Five to six families

74 DIAMOND STREET

BROOKLYN · BIN 3066334

💬 Discuss this project

2023Year Built

4Stories

C2Building Class

R6BZoning

5,361 sfGross Floor Area

6Units

0 Open ViolationsFDNY Report ↗

Five to six families · Owner of record: 74 DIAMOND LLC · 2,500 sf lot · 2.14 FAR built · Flood zone X500

Locations of Work

ArchitectureStructuralPlumbingFire Protection

Roof6p · 2 filings · 20 docs

Bulkhead2p · 1 filing · 20 docs

Penthouse1p · 1 filing · 9 docs

Floor 52p · 1 filing · 20 docs

Floor 4

Floor 31p · 1 filing · 20 docs

Floor 21p · 1 filing · 9 docs

Floor 1

Cellar3p · 1 filing · 20 docs

▾Owner History (Filing Record)

Companies and organizations named on filings. Individual owners are not shown.

Owner	Filings	Most Recent
ZCREW CONSTRUCTION	3	07/08/2026
JASCO	4	07/08/2026
74 DIAMOND	34	07/08/2026
BH DESIGN GROUP	1	03/22/2026
74 DIAMOND ST BROOKLYN NY	2	03/21/2026

▾Sales History (ACRIS)

Date	Price	Unit	Seller → Buyer	$/sf
09/26/2018	$1.8M	—	Private party → 74 DIAMOND, LLC	— not available

▾Design Consultants (Architect / Engineer of Record)

Firm	Filings	Most Recent
YU BUILDING CONSULTANT DESIGN ENGR.	6	09/23/2025
ASHRAF CORP	1	06/18/2024
RIGID STRUCTURAL DESIGN, LLC	1	01/08/2024
HPL ENGINEERING P.C.	7	11/09/2023
ASR ENGINEERING PC	1	06/16/2022
A & T ENGINEERING, P.C.	1	04/08/2021

▾Filing Representatives (Expediters)

Representative	Filings	Most Recent
YBL NY	6	03/21/2026
Rigid Structural Design, LLC	1	03/21/2026
ATELIER XIA DONG ARCHITECTURE	4	03/21/2026
PSD ARCHITECTURE	4	03/21/2026
ADVANCED BUILDERS SERVICES	1	03/21/2026
BSD CONSULTING	4	03/21/2026
KD DESIGNS	1	03/21/2026

▾Contractors (License-Anchored)

Firm	Trade	Roles	Most Recent
ZCREW CONSTRUCTION CORP	General Contractor	14	07/08/2026
SAFEPIPE PLUMBING INC	Plumbing	5	07/08/2026
INTERSYSTEMS INSTAL S&S	General Contractor	4	07/08/2026
GOODALL ELECTRIC CORP 004987	General Contractor	3	03/22/2026
BELLEROSE PLBG HEATING	Plumbing	3	03/22/2026
BH DESIGN GROUP LLC	General Contractor	2	07/08/2026
JASCO, INC	General Contractor	1	07/08/2026
SAFEPIPE PLUMBING INC	Fire Protection	1	07/08/2026
GOODALL ELECTRIC CORP	Electrical	1	03/22/2026
UMBRELLA INSTALLERS CORP	General Contractor	1	07/08/2026
DPH PLUMBING & HTG CORP	Plumbing	1	07/08/2026

▾Special Inspection Agencies

Agency	License #	Filings	Most Recent
WELLDONE INSPECTION INC.	8628	10	09/23/2025

Building Lifecycle

All (98)Filed (17)Permit Issued (15)Signed Off (10)Violation (2)Inspection (7)Objection (17)Special Inspection (30)

07/09/2026

Signed off — Alteration

Temporary Construction Fence for Main Building Construction.

B08040995-I1

05/22/2026

Signed off — Alteration

propose the new mechanical systems for the 4-story residential building.

B00272488-I1

03/31/2026

Signed off — Alteration

PROPOSED PLUMBING WORK AND FIRE PROTECTION SERVICES FOR 4 STORY 6 FAMILIES NEW RESIDENTIAL BUILDING WITH PENTHOUSE AND CELLAR.

B00270874-I1

12/31/2025

Inspection — Certified Sprinkler-SP-Fixtures-Finish

Certified

View inspection ↗

12/29/2025

Inspection — Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test

Certified

View inspection ↗

10/16/2025

Special inspection requirement — Final

QIUFAN JIANG

10/16/2025

Special inspection requirement — Mechanical Systems

QIUFAN JIANG

10/16/2025

Special inspection requirement — HVAC insulation and sealing

QIUFAN JIANG

10/16/2025

Special inspection requirement — HVAC and service water heating system controls

QIUFAN JIANG

10/16/2025

Special inspection requirement — Post-installed Anchors

QIUFAN JIANG

10/16/2025

Special inspection requirement — HVAC and service water heating equipment

QIUFAN JIANG

10/16/2025

Special inspection requirement — Maintenance information

QIUFAN JIANG

10/16/2025

Special inspection requirement — Heating Systems

QIUFAN JIANG

10/16/2025

Special inspection requirement — Shutoff dampers

QIUFAN JIANG

10/16/2025

Special inspection requirement — Ventilation and air distribution system

QIUFAN JIANG

10/16/2025

Special inspection requirement — Energy Code Compliance Inspections

QIUFAN JIANG

10/16/2025

Special inspection requirement — Fire-Resistant Penetrations and Joints

QIUFAN JIANG

09/23/2025

Filed — Alteration

propose the new mechanical systems for the 4-story residential building.

B00272488-P2

08/25/2025

Special inspection requirement — Maintenance information

QIUFAN JIANG

08/25/2025

Special inspection requirement — Final

QIUFAN JIANG

08/25/2025

Special inspection requirement — Energy Code Compliance Inspections

QIUFAN JIANG

08/25/2025

Special inspection requirement — Post-installed Anchors

QIUFAN JIANG

08/25/2025

Special inspection requirement — Mechanical Systems

QIUFAN JIANG

08/25/2025

Special inspection requirement — HVAC and service water heating system controls

QIUFAN JIANG

08/25/2025

Special inspection requirement — HVAC and service water heating equipment

QIUFAN JIANG

08/25/2025

Special inspection requirement — Heating Systems

QIUFAN JIANG

08/25/2025

Special inspection requirement — HVAC insulation and sealing

QIUFAN JIANG

08/25/2025

Special inspection requirement — Shutoff dampers

QIUFAN JIANG

08/25/2025

Special inspection requirement — Fire-Resistant Penetrations and Joints

QIUFAN JIANG

08/25/2025

Special inspection requirement — Ventilation and air distribution system

QIUFAN JIANG

08/15/2025

Special inspection requirement — Private On-Site Storm Water Disposal Systems-, and Detention Facilities, Installation

QIUFAN JIANG

08/15/2025

Special inspection requirement — Post-installed Anchors

QIUFAN JIANG

08/15/2025

Special inspection requirement — Sprinkler Systems

QIUFAN JIANG

08/15/2025

Special inspection requirement — Fire-Resistance Rated Construction

QIUFAN JIANG

08/15/2025

Special inspection requirement — Fire-Resistant Penetrations and Joints

QIUFAN JIANG

08/15/2025

Special inspection requirement — Energy Code Compliance Inspections

QIUFAN JIANG

08/01/2025

Filed — Alteration

PROPOSED PLUMBING WORK AND FIRE PROTECTION SERVICES FOR 4 STORY 6 FAMILIES NEW RESIDENTIAL BUILDING WITH PENTHOUSE AND CELLAR.

B00270874-P2

07/25/2025

Signed off — Alteration

Earth work and foundation work for proposed New Building filed in conjunction with NB# 321387094.

B00820182-I1

05/12/2025

Signed off — Alteration

B00497422-I1

05/12/2025

Signed off — Alteration

B01068332-I1

04/14/2025

Signed off — Alteration

Installation of a temporarily heavy-duty sidewalk shed per plan submitted. Work shall comply with 2022 building codes chapter 33. No change in use, egress and/or occupancy with this application.

B00986489-I1

02/14/2025

Inspection — Certified Storm Drainage-ST-Piping-Roughing

Certified

View inspection ↗

02/10/2025

Signed off — Alteration

STRUCTURAL WORK FOR PROPOSED NEW BUILDING FILED IN CONJUNCTION WITH NB BIS JOB # 321387094.

B00820172-I1

02/10/2025

Signed off — Alteration

SUPPORT FOR EXCAVATION FOR PROPOSED NEW BUILDING FILED IN CONJUNCTION WITH NB BIS JOB # 321387094.

B00820211-I1

01/21/2025

Permit issued — Plumbing

B00270874-I1-EW-SP

01/21/2025

Permit issued — Plumbing

B00270874-I1-PL

12/26/2024

Permit issued — Sidewalk Shed

B00986489-I1-SH

09/27/2024

Permit issued — Construction Fence

B08040995-I1-FN

09/27/2024

Permit issued — Structural

B00820172-I1-ST

07/25/2024

Inspection — Certified Storm Drainage-ST-Piping-Roughing

Certified

View inspection ↗

07/25/2024

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

Certified

View inspection ↗

07/12/2024

Permit issued — Mechanical Systems

B00272488-I1-MS

07/02/2024

Permit issued — Supported Scaffold

B01068332-I1-SF

06/18/2024

Filed — Alteration

B01068332-I1

01/09/2024

Permit issued — Sidewalk Shed

B00986489-I1-SH

01/08/2024

Filed — Alteration

Installation of a temporarily heavy-duty sidewalk shed per plan submitted. Work shall comply with 2022 building codes chapter 33. No change in use, egress and/or occupancy with this application.

B00986489-I1

12/21/2023

Inspection — Certified Storm Drainage-ST-Piping-Underground

Certified

View inspection ↗

12/21/2023

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

Certified

View inspection ↗

12/04/2023

Objection raised — Structural

11/29/2023

Permit issued — Sprinklers

B00270874-I1-PL

Latest 60 of 98 events.

Permit / Filing Register

Source	Work Type	Status	Applicant	Issued
DOB NOW	Plumbing	Signed-off	BELLEROSE PLBG & HEATING	01/21/2025
DOB NOW	Plumbing	Signed-off	BELLEROSE PLBG & HTG	01/21/2025
DOB NOW	Sidewalk Shed	Signed-off	INTERSYSTEMS INSTAL S&S	12/26/2024
DOB NOW	Construction Fence	Signed-off	ZCREW CONSTRUCTION CORP	09/27/2024
DOB NOW	Structural	Signed-off	ZCREW CONSTRUCTION CORP	09/27/2024
DOB NOW	Mechanical Systems	Signed-off	ZCREW CONSTRUCTION CORP	07/12/2024
DOB NOW	Supported Scaffold	Signed-off	UMBRELLA INSTALLERS CORP	07/02/2024
DOB NOW	Sidewalk Shed	Signed-off	INTERSYSTEMS INSTAL S&S	01/09/2024
DOB NOW	Sprinklers	Signed-off	DPH PLUMBING & HTG CORP	11/29/2023
DOB NOW	Foundation	Signed-off	ZCREW CONSTRUCTION CORP	09/05/2023
DOB NOW	Support of Excavation	Signed-off	ZCREW CONSTRUCTION CORP	09/05/2023
DOB NOW	Construction Fence	Signed-off	ZCREW CONSTRUCTION CORP	08/24/2023
DOB NOW	Construction Fence	Signed-off	BH DESIGN GROUP LLC	07/12/2022
DOB NOW	Sidewalk Shed	Signed-off	JASCO, INC	06/16/2022
DOB NOW	Construction Fence	Signed-off	BH DESIGN GROUP LLC	01/27/2022
BIS	—	ISSUED	ZCREW CONSTRUCTION CORP	07/01/2025
BIS	—	ISSUED	ZCREW CONSTRUCTION CORP	08/27/2024
BIS	—	ISSUED	ZCREW CONSTRUCTION CORP	09/21/2023
BIS	—	ISSUED	BH DESIGN GROUP LLC	07/18/2022

3 projects · most recent 01/15/2026

General Wiring

Filed	Status	Contractor	Scope
01/15/2026	Complete	GOODALL ELECTRIC CORP	General Wiring
02/05/2024	Complete	GOODALL ELECTRIC CORP	—
01/10/2024	Complete	AURORA ELECL CONTG INC	—

1 project · most recent 11/09/2023

Fence

Filed	Status	Contractor	Scope
11/09/2023	Signed-off	ZCREW CONSTRUCTION CORP	Fence

▾Field Inspections (DOB CAP) — 7

Date	Type	Result	Report
12/31/2025	Certified Sprinkler-SP-Fixtures-Finish	Certified	View ↗
12/29/2025	Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test	Certified	View ↗
02/14/2025	Certified Storm Drainage-ST-Piping-Roughing	Certified	View ↗
07/25/2024	Certified Storm Drainage-ST-Piping-Roughing	Certified	View ↗
07/25/2024	Certified Water and Sanitary-WS-Sanitary Piping-Roughing	Certified	View ↗
12/21/2023	Certified Storm Drainage-ST-Piping-Underground	Certified	View ↗
12/21/2023	Certified Water and Sanitary-WS-Sanitary Piping-Underground	Certified	View ↗

▾Special Inspection Requirements (DOB NOW) — 109

Date	Requirement	Inspector	Role
10/16/2025	Energy Code Compliance Inspections	QIUFAN JIANG	progress
10/16/2025	HVAC and service water heating equipment	QIUFAN JIANG	energy_progress
10/16/2025	Post-installed Anchors	QIUFAN JIANG	special
10/16/2025	Mechanical Systems	QIUFAN JIANG	special
10/16/2025	Fire-Resistant Penetrations and Joints	QIUFAN JIANG	special
10/16/2025	Heating Systems	QIUFAN JIANG	special
10/16/2025	Final	QIUFAN JIANG	progress
10/16/2025	Maintenance information	QIUFAN JIANG	energy_progress
10/16/2025	HVAC insulation and sealing	QIUFAN JIANG	energy_progress
10/16/2025	HVAC and service water heating system controls	QIUFAN JIANG	energy_progress
10/16/2025	Ventilation and air distribution system	QIUFAN JIANG	energy_progress
10/16/2025	Shutoff dampers	QIUFAN JIANG	energy_progress
08/25/2025	Post-installed Anchors	QIUFAN JIANG	special
08/25/2025	Fire-Resistant Penetrations and Joints	QIUFAN JIANG	special
08/25/2025	Heating Systems	QIUFAN JIANG	special
08/25/2025	Mechanical Systems	QIUFAN JIANG	special
08/25/2025	Energy Code Compliance Inspections	QIUFAN JIANG	progress
08/25/2025	Final	QIUFAN JIANG	progress
08/25/2025	Maintenance information	QIUFAN JIANG	energy_progress
08/25/2025	Ventilation and air distribution system	QIUFAN JIANG	energy_progress
08/25/2025	Shutoff dampers	QIUFAN JIANG	energy_progress
08/25/2025	HVAC insulation and sealing	QIUFAN JIANG	energy_progress
08/25/2025	HVAC and service water heating equipment	QIUFAN JIANG	energy_progress
08/25/2025	HVAC and service water heating system controls	QIUFAN JIANG	energy_progress
08/15/2025	Maintenance information	QIUFAN JIANG	energy_progress

Latest 25 of 109.

▾Documents — 266 on file (BIS + DOB NOW)

▸Plans & Drawings20

▸DOB NOWPlans/Sketch11

09/01/2026B00497422-I1Request digital key ↗

08/29/2026B00757542-I1Request digital key ↗

08/27/2026B00820172-I1Request digital key ↗

Showing 3 of 11 on file for this type

▸DOB NOWPlans/Sketch - Sprinkler3

09/02/2026B00270874-P1Request digital key ↗

09/02/2026B00270874-P2Request digital key ↗

09/02/2026B00270874-I1Request digital key ↗

▸DOB NOWPlans/Sketch - Plumbing3

09/02/2026B00270874-P1Request digital key ↗

09/02/2026B00270874-P2Request digital key ↗

09/02/2026B00270874-I1Request digital key ↗

▸DOB NOWPlans/Sketch - Mechanical Systems3

08/26/2026B00272488-P2Request digital key ↗

08/26/2026B00272488-I1Request digital key ↗

08/15/2026B00272488-P1Request digital key ↗

▸Applications & Permits27

▸BISPLAN / WORK APPROVAL APPLICATION17

02/13/2026321387094Open ↗

09/26/2025321387094Open ↗

09/22/2025321387094Open ↗

Showing 3 of 17 on file for this type

▸BISWORK PERMIT APPLICATION6

07/01/2025321387094Open ↗

09/21/2023321387094Open ↗

07/29/2022321525417Open ↗

Showing 3 of 6 on file for this type

▸BISBPP-5 - Authorization to the Department of Transportation2

02/28/2025340702065Open ↗

01/14/2020340702065Open ↗

▸BISCERTIFICATE OF OCCUPANCY: APPLICATION1

01/15/2026321387094Open ↗

▸BISBPP-DOT: SIDEWALK/CURB/ROAD WORK PERMITS1

02/26/2026340702065Open ↗

▸Zoning, Tax Lot & Property Records5

▸BISZONING DIAGRAM3

10/04/2023321387094Open ↗

04/15/2020321387094Open ↗

▸BISZONING EXHIBIT III:DESC. & OWNRSHP.STMNT1

07/12/2019321387094Open ↗

▸BISZONING EXHIBIT I: CERTIFICATION1

07/12/2019321387094Open ↗

▸Seals & Professional Certifications108

▸DOB NOWSpecial Inspector Seal & Signature52

09/28/2026B00820211-P1Open ↗

Showing 3 of 52 on file for this type

▸DOB NOWProgress Inspector Seal & Signature35

09/28/2026B00820211-P1Open ↗

09/01/2026B00270874-I1Open ↗

Showing 3 of 35 on file for this type

▸DOB NOWDPL-1: Design Professional Seal & Signature17

09/01/2026B00497422-I1Open ↗

08/29/2026B00757542-I1Open ↗

08/27/2026B00820182-P1Open ↗

Showing 3 of 17 on file for this type

▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION3

07/29/2022321525417Open ↗

06/08/2022321525417Open ↗

02/20/2019321525417Open ↗

▸BISAPPLICANT OWNER SIGNATURE1

10/31/2019340702065Open ↗

▸Trade Schedules & Equipment6

▸BISWATER CUT-OFF2

06/08/2022321525417Open ↗

▸BISELECTRIC CUT-OFF1

06/08/2022321525417Open ↗

▸BISSEWER CUT-OFF1

06/08/2022321525417Open ↗

▸BIS* SEWER CONNECTION: DEP SD1 & SD21

04/15/2020321387094Open ↗

▸BISGAS CUT-OFF1

06/08/2022321525417Open ↗

▸Safety & Tenant Protection8

▸BISSTREET TREE CHECKLIST3

10/04/2023321387094Open ↗

09/15/2023321387094Open ↗

05/01/2019321387094Open ↗

▸BISANTI-HARASSMENT CHECKLIST1

07/29/2022321525417Open ↗

▸BISSTREET TREES: RECEIPT OF STREET TREES SITE PLAN1

09/15/2023321387094Open ↗

▸BISHPD: SRO MD CERTIFICATE OF NO HARASSMENT1

06/08/2022321525417Open ↗

▸BISEXCAVATION OR DEMOLITION: 5-DAY NOTICE1

09/14/2023321387094Open ↗

▸BISDEMOLITION SUBMITTAL CERTIFICATION FORM1

07/29/2022321525417Open ↗

▸Environmental & Asbestos8

▸BISASBESTOS: CERTIFICATION (DEP ACP5)3

07/29/2022321525417Open ↗

06/08/2022321525417Open ↗

▸DOB NOWDEP ACP-5: Asbestos Assessment Report3

08/13/2026B00272488-I1Open ↗

08/13/2026B00272488-P2Open ↗

08/13/2026B00272488-P1Open ↗

▸BISRODENT CONTROL1

07/29/2022321525417Open ↗

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

05/01/2019321387094Open ↗

▸Energy Compliance7

▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY5

03/28/2024321387094Open ↗

09/14/2023321387094Open ↗

07/05/2023321387094Open ↗

Showing 3 of 5 on file for this type

▸DOB NOWPreliminary Commissioning Report Certification2

08/26/2026B00272488-I1Open ↗

08/13/2026B00272488-I1Open ↗

▸Inspections & Test Reports20

▸BISTECHNICAL REPORT: RESPONSIBILITY5

03/28/2024321387094Open ↗

09/01/2023321387094Open ↗

07/05/2023321387094Open ↗

Showing 3 of 5 on file for this type

▸DOB NOWSOIL REPORT4

08/13/2026B00820211-P1Open ↗

08/13/2026B00820182-P1Open ↗

08/13/2026B00820182-I1Open ↗

Showing 3 of 4 on file for this type

▸DOB NOWTR4 Test Report and Plot Diagram2

08/13/2026B00820211-I1Open ↗

08/13/2026B00820182-I1Open ↗

▸BISBPP: FIELD INSPECTION1

02/26/2026340702065Open ↗

▸BISFIRE-RESISTIVE RATED CONSTRUCTION1

09/15/2023321387094Open ↗

▸BISMASONRY MANUFACTURER'S STATEMENT-FORM 10H1

07/29/2022321525417Open ↗

▸BISWALL PANELS, CURTAIN WALLS, AND VENEERS1

09/14/2023321387094Open ↗

▸BISINSPECTION REPORT - SUPPORTING DOCUMENTATION1

07/29/2022321525417Open ↗

▸BISHYDRO FLOW TEST LETTER1

04/15/2020321387094Open ↗

▸BISSOIL REPORT1

05/01/2019321387094Open ↗

▸BISHYDRAULIC FLOW CALCULATIONS1

04/15/2020321387094Open ↗

▸BISDEMOLITION (DM) JOB SIGNOFF1

09/14/2023321387094Open ↗

▸Approvals, Objections & Sign-offs16

▸BISLETTERS - SUPPORTING DOCUMENTATION8

07/29/2022321525417Open ↗

Showing 3 of 8 on file for this type

▸BISSCHEDULE A - OCCUPANCY / USE5

09/26/2025321387094Open ↗

09/22/2025321387094Open ↗

09/05/2025321387094Open ↗

Showing 3 of 5 on file for this type

▸BISLANDMARKS APPROVAL1

07/29/2022321525417Open ↗

▸BISBPP-8 - Request Items for Builders Pavement Plan Signoff1

02/26/2026340702065Open ↗

▸BISSUPERSEDING LETTER1

07/01/2025321387094Open ↗

▸Cost, Insurance & Ownership3

▸BISBPP: ENGINEERS AFFIDAVIT1

02/26/2026340702065Open ↗

▸BISPROJECT-SPECIFIC GL INSURANCE1

09/14/2023321387094Open ↗

▸BISPROJECT SPECIFIC GENERAL LIABILITY INSURANCE1

07/01/2025321387094Open ↗

▸Filing & Intake Forms24

▸BISADDITIONAL INFORMATION22

02/23/2026321387094Open ↗

09/29/2025321387094Open ↗

09/19/2025321387094Open ↗

Showing 3 of 22 on file for this type

▸BISEFILING COVER SHEET1

02/20/2019321525417Open ↗

▸BISEFILING JOB APPLICATION COVER SHEET1

10/31/2019340702065Open ↗

▸Other Documents14

▸BISPLOT DIAGRAM4

09/27/2023321387094Open ↗

09/15/2023321387094Open ↗

06/08/2022321525417Open ↗

Showing 3 of 4 on file for this type

▸BISEXTERNAL FORMS - SUPPORTING DOCUMENTATION4

07/29/2022321525417Open ↗

06/08/2022321525417Open ↗

Showing 3 of 4 on file for this type

▸BISBPP - SUPPORTING DOCUMENTATION2

02/26/2026340702065Open ↗

▸BISBPP: FINAL AS-BUILT PHOTOGRAPHS1

02/26/2026340702065Open ↗

▸BISEXTERIOR INSULATION AND FINISH SYSTEMS (EIFS) (2014)1

09/25/2023321387094Open ↗

▸BISBPP: AS-BUILT SIDEWALK SURVEY1

02/26/2026340702065Open ↗

▸DOB NOWAdjoining Owners Notification1

08/13/2026B00820211-I1Open ↗