Permit Record

Building permit

480 Knickerbocker Avenue, Brooklyn, NY 11237

ClassificationOT
Reliable valueNot in source
ContractorRji Mechanical INC
Permit record
Parties
Contractor
Rji Mechanical INC
Applicant
John Koziarz
Owner
Nycddc
Architect
Not in source
Engineer
Not in source
Contractor license
0602105
Building & lot · PLUTO
Building class
Y2
Zoning district
R6
Lot area
49,500 sq ft
Year built
1983
Units (total)
0
Units (residential)
0
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
3033070022
Climate zone (IECC)
4A
Roof area (est.)
4,495 sq ft
HVAC tonnage (est.)
70.5 tons
Building type
B
Building subtype
Not in source
Geocode & dates
Coordinates
40.6985, -73.9178
Geocode confidence
95%
Geocode source
Not in source
Issued
Nov 27, 2009
Applied
Nov 27, 2009
Work class
Not in source
Status
Current status
issued
Source status
ISSUED
Expired
Dec 1, 2010
Provenance
First seen by PermitCore
May 2, 2026 · 15:16 UTC
Last seen
Jul 17, 2026 · 17:34 UTC
Last changed
May 2, 2026 · 15:16 UTC

Open in New York City source →

Data-quality checks2 of 12 flagged

2 of 12 data-quality checks flagged on this permit. Detail below.

Residential units is placeholder
units_residential_is_placeholder

units_residential matched a known placeholder value used by the source when the field wasn't reported.

Total units is placeholder
units_total_is_placeholder

units_total matched a known placeholder value used by the source when the field 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
  • Total units out of bounds
  • Valuation out of bounds
  • Valuation is placeholder
Project timeline at this parcel

17 permits at this parcel (parcel 3033070022) · through Nov 27, 2009

  1. Nov 27, 2009This permitOther · IssuedRji Mechanical INC
  2. Apr 28, 2009legacy_jobs:1691865Alteration Commercial · Finaled$15,000
  3. Apr 28, 2009legacy_jobs:1691874Alteration Commercial · Finaled$15,000
  4. Apr 28, 20091765344Alteration Commercial · IssuedFiremasters
  5. Mar 10, 2009legacy_jobs:1666596Alteration Commercial · Finaled$450,000
  6. Mar 10, 2009716163Other · IssuedRji Mechanical INC
  7. Mar 10, 2009legacy_jobs:1606437Alteration Commercial · Finaled$450,000
  8. Mar 10, 2009legacy_jobs:1666587Alteration Commercial · Finaled$450,000
  9. Oct 4, 2000legacy_jobs:870138Alteration Commercial · Finaled$140,000
  10. Oct 4, 20001351454Alteration Commercial · IssuedNicholas Cantatore Angelo'S Fuel
  11. Oct 4, 20001351432Other · IssuedJames McCullagh INC
  12. Oct 4, 2000legacy_jobs:904059Alteration Commercial · Finaled$140,000
  13. Date not usable in source1240672Alteration Commercial · IssuedLeewen_contr CORP
  14. Date not usable in source990113MEP Plumbing · IssuedThomas F.cash & Sons INC
  15. Date not usable in source985346Other · IssuedWhitestone Construction
  16. Date not usable in source985349MEP Mechanical HVAC · IssuedWhitestone Construction
  17. Date not usable in source573300Other · IssuedThe Enviorision Group INC.

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

Other permits by Rji Mechanical INC

Showing up to 12 most-recent permits by this contractor in the indexed window

No other permits by this contractor in the indexed window.
Developer details
Permit #
2189244
Canonical ID
1:2189244
Source permit ID
2189244
Browse New York City permits in the Market Explorer →Pull this permit via /v1/permits →