Permit Record

Alteration Residential

321 St Marks Avenue, Brooklyn, NY

ClassificationA3Residential Alteration
Reliable valueNot in source
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Not in source
Owner
N/a
Architect
Not in source
Engineer
Shahriar Afshari
Contractor license
Not in source
Building & lot · PLUTO
Building class
B2
Zoning district
R6B
Lot area
1,419 sq ft
Year built
2007
Units (total)
2
Units (residential)
2
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
3011460044
Climate zone (IECC)
4A
Roof area (est.)
1,275 sq ft
HVAC tonnage (est.)
4.5 tons
Building type
R
Building subtype
1-2-3 FAMILY
Geocode & dates
Coordinates
40.6777, -73.9646
Geocode confidence
95%
Geocode source
Not in source
Issued
Apr 21, 2009
Applied
Apr 18, 2006
Work class
Residential
Description
Source description

BNP 06-337 25 FT FRONTAGE,NB #302 085 384

Status
Current status
finaled
Source status
SIGNED OFF
Finaled
Aug 7, 2009
Provenance
First seen by PermitCore
May 6, 2026 · 18:43 UTC
Last seen
Jun 7, 2026 · 14:33 UTC
Last changed
Jun 7, 2026 · 14:33 UTC
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
Developer details
Permit #
legacy_jobs:1051236
Canonical ID
1:legacy_jobs:1051236
Source permit ID
legacy_jobs:1051236
Browse New York City permits in the Market Explorer →Pull this permit via /v1/permits →