Two family converted from one family

601 MADISON STREET

BROOKLYN · Bedford-Stuyvesant (East) · BIN 3044895

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1899Year Built

2Stories

B3Building Class

R6BZoning

2,364 sfGross Floor Area

2Units

Rent Stabilized0 Open ViolationsFDNY Report ↗

Two family converted from one family · 1,875 sf lot · 1.26 FAR built · Flood zone X

Locations of Work

ArchitecturePlumbing

Floor 22p · 2 filings · 20 docs

Floor 1

Cellar2p · 2 filings · 20 docs

▾Owner History (Filing Record)

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

Owner	Filings	Most Recent
USA DEVELOPMENT	14	07/08/2026
MTEK UNION LLC	1	03/21/2026

▾Sales History (ACRIS)

Date	Price	Unit	Seller → Buyer	$/sf
01/30/2025	$2.5M	—	— → —	$1,041/sf building
03/19/2024	$1.1M	—	Private party → MTEK UNION LLC	$465/sf building

▾Design Consultants (Architect / Engineer of Record)

Firm	Filings	Most Recent
PRIME ZONE BUILDING CONSULTING	5	11/13/2024

▾Filing Representatives (Expediters)

Representative	Filings	Most Recent
L&C ASSOCIATES	5	03/21/2026

▾Contractors (License-Anchored)

Firm	Trade	Roles	Most Recent
TURN KEY NYC LLC	General Contractor	3	03/21/2026
BERGER QUALITY ELEC'L CON	Electrical	1	03/22/2026
M & M PIPING AND HEATING	Plumbing	1	07/08/2026

▾Special Inspection Agencies

Agency	License #	Filings	Most Recent
CL ENGINEERING P.C.	6781	2	09/18/2024
LAM AND CO CONSULTING LLC	8864	2	09/18/2024

Building Lifecycle

All (35)Filed (5)Permit Issued (2)Signed Off (2)Violation (6)Inspection (8)Special Inspection (12)

11/24/2025

Violation issued (HPD, closed)

01/14/2025

Signed off — Alteration

PLUMBING WORK. AS PER PLANS. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY IN THIS APPLICATION

B01047313-I1

01/09/2025

Signed off — Alteration

INTERIOR RENOVATION IN EXISTING 1-FAMILY 2-STY. RESIDENTIAL BUILDING WITH CELLAR. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY IN THIS APPLICATION.

B01047252-I1

12/31/2024

Inspection — Pass-Final General Construction Non-Directive 14

Pass

View inspection ↗

12/04/2024

Inspection — Fail-Final General Construction Non-Directive 14

Fail

View inspection ↗

11/14/2024

Special inspection requirement — Energy Code Compliance Inspections

JICHEN SUN

11/14/2024

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

JICHEN SUN

11/14/2024

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

JICHEN SUN

11/14/2024

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

JICHEN SUN

11/13/2024

Filed — Alteration

PLUMBING WORK. AS PER PLANS. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY IN THIS APPLICATION

B01047313-P2

11/12/2024

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

JICHEN SUN

11/12/2024

Special inspection requirement — Energy Code Compliance Inspections

JICHEN SUN

11/12/2024

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

JICHEN SUN

11/12/2024

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

JICHEN SUN

10/29/2024

Inspection — Fail-Final General Construction Non-Directive 14

Fail

View inspection ↗

10/17/2024

Inspection — Certified Gas-Gas-Piping-Roughing

Certified

View inspection ↗

10/17/2024

Inspection — Certified Storm Drainage-ST-Piping-Roughing

Certified

View inspection ↗

10/17/2024

Inspection — Certified Storm Drainage-ST-Piping-Underground

Certified

View inspection ↗

10/17/2024

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

Certified

View inspection ↗

10/11/2024

Inspection — Certified Remove/Cap - work done in accordance with code

Certified

View inspection ↗

09/18/2024

Filed — Alteration

PLUMBING WORK. AS PER PLANS. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY IN THIS APPLICATION

B01047313-P1

09/18/2024

Filed — Alteration

INTERIOR RENOVATION IN EXISTING 1-FAMILY 2-STY. RESIDENTIAL BUILDING WITH CELLAR. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY IN THIS APPLICATION.

B01047252-P1

09/18/2024

Special inspection requirement — Energy Code Compliance Inspections

JICHEN SUN

09/18/2024

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

JICHEN SUN

09/18/2024

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

JICHEN SUN

09/18/2024

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

JICHEN SUN

05/20/2024

Permit issued — Plumbing

B01047313-I1-PL

05/20/2024

Permit issued — General Construction

B01047252-I1-GC-CX

05/13/2024

Filed — Alteration

PLUMBING WORK. AS PER PLANS. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY IN THIS APPLICATION

B01047313-I1

05/13/2024

Filed — Alteration

INTERIOR RENOVATION IN EXISTING 1-FAMILY 2-STY. RESIDENTIAL BUILDING WITH CELLAR. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY IN THIS APPLICATION.

B01047252-I1

04/08/2012

Violation issued (HPD, closed)

04/08/2012

Violation issued (HPD, closed)

04/08/2012

Violation issued (HPD, closed)

04/08/2012

Violation issued (HPD, closed)

04/08/2012

Violation issued (HPD, closed)

Permit / Filing Register

Source	Work Type	Status	Applicant	Issued
DOB NOW	Plumbing	Signed-off	M & M PIPING AND HEATING	05/20/2024
DOB NOW	General Construction	Signed-off	TURN KEY NYC LLC	05/20/2024
BIS	OT	ISSUED	KAMTECH RESTORATION CORP	05/28/2019
BIS	PL	ISSUED	MAINLAND PLUMB & HEATING INC.	07/26/1996
BIS	OT	ISSUED	LENFRE CONSTRUCTION CORP.	07/26/1996

2 projects · most recent 10/04/2024

General Wiring

Filed	Status	Contractor	Scope
10/04/2024	Complete	K.A.B. ELECTRIC CORP	General Wiring
06/04/2019	Complete	BERGER QUALITY ELEC'L CON	—

▾Field Inspections (DOB CAP) — 8

Date	Type	Result	Report
12/31/2024	Pass-Final General Construction Non-Directive 14	Pass	View ↗
12/04/2024	Fail-Final General Construction Non-Directive 14	Fail	View ↗
10/29/2024	Fail-Final General Construction Non-Directive 14	Fail	View ↗
10/17/2024	Certified Gas-Gas-Piping-Roughing	Certified	View ↗
10/17/2024	Certified Storm Drainage-ST-Piping-Roughing	Certified	View ↗
10/17/2024	Certified Storm Drainage-ST-Piping-Underground	Certified	View ↗
10/17/2024	Certified Water and Sanitary-WS-Sanitary Piping-Roughing	Certified	View ↗
10/11/2024	Certified Remove/Cap - work done in accordance with code	Certified	View ↗

▾Special Inspection Requirements (DOB NOW) — 12

Date	Requirement	Inspector	Role
11/14/2024	Energy Code Compliance Inspections	JICHEN SUN	progress
11/14/2024	HVAC-R and service water heating system controls	JICHEN SUN	energy_progress
11/14/2024	HVAC-R and service water heating equipment	JICHEN SUN	energy_progress
11/14/2024	HVAC-R and service water piping design and insulation	JICHEN SUN	energy_progress
11/12/2024	HVAC-R and service water heating equipment	JICHEN SUN	energy_progress
11/12/2024	Energy Code Compliance Inspections	JICHEN SUN	progress
11/12/2024	HVAC-R and service water piping design and insulation	JICHEN SUN	energy_progress
11/12/2024	HVAC-R and service water heating system controls	JICHEN SUN	energy_progress
09/18/2024	Energy Code Compliance Inspections	JICHEN SUN	progress
09/18/2024	HVAC-R and service water piping design and insulation	JICHEN SUN	energy_progress
09/18/2024	HVAC-R and service water heating system controls	JICHEN SUN	energy_progress
09/18/2024	HVAC-R and service water heating equipment	JICHEN SUN	energy_progress

▾Documents — 44 on file (BIS + DOB NOW)

▸Plans & Drawings5

▸DOB NOWPlans/Sketch5

08/25/2026B01047252-P1Request digital key ↗

08/25/2026B01047252-I1Request digital key ↗

08/25/2026B01047313-I1Request digital key ↗

Showing 3 of 5 on file for this type

▸Applications & Permits4

▸BISWORK PERMIT APPLICATION2

01/25/2024340678396Open ↗

05/28/2019340678396Open ↗

▸BISPLAN / WORK APPROVAL APPLICATION2

01/25/2024340678396Open ↗

05/21/2019340678396Open ↗

▸Seals & Professional Certifications12

▸DOB NOWProgress Inspector Seal & Signature6

09/26/2026B01047313-I1Open ↗

08/26/2026B01047313-P1Open ↗

Showing 3 of 6 on file for this type

▸DOB NOWDPL-1: Design Professional Seal & Signature5

08/25/2026B01047252-I1Open ↗

08/25/2026B01047313-P2Open ↗

08/25/2026B01047313-P1Open ↗

Showing 3 of 5 on file for this type

▸BISAPPLICANT OWNER SIGNATURE1

05/21/2019340678396Open ↗

▸Safety & Tenant Protection1

▸BISTENANT PROTECTION PLAN AND NOTES1

05/21/2019340678396Open ↗

▸Environmental & Asbestos6

▸DOB NOWDEP ACP-5: Asbestos Assessment Report5

08/25/2026B01047252-I1Open ↗

08/25/2026B01047313-P2Open ↗

08/25/2026B01047313-P1Open ↗

Showing 3 of 5 on file for this type

▸BISASBESTOS: CERTIFICATION (DEP ACP5)1

05/21/2019340678396Open ↗

▸Energy Compliance5

▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY2

02/28/2024340678396Open ↗

05/21/2019340678396Open ↗

▸BISPTA4: SOLAR TAX ABATEMENT APPLICATION (PRELIMINARY)1

05/21/2019340678396Open ↗

▸BISPTA4: SOLAR TAX ABATEMENT APPLICATION (FINAL)1

02/28/2024340678396Open ↗

▸BISAS-BUILT ENERGY ANALYSIS (EN2)1

02/28/2024340678396Open ↗

▸Inspections & Test Reports2

▸BISTECHNICAL REPORT: RESPONSIBILITY2

02/28/2024340678396Open ↗

05/21/2019340678396Open ↗

▸Approvals, Objections & Sign-offs2

▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST1

03/05/2024340678396Open ↗

▸BISFINAL ELECTRICAL SIGNOFF1

03/05/2024340678396Open ↗

▸Cost, Insurance & Ownership2

▸BISCOST AFFIDAVIT2

02/28/2024340678396Open ↗

05/21/2019340678396Open ↗

▸Filing & Intake Forms3

▸BISADDITIONAL INFORMATION2

02/22/2024340678396Open ↗

05/23/2019340678396Open ↗

▸BISEFILING JOB APPLICATION COVER SHEET1

05/21/2019340678396Open ↗

▸Other Documents2

▸BISSupporting Document: Fee Deferment1

02/22/2024340678396Open ↗

▸BISTax Abatement Miscellaneous1

03/05/2024340678396Open ↗