Permit Record

Alteration Residential

345 Prospect Avenue, Brooklyn, NY

ClassificationA1Multifamily Alteration
Reliable value$10,000
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Not in source
Owner
Na
Architect
Van Brody
Engineer
Not in source
Contractor license
Not in source
Building & lot · PLUTO
Building class
B1
Zoning district
R5B
Lot area
3,025 sq ft
Year built
1987
Units (total)
2
Units (residential)
3
Units (commercial)
Not in source
Floor area
5,824 sq ft
Parcel & enrichment
Parcel APN
3010550043
Climate zone (IECC)
4A
Roof area (est.)
2,920 sq ft
HVAC tonnage (est.)
9.5 tons
Building type
R
Building subtype
1-2-3 FAMILY
Geocode & dates
Coordinates
40.6620, -73.9870
Geocode confidence
95%
Geocode source
Not in source
Issued
Jun 6, 2001
Applied
Dec 29, 2000
Work class
Residential
Description
Source description

Convert from two to three family dwelling. Partition and plumbing work.

Status
Current status
finaled
Source status
SIGNED OFF
Finaled
Oct 11, 2002
Provenance
First seen by PermitCore
May 6, 2026 · 19:01 UTC
Last seen
Jun 10, 2026 · 18:52 UTC
Last changed
Jun 10, 2026 · 18:52 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

4 permits at this parcel (parcel 3010550043) · Jan 17, 2001 – Jun 6, 2001

  1. Jun 6, 2001This permitAlteration Residential · Finaled$10,000
  2. Jun 6, 2001legacy_jobs:915348Alteration Residential · Finaled$10,000
  3. Jun 6, 20011416078MEP Plumbing · IssuedG.A. Plbg, Htg, & Spkl INC.
  4. Jan 17, 2001194559Alteration Commercial · IssuedJbc Contracting CO INC

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

Developer details
Permit #
legacy_jobs:880962
Canonical ID
1:legacy_jobs:880962
Source permit ID
legacy_jobs:880962
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