Permit Record

Alteration Residential

51 Duncan St, San Francisco, Ca, 94110

Classificationotc alterations permitResidential Alteration
Reliable value$20,025
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
6597 038
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
37.7462, -122.4213
Geocode confidence
95%
Geocode source
Not in source
Issued
Dec 19, 2025
Applied
Dec 19, 2025
Work class
Residential
Description
Source description

re-roofing: remove and replace roofing material / existing roofing material (in-kind)

Status
Current status
finaled
Source status
complete
Finaled
Jan 15, 2026
Provenance
First seen by PermitCore
May 2, 2026 · 23:53 UTC
Last seen
May 12, 2026 · 00:09 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

4 permits at this parcel (parcel 6597 038) · through Dec 19, 2025

  1. Dec 19, 2025This permitAlteration Residential · Finaled$20,025
  2. Sep 5, 20081148551208683Alteration Residential · Finaled$1,500
  3. Date not usable in source623193208683Alteration Residential · Expired$3,500
  4. Date not usable in source214667208683Alteration Residential · Finaled$2,950

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

Developer details
Permit #
1739420208683
Canonical ID
6:1739420208683
Source permit ID
1739420208683
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