Permit Record

Alteration Residential

121 Avenue U, Brooklyn, NY

ClassificationAlteration
Reliable value$14,000
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Not in source
Owner
N/a
Architect
Robert Vergason
Engineer
Not in source
Contractor license
Not in source
Building & lot · PLUTO
Building class
S2
Zoning district
R5B
Lot area
2,000 sq ft
Year built
1931
Units (total)
3
Units (residential)
2
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
3070970044
Climate zone (IECC)
4A
Roof area (est.)
665 sq ft
HVAC tonnage (est.)
4.5 tons
Building type
R
Building subtype
1-2-3 FAMILY
Geocode & dates
Coordinates
40.5963, -73.9799
Geocode confidence
95%
Geocode source
Not in source
Issued
Apr 9, 2001
Applied
Jan 9, 2001
Work class
Residential
Description
Source description

ERECT NEW EXTENSION AT REAR OF BUILDING. ENLARGE EXISTING DOOR AT REAR

Status
Current status
issued
Source status
PERMIT ISSUED - ENTIRE JOB/WORK
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 3070970044) · Feb 27, 2001 – Apr 9, 2001

  1. Apr 9, 2001This permitAlteration Residential · Issued$14,000
  2. Apr 9, 2001legacy_jobs:915747Alteration Residential · Issued$14,000
  3. Apr 9, 20011385179MEP Plumbing · IssuedA G M Plbg & Htg INC
  4. Feb 27, 20011273860Other · IssuedB & B Contracting Services

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

Developer details
Permit #
legacy_jobs:881341
Canonical ID
1:legacy_jobs:881341
Source permit ID
legacy_jobs:881341
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