Permit Record

Alteration Residential

231 Niagara Av, San Francisco, Ca, 94112

Classificationotc alterations permitResidential Alteration
Reliable value$10,128
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
7028A 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
1 family dwelling
Geocode & dates
Coordinates
37.7182, -122.4453
Geocode confidence
95%
Geocode source
Not in source
Issued
Oct 12, 2018
Applied
Oct 12, 2018
Work class
Residential
Description
Source description

replace nine windows within the existing openings three visible from the street no structural changes. three visible to be wood in kind replacement. six not visible form the street to be vinyl. existing aluminum to wood double hung / fixed double hung. max u-factor 0.32 or better.

Status
Current status
issued
Source status
issued
Provenance
First seen by PermitCore
May 2, 2026 · 23:52 UTC
Last seen
May 12, 2026 · 00:04 UTC
Last changed
May 2, 2026 · 23:52 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 7028A 010) · through Oct 12, 2018

  1. Oct 12, 2018This permitAlteration Residential · Issued$10,128
  2. Date not usable in source585653218182Alteration Residential · Expired$4,400

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

Developer details
Permit #
1527818218182
Canonical ID
6:1527818218182
Source permit ID
1527818218182
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