Permit Record

Alteration Commercial

1251 Connecticut St, San Francisco, Ca, 94107

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)
Not in source
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
4287 074
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
office
Geocode & dates
Coordinates
37.7504, -122.3960
Geocode confidence
95%
Geocode source
Not in source
Issued
May 4, 2026
Applied
Apr 7, 2026
Work class
Commercial
Description
Source description

adminstrative permit to change of use & occupancy group s-2 warehouse to group b. research and development with accessor office. no construction work.

Status
Current status
issued
Source status
issued
Provenance
First seen by PermitCore
May 2, 2026 · 23:53 UTC
Last seen
Jul 8, 2026 · 18:17 UTC
Last changed
Jul 8, 2026 · 18:17 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

4 permits at this parcel (parcel 4287 074) · Jun 20, 2019 – May 4, 2026

  1. May 4, 2026This permitAlteration Commercial · Issued
  2. Mar 31, 20261745083494643Alteration Commercial · Issued$48,000
  3. Jul 10, 20231672617494643Alteration Commercial · Finaled
  4. Jun 20, 20191557133494643Alteration Commercial · Issued$4,000

Full permit history at this parcel · as of Jul 10, 2026.

Developer details
Permit #
1746595494643
Canonical ID
6:1746595494643
Source permit ID
1746595494643
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