Permit Record

Alteration Commercial

7721 Flatlands Avenue, Brooklyn, NY 11236

ClassificationALCommercial Alteration
Reliable valueNot in source
ContractorDouble D Constractors INC
Permit record
Parties
Contractor
Double D Constractors INC
Applicant
Douglas Dervin
Owner
Zeta Enterprise
Architect
Not in source
Engineer
Not in source
Contractor license
0
Building & lot · PLUTO
Building class
K1
Zoning district
R5D
Lot area
7,200 sq ft
Year built
1931
Units (total)
1
Units (residential)
0
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
3079980001
Climate zone (IECC)
4A
Roof area (est.)
5,850 sq ft
HVAC tonnage (est.)
14.5 tons
Building type
M
Building subtype
Not in source
Geocode & dates
Coordinates
40.6342, -73.9153
Geocode confidence
95%
Geocode source
Not in source
Issued
Not in source
Applied
Not in source
Work class
Not in source
Status
Current status
issued
Source status
ISSUED
Expired
Not in source
Provenance
First seen by PermitCore
May 2, 2026 · 16:57 UTC
Last seen
Jul 17, 2026 · 02:36 UTC
Last changed
May 3, 2026 · 03:44 UTC

Open in New York City source →

Data-quality checks1 of 12 flagged

1 of 12 data-quality checks flagged on this permit. Detail below.

Residential units is placeholder
units_residential_is_placeholder

units_residential matched a known placeholder value used by the source when the field wasn't reported.

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
  • Total units out of bounds
  • Total units is placeholder
  • Valuation out of bounds
  • Valuation is placeholder
Project timeline at this parcel

10 permits at this parcel (parcel 3079980001) · through Jan 14, 2009

  1. Jan 14, 2009legacy_jobs:1658288Alteration Commercial · Issued$63,000
  2. Jan 14, 200933838Alteration Commercial · IssuedAriana Contracting INC
  3. Jan 14, 2009legacy_jobs:1658297Alteration Commercial · Issued$63,000
  4. Jan 14, 200934088MEP Plumbing · IssuedAriana Contracting INC
  5. Date not usable in sourceThis permitAlteration Commercial · IssuedDouble D Constractors INC
  6. Date not usable in source421004MEP Mechanical HVAC · IssuedDouble 'D' Contractors INC.
  7. Date not usable in source320438MEP Mechanical HVAC · IssuedDouble 'D' Contractors INC.
  8. Date not usable in source395862Other · IssuedDouble 'D' Contractors INC.
  9. Date not in sourcelegacy_jobs:1040580Alteration Commercial · Pending$18,000
  10. Date not in sourcelegacy_jobs:1040589Alteration Commercial · Pending$18,000

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

Other permits by Double D Constractors INC

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Developer details
Permit #
472378
Canonical ID
1:472378
Source permit ID
472378
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