Permit Record

Alteration Residential

18 Lansing St, #401, San Francisco, Ca, 94105

Classificationotc alterations permitMultifamily Alteration
Reliable value$7,000
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)
28
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
3749 159
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
37.7864, -122.3938
Geocode confidence
95%
Geocode source
Not in source
Issued
Dec 2, 2022
Applied
Dec 2, 2022
Work class
Residential
Description
Source description

we are installing a bison decking system over an already sealed roof. the project is creating a new roof deck.

Status
Current status
finaled
Source status
complete
Finaled
Jun 2, 2023
Provenance
First seen by PermitCore
May 2, 2026 · 23:52 UTC
Last seen
May 12, 2026 · 00:07 UTC
Last changed
May 12, 2026 · 00:07 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

2 permits at this parcel (parcel 3749 159) · Jan 10, 2019 – Dec 2, 2022

  1. Dec 2, 2022This permitAlteration Residential · Finaled$7,000
  2. Jan 10, 20191537633493239Alteration Residential · Issued$8,000

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

Developer details
Permit #
1657320493239
Canonical ID
6:1657320493239
Source permit ID
1657320493239
Browse San Francisco permits in the Market Explorer →Pull this permit via /v1/permits →