Permit Record

Alteration Commercial

340A 9th Street, Brooklyn, NY

ClassificationA2Commercial Alteration
Reliable value$90,650
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Not in source
Owner
340A Park Slope, L.P.
Architect
Richard Kornblau
Engineer
Not in source
Contractor license
Not in source
Building & lot · PLUTO
Building class
S3
Zoning district
R6A
Lot area
1,427 sq ft
Year built
1921
Units (total)
4
Units (residential)
2
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
3010110022
Climate zone (IECC)
4A
Roof area (est.)
1,027 sq ft
HVAC tonnage (est.)
7 tons
Building type
R
Building subtype
OTHERS
Geocode & dates
Coordinates
40.6686, -73.9852
Geocode confidence
95%
Geocode source
Not in source
Issued
Feb 7, 2012
Applied
Nov 10, 2011
Work class
Commercial
Description
Source description

MODIFICATION TO BASEMENT DENTAL SUITE AS PER PLANS TO INCLUDE MECHANICAL AND PLUMBING WORK. NO CHANGE IN USE EGRESS OR OCCUPANCY. APPLICATION TO BE PROFESSIONALLY CERTIFIED.

Status
Current status
issued
Source status
PERMIT ISSUED - ENTIRE JOB/WORK
Provenance
First seen by PermitCore
May 6, 2026 · 18:50 UTC
Last seen
May 15, 2026 · 05:12 UTC
Last changed
May 6, 2026 · 18:50 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

11 permits at this parcel (parcel 3010110022) · Mar 27, 2003 – Feb 7, 2012

  1. Feb 7, 2012This permitAlteration Commercial · Issued$90,650
  2. Feb 7, 2012legacy_jobs:2035144Alteration Commercial · Issued$90,650
  3. Feb 7, 20122514770MEP Plumbing · IssuedC & T Plumbing & Htg INC
  4. Nov 14, 20112480733MEP Mechanical HVAC · IssuedD & D Development Group I
  5. Nov 14, 20112480725Other · IssuedD & D Development Group I
  6. Oct 28, 2003999515Other · IssuedGreenleaf Const
  7. Mar 27, 2003legacy_jobs:968769Alteration Residential · Finaled$10,000
  8. Mar 27, 20031089561Other · IssuedYork Construction
  9. Mar 27, 2003legacy_jobs:968778Alteration Residential · Finaled$10,000
  10. Date not in sourcelegacy_jobs:983048Alteration Residential · Issued$3,000
  11. Date not in sourcelegacy_jobs:983039Alteration Residential · Issued$3,000

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

Developer details
Permit #
legacy_jobs:1960856
Canonical ID
1:legacy_jobs:1960856
Source permit ID
legacy_jobs:1960856
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