Permit Record

Alteration Commercial

933 20th St, San Francisco, Ca, 94107

Classificationotc alterations permitCommercial Alteration
Reliable valueNot in source
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)
Not in source
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
4106 176
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
office
Geocode & dates
Coordinates
37.7602, -122.3908
Geocode confidence
95%
Geocode source
Not in source
Issued
Sep 2, 2021
Applied
Jul 26, 2021
Work class
Commercial
Description
Source description

revision for bpa#201810294394 to eliminate door opening between retail & life science lab.

Status
Current status
issued
Source status
reinstated
Provenance
First seen by PermitCore
May 2, 2026 · 23:52 UTC
Last seen
May 12, 2026 · 00:06 UTC
Last changed
May 12, 2026 · 00:06 UTC

Open in San Francisco source →

Data-quality checks1 of 12 flagged

1 of 12 data-quality checks flagged on this permit. Detail below.

Valuation is placeholder
valuation_usd_is_placeholder

valuation_usd matched a known placeholder (often 0 or 1) used by the source when the real valuation wasn't reported.

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
Project timeline at this parcel

19 permits at this parcel (parcel 4106 176) · Jun 7, 2013 – Sep 2, 2021

  1. Sep 2, 2021This permitAlteration Commercial · Issued
  2. Nov 27, 20181529781491579Alteration Commercial · Issued$3,000
  3. Apr 25, 20171437655491579Alteration Commercial · Issued
  4. Aug 4, 20151383630491579Alteration Commercial · Finaled$10,000
  5. Jun 18, 20151385520491579Alteration Residential · Issued
  6. Jun 9, 20151384439491579Alteration Commercial · Finaled$5,500
  7. May 22, 20151382582491579Alteration Commercial · Finaled
  8. May 18, 20151381934491579Alteration Residential · Issued
  9. May 15, 20151381801491579Alteration Commercial · Issued$5,500
  10. May 7, 20151380578491579Alteration Commercial · Finaled$93,320
  11. Apr 13, 20151377791491579Alteration Commercial · Finaled$4,500
  12. Jan 10, 20141312854491579Alteration Commercial · Finaled$12,000
  13. Dec 5, 20131321179491579Alteration Commercial · Finaled
  14. Oct 29, 20131322301491579Alteration Commercial · Issued$8,760
  15. Aug 23, 20131315260491579Alteration Commercial · Issued$4,000
  16. Aug 9, 20131310928491579Alteration Commercial · Finaled
  17. Jul 29, 20131312491491579Alteration Commercial · Finaled$14,000
  18. Jun 14, 20131307313491579Alteration Commercial · Finaled$160,000
  19. Jun 7, 20131307308491579Alteration Residential · Issued$267

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

Developer details
Permit #
1621664491579
Canonical ID
6:1621664491579
Source permit ID
1621664491579
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