Permit Record

New Construction Residential Sf

1 Helen St, #0, San Francisco, Ca, 94109

Classificationnew construction wood frameResidential New (Single-Family)
Reliable value$1,600,000
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)
1
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
0251 045
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
37.7908, -122.4161
Geocode confidence
95%
Geocode source
Not in source
Issued
May 15, 2026
Applied
Nov 15, 2023
Work class
Residential
Description
Source description

construct a new 4 story, single family dwelling with attached garage

Status
Current status
issued
Source status
issued
Provenance
First seen by PermitCore
May 2, 2026 · 23:53 UTC
Last seen
Jul 8, 2026 · 18:17 UTC
Last changed
Jul 8, 2026 · 18:17 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 0251 045) · May 15, 2026 – May 15, 2026

  1. May 15, 2026This permitNew Construction Residential Sf · Issued$1,600,000
  2. May 15, 20261688491420336Demolition · Issued$10,000

Full permit history at this parcel · as of Jul 10, 2026.

Developer details
Permit #
1682935420336
Canonical ID
6:1682935420336
Source permit ID
1682935420336
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