Permit Record

Residential

750 Jefferson Avenue, Brooklyn, NY 11221

ClassificationOT
Reliable valueNot in source
ContractorGc Leader Construction CO →
Permit record
Parties
Contractor
Gc Leader Construction CO
Applicant
Grzegorz Czyzewski
Owner
Na
Architect
Not in source
Engineer
Not in source
Contractor license
0616553
Building & lot · PLUTO
Building class
B3
Zoning district
R6B
Lot area
2,000 sq ft
Year built
1899
Units (total)
2
Units (residential)
2
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
3016570039
Climate zone (IECC)
4A
Roof area (est.)
1,200 sq ft
HVAC tonnage (est.)
4 tons
Building type
R
Building subtype
Not in source
Geocode & dates
Coordinates
40.6859, -73.9275
Geocode confidence
95%
Geocode source
Not in source
Issued
May 22, 2017
Applied
May 22, 2017
Work class
Residential
Status
Current status
issued
Source status
ISSUED
Expired
Feb 19, 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

5 permits at this parcel (parcel 3016570039) · May 17, 2016 – May 22, 2017

  1. May 22, 2017This permitOther · IssuedGc Leader Construction CO
  2. May 25, 20163173790MEP Plumbing · IssuedAmd &.Associates INC
  3. May 25, 20163076952MEP Plumbing · IssuedAmd &.Associates INC
  4. May 25, 2016legacy_jobs:2667239Alteration Residential · Finaled$182,000
  5. May 17, 20163168310Other · IssuedWk Renovation CORP

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

Other permits by Gc Leader Construction CO

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Developer details
Permit #
3374139
Canonical ID
1:3374139
Source permit ID
3374139
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