
Not in source
Issued
Nov 18, 2025
Applied
Nov 18, 2025
Work class
Commercial
Description
Source description

convert from pots to multi tech communications by adding network card and cell

Status
Current status
issued
Source status
issued
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

15 permits at this parcel (parcel 5423A 009) · through Nov 18, 2025

  1. Nov 18, 2025This permitAlteration Commercial · Issued
  2. Nov 4, 20221655597182185Alteration Commercial · Finaled$5,239
  3. May 16, 20161411409182185Alteration Commercial · Issued$65,000
  4. May 1, 20141340018182185Alteration Commercial · Finaled$130,000
  5. Oct 30, 20131320927182185Sign · Expired$4,000
  6. Oct 30, 20131320922182185Sign · Expired$4,000
  7. Date not usable in source719151182185Alteration Commercial · Finaled$20,000
  8. Date not usable in source636082182185Alteration Commercial · Expired$10,600
  9. Date not usable in source592380182185Sign · Expired$1,000
  10. Date not usable in source456267182185Alteration Commercial · Expired$212,000
  11. Date not usable in source366160182185Sign · Finaled$3,100
  12. Date not usable in source366161182185Sign · Finaled$5,000
  13. Date not usable in source366162182185Sign · Finaled$2,700
  14. Date not usable in source365965182185Alteration Commercial · Expired$12,500
  15. Date not usable in source347149182185Alteration Commercial · Expired$500,000

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

Developer details
Permit #
1736624182185
Canonical ID
6:1736624182185
Source permit ID
1736624182185
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