Permit Record

Alteration Residential

3470 20th St, San Francisco, Ca, 94110

Classificationotc alterations permitResidential Alteration
Reliable value$600
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
3595 019
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
37.7588, -122.4185
Geocode confidence
95%
Geocode source
Not in source
Issued
Nov 12, 2008
Applied
Nov 12, 2008
Work class
Residential
Description
Source description

romoval of wooden ladder on outside of building going to roof. to comply with nov#200878355.

Status
Current status
issued
Source status
issued
Provenance
First seen by PermitCore
May 2, 2026 · 23:50 UTC
Last seen
May 11, 2026 · 23:56 UTC
Last changed
May 11, 2026 · 23:56 UTC
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 3595 019) · through Nov 12, 2008

  1. Nov 12, 2008This permitAlteration Residential · Issued$600
  2. Dec 6, 20061075176160740Alteration Residential · Finaled$5,000
  3. Nov 29, 20061075883160740Alteration Residential · Issued
  4. Dec 2, 2002919329160740Alteration Residential · Issued$4,500
  5. Oct 11, 2000832654160740Alteration Residential · Expired
  6. Mar 15, 2000807376160740Alteration Residential · Expired$6,000
  7. Feb 24, 2000805464160740Alteration Residential · Expired$8,000
  8. Feb 11, 2000804377160740Alteration Residential · Expired$26,000
  9. Feb 9, 2000760656160740Alteration Residential · Expired$2,700
  10. Date not usable in source575429160740Alteration Residential · Expired$3,500
  11. Date not usable in source507137160740Alteration Residential · Expired
  12. Date not usable in source415955160740Alteration Residential · Disapproved$12,402

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

Developer details
Permit #
1156557160740
Canonical ID
6:1156557160740
Source permit ID
1156557160740
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