Permit Record

General Construction

1721 Ditmas Avenue, Brooklyn, NY 11226

ClassificationAlteration
Reliable value$229,974
ContractorTop Build Contractors INC →
Permit record
Parties
Contractor
Top Build Contractors INC
Applicant
Yao J Zhang
Owner
Pr
Architect
Not in source
Engineer
Not in source
Contractor license
625552
Building & lot · PLUTO
Building class
A3
Zoning district
R1-2
Lot area
5,300 sq ft
Year built
1910
Units (total)
1
Units (residential)
1
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
3051810040
Climate zone (IECC)
4A
Roof area (est.)
1,941 sq ft
HVAC tonnage (est.)
6.5 tons
Building type
R
Building subtype
Not in source
Geocode & dates
Coordinates
40.6381, -73.9616
Geocode confidence
95%
Geocode source
Not in source
Issued
Oct 27, 2025
Applied
Not in source
Work class
Not in source
Description
Source description

INTERIOR RENOVATION OF EXISTING DETACHED 3 STORY FRAME ONE FAMILY DWELLING. SEE ATTACHED PLANS AND FILING SUBMITTED HEREWITH.

Status
Current status
issued
Source status
Permit Issued
Expired
Oct 27, 2026
Provenance
First seen by PermitCore
May 2, 2026 · 10:06 UTC
Last seen
May 12, 2026 · 00:12 UTC
Last changed
May 12, 2026 · 00:12 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

8 permits at this parcel (parcel 3051810040) · through Oct 27, 2025

  1. Oct 27, 2025This permitAlteration Commercial · Issued$229,974.5Top Build Contractors INC
  2. Oct 27, 2025860093414MEP Mechanical HVAC · Issued$229,974.5Top Build Contractors INC
  3. Sep 10, 2025789914424MEP Plumbing · Issued$72,100American Standard P&h Cor
  4. Jun 4, 2024529614351MEP Plumbing · Issued$72,100Kishan Plumbing INC
  5. Apr 2, 2024884018220Alteration Commercial · Issued$229,974.5Tb Modern Construction &
  6. Apr 2, 2024884018220MEP Mechanical HVAC · Issued$229,974.5Tb Modern Construction &
  7. Aug 18, 20001127586MEP Plumbing · IssuedBh Plumbing
  8. Date not usable in source1126856Other · IssuedPilgrim Christian Academy

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

Other permits by Top Build Contractors INC

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Developer details
Permit #
860093414|General Construction
Canonical ID
1:860093414|General Construction
Source permit ID
860093414|General Construction
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