Permit Record

Alteration Residential

21 Mountain Spring Av, San Francisco, Ca, 94114

Classificationotc alterations permitResidential 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)
1
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
2709 065
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
37.7580, -122.4488
Geocode confidence
95%
Geocode source
Not in source
Issued
Oct 4, 2021
Applied
Oct 4, 2021
Work class
Residential
Description
Source description

to obtain final inspection for work approved under pa# 201009171089, 201609097342, and 201705035512. all work is complete.

Status
Current status
finaled
Source status
complete
Finaled
Nov 2, 2022
Provenance
First seen by PermitCore
May 2, 2026 · 23:52 UTC
Last seen
May 12, 2026 · 00:06 UTC
Last changed
May 2, 2026 · 23:52 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

9 permits at this parcel (parcel 2709 065) · May 21, 2013 – Oct 4, 2021

  1. Oct 4, 2021This permitAlteration Residential · Finaled
  2. Sep 8, 20201596613142476Alteration Residential · Finaled$5,000
  3. Feb 28, 20191542999142476Alteration Residential · Finaled
  4. Jul 20, 20171471299142476Alteration Residential · Issued$25,000
  5. May 5, 20171461649142476Alteration Residential · Finaled$25,000
  6. Sep 12, 20161436907142476Alteration Residential · Expired$20,000
  7. Jun 28, 20161428290142476Alteration Residential · Issued
  8. May 21, 20131218207142476Demolition · Finaled$4,260
  9. May 21, 20131218202142476New Construction Residential Sf · Expired$1,061,936

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

Developer details
Permit #
1626868142476
Canonical ID
6:1626868142476
Source permit ID
1626868142476
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