Permit Record

Alteration Commercial

171 Underhill Avenue, Brooklyn, NY

ClassificationA2Multifamily Alteration
Reliable value$2,000
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Not in source
Owner
N/a
Architect
Not in source
Engineer
Scott Schnall
Contractor license
Not in source
Building & lot · PLUTO
Building class
C2
Zoning district
R6B
Lot area
1,867 sq ft
Year built
1897
Units (total)
5
Units (residential)
4
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
3011660005
Climate zone (IECC)
4A
Roof area (est.)
673 sq ft
HVAC tonnage (est.)
4.5 tons
Building type
R
Building subtype
OTHERS
Geocode & dates
Coordinates
40.6757, -73.9665
Geocode confidence
95%
Geocode source
Not in source
Issued
Jul 16, 2003
Applied
Jun 30, 2003
Work class
Commercial
Description
Source description

COMBINE APTS AT 3RD FLOOR TO REDUCE OCCU PANCY FROM 5 TO 4 FAMILIES.

Status
Current status
finaled
Source status
SIGNED OFF
Finaled
Nov 24, 2003
Provenance
First seen by PermitCore
May 6, 2026 · 19:02 UTC
Last seen
Jun 10, 2026 · 18:58 UTC
Last changed
Jun 10, 2026 · 18:58 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

6 permits at this parcel (parcel 3011660005) · through Jul 16, 2003

  1. Jul 16, 2003This permitAlteration Commercial · Finaled$2,000
  2. Jul 16, 2003legacy_jobs:978396Alteration Commercial · Finaled$2,000
  3. Jul 16, 20031663305Other · IssuedOwner
  4. Jul 16, 20031663312MEP Plumbing · IssuedCta Plbg &Htg
  5. Date not usable in source823392MEP Plumbing · IssuedVerga & Company Contracting INC.
  6. Date not usable in source823349Other · IssuedAction Construction INC.

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

Developer details
Permit #
legacy_jobs:978387
Canonical ID
1:legacy_jobs:978387
Source permit ID
legacy_jobs:978387
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