Condo, residential unit in 2-10 unit building

171 PROSPECT PLACE

BROOKLYN · BIN 3391534

💬 Discuss this project

1871Year Built

4Stories

R1Building Class

R6BZoning

3,958 sfGross Floor Area

4Units

Rent Stabilized0 Open ViolationsFDNY Report ↗

Condo, residential unit in 2-10 unit building · 2,000 sf lot · 1.98 FAR built · Flood zone X

Locations of Work

ArchitectureMechanical

Permit Issued — active, not yet Signed-off

RoofUnder Construction7p · 1 filing · 6 docs

Floor 4Under Construction5p · 1 filing · 6 docs

Floor 3Under Construction5p · 1 filing · 6 docs

Floor 2

Floor 1

▾Owner History (Filing Record)

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

Owner	Filings	Most Recent
REFCO MANAGEMENT	6	07/08/2026
J G GNRL CONTRACT	3	03/21/2026

▾Design Consultants (Architect / Engineer of Record)

Firm	Filings	Most Recent
NEW AIR SOLUTION INC.	1	07/09/2026
NEW YORK ENGINEERING ASSOC., P.C.	4	01/17/2024

▾Filing Representatives (Expediters)

Representative	Filings	Most Recent
NEW YORK ENGINEERING ASSOCIATES P C	8	03/21/2026

▾Contractors (License-Anchored)

Firm	Trade	Roles	Most Recent
MR. AIR NYC CORP	General Contractor	1	08/30/2026
CLEAN TECH MECHANICAL INC	Plumbing	1	07/08/2026

▾Special Inspection Agencies

Agency	License #	Filings	Most Recent
NEW AIR SOLUTION INC	8418	1	07/09/2026
NEW YORK ENGINEERING ASSO	851	4	01/17/2024

Building Lifecycle

All (43)Filed (5)Permit Issued (2)Signed Off (1)Violation (1)Inspection (2)Objection (2)Special Inspection (30)

08/27/2026

Permit issued — Mechanical Systems

B01423270-I1-MS

07/24/2026

Objection resolved — Addressed

07/22/2026

Objection raised — Scope

07/09/2026

Filed — Alteration

INSTALL SPLIT A.C. SYSTEM AT APT#4 OF EXISTING 5-STORY BUILDING WITH MECHANICAL WORK AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS OR CERTIFICATE OF OCCUPANCY.

B01423270-I1

06/26/2026

Special inspection requirement — HVAC-R and service water piping design and insulation

Tianchen Hu

06/26/2026

Special inspection requirement — Energy Code Compliance Inspections

Tianchen Hu

06/26/2026

Special inspection requirement — Final

Tianchen Hu

06/26/2026

Special inspection requirement — Mechanical Systems

Tianchen Hu

06/26/2026

Special inspection requirement — Fire-Resistant Penetrations and Joints

Tianchen Hu

06/26/2026

Special inspection requirement — Tenant Protection Plan Compliance

Tianchen Hu

06/26/2026

Special inspection requirement — HVAC-R and service water heating equipment

Tianchen Hu

06/26/2026

Special inspection requirement — HVAC-R and service water heating system controls

Tianchen Hu

06/26/2026

Special inspection requirement — Maintenance information

Tianchen Hu

04/05/2024

Signed off — Alteration

B00858713-I1

01/18/2024

Special inspection requirement — Maintenance information

LOUIS ARENA

01/18/2024

Special inspection requirement — HVAC-R and service water piping design and insulation

LOUIS ARENA

01/18/2024

Special inspection requirement — HVAC-R and service water heating equipment

LOUIS ARENA

01/18/2024

Special inspection requirement — Tenant Protection Plan Compliance

LOUIS ARENA

01/18/2024

Special inspection requirement — Energy Code Compliance Inspections

LOUIS ARENA

01/18/2024

Special inspection requirement — HVAC-R and service water heating system controls

LOUIS ARENA

01/17/2024

Filed — Alteration

B00858713-P3

12/19/2023

Special inspection requirement — HVAC-R and service water heating system controls

LOUIS ARENA

12/19/2023

Special inspection requirement — HVAC-R and service water heating equipment

LOUIS ARENA

12/19/2023

Special inspection requirement — HVAC-R and service water piping design and insulation

LOUIS ARENA

12/19/2023

Special inspection requirement — Tenant Protection Plan Compliance

LOUIS ARENA

12/19/2023

Special inspection requirement — Energy Code Compliance Inspections

LOUIS ARENA

12/19/2023

Special inspection requirement — Maintenance information

LOUIS ARENA

09/26/2023

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

Pass

View inspection ↗

07/19/2023

Filed — Alteration

B00858713-P2

06/29/2023

Special inspection requirement — Tenant Protection Plan Compliance

LOUIS ARENA

06/29/2023

Special inspection requirement — Energy Code Compliance Inspections

LOUIS ARENA

06/29/2023

Special inspection requirement — Maintenance information

LOUIS ARENA

06/29/2023

Special inspection requirement — HVAC-R and service water piping design and insulation

LOUIS ARENA

06/29/2023

Special inspection requirement — HVAC-R and service water heating system controls

LOUIS ARENA

06/29/2023

Special inspection requirement — HVAC-R and service water heating equipment

LOUIS ARENA

06/27/2023

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

Pass

View inspection ↗

06/12/2023

Filed — Alteration

B00858713-P1

05/22/2023

Special inspection requirement — HVAC-R and service water heating system controls

LOUIS ARENA

05/22/2023

Special inspection requirement — HVAC-R and service water piping design and insulation

LOUIS ARENA

05/22/2023

Special inspection requirement — Maintenance information

LOUIS ARENA

05/05/2023

Permit issued — Plumbing

B00858713-I1-PL

04/26/2023

Filed — Alteration

B00858713-I1

12/23/2017

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

Permit / Filing Register

Source	Work Type	Status	Applicant	Issued
DOB NOW	Mechanical Systems	Permit Issued	MR. AIR NYC CORP	08/27/2026
DOB NOW	Plumbing	Signed-off	CLEAN TECH MECHANICAL INC	05/05/2023
BIS	PL	ISSUED	ORION PLUMBING & HTG CORP	06/06/2017
BIS	EQ	ISSUED	J& G GNRL CONTRACT INC	02/11/2016
BIS	OT	ISSUED	MODERN CONCEPT RENOV INC	11/12/2015
BIS	OT	ISSUED	DLM CONTRACTORS INC	09/28/2012
BIS	OT	ISSUED	ROYAL B CONSTRUCTION CORP	05/20/2009
BIS	PL	ISSUED	METROPOLITAN HEAT & POWER CO	10/31/2007
BIS	MH	ISSUED	N/A	10/19/2007
BIS	PL	ISSUED	METROPOLITAN HEAT & POWER CO	06/21/2007
BIS	OT	ISSUED	N/A	06/19/2007
BIS	OT	ISSUED	MAXIMUM CONSTRUCTION WORKS CORP.	03/14/2006
BIS	PL	ISSUED	MKA PIPING & HEATING CORP.	12/21/1995

1 project · most recent 07/09/2026

Air Conditioning Systems

Filed	Status	Contractor	Scope	Make / Model / Capacity
07/09/2026	Permit Issued	MR. AIR NYC CORP	Air Conditioning Systems	Cooling Mitsubishi Electric MSZ-GX24NL 22,400 BTU · Fan Coil Indoor ×2 MXZ-5D42NL 40,500 BTU · Heat Pump Outdoor ×1

3 projects · most recent 09/01/2026

HVAC Wiring General Wiring

Filed	Status	Contractor	Scope
09/01/2026	Permit Issued	INTELOGIC ELECTRIC, INC.	HVAC Wiring
06/24/2023	Complete	DAVEN ELECTRIC CORP	General Wiring
03/31/2023	Complete	LAURA ELEC'L LIGHTING &	—

▾Field Inspections (DOB CAP) — 2

Date	Type	Result	Report
09/26/2023	Pass-Final PL - Up to 3 Requested Floors	Pass	View ↗
06/27/2023	Pass-Final PL - Up to 3 Requested Floors	Pass	View ↗

▾Special Inspection Requirements (DOB NOW) — 33

Date	Requirement	Inspector	Role
06/26/2026	HVAC-R and service water piping design and insulation	Tianchen Hu	energy_progress
06/26/2026	Energy Code Compliance Inspections	Tianchen Hu	progress
06/26/2026	Final	Tianchen Hu	progress
06/26/2026	Mechanical Systems	Tianchen Hu	special
06/26/2026	Fire-Resistant Penetrations and Joints	Tianchen Hu	special
06/26/2026	Tenant Protection Plan Compliance	Tianchen Hu	special
06/26/2026	HVAC-R and service water heating equipment	Tianchen Hu	energy_progress
06/26/2026	HVAC-R and service water heating system controls	Tianchen Hu	energy_progress
06/26/2026	Maintenance information	Tianchen Hu	energy_progress
01/18/2024	Maintenance information	LOUIS ARENA	energy_progress
01/18/2024	HVAC-R and service water piping design and insulation	LOUIS ARENA	energy_progress
01/18/2024	HVAC-R and service water heating equipment	LOUIS ARENA	energy_progress
01/18/2024	Tenant Protection Plan Compliance	LOUIS ARENA	special
01/18/2024	Energy Code Compliance Inspections	LOUIS ARENA	progress
01/18/2024	HVAC-R and service water heating system controls	LOUIS ARENA	energy_progress
12/19/2023	HVAC-R and service water heating system controls	LOUIS ARENA	energy_progress
12/19/2023	HVAC-R and service water heating equipment	LOUIS ARENA	energy_progress
12/19/2023	HVAC-R and service water piping design and insulation	LOUIS ARENA	energy_progress
12/19/2023	Tenant Protection Plan Compliance	LOUIS ARENA	special
12/19/2023	Energy Code Compliance Inspections	LOUIS ARENA	progress
12/19/2023	Maintenance information	LOUIS ARENA	energy_progress
06/29/2023	Tenant Protection Plan Compliance	LOUIS ARENA	special
06/29/2023	Energy Code Compliance Inspections	LOUIS ARENA	progress
06/29/2023	Maintenance information	LOUIS ARENA	energy_progress
06/29/2023	HVAC-R and service water piping design and insulation	LOUIS ARENA	energy_progress

Latest 25 of 33.

▾Documents — 90 on file (BIS + DOB NOW)

▸Plans & Drawings5

▸DOB NOWPlans/Sketch5

08/27/2026B00858713-P1Request digital key ↗

08/27/2026B00858713-I1Request digital key ↗

08/27/2026B00858713-P3Request digital key ↗

Showing 3 of 5 on file for this type

▸Applications & Permits16

▸BISWORK PERMIT APPLICATION7

06/13/2017321259124Open ↗

02/09/2016340349803Open ↗

11/17/2015321259124Open ↗

Showing 3 of 7 on file for this type

▸DOB NOWLPC Approval/Permit5

08/14/2026B01423270-I1Open ↗

08/13/2026B00858713-P2Open ↗

08/13/2026B00858713-P3Open ↗

Showing 3 of 5 on file for this type

▸BISPLAN / WORK APPROVAL APPLICATION4

02/09/2016340349803Open ↗

10/21/2015321259124Open ↗

04/17/2009320005926Open ↗

Showing 3 of 4 on file for this type

▸Seals & Professional Certifications34

▸DOB NOWProgress Inspector Seal & Signature10

08/31/2026B00858713-P1Open ↗

08/27/2026B00858713-P3Open ↗

Showing 3 of 10 on file for this type

▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION6

09/28/2018321259124Open ↗

07/22/2016340349803Open ↗

10/21/2015321259124Open ↗

Showing 3 of 6 on file for this type

▸DOB NOWDPL-1: Design Professional Seal & Signature5

08/27/2026B00858713-P1Open ↗

08/27/2026B00858713-I1Open ↗

08/27/2026B00858713-P2Open ↗

Showing 3 of 5 on file for this type

▸DOB NOWSpecial Inspector Seal & Signature5

08/31/2026B00858713-P1Open ↗

08/27/2026B00858713-P3Open ↗

08/26/2026B00858713-I1Open ↗

Showing 3 of 5 on file for this type

▸BISPROFESSIONAL CERTIFICATION STATEMENT2

02/09/2016340349803Open ↗

10/21/2015321259124Open ↗

▸BISPROFESSIONAL CERTIFIED CHECKLIST2

10/21/2015321259124Open ↗

10/17/2007310033683Open ↗

▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY1

02/09/2016340349803Open ↗

▸BISPROFESSIONAL CERTIFICATION STATEMENT FORM1

10/12/2007310033683Open ↗

▸BISREQUIRED ITEMS CHECKLIST FOR PROFESSIONAL CERTIFICATION1

02/09/2016340349803Open ↗

▸BISPC FULL REPORT1

10/12/2007310033683Open ↗

▸Trade Schedules & Equipment3

▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE1

10/21/2015321259124Open ↗

▸BISSELF-CERT PLUMBING NOTICE1

02/20/2008310033683Open ↗

▸BISSCHEDULE B - PLUMBING1

11/15/2007310033683Open ↗

▸Safety & Tenant Protection1

▸BISSTREET TREE CHECKLIST1

04/17/2009320005926Open ↗

▸Environmental & Asbestos5

▸BISTHIS IS 'NOT AN ASBESTOS PROJECT'4

04/17/2009320005926Open ↗

10/12/2007310033683Open ↗

04/17/2009320005926Open ↗

Showing 3 of 4 on file for this type

▸BISASBESTOS: CERTIFICATION (DEP ACP5)1

10/21/2015321259124Open ↗

▸Energy Compliance3

▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS2

09/28/2018321259124Open ↗

10/21/2015321259124Open ↗

▸BISAS-BUILT ENERGY ANALYSIS1

09/28/2018321259124Open ↗

▸Inspections & Test Reports1

▸BISTECHNICAL REPORT: RESPONSIBILITY1

02/09/2016340349803Open ↗

▸Approvals, Objections & Sign-offs9

▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST4

09/28/2018321259124Open ↗

09/02/2016340349803Open ↗

07/22/2016340349803Open ↗

Showing 3 of 4 on file for this type

▸BISADMINISTRATIVE OBJECTIONS2

04/17/2009320005926Open ↗

10/12/2007310033683Open ↗

▸BISLANDMARKS APPROVAL2

02/09/2016340349803Open ↗

10/29/2015321259124Open ↗

▸BISLETTERS - SUPPORTING DOCUMENTATION1

05/31/2013310033683Open ↗

▸Cost, Insurance & Ownership7

▸BISCOST AFFIDAVIT7

09/28/2018321259124Open ↗

10/21/2015321259124Open ↗

05/31/2013310033683Open ↗

Showing 3 of 7 on file for this type

▸Filing & Intake Forms5

▸BISEFILING JOB APPLICATION COVER SHEET2

02/09/2016340349803Open ↗

04/17/2009320005926Open ↗

▸BISADDITIONAL INFORMATION1

09/02/2016340349803Open ↗

▸BISBOROUGH INTAKE FORM1

09/28/2018321259124Open ↗

▸BISEFILING COVER SHEET1

10/21/2015321259124Open ↗

▸Other Documents1

▸BISEXTERNAL FORMS - SUPPORTING DOCUMENTATION1

07/22/2016340349803Open ↗