Permit Record

Alteration Residential

1658 27th Av, San Francisco, Ca, 94122

Classificationotc alterations permitResidential Alteration
Reliable value$12,050
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)
1
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
1917 019
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
1 family dwelling
Geocode & dates
Coordinates
37.7565, -122.4849
Geocode confidence
95%
Geocode source
Not in source
Issued
Oct 22, 2025
Applied
Oct 21, 2025
Work class
Residential
Description
Source description

installation of a new fire alarm system which includes sprinkler monitoring. supply and install a new fire alarm control unit facu with 2 amp hr back up batteries. supply and install a wireless fie alarm radio communicator for 24 hr ul monitoring. supply and install 1 manual pull station next to the

Status
Current status
finaled
Source status
complete
Finaled
Oct 28, 2025
Provenance
First seen by PermitCore
May 2, 2026 · 23:53 UTC
Last seen
May 12, 2026 · 00:09 UTC
Last changed
May 2, 2026 · 23:53 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

10 permits at this parcel (parcel 1917 019) · through Oct 22, 2025

  1. Oct 22, 2025This permitAlteration Residential · Finaled$12,050
  2. Oct 14, 20251733667120343Alteration Residential · Finaled
  3. Mar 12, 20251716961120343Alteration Residential · Finaled
  4. Jan 21, 20251713184120343Alteration Residential · Finaled$13,000
  5. Aug 21, 20241702843120343Alteration Residential · Finaled$23,089
  6. Jul 25, 20241701178120343Alteration Residential · Expired$20,000
  7. Jul 24, 20241674010120343Alteration Residential · Finaled$612,000
  8. Jan 31, 20241676555120343ADU · Finaled$288,200
  9. Date not usable in source755099120343Alteration Residential · Finaled$2,000
  10. Date not usable in source673490120343Alteration Residential · Expired$5,300

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

Developer details
Permit #
1734305120343
Canonical ID
6:1734305120343
Source permit ID
1734305120343
Browse San Francisco permits in the Market Explorer →Pull this permit via /v1/permits →