Permit Record

Residential

831 73rd Street, Brooklyn, NY 11228

ClassificationOT
Reliable valueNot in source
ContractorJadestone Construction In →
Permit record
Parties
Contractor
Jadestone Construction In
Applicant
Ke Xu
Owner
N/a
Architect
Not in source
Engineer
Not in source
Contractor license
0619079
Building & lot · PLUTO
Building class
B1
Zoning district
R4-1
Lot area
2,433 sq ft
Year built
1925
Units (total)
2
Units (residential)
2
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
3059120069
Climate zone (IECC)
4A
Roof area (est.)
1,048 sq ft
HVAC tonnage (est.)
3.5 tons
Building type
R
Building subtype
Not in source
Geocode & dates
Coordinates
40.6276, -74.0164
Geocode confidence
95%
Geocode source
Not in source
Issued
Sep 17, 2021
Applied
Sep 17, 2021
Work class
Residential
Status
Current status
issued
Source status
ISSUED
Expired
Sep 14, 2022
Provenance
First seen by PermitCore
May 2, 2026 · 16:46 UTC
Last seen
Jul 17, 2026 · 02:34 UTC
Last changed
May 2, 2026 · 16:46 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

5 permits at this parcel (parcel 3059120069) · Jan 6, 2021 – Sep 17, 2021

  1. Sep 17, 2021This permitOther · IssuedJadestone Construction In
  2. Jul 20, 2021553474314MEP Plumbing · Finaled$31,500Tri State Plbg & Htg INC
  3. Jan 11, 2021497333951MEP Plumbing · Finaled$31,500Tri State Plbg & Htg INC
  4. Jan 6, 20213819686Other · IssuedJadestone Construction In
  5. Jan 6, 2021legacy_jobs:3326356Alteration Residential · Finaled$96,400

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

Other permits by Jadestone Construction In

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Developer details
Permit #
3871663
Canonical ID
1:3871663
Source permit ID
3871663
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