Permit Record

Alteration Residential

1644 Washington St, San Francisco, Ca, 94109

Classificationotc alterations permitMultifamily Alteration
Reliable value$43,400
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)
14
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
0597 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
apartments
Geocode & dates
Coordinates
37.7936, -122.4205
Geocode confidence
95%
Geocode source
Not in source
Issued
Jul 21, 2023
Applied
Jul 19, 2023
Work class
Residential
Description
Source description

upgrade (e) fire alarm system to comply with sffc section 1103.7.6.1

Status
Current status
finaled
Source status
complete
Finaled
Oct 23, 2023
Provenance
First seen by PermitCore
May 2, 2026 · 23:52 UTC
Last seen
May 12, 2026 · 00:07 UTC
Last changed
May 12, 2026 · 00:07 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

2 permits at this parcel (parcel 0597 010) · Feb 17, 2012 – Jul 21, 2023

  1. Jul 21, 2023This permitAlteration Residential · Finaled$43,400
  2. Feb 17, 20121262712235744Alteration Residential · Issued

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

Developer details
Permit #
1673791235744
Canonical ID
6:1673791235744
Source permit ID
1673791235744
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