Permit Record

Alteration Residential

1802 20th St, San Francisco, Ca, 94107

Classificationotc alterations permitMultifamily 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)
9
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
4070 049
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
37.7600, -122.3994
Geocode confidence
95%
Geocode source
Not in source
Issued
Sep 7, 2018
Applied
Sep 7, 2018
Work class
Residential
Description
Source description

administrative permit to change address on pa# 201707212557 from 1802 20th street to 1802, 1804, 1808,1810, 1814 20th street

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 12, 2026 · 00:04 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 4070 049) · Feb 27, 2007 – Sep 7, 2018

  1. Sep 7, 2018This permitAlteration Residential · Issued
  2. Jul 21, 20171471389169547Alteration Residential · Finaled$30,000
  3. Feb 27, 20071084508169547Alteration Residential · Issued$33,000
  4. Date not in source1723805169547Alteration Residential · Pending

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

Developer details
Permit #
1522696169547
Canonical ID
6:1522696169547
Source permit ID
1522696169547
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