Permit Record

Alteration Commercial

409 Kosciusko St, Brooklyn, NY 11221

ClassificationALMultifamily Alteration
Reliable valueNot in source
ContractorNortheast Brooklyn Housing/dev
Permit record
Parties
Contractor
Northeast Brooklyn Housing/dev
Applicant
Jeffrey Dunston
Owner
Northeast Bklyn Housing Develop.
Architect
Not in source
Engineer
Not in source
Contractor license
999993
Building & lot · PLUTO
Building class
C0
Zoning district
R6A
Lot area
1,875 sq ft
Year built
1899
Units (total)
3
Units (residential)
3
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
3016010050
Climate zone (IECC)
4A
Roof area (est.)
704 sq ft
HVAC tonnage (est.)
4.5 tons
Building type
R
Building subtype
Not in source
Geocode & dates
Coordinates
40.6921, -73.9385
Geocode confidence
95%
Geocode source
Not in source
Issued
Aug 24, 2018
Applied
Aug 24, 2018
Work class
Residential
Status
Current status
issued
Source status
ISSUED
Expired
Aug 24, 2019
Provenance
First seen by PermitCore
May 2, 2026 · 16:32 UTC
Last seen
Jul 17, 2026 · 02:32 UTC
Last changed
May 3, 2026 · 03:31 UTC
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
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Developer details
Permit #
3622320
Canonical ID
1:3622320
Source permit ID
3622320
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