Permit Record

Alteration Residential

490 20th Av, San Francisco, Ca, 94121

Classificationotc alterations permitResidential Alteration
Reliable value$5,000
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
1525 024A
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
37.7786, -122.4790
Geocode confidence
95%
Geocode source
Not in source
Issued
Jul 12, 2016
Applied
Jul 12, 2016
Work class
Residential
Description
Source description

replace windows at the front of the property. windows shall be wood interior aluminum clad windows. top windows will be changed to single or double hung windows. (7) windows, same size, same location, max u-factor 0.32.

Status
Current status
finaled
Source status
complete
Finaled
Jun 20, 2017
Provenance
First seen by PermitCore
May 2, 2026 · 23:51 UTC
Last seen
May 12, 2026 · 00:02 UTC
Last changed
May 2, 2026 · 23:51 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

9 permits at this parcel (parcel 1525 024A) · through Jul 12, 2016

  1. Jul 12, 2016This permitAlteration Residential · Finaled$5,000
  2. Mar 24, 20101201177102846Alteration Residential · Issued
  3. Jul 10, 2003949586102846Alteration Residential · Finaled$5,000
  4. Dec 3, 2001895502102846Alteration Residential · Finaled$300
  5. May 4, 2001837039102846Alteration Residential · Finaled$10,000
  6. Date not usable in source596180102846Alteration Residential · Expired$2,600
  7. Date not usable in source116467102846Alteration Residential · Expired$1,500
  8. Date not in source895130102846Alteration Residential · Cancelled
  9. Date not in source895248102846Alteration Residential · Cancelled

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

Developer details
Permit #
1429693102846
Canonical ID
6:1429693102846
Source permit ID
1429693102846
Browse San Francisco permits in the Market Explorer →Pull this permit via /v1/permits →