Permit Record

MEP Mechanical HVAC

345 Avenue X, Brooklyn, NY 11223

ClassificationMHMultifamily Alteration
Reliable valueNot in source
ContractorMarkell INC.
Permit record
Parties
Contractor
Markell INC.
Applicant
Edward Kovalshuk
Owner
N/a
Architect
Not in source
Engineer
Not in source
Contractor license
0021772
Building & lot · PLUTO
Building class
S9
Zoning district
R4
Lot area
2,000 sq ft
Year built
1931
Units (total)
4
Units (residential)
2
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
3071760047
Climate zone (IECC)
4A
Roof area (est.)
713 sq ft
HVAC tonnage (est.)
5 tons
Building type
R
Building subtype
Not in source
Geocode & dates
Coordinates
40.5906, -73.9701
Geocode confidence
95%
Geocode source
Not in source
Issued
Sep 7, 2001
Applied
Sep 7, 2001
Work class
Not in source
Status
Current status
issued
Source status
ISSUED
Expired
Mar 22, 2002
Provenance
First seen by PermitCore
May 2, 2026 · 14:38 UTC
Last seen
Jul 17, 2026 · 17:03 UTC
Last changed
May 2, 2026 · 14:38 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

6 permits at this parcel (parcel 3071760047) · Sep 7, 2001 – Jun 1, 2005

  1. Jun 1, 2005legacy_jobs:1026006Alteration Commercial · Issued$50,000
  2. Jun 1, 2005303920Other · IssuedRichy INC
  3. Sep 7, 20011461032Other · IssuedMarkell INC.
  4. Sep 7, 2001This permitMEP Mechanical HVAC · IssuedMarkell INC.
  5. Date not in sourcelegacy_jobs:923496Alteration Residential · Issued$25,000
  6. Date not in sourcelegacy_jobs:888729Alteration Residential · Issued$25,000

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

Other permits by Markell INC.

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Developer details
Permit #
1461017
Canonical ID
1:1461017
Source permit ID
1461017
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