Permit Record

Alteration Residential

20 18th Av, San Francisco, Ca, 94121

Classificationotc alterations permitResidential Alteration
Reliable value$49,000
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)
1
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
1341 012
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
37.7866, -122.4774
Geocode confidence
95%
Geocode source
Not in source
Issued
Jul 30, 2024
Applied
Jul 9, 2024
Work class
Residential
Description
Source description

replace 11 windows with pocket aluminum wood clad windows 5 are street visible no change to size or location u factor <0.30

Status
Current status
finaled
Source status
complete
Finaled
Oct 10, 2024
Provenance
First seen by PermitCore
May 2, 2026 · 23:53 UTC
Last seen
May 12, 2026 · 00:08 UTC
Last changed
May 2, 2026 · 23:53 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

11 permits at this parcel (parcel 1341 012) · through Jul 30, 2024

  1. Jul 30, 2024This permitAlteration Residential · Finaled$49,000
  2. Apr 27, 2016142106596350Alteration Residential · Finaled$2,800
  3. Jan 15, 2016138968796350Alteration Residential · Finaled$100,000
  4. Apr 24, 2014133972896350Alteration Residential · Finaled$70,000
  5. Date not usable in source60595296350Alteration Residential · Finaled
  6. Date not usable in source59584696350Alteration Residential · Finaled
  7. Date not usable in source56065096350Alteration Residential · Expired$15,000
  8. Date not usable in source56678096350Alteration Residential · Expired$6,400
  9. Date not usable in source55809396350Alteration Residential · Expired$3,000
  10. Date not usable in source55726296350Alteration Residential · Finaled$15,000
  11. Date not in source87886796350Alteration Residential · Cancelled$210,000

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

Developer details
Permit #
169951196350
Canonical ID
6:169951196350
Source permit ID
169951196350
Browse San Francisco permits in the Market Explorer →Pull this permit via /v1/permits →