Permit Record

Alteration Commercial

6501 7 Ave, Brooklyn, NY 11220

ClassificationALCommercial Alteration
Reliable valueNot in source
ContractorKtc Design Group INC →
Permit record
Parties
Contractor
Ktc Design Group INC
Applicant
Kam Di Cheung
Owner
N/a
Architect
Not in source
Engineer
Not in source
Contractor license
0617053
Building & lot · PLUTO
Building class
K1
Zoning district
M1-1
Lot area
10,578 sq ft
Year built
1981
Units (total)
1
Units (residential)
0
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
3058300006
Climate zone (IECC)
4A
Roof area (est.)
12,236 sq ft
HVAC tonnage (est.)
30.5 tons
Building type
M
Building subtype
Not in source
Geocode & dates
Coordinates
40.6338, -74.0148
Geocode confidence
95%
Geocode source
Not in source
Issued
May 2, 2017
Applied
May 2, 2017
Work class
Not in source
Status
Current status
issued
Source status
ISSUED
Expired
Feb 25, 2018
Provenance
First seen by PermitCore
May 2, 2026 · 16:18 UTC
Last seen
Jul 17, 2026 · 02:29 UTC
Last changed
May 3, 2026 · 03:24 UTC

Open in New York City source →

Data-quality checks1 of 12 flagged

1 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.

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
  • Total units is placeholder
  • Valuation out of bounds
  • Valuation is placeholder
Project timeline at this parcel

25 permits at this parcel (parcel 3058300006) · through May 2, 2017

  1. May 2, 2017This permitAlteration Commercial · IssuedKtc Design Group INC
  2. Nov 23, 20163275012Alteration Commercial · IssuedNyc Rigger Construction
  3. Nov 21, 2014legacy_jobs:2421420Alteration Commercial · Finaled$8,800
  4. Nov 21, 20142887437Alteration Commercial · IssuedPinnacle Plbg & Htg CORP
  5. Sep 15, 20142853287MEP Plumbing · IssuedSo Plumbing & Heating INC
  6. Apr 1, 20141783489MEP Plumbing · IssuedFleet Plbg And Htg INC
  7. Apr 1, 2014legacy_jobs:2278766Alteration Commercial · Finaled$55,000
  8. Apr 1, 2014legacy_jobs:2339389Alteration Commercial · Finaled$55,000
  9. Feb 13, 2014802293Construction Equipment · IssuedMillenium Builders & Deve
  10. Feb 13, 2014802234Alteration Commercial · IssuedMillenium Builders & Deve
  11. Dec 4, 20131899321Foundation Only · IssuedMillenium Builders & Deve
  12. Dec 4, 20131899208Construction Equipment · IssuedMillenium Builders & Deve
  13. Dec 4, 20131899264Foundation Only · IssuedMillenium Builders & Deve
  14. Dec 4, 2013legacy_jobs:2272927Alteration Commercial · Finaled$256,000
  15. Dec 4, 20131899399Alteration Commercial · IssuedMillenium Builders & Deve
  16. Oct 11, 2013legacy_jobs:2297528Alteration Commercial · Finaled
  17. Apr 26, 20132713858Other · IssuedSk One Construction INC
  18. Nov 2, 20001365908Alteration Commercial · IssuedActive Fire Extinguisher CO
  19. Feb 22, 20001294804Alteration Commercial · IssuedActive Fire Extinguisher INC.
  20. Date not usable in source407123MEP Mechanical HVAC · IssuedAmericana Dinner
  21. Date not in sourcelegacy_jobs:909033Alteration Commercial · Issued$1,800
  22. Date not in sourcelegacy_jobs:874900Alteration Commercial · Issued$1,800
  23. Date not in sourcelegacy_jobs:898193Alteration Commercial · Issued$1,800
  24. Date not in sourcelegacy_jobs:864512Alteration Commercial · Issued$1,800
  25. Date not in sourcelegacy_jobs:2232975Alteration Commercial · Issued$149,500

Full permit history at this parcel · as of Jul 19, 2026.

Other permits by Ktc Design Group INC

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Developer details
Permit #
3361901
Canonical ID
1:3361901
Source permit ID
3361901
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