Permit Record

ADU

3757 21st St, San Francisco, Ca, 94114

Classificationadditions alterations or repairsADU-Qualifying Construction
Reliable value$200,000
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)
2
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
3621 075
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
2 family dwelling
Geocode & dates
Coordinates
37.7560, -122.4314
Geocode confidence
95%
Geocode source
Not in source
Issued
Not in source
Applied
Dec 13, 2021
Work class
Residential
Description
Source description

new adu on 1st floor. traveling with bpa# 202111303306.

Status
Current status
pending
Source status
filed
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 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

8 permits at this parcel (parcel 3621 075) · through Jan 27, 2023

  1. Jan 27, 20231630759162711Demolition · Issued$65,000
  2. Jan 27, 20231630776162711New Construction Residential Sf · Issued$1,197,026
  3. May 16, 2002910371162711Alteration Residential · Issued$20,000
  4. Sep 21, 2001888185162711Alteration Residential · Finaled$20,000
  5. Date not usable in source466653162711Alteration Residential · Finaled$22,000
  6. Date not usable in source427694162711Alteration Residential · Finaled$2,000
  7. Date not in sourceThis permitADU · Pending$200,000
  8. Date not in source1599536162711Alteration Residential · Withdrawn$975,000

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

Developer details
Permit #
1631831162711
Canonical ID
6:1631831162711
Source permit ID
1631831162711
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