Permit Record

Alteration Commercial

280 East 21 Street, Brooklyn, NY 11226

ClassificationALMultifamily Alteration
Reliable valueNot in source
ContractorUn Gelt Rlty CORP
Permit record
Parties
Contractor
Un Gelt Rlty CORP
Applicant
David Sommerstein
Owner
280 East 21 Street
Architect
Not in source
Engineer
Not in source
Contractor license
0999993
Building & lot · PLUTO
Building class
D1
Zoning district
R7A
Lot area
10,605 sq ft
Year built
1924
Units (total)
68
Units (residential)
68
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
3051010044
Climate zone (IECC)
4A
Roof area (est.)
5,213 sq ft
HVAC tonnage (est.)
77 tons
Building type
R
Building subtype
Not in source
Geocode & dates
Coordinates
40.6477, -73.9595
Geocode confidence
95%
Geocode source
Not in source
Issued
Mar 11, 2003
Applied
Mar 11, 2003
Work class
Residential
Status
Current status
issued
Source status
ISSUED
Expired
Mar 10, 2004
Provenance
First seen by PermitCore
May 2, 2026 · 17:01 UTC
Last seen
Jul 17, 2026 · 02:37 UTC
Last changed
May 3, 2026 · 03:46 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

24 permits at this parcel (parcel 3051010044) · Mar 11, 2003 – Jan 10, 2020

  1. Jan 10, 20203725903Other · IssuedSacon Enterprises Limited
  2. Jan 10, 2020legacy_jobs:3178603Alteration Residential · Issued$60,000
  3. Jan 10, 2020legacy_jobs:3180258Alteration Residential · Issued$60,000
  4. Jul 12, 2019legacy_jobs:3140978Alteration Residential · Finaled$45,800
  5. Jul 12, 20193661882Other · IssuedRosul Contracting CORP
  6. Jun 20, 20192801920Other · IssuedSacon Enterprises Limited
  7. May 14, 20183567935Other · IssuedAssociated Building Const
  8. Aug 29, 20173432949Other · IssuedAssociated Building Const
  9. Jun 17, 20163186204Other · IssuedJct Development Ny INC
  10. Jan 15, 20163101731Other · IssuedAssociated Building Const
  11. Jul 17, 20091289121MEP Plumbing · IssuedJoseph Ferrigno P&h CO
  12. Jul 17, 2009legacy_jobs:1732450Alteration Residential · Issued$15,000
  13. Mar 11, 2003legacy_jobs:966025Alteration Residential · Issued$100
  14. Mar 11, 2003legacy_jobs:966016Alteration Residential · Issued$100
  15. Mar 11, 2003This permitAlteration Commercial · IssuedUn Gelt Rlty CORP
  16. Date not in sourcelegacy_jobs:2617187Alteration Residential · Issued$5,000
  17. Date not in sourcelegacy_jobs:3018070Alteration Residential · Issued$25,000
  18. Date not in sourcelegacy_jobs:2836860Alteration Residential · Issued$25,000
  19. Date not in sourcelegacy_jobs:2690154Alteration Residential · Issued$14,000
  20. Date not in sourcelegacy_jobs:2690163Alteration Residential · Issued$14,000
  21. Date not in sourcelegacy_jobs:2901997Alteration Residential · Issued$25,000
  22. Date not in sourcelegacy_jobs:3133527Alteration Residential · Issued$25,000
  23. Date not in sourcelegacy_jobs:2615169Alteration Residential · Pending$5,000
  24. Date not in sourcelegacy_jobs:3018061Alteration Residential · Issued$25,000

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

Other permits by Un Gelt Rlty CORP

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Developer details
Permit #
554088
Canonical ID
1:554088
Source permit ID
554088
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