Permit Record

Alteration Residential

3172 21st St, San Francisco, Ca, 94110

Classificationotc alterations permitMultifamily Alteration
Reliable value$2,000
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)
7
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
3610 018
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
apartments
Geocode & dates
Coordinates
37.7573, -122.4184
Geocode confidence
95%
Geocode source
Not in source
Issued
Jan 9, 2018
Applied
Jan 9, 2018
Work class
Residential
Description
Source description

repair in-kind exterior stair case and deck; less than 50%.

Status
Current status
finaled
Source status
complete
Finaled
Mar 12, 2018
Provenance
First seen by PermitCore
May 2, 2026 · 23:52 UTC
Last seen
May 12, 2026 · 00:03 UTC
Last changed
May 12, 2026 · 00:03 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 3610 018) · through Jan 9, 2018

  1. Jan 9, 2018This permitAlteration Residential · Finaled$2,000
  2. Apr 21, 20171460331388394Alteration Residential · Finaled$4,000
  3. Oct 20, 20091187982388395Alteration Residential · Issued
  4. Jun 2, 2003945881161906Alteration Residential · Finaled$1,500
  5. Jun 2, 2003945882260929Alteration Residential · Finaled$1,500
  6. Dec 10, 2001896304161906Alteration Residential · Finaled
  7. Oct 11, 2000832519388395Alteration Residential · Expired
  8. Oct 11, 2000832517388394Alteration Residential · Expired
  9. Oct 5, 2000832233248369Alteration Commercial · Expired$40,000
  10. Date not usable in source585634248369Alteration Residential · Expired$13,500
  11. Date not usable in source65447260927Alteration Residential · Finaled$25,000

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

Developer details
Permit #
1492942161906
Canonical ID
6:1492942161906
Source permit ID
1492942161906
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