Permit Record

ADU

2140A Lake St, San Francisco, Ca, 94121

Classificationadditions alterations or repairsADU-Qualifying Construction
Reliable value$250,000
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
1336 009
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
37.7861, -122.4826
Geocode confidence
95%
Geocode source
Not in source
Issued
Jul 28, 2026
Applied
Dec 28, 2025
Work class
Residential
Description
Source description

convert 848 sf to adu: 1bed/1bth, replace windows in-kind,enlarge bedroom windows, (e) kitchen remodel, remodel (e) bath, add 2nd bath & laundry. add subpanel, plumbing,hvac. 202510227916 under sep permit for work on levels 2 & 3.

Status
Current status
issued
Source status
issued
Provenance
First seen by PermitCore
Jul 22, 2026 · 10:28 UTC
Last seen
Jul 31, 2026 · 10:12 UTC
Last changed
Jul 30, 2026 · 10:08 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 1336 009) · through Jul 28, 2026

  1. Jul 28, 2026173811796232ADU · Issued$250,000
  2. Jul 28, 2026This permitADU · Issued$250,000
  3. Feb 24, 2026174367796232Alteration Residential · Issued$40,000
  4. Oct 22, 2025173441396232Alteration Residential · Issued$100,000
  5. Sep 5, 2008114854996232Alteration Residential · Finaled$3,000
  6. Aug 24, 200499028096232Alteration Residential · Expired$10,000
  7. Date not usable in source11809696232Alteration Residential · Expired
  8. Date not usable in source11180496232Alteration Residential · Expired$5,000

Full permit history at this parcel · as of Jul 31, 2026.

Developer details
Permit #
1753576524747
Canonical ID
6:1753576524747
Source permit ID
1753576524747
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