Two family brick

831 73 STREET

BROOKLYN · BIN 3147607

💬 Discuss this project

1925Year Built

2Stories

B1Building Class

R4-1Zoning

2,096 sfGross Floor Area

2Units

FDNY Report ↗

Two family brick · 2,433 sf lot · 0.86 FAR built · Flood zone X

Locations of Work

Plumbing

Cellar1p · 1 filing · 20 docs

▾Sales History (ACRIS)

Date	Price	Unit	Seller → Buyer	$/sf
11/16/2020	$1.4M	—	— → —	$656/sf building

▾Design Consultants (Architect / Engineer of Record)

Firm	Filings	Most Recent
A PLUS DESIGN INC	2	11/02/2021

▾Filing Representatives (Expediters)

Representative	Filings	Most Recent
A PLUS DESIGN INC.	4	03/21/2026

▾Contractors (License-Anchored)

Firm	Trade	Roles	Most Recent
TRI STATE PLBG & HTG INC	Plumbing	2	07/08/2026

▾Special Inspection Agencies

Agency	License #	Filings	Most Recent
A PLUS DESIGN INC	6615	2	11/02/2021

Building Lifecycle

All (17)Filed (2)Permit Issued (2)Signed Off (1)Special Inspection (12)

12/08/2021

Signed off — Alteration

PLUMBING WORK ON CEL, 1ST & 2ND FLOOR IN CONJUNCTION WITH ALT-2 APPLICATION #340792636. NO CHANGE IN USE GROUP, EGRESS AND OCCUPANCY. (TOTAL: EXISTING TWO FAMILY DWELLING UNITS UNDER CO#20806/1923)

B00435262-I1

11/03/2021

Special inspection requirement — Fire-Resistant Penetrations and Joints

HONGTENG CHEN

11/03/2021

Special inspection requirement — Energy Code Compliance Inspections

HONGTENG CHEN

11/03/2021

Special inspection requirement — HVAC and service water heating system controls

HONGTENG CHEN

11/03/2021

Special inspection requirement — HVAC and service water heating equipment

HONGTENG CHEN

11/03/2021

Special inspection requirement — HVAC insulation and sealing

HONGTENG CHEN

11/03/2021

Special inspection requirement — Maintenance information

HONGTENG CHEN

11/02/2021

Filed — Alteration

PLUMBING WORK ON CEL, 1ST & 2ND FLOOR IN CONJUNCTION WITH ALT-2 APPLICATION #340792636. NO CHANGE IN USE GROUP, EGRESS AND OCCUPANCY. (TOTAL: EXISTING TWO FAMILY DWELLING UNITS UNDER CO#20806/1923)

B00435262-P1

10/29/2021

Special inspection requirement — Fire-Resistant Penetrations and Joints

HONGTENG CHEN

10/29/2021

Special inspection requirement — Energy Code Compliance Inspections

HONGTENG CHEN

10/29/2021

Special inspection requirement — HVAC and service water heating equipment

HONGTENG CHEN

10/29/2021

Special inspection requirement — HVAC and service water heating system controls

HONGTENG CHEN

10/29/2021

Special inspection requirement — HVAC insulation and sealing

HONGTENG CHEN

10/29/2021

Special inspection requirement — Maintenance information

HONGTENG CHEN

07/20/2021

Permit issued — Plumbing

B00435262-I1-PL

01/11/2021

Permit issued — Plumbing

B00435262-I1-PL

01/06/2021

Filed — Alteration

PLUMBING WORK ON CEL, 1ST & 2ND FLOOR IN CONJUNCTION WITH ALT-2 APPLICATION #340792636. NO CHANGE IN USE GROUP, EGRESS AND OCCUPANCY. (TOTAL: EXISTING TWO FAMILY DWELLING UNITS UNDER CO#20806/1923)

B00435262-I1

Permit / Filing Register

Source	Work Type	Status	Applicant	Issued
DOB NOW	Plumbing	Signed-off	DW PLUMBING INC	07/20/2021
DOB NOW	Plumbing	Signed-off	DW PLUMBING INC	01/11/2021
BIS	OT	ISSUED	JADESTONE CONSTRUCTION IN	09/17/2021
BIS	OT	ISSUED	JADESTONE CONSTRUCTION IN	01/06/2021

1 project · most recent 01/08/2021

General Wiring

Filed	Status	Contractor	Scope
01/08/2021	Complete	J Y ELECTRIC INC	General Wiring

▾Special Inspection Requirements (DOB NOW) — 12

Date	Requirement	Inspector	Role
11/03/2021	Fire-Resistant Penetrations and Joints	HONGTENG CHEN	special
11/03/2021	Energy Code Compliance Inspections	HONGTENG CHEN	progress
11/03/2021	HVAC and service water heating system controls	HONGTENG CHEN	energy_progress
11/03/2021	HVAC and service water heating equipment	HONGTENG CHEN	energy_progress
11/03/2021	HVAC insulation and sealing	HONGTENG CHEN	energy_progress
11/03/2021	Maintenance information	HONGTENG CHEN	energy_progress
10/29/2021	Fire-Resistant Penetrations and Joints	HONGTENG CHEN	special
10/29/2021	Energy Code Compliance Inspections	HONGTENG CHEN	progress
10/29/2021	HVAC and service water heating equipment	HONGTENG CHEN	energy_progress
10/29/2021	HVAC and service water heating system controls	HONGTENG CHEN	energy_progress
10/29/2021	HVAC insulation and sealing	HONGTENG CHEN	energy_progress
10/29/2021	Maintenance information	HONGTENG CHEN	energy_progress

▾Documents — 42 on file (BIS + DOB NOW)

▸Plans & Drawings2

▸DOB NOWPlans/Sketch - Plumbing2

09/02/2026B00435262-I1Request digital key ↗

08/15/2026B00435262-P1Request digital key ↗

▸Applications & Permits4

▸BISPLAN / WORK APPROVAL APPLICATION3

11/29/2021340792636Open ↗

11/09/2021340792636Open ↗

12/31/2020340792636Open ↗

▸BISWORK PERMIT APPLICATION1

01/06/2021340792636Open ↗

▸Zoning, Tax Lot & Property Records3

▸DOB NOWRestrictive Declaration/Easement 12

08/13/2026B00435262-P1Open ↗

08/13/2026B00435262-I1Open ↗

▸BISRESTRICTION: RESTRICTIVE DECLARATION1

12/31/2020340792636Open ↗

▸Seals & Professional Certifications17

▸DOB NOWProgress Inspector Seal & Signature10

08/26/2026B00435262-P1Open ↗

Showing 3 of 10 on file for this type

▸DOB NOWDPL-1: Design Professional Seal & Signature2

09/02/2026B00435262-I1Open ↗

09/02/2026B00435262-P1Open ↗

▸DOB NOWSpecial Inspector Seal & Signature2

08/26/2026B00435262-P1Open ↗

08/24/2026B00435262-I1Open ↗

▸BISREQUIRED ITEMS CHECKLIST FOR PROFESSIONAL CERTIFICATION1

12/31/2020340792636Open ↗

▸BISPROFESSIONAL CERTIFICATION STATEMENT1

12/31/2020340792636Open ↗

▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY1

12/31/2020340792636Open ↗

▸Environmental & Asbestos4

▸BISASBESTOS: COMPLETION OR CLOSEOUT (ACP20/21/5)1

01/06/2021340792636Open ↗

▸BISDEP ASBESTOS PROJECT COMPLETION FORM1

12/31/2020340792636Open ↗

▸BISASBESTOS: CERTIFICATION (DEP ACP5)1

12/31/2020340792636Open ↗

▸DOB NOWDEP ACP-20/ACP-21: Asbestos Project Conditional Completion Form/Asbestos Project Completion Form1

09/02/2026B00435262-I1Open ↗

▸Energy Compliance5

▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY2

12/07/2021340792636Open ↗

01/06/2021340792636Open ↗

▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY FOR ENERGY CODE PROGRESS INSPECTIONS1

12/31/2020340792636Open ↗

▸BISAS-BUILT ENERGY ANALYSIS (EN2)1

12/07/2021340792636Open ↗

▸DOB NOWEN2: As Built Energy Analysis.1

08/13/2026B00435262-I1Open ↗

▸Inspections & Test Reports2

▸BISTECHNICAL REPORT: RESPONSIBILITY2

12/07/2021340792636Open ↗

01/06/2021340792636Open ↗

▸Approvals, Objections & Sign-offs1

▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST1

12/10/2021340792636Open ↗

▸Cost, Insurance & Ownership2

▸BISCOST AFFIDAVIT1

12/31/2020340792636Open ↗

▸BISCOST AFFIDAVIT (FINAL): PW31

12/07/2021340792636Open ↗

▸Filing & Intake Forms2

▸BISADDITIONAL INFORMATION1

11/29/2021340792636Open ↗

▸BISEFILING JOB APPLICATION COVER SHEET1

12/31/2020340792636Open ↗