Permit Record

Alteration Residential

3645 Washington St, San Francisco, Ca, 94118

Classificationadditions alterations or repairsResidential Alteration
Reliable value$361,067
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
0994 020
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
37.7890, -122.4530
Geocode confidence
95%
Geocode source
Not in source
Issued
Aug 28, 2025
Applied
Mar 26, 2025
Work class
Residential
Description
Source description

replace foundation, excavate (e) basement and crawl space for additional habitable space including a mudroom, bedroom, bathroom and living space.

Status
Current status
issued
Source status
issued
Provenance
First seen by PermitCore
May 2, 2026 · 23:53 UTC
Last seen
May 12, 2026 · 00:08 UTC
Last changed
May 12, 2026 · 00:08 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

12 permits at this parcel (parcel 0994 020) · through Aug 28, 2025

  1. Aug 28, 2025This permitAlteration Residential · Issued$361,067
  2. May 12, 2021161482986371Alteration Residential · Finaled$39,000
  3. Oct 7, 2019157109586371Alteration Residential · Issued
  4. May 15, 2019155198886371Alteration Residential · Finaled$10,000
  5. Apr 29, 2019154826386371Alteration Residential · Finaled$120,000
  6. Aug 24, 2005102659986371Alteration Residential · Finaled$30,466
  7. Jul 8, 200498518186371Alteration Residential · Finaled$60,000
  8. Jun 29, 200498424186371Alteration Residential · Finaled$5,710
  9. Date not usable in source27552986371Alteration Residential · Finaled
  10. Date not usable in source27553086371Alteration Residential · Finaled
  11. Date not usable in source25341786371Alteration Residential · Finaled$80,000
  12. Date not usable in source24866686371Alteration Residential · Finaled$33,000

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

Developer details
Permit #
171412186371
Canonical ID
6:171412186371
Source permit ID
171412186371
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