Permit Record

Alteration Residential

643 Knickerbocker Av, Brooklyn, NY

ClassificationA2Multifamily Alteration
Reliable value$5,000
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Not in source
Owner
Red Development INC.
Architect
Not in source
Engineer
Kenneth Philogene
Contractor license
Not in source
Building & lot · PLUTO
Building class
C2
Zoning district
R6
Lot area
1,750 sq ft
Year built
1915
Units (total)
5
Units (residential)
5
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
3033650109
Climate zone (IECC)
4A
Roof area (est.)
975 sq ft
HVAC tonnage (est.)
6.5 tons
Building type
R
Building subtype
OTHERS
Geocode & dates
Coordinates
40.6955, -73.9124
Geocode confidence
95%
Geocode source
Not in source
Issued
Apr 22, 2019
Applied
Jun 13, 2018
Work class
Residential
Description
Source description

INSTALLATION OF AUTOMATIC SMOKE/HEAT/CO DETECTION AND SPRINKLER ALARM SYSTEM

Status
Current status
finaled
Source status
SIGNED OFF
Finaled
Nov 5, 2020
Provenance
First seen by PermitCore
May 6, 2026 · 18:56 UTC
Last seen
May 15, 2026 · 05:34 UTC
Last changed
May 6, 2026 · 18:56 UTC

Open in New York City 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

13 permits at this parcel (parcel 3033650109) · Nov 13, 2018 – Apr 22, 2019

  1. Apr 22, 2019This permitAlteration Residential · Finaled$5,000
  2. Apr 22, 2019legacy_jobs:3032739Alteration Residential · Finaled$5,000
  3. Apr 12, 2019829008Alteration Commercial · IssuedCity Builders INC
  4. Feb 26, 2019legacy_jobs:2985047Alteration Residential · Finaled$851,459
  5. Feb 26, 20193644220MEP Plumbing · IssuedPlbg INC
  6. Jan 14, 2019103568580Scaffold · Finaled$5,000Billy Enterprises INC
  7. Jan 11, 2019842513940Sidewalk Shed · Finaled$5,000Billy Enterprises INC
  8. Nov 14, 20181238159Alteration Commercial · IssuedCity Builders INC
  9. Nov 14, 2018787355504Sidewalk Shed · Finaled$5,000Billy Enterprises INC
  10. Nov 13, 2018932202955Scaffold · Finaled$5,000Billy Enterprises INC
  11. Date not in sourcelegacy_jobs:3048283Alteration Commercial · Finaled
  12. Date not in sourcelegacy_jobs:3079729Alteration Commercial · Disapproved
  13. Date not in sourcelegacy_jobs:3032734Alteration Commercial · Finaled

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

Developer details
Permit #
legacy_jobs:2963186
Canonical ID
1:legacy_jobs:2963186
Source permit ID
legacy_jobs:2963186
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