Permit Record

Building permit

2529 East 23 Street, Brooklyn, NY 11235

ClassificationOT
Reliable valueNot in source
ContractorConst Tech Syst INC
Permit record
Parties
Contractor
Const Tech Syst INC
Applicant
Gregory Lipin
Owner
Leonard Bernstein
Architect
Not in source
Engineer
Not in source
Contractor license
0017499
Building & lot · PLUTO
Building class
A1
Zoning district
R4
Lot area
2,500 sq ft
Year built
1920
Units (total)
1
Units (residential)
1
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
3074410563
Climate zone (IECC)
4A
Roof area (est.)
772 sq ft
HVAC tonnage (est.)
2.5 tons
Building type
R
Building subtype
Not in source
Geocode & dates
Coordinates
40.5902, -73.9467
Geocode confidence
95%
Geocode source
Not in source
Issued
Oct 27, 2006
Applied
Oct 27, 2006
Work class
Not in source
Status
Current status
issued
Source status
ISSUED
Expired
Mar 28, 2007
Provenance
First seen by PermitCore
May 2, 2026 · 17:25 UTC
Last seen
Jul 17, 2026 · 02:42 UTC
Last changed
May 2, 2026 · 17:25 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

8 permits at this parcel (parcel 3074410563) · Apr 28, 2000 – Oct 27, 2006

  1. Oct 27, 2006This permitOther · IssuedConst Tech Syst INC
  2. Oct 27, 2006legacy_jobs:1063188Alteration Residential · Finaled$30,000
  3. Oct 27, 2006legacy_jobs:1021636Alteration Residential · Finaled$30,000
  4. May 18, 2000legacy_jobs:866926Alteration Residential · Finaled$20,000
  5. May 18, 20001339029MEP Plumbing · IssuedMagor Plbg & Htg
  6. May 18, 2000legacy_jobs:900698Alteration Residential · Finaled$20,000
  7. Apr 28, 20001329190MEP Mechanical HVAC · IssuedIbm Ind INC
  8. Apr 28, 20001329186Other · IssuedIbm Ind INC

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

Other permits by Const Tech Syst INC

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Developer details
Permit #
977595
Canonical ID
1:977595
Source permit ID
977595
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