Permit Record

Alteration Commercial

5810 21 Avenue, Brooklyn, NY 11204

ClassificationAlteration
Reliable valueNot in source
ContractorSeamless Builders INC →
Permit record
Parties
Contractor
Seamless Builders INC
Applicant
Dov Schapira
Owner
Na
Architect
Not in source
Engineer
Not in source
Contractor license
0619839
Building & lot · PLUTO
Building class
A4
Zoning district
R5
Lot area
2,481 sq ft
Year built
1931
Units (total)
1
Units (residential)
1
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
3055070040
Climate zone (IECC)
4A
Roof area (est.)
1,640 sq ft
HVAC tonnage (est.)
5.5 tons
Building type
R
Building subtype
Not in source
Geocode & dates
Coordinates
40.6191, -73.9796
Geocode confidence
95%
Geocode source
Not in source
Issued
Jan 25, 2022
Applied
Aug 10, 2018
Work class
Residential
Status
Current status
issued
Source status
ISSUED
Expired
Oct 23, 2022
Provenance
First seen by PermitCore
May 2, 2026 · 16:32 UTC
Last seen
Jul 17, 2026 · 02:32 UTC
Last changed
May 3, 2026 · 03:30 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

14 permits at this parcel (parcel 3055070040) · Sep 2, 2015 – Jan 25, 2022

  1. Jan 25, 2022This permitAlteration Commercial · IssuedSeamless Builders INC
  2. May 7, 2018legacy_jobs:3014793Alteration Residential · Finaled
  3. Sep 12, 20173439632Construction Equipment · IssuedGcb INC
  4. Sep 12, 20173439633Alteration Commercial · IssuedGcb INC
  5. Aug 17, 20173425821Alteration Commercial · IssuedGcb INC
  6. Jul 18, 20173406975MEP Plumbing · IssuedCreative Mechanical INC
  7. Aug 31, 20163229483Alteration Commercial · IssuedGreenfield Custom Builder
  8. Aug 31, 20163229477Construction Equipment · IssuedGreenfield Custom Builder
  9. Apr 8, 20163146330MEP Plumbing · IssuedTw Plumbing & Heating INC
  10. Apr 8, 2016legacy_jobs:2492358Alteration Residential · Issued$379,049
  11. Apr 8, 2016legacy_jobs:2492367Alteration Residential · Finaled$379,049
  12. Apr 8, 2016legacy_jobs:2439633Alteration Residential · Issued$379,049
  13. Oct 15, 20153053520Alteration Commercial · IssuedGreenfield Custom Builder
  14. Sep 2, 20153027989Construction Equipment · IssuedGreenfield Custom Builder

Full permit history at this parcel · as of Jul 18, 2026.

Other permits by Seamless Builders INC

Showing up to 12 most-recent permits by this contractor in the indexed window

No other permits by this contractor in the indexed window.
Developer details
Permit #
3614512
Canonical ID
1:3614512
Source permit ID
3614512
Browse New York City permits in the Market Explorer →Pull this permit via /v1/permits →