Permit Record

Residential

631 Hancock St, Brooklyn, NY 11233

ClassificationOT
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
B9
Zoning district
R6B
Lot area
1,800 sq ft
Year built
2005
Units (total)
2
Units (residential)
2
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
3016560049
Climate zone (IECC)
4A
Roof area (est.)
1,080 sq ft
HVAC tonnage (est.)
3.5 tons
Building type
R
Building subtype
Not in source
Geocode & dates
Coordinates
40.6848, -73.9302
Geocode confidence
95%
Geocode source
Not in source
Issued
May 17, 2017
Applied
May 17, 2017
Work class
Residential
Status
Current status
issued
Source status
ISSUED
Expired
Feb 25, 2018
Provenance
First seen by PermitCore
May 2, 2026 · 16:19 UTC
Last seen
Jul 17, 2026 · 02:30 UTC
Last changed
May 2, 2026 · 16:19 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

11 permits at this parcel (parcel 3016560049) · Mar 28, 2003 – May 17, 2017

  1. May 17, 2017This permitOther · IssuedKtc Design Group INC
  2. Dec 15, 2016legacy_jobs:2763630Alteration Residential · Issued$10,000
  3. Dec 15, 20163287400Other · IssuedNyc Rigger Construction
  4. Dec 10, 20031676850New Construction Unknown · IssuedGdy Properties, INC.
  5. Dec 10, 20031676849Construction Equipment · IssuedGdy Properties, INC.
  6. Sep 17, 2003571382MEP Plumbing · IssuedFernandez Plumbing & Heating
  7. Sep 17, 2003legacy_jobs:966916New Construction Residential Sf · Finaled
  8. Jun 27, 20031654767Construction Equipment · IssuedGdy Properties, INC.
  9. Jun 27, 20031654773New Construction Unknown · IssuedGdy Properties, INC.
  10. Mar 28, 2003legacy_jobs:970379Alteration Residential · Finaled
  11. Mar 28, 2003legacy_jobs:970370Alteration Residential · Finaled

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 #
3371892
Canonical ID
1:3371892
Source permit ID
3371892
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