Permit Record

Construction Equipment

521 Lexington Avenue, Brooklyn, NY 11221

ClassificationConstruction Equipment
Reliable valueNot in source
ContractorMonadnock Construction INC
Permit record
Parties
Contractor
Monadnock Construction INC
Applicant
Peter Hansen
Owner
Lexington Ave. Hsq. CORP.
Architect
Not in source
Engineer
Not in source
Contractor license
Not in source
Building & lot · PLUTO
Building class
B1
Zoning district
R6B
Lot area
1,958 sq ft
Year built
1993
Units (total)
2
Units (residential)
2
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
3018010069
Climate zone (IECC)
4A
Roof area (est.)
920 sq ft
HVAC tonnage (est.)
3 tons
Building type
R
Building subtype
Not in source
Geocode & dates
Coordinates
40.6888, -73.9409
Geocode confidence
95%
Geocode source
Not in source
Issued
Not in source
Applied
Not in source
Work class
Not in source
Status
Current status
issued
Source status
ISSUED
Expired
Not in source
Provenance
First seen by PermitCore
May 2, 2026 · 16:24 UTC
Last seen
Jul 17, 2026 · 02:31 UTC
Last changed
Jul 17, 2026 · 02:31 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 3018010069)

  1. Date not usable in sourceThis permitConstruction Equipment · IssuedMonadnock Construction INC
  2. Date not usable in source262887Construction Equipment · IssuedMonadnock Construction INC
  3. Date not usable in source130304Construction Equipment · IssuedNbi Equipment CORP
  4. Date not usable in source174094Construction Equipment · IssuedNbi Equipment CORP
  5. Date not usable in source174096Demolition · IssuedNbi Equipment CORP

Full permit history at this parcel · as of Jul 19, 2026.

Other permits by Monadnock Construction INC

Showing up to 12 most-recent permits by this contractor in the indexed window

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Developer details
Permit #
347370
Canonical ID
1:347370
Source permit ID
347370
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