Permit Record

Mechanical Systems

80 Cornelia Street, Brooklyn, NY 11221

ClassificationHVAC / Mechanical
Reliable valueNot in source
ContractorArkenstone Builders INC →
Permit record
Parties
Contractor
Arkenstone Builders INC
Applicant
Hina Singla
Owner
Rdg
Architect
Not in source
Engineer
Not in source
Contractor license
626690
Building & lot · PLUTO
Building class
R6
Zoning district
R6
Lot area
2,000 sq ft
Year built
1979
Units (total)
3
Units (residential)
3
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
3033817501
Climate zone (IECC)
4A
Roof area (est.)
419 sq ft
HVAC tonnage (est.)
6 tons
Building type
R
Building subtype
Not in source
Geocode & dates
Coordinates
40.6894, -73.9163
Geocode confidence
95%
Geocode source
Not in source
Issued
Apr 1, 2026
Applied
Not in source
Work class
Not in source
Description
Source description

LEGALIZATION & INSTALLATION OF HEATING, VENTILATION, AIR CONDITIONING SYSTEM WITH ASSOCIATED DUCTS AND PIPING

Status
Current status
finaled
Source status
Signed-off
Finaled
Jan 16, 2026
Expired
Mar 27, 2027
Provenance
First seen by PermitCore
May 2, 2026 · 09:52 UTC
Last seen
Jun 8, 2026 · 19:28 UTC
Last changed
Jun 8, 2026 · 19:28 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.

Valuation is placeholder
valuation_usd_is_placeholder

valuation_usd matched a known placeholder (often 0 or 1) used by the source when the real valuation 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
  • Residential units is placeholder
  • Total units out of bounds
  • Total units is placeholder
  • Valuation out of bounds
Project timeline at this parcel

9 permits at this parcel (parcel 3033817501) · Jan 14, 2020 – Apr 1, 2026

  1. Apr 1, 2026This permitMEP Mechanical HVAC · FinaledArkenstone Builders INC
  2. May 21, 2025987656733Alteration Residential · Finaled$422,720Rishon Homes CORP
  3. May 21, 2025987656733Alteration Residential · Finaled$422,720Rishon Homes CORP
  4. Jan 7, 2025917556225Alteration Residential · Finaled$422,720A & I Developers INC
  5. Jan 7, 2025917556225Alteration Residential · Finaled$422,720A & I Developers INC
  6. Dec 12, 2024229191104Alteration Residential · Finaled$88,000Vmc Plumbing & Heating In
  7. Sep 16, 2024153962348Alteration Residential · Finaled$422,720A & I Developers INC
  8. Sep 16, 2024153962348Alteration Residential · Finaled$422,720A & I Developers INC
  9. Jan 14, 2020922085209MEP Plumbing · Issued$48,200Zone Plumbing & Heating C

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

Other permits by Arkenstone Builders INC

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Developer details
Permit #
577827670|Mechanical Systems
Canonical ID
1:577827670|Mechanical Systems
Source permit ID
577827670|Mechanical Systems
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