Four families

1735 71 STREET

BROOKLYN · BIN 3157304

💬 Discuss this project

1924Year Built

2Stories

C3Building Class

R5Zoning

3,000 sfGross Floor Area

4Units

Rent Stabilized0 Open ViolationsFDNY Report ↗

Four families · 2,500 sf lot · 1.2 FAR built · Flood zone X

Locations of Work

StructuralElectricalPlumbing

Cellar5p · 3 filings · 20 docs

▾Sales History (ACRIS)

Date	Price	Unit	Seller → Buyer	$/sf
04/06/2023	$1.8M	—	— → —	$592/sf building

▾Design Consultants (Architect / Engineer of Record)

Firm	Filings	Most Recent
CLIP ARCHITECTS	5	09/20/2023
GREAT WALL CONSULTANT PROFESSIONAL	1	01/10/2020

▾Filing Representatives (Expediters)

Representative	Filings	Most Recent
MODERN BUILDING CONSULTANT	5	03/21/2026

▾Contractors (License-Anchored)

Firm	Trade	Roles	Most Recent
JZ CONSTRUCTION GROUP INC	General Contractor	3	03/21/2026
AMC PLBG, HTG & CLNG, INC	Plumbing	1	07/08/2026
PLUMBING PLBG & PLBG CORP	Plumbing	1	07/08/2026

▾Special Inspection Agencies

Agency	License #	Filings	Most Recent
MSM ENGINEERING SERVICES,	8449	5	09/20/2023

Building Lifecycle

All (39)Filed (6)Permit Issued (3)Signed Off (2)Violation (8)Inspection (6)Special Inspection (14)

11/18/2025

Violation issued (HPD, closed)

08/16/2024

Signed off — Alteration

Propose plumbing work for existing residential building as per plan. No change in use, egress, or occupancy.

B00859563-I1

03/01/2024

Signed off — Alteration

Propose interior renovation of existing residential building with minor partitions work and finish work as per plan. No change in use, egress, or occupancy.

B00859555-I1

09/26/2023

Inspection — Pass-Final General Construction Non-Directive 14

Pass

View inspection ↗

09/22/2023

Special inspection requirement — Interior lighting power

Jaeyoung Jang

09/22/2023

Special inspection requirement — Fire-Resistance Rated Construction

Jaeyoung Jang

09/22/2023

Special inspection requirement — Energy Code Compliance Inspections

Jaeyoung Jang

09/22/2023

Special inspection requirement — Fire-Resistant Penetrations and Joints

MOHAMED MAHMOUD

09/20/2023

Filed — Alteration

Propose interior renovation of existing residential building with minor partitions work and finish work as per plan. No change in use, egress, or occupancy.

B00859555-P1

09/19/2023

Special inspection requirement — Interior lighting power

Jaeyoung Jang

09/19/2023

Special inspection requirement — Fire-Resistant Penetrations and Joints

MOHAMED MAHMOUD

09/19/2023

Special inspection requirement — Energy Code Compliance Inspections

Jaeyoung Jang

09/19/2023

Special inspection requirement — Fire-Resistance Rated Construction

Jaeyoung Jang

08/24/2023

Inspection — Pass-Final PL - Up to 3 Requested Floors

Pass

View inspection ↗

08/13/2023

Special inspection requirement — Fire-Resistant Penetrations and Joints

MOHAMED MAHMOUD

08/13/2023

Special inspection requirement — Energy Code Compliance Inspections

Jaeyoung Jang

08/10/2023

Filed — Alteration

Propose plumbing work for existing residential building as per plan. No change in use, egress, or occupancy.

B00859563-P2

08/10/2023

Inspection — Pass-Final PL - Up to 3 Requested Floors

Pass

View inspection ↗

08/10/2023

Special inspection requirement — Fire-Resistant Penetrations and Joints

MOHAMED MAHMOUD

08/10/2023

Special inspection requirement — Energy Code Compliance Inspections

Jaeyoung Jang

06/23/2023

Inspection — Certified Gas-Gas-Piping-Roughing

Certified

View inspection ↗

06/23/2023

Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing

Certified

View inspection ↗

06/23/2023

Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground

Certified

View inspection ↗

06/15/2023

Filed — Alteration

Propose plumbing work for existing residential building as per plan. No change in use, egress, or occupancy.

B00859563-P1

06/15/2023

Special inspection requirement — Energy Code Compliance Inspections

Jaeyoung Jang

06/15/2023

Special inspection requirement — Fire-Resistant Penetrations and Joints

MOHAMED MAHMOUD

05/03/2023

Permit issued — Plumbing

B00859563-I1-PL

04/28/2023

Permit issued — General Construction

B00859555-I1-GC

04/25/2023

Filed — Alteration

Propose plumbing work for existing residential building as per plan. No change in use, egress, or occupancy.

B00859563-I1

04/25/2023

Filed — Alteration

Propose interior renovation of existing residential building with minor partitions work and finish work as per plan. No change in use, egress, or occupancy.

B00859555-I1

03/21/2023

Violation issued (HPD, closed)

11/04/2022

Violation issued (HPD, closed)

02/22/2022

Violation issued (HPD, closed)

04/06/2021

Violation issued (HPD, closed)

04/06/2021

Violation issued (HPD, closed)

01/29/2020

Permit issued — Plumbing

B00287764-I1-PL

01/10/2020

Filed — Alteration

B00287764-I1

04/20/2017

Violation issued (ECB, closed)

Construction

10/07/2015

Violation issued (HPD, closed)

Permit / Filing Register

Source	Work Type	Status	Applicant	Issued
DOB NOW	Plumbing	Signed-off	AMC PLBG, HTG & CLNG, INC	05/03/2023
DOB NOW	General Construction	Signed-off	JZ CONSTRUCTION GROUP INC	04/28/2023
DOB NOW	Plumbing	Permit Issued	PLUMBING PLBG & PLBG CORP	01/29/2020

2 projects · most recent 11/11/2022

Filed	Status	Contractor	Scope
11/11/2022	Complete	TESTA ELECTRIC CO., INC	5 meters, 5 new_meters
04/21/2019	Complete	SUPREME ELECTRIC CORP	5 meters, 5 new_meters

▾Field Inspections (DOB CAP) — 6

Date	Type	Result	Report
09/26/2023	Pass-Final General Construction Non-Directive 14	Pass	View ↗
08/24/2023	Pass-Final PL - Up to 3 Requested Floors	Pass	View ↗
08/10/2023	Pass-Final PL - Up to 3 Requested Floors	Pass	View ↗
06/23/2023	Certified Gas-Gas-Piping-Roughing	Certified	View ↗
06/23/2023	Certified Water and Sanitary-WS-Sanitary Piping-Roughing	Certified	View ↗
06/23/2023	Certified Water and Sanitary-WS-Sanitary Piping-Underground	Certified	View ↗

▾Special Inspection Requirements (DOB NOW) — 14

Date	Requirement	Inspector	Role
09/22/2023	Interior lighting power	Jaeyoung Jang	energy_progress
09/22/2023	Fire-Resistance Rated Construction	Jaeyoung Jang	progress
09/22/2023	Energy Code Compliance Inspections	Jaeyoung Jang	progress
09/22/2023	Fire-Resistant Penetrations and Joints	MOHAMED MAHMOUD	special
09/19/2023	Interior lighting power	Jaeyoung Jang	energy_progress
09/19/2023	Fire-Resistant Penetrations and Joints	MOHAMED MAHMOUD	special
09/19/2023	Energy Code Compliance Inspections	Jaeyoung Jang	progress
09/19/2023	Fire-Resistance Rated Construction	Jaeyoung Jang	progress
08/13/2023	Fire-Resistant Penetrations and Joints	MOHAMED MAHMOUD	special
08/13/2023	Energy Code Compliance Inspections	Jaeyoung Jang	progress
08/10/2023	Fire-Resistant Penetrations and Joints	MOHAMED MAHMOUD	special
08/10/2023	Energy Code Compliance Inspections	Jaeyoung Jang	progress
06/15/2023	Energy Code Compliance Inspections	Jaeyoung Jang	progress
06/15/2023	Fire-Resistant Penetrations and Joints	MOHAMED MAHMOUD	special

▾Documents — 31 on file (BIS + DOB NOW)

▸Plans & Drawings6

▸DOB NOWPlans/Sketch5

08/27/2026B00859563-P1Request digital key ↗

08/27/2026B00859563-I1Request digital key ↗

08/27/2026B00859563-P2Request digital key ↗

Showing 3 of 5 on file for this type

▸DOB NOWPlans/Sketch - Plumbing1

09/02/2026B00287764-I1Request digital key ↗

▸Seals & Professional Certifications18

▸DOB NOWProgress Inspector Seal & Signature7

08/27/2026B00859555-P1Open ↗

08/24/2026B00859555-I1Open ↗

Showing 3 of 7 on file for this type

▸DOB NOWDPL-1: Design Professional Seal & Signature6

08/27/2026B00859563-I1Open ↗

08/27/2026B00859563-P1Open ↗

08/27/2026B00859563-P2Open ↗

Showing 3 of 6 on file for this type

▸DOB NOWSpecial Inspector Seal & Signature5

08/27/2026B00859555-P1Open ↗

08/24/2026B00859555-I1Open ↗

08/24/2026B00859563-I1Open ↗

Showing 3 of 5 on file for this type

▸Safety & Tenant Protection1

▸DOB NOWTenant Protection Plan1

08/13/2026B00287764-I1Open ↗

▸Environmental & Asbestos6

▸DOB NOWDEP ACP-5: Asbestos Assessment Report6

08/27/2026B00859563-I1Open ↗

08/27/2026B00859563-P1Open ↗

08/27/2026B00859563-P2Open ↗

Showing 3 of 6 on file for this type