Permit Record

Residential

421 Decatur Street, Brooklyn, NY 11233

ClassificationOTMultifamily Alteration
Reliable valueNot in source
Permit record
Parties
Applicant
John Notarnicola
Owner
N/a
Architect
Not in source
Engineer
Not in source
Contractor license
0606548
Building & lot · PLUTO
Building class
C0
Zoning district
R6B
Lot area
1,750 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
3016770053
Climate zone (IECC)
4A
Roof area (est.)
604 sq ft
HVAC tonnage (est.)
4 tons
Building type
R
Building subtype
Not in source
Geocode & dates
Coordinates
40.6822, -73.9268
Geocode confidence
95%
Geocode source
Not in source
Issued
Nov 14, 2013
Applied
Nov 12, 2013
Work class
Residential
Status
Current status
issued
Source status
ISSUED
Expired
May 16, 2014
Provenance
First seen by PermitCore
May 2, 2026 · 17:24 UTC
Last seen
Jul 17, 2026 · 02:42 UTC
Last changed
May 2, 2026 · 17:24 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

3 permits at this parcel (parcel 3016770053) · Nov 14, 2013Nov 14, 2013

  1. Nov 14, 2013This permitOther · IssuedAjv Managing & Constructi
  2. Nov 14, 20131080533Other · IssuedKowal Construction CORP
  3. Nov 14, 2013legacy_jobs:2289528Alteration Residential · Issued$11,200

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

Other permits by Ajv Managing & Constructi

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Developer details
Permit #
969561
Canonical ID
1:969561
Source permit ID
969561
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