Permit Record

New Construction Unknown

452 Carlton Avenue, Brooklyn, NY 11238

ClassificationNew Construction Unknown
Reliable valueNot in source
ContractorMonadnock Construction,inc
Permit record
Parties
Contractor
Monadnock Construction,inc
Applicant
Peter Hansen
Owner
Nyc Hpd
Architect
Not in source
Engineer
Not in source
Contractor license
Not in source
Building & lot · PLUTO
Building class
C0
Zoning district
R7-2
Lot area
1,960 sq ft
Year built
1996
Units (total)
3
Units (residential)
3
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
3020060167
Climate zone (IECC)
4A
Roof area (est.)
675 sq ft
HVAC tonnage (est.)
4.5 tons
Building type
R
Building subtype
Not in source
Geocode & dates
Coordinates
40.6839, -73.9710
Geocode confidence
95%
Geocode source
Not in source
Issued
Not in source
Applied
Not in source
Work class
Residential
Status
Current status
issued
Source status
ISSUED
Expired
Not in source
Provenance
First seen by PermitCore
May 2, 2026 · 17:12 UTC
Last seen
Jul 17, 2026 · 02:39 UTC
Last changed
Jul 16, 2026 · 23:12 UTC
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

7 permits at this parcel (parcel 3020060167)

  1. Date not usable in source899028MEP Plumbing · IssuedMedco Plumbing INC
  2. Date not usable in source899669MEP Plumbing · IssuedMedco Plumbing INC
  3. Date not usable in source797972MEP Plumbing · IssuedMedco Plumbing INC
  4. Date not usable in source797977MEP Plumbing · IssuedMedco Plumbing INC
  5. Date not usable in source580346New Construction Unknown · IssuedMonadnock Construction,inc
  6. Date not usable in sourceThis permitNew Construction Unknown · IssuedMonadnock Construction,inc
  7. Date not usable in source753727New Construction Unknown · IssuedMonadnock Construction,inc

Full permit history at this parcel · as of Jul 18, 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 #
753728
Canonical ID
1:753728
Source permit ID
753728
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