Permit Record

Alteration Residential

1271 50 Street, Brooklyn, NY

ClassificationA2Multifamily Alteration
Reliable value$30,000
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Not in source
Owner
Leib Simpson
Architect
Ernest Keller
Engineer
Not in source
Contractor license
Not in source
Building & lot · PLUTO
Building class
C0
Zoning district
C4-3
Lot area
2,003 sq ft
Year built
1940
Units (total)
3
Units (residential)
3
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
3056410048
Climate zone (IECC)
4A
Roof area (est.)
678 sq ft
HVAC tonnage (est.)
4.5 tons
Building type
R
Building subtype
1-2-3 FAMILY
Geocode & dates
Coordinates
40.6349, -73.9934
Geocode confidence
95%
Geocode source
Not in source
Issued
Jul 17, 2009
Applied
Aug 12, 2005
Work class
Residential
Description
Source description

Lowering basement floor level and install stairs to create passage to ce ADJACENT BUILDING, PARTITION WORKAS PER PLAN. "NO CHANGE TO USE, OR OCCUPANCY OF BUILDING"

Status
Current status
finaled
Source status
SIGNED OFF
Finaled
Sep 14, 2009
Provenance
First seen by PermitCore
May 6, 2026 · 18:43 UTC
Last seen
Jun 7, 2026 · 14:32 UTC
Last changed
Jun 7, 2026 · 14:32 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

9 permits at this parcel (parcel 3056410048) · Jun 20, 2007 – Jul 17, 2009

  1. Jul 17, 2009This permitAlteration Residential · Finaled$30,000
  2. Jul 17, 2009legacy_jobs:1032256Alteration Residential · Finaled$30,000
  3. Jul 17, 20091254164MEP Mechanical HVAC · IssuedDouble Gg Construction In
  4. Feb 12, 2009342553MEP Plumbing · IssuedStuart Wachtel & Son INC
  5. Feb 12, 2009legacy_jobs:1665603Alteration Residential · Finaled$16,000
  6. Feb 11, 2009327034MEP Mechanical HVAC · IssuedDouble Gg Construction In
  7. Jan 2, 20092143754Other · IssuedDouble Gg Construction In
  8. May 7, 20082039895Other · IssuedDuble Gg Construction INC
  9. Jun 20, 200740580Other · IssuedDuble Gg Construction INC

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

Developer details
Permit #
legacy_jobs:1032265
Canonical ID
1:legacy_jobs:1032265
Source permit ID
legacy_jobs:1032265
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