Permit Record

Residential

421 51st Street, Brooklyn, NY 11220

ClassificationOT
Reliable valueNot in source
ContractorComplex Development INC →
Permit record
Parties
Contractor
Complex Development INC
Applicant
John Gomez
Owner
N/a
Architect
Not in source
Engineer
Not in source
Contractor license
0620081
Building & lot · PLUTO
Building class
B9
Zoning district
R6B
Lot area
2,003 sq ft
Year built
1901
Units (total)
2
Units (residential)
2
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
3007910069
Climate zone (IECC)
4A
Roof area (est.)
1,296 sq ft
HVAC tonnage (est.)
4.5 tons
Building type
R
Building subtype
Not in source
Geocode & dates
Coordinates
40.6455, -74.0124
Geocode confidence
95%
Geocode source
Not in source
Issued
Aug 28, 2019
Applied
Aug 28, 2019
Work class
Residential
Status
Current status
issued
Source status
ISSUED
Expired
Jan 14, 2020
Provenance
First seen by PermitCore
May 2, 2026 · 16:35 UTC
Last seen
Jul 17, 2026 · 02:33 UTC
Last changed
May 2, 2026 · 16:35 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 3007910069) · Mar 19, 2018 – Aug 28, 2019

  1. Aug 28, 2019This permitOther · IssuedComplex Development INC
  2. Jan 7, 20191823500Other · IssuedJelm Contractor CORP
  3. Dec 27, 2018643565MEP Plumbing · IssuedAdvanced P,mech & Spr Cor
  4. Nov 20, 20181487053Other · IssuedBrick By Brick Constructi
  5. Oct 17, 2018legacy_jobs:3054534Alteration Residential · Finaled$30,800
  6. Oct 17, 2018legacy_jobs:3054543Alteration Residential · Finaled$30,800
  7. Oct 17, 2018200682Alteration Commercial · IssuedAdvanced P,mech & Sprk CO
  8. Aug 8, 20183612622MEP Plumbing · IssuedJmw Plumbing, INC
  9. Mar 30, 2018legacy_jobs:2982041Alteration Residential · Finaled$120,000
  10. Mar 30, 20183543676MEP Plumbing · IssuedKatan P & H INC
  11. Mar 19, 20183536326Other · IssuedMaxwell Carpentry CORP

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

Other permits by Complex Development INC

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Developer details
Permit #
3680840
Canonical ID
1:3680840
Source permit ID
3680840
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