Locations of Work

ArchitectureStructuralElectricalMechanicalPlumbing

Floor 34p · 1 filing · 20 docs

Floor 21p · 1 filing · 20 docs

Floor 12p · 1 filing · 20 docs

Basement7p · 1 filing · 20 docs

▾Sales History (ACRIS)

Date	Price	Unit	Seller → Buyer	$/sf
01/27/2025	$1.2M	—	Private party → Private party	$440/sf building

▾Design Consultants (Architect / Engineer of Record)

Firm	Filings	Most Recent
ADAL ENGINEERING PLLC	2	04/03/2026
SQUARE ARCH, LLC	5	03/28/2026

▾Contractors (License-Anchored)

Firm	Trade	Roles	Most Recent
ACHIEVE L.Y. CONSTRUCTION	General Contractor	2	07/08/2026
SAFEPIPE PLUMBING INC	Plumbing	1	07/02/2026

▾Special Inspection Agencies

Agency	License #	Filings	Most Recent
ADAL ENGINEERING PLLC	4205	2	04/03/2026
HUAN DESIGN INC	7669	5	03/28/2026

Building Lifecycle

All (13)Filed (7)Permit Issued (3)Signed Off (3)

07/28/2026

Signed off — Alteration

APPLICATION FILED FOR INTERIOR RENOVATION & RELATEDPLUMBING WORK OF 5237 NETHERLAND AVENUE. NO CHANGEIN USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION.

X01228080-S2

07/07/2026

Signed off — Alteration

APPLICATION FILED FOR INTERIOR RENOVATION & RELATEDPLUMBING WORK OF 5237 NETHERLAND AVENUE. NO CHANGEIN USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION.

X01228080-S1

07/06/2026

Signed off — Alteration

APPLICATION FILED FOR INTERIOR RENOVATION & RELATEDPLUMBING WORK OF 5237 NETHERLAND AVENUE. NO CHANGEIN USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION.

X01228080-I1

06/10/2026

Permit issued — Mechanical Systems

X01228080-S2-MS

04/03/2026

Filed — Alteration

APPLICATION FILED FOR INTERIOR RENOVATION & RELATEDPLUMBING WORK OF 5237 NETHERLAND AVENUE. NO CHANGEIN USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION.

X01228080-P3

03/28/2026

Filed — Alteration

APPLICATION FILED FOR INTERIOR RENOVATION & RELATEDPLUMBING WORK OF 5237 NETHERLAND AVENUE. NO CHANGEIN USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION.

X01228080-P4

01/28/2026

Filed — Alteration

APPLICATION FILED FOR INTERIOR RENOVATION & RELATEDPLUMBING WORK OF 5237 NETHERLAND AVENUE. NO CHANGEIN USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION.

X01228080-P1

01/18/2026

Filed — Alteration

APPLICATION FILED FOR INTERIOR RENOVATION & RELATEDPLUMBING WORK OF 5237 NETHERLAND AVENUE. NO CHANGEIN USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION.

X01228080-P2

08/14/2025

Permit issued — General Construction

X01228080-I1-GC

08/14/2025

Permit issued — Plumbing

X01228080-S1-PL

08/13/2025

Filed — Alteration

APPLICATION FILED FOR INTERIOR RENOVATION & RELATEDPLUMBING WORK OF 5237 NETHERLAND AVENUE. NO CHANGEIN USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION.

X01228080-S2

07/25/2025

Filed — Alteration

APPLICATION FILED FOR INTERIOR RENOVATION & RELATEDPLUMBING WORK OF 5237 NETHERLAND AVENUE. NO CHANGEIN USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION.

X01228080-S1

07/16/2025

Filed — Alteration

APPLICATION FILED FOR INTERIOR RENOVATION & RELATEDPLUMBING WORK OF 5237 NETHERLAND AVENUE. NO CHANGEIN USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION.

X01228080-I1

Permit / Filing Register

Source	Work Type	Status	Applicant	Issued
DOB NOW	Mechanical Systems	Signed-off	ACHIEVE L.Y. CONSTRUCTION	06/10/2026
DOB NOW	General Construction	Signed-off	ACHIEVE L.Y. CONSTRUCTION	08/14/2025
DOB NOW	Plumbing	Signed-off	BELLEROSE PLBG & HTG	08/14/2025

1 project · most recent 04/03/2026

Air Conditioning Systems

Filed	Status	Contractor	Scope	Make / Model / Capacity
04/03/2026	Signed-off	ACHIEVE L.Y. CONSTRUCTION	Air Conditioning Systems	Cooling Daikin 4MXL36WMVJU9 36,000 BTU · Heat Pump Outdoor ×6 3MXL24WMVJU9 24,000 BTU · Condensing Unit ×2

1 project · most recent 04/03/2026

Gas Water/Sanitary

Filed	Status	Contractor	Scope
04/03/2026	Signed-off	SAFEPIPE PLUMBING INC	Gas, Water/Sanitary

1 project · most recent 02/10/2026

General Wiring

Filed	Status	Contractor	Scope
02/10/2026	Complete	KJK ELECTRIC INC	General Wiring

▾Field Inspections (DOB CAP) — 5

Date	Type	Result	Report
01/06/2026	Fail-Final PL - Up to 3 Requested Floors	Fail	View ↗
10/17/2025	Certified Gas-Gas-Piping-Roughing	Certified	View ↗
10/17/2025	Certified Water and Sanitary-WS-Sanitary Piping-Roughing	Certified	View ↗
10/17/2025	Certified Water and Sanitary-WS-Sanitary Piping-Underground	Certified	View ↗
10/15/2025	Certified Remove/Cap - work done in accordance with code	Certified	View ↗

▾Special Inspection Requirements (DOB NOW) — 29

Date	Requirement	Inspector	Role
04/03/2026	Mechanical Systems	Dariusz Makara	special
04/03/2026	Final	Dariusz Makara	progress
04/03/2026	Shutoff dampers	Dariusz Makara	energy_progress
04/03/2026	HVAC-R and service water heating system controls	Dariusz Makara	energy_progress
04/03/2026	HVAC-R and service water piping design and insulation	Dariusz Makara	energy_progress
04/03/2026	HVAC-R and service water heating equipment	Dariusz Makara	energy_progress
04/03/2026	Fire-Resistant Penetrations and Joints	Dariusz Makara	special
03/26/2026	Fire-Resistant Penetrations and Joints	ZHENHUAN XU	special
01/26/2026	Fire-Resistant Penetrations and Joints	Dariusz Makara	special
01/26/2026	Mechanical Systems	Dariusz Makara	special
01/26/2026	Final	Dariusz Makara	progress
01/26/2026	HVAC-R and service water heating equipment	Dariusz Makara	energy_progress
01/26/2026	HVAC-R and service water heating system controls	Dariusz Makara	energy_progress
01/26/2026	HVAC-R and service water piping design and insulation	Dariusz Makara	energy_progress
01/26/2026	Shutoff dampers	Dariusz Makara	energy_progress
01/20/2026	Final	Kaijin Liang	progress
01/20/2026	Energy Code Compliance Inspections	ZHENHUAN XU	progress
01/20/2026	Fenestration areas	ZHENHUAN XU	energy_progress
01/20/2026	Lighting controls	ZHENHUAN XU	energy_progress
01/20/2026	Fenestration air leakage	ZHENHUAN XU	energy_progress
01/20/2026	Lighting in dwelling units	ZHENHUAN XU	energy_progress
01/20/2026	Fire-Resistant Penetrations and Joints	ZHENHUAN XU	special
01/16/2026	Fire-Resistant Penetrations and Joints	ZHENHUAN XU	special
01/16/2026	Final	ZHENHUAN XU	progress
01/16/2026	Lighting in dwelling units	ZHENHUAN XU	energy_progress

Latest 25 of 29.

▾Documents — 43 on file (BIS + DOB NOW)

▸Plans & Drawings7

▸DOB NOWPlans/Sketch7

08/18/2026X01228080-P1Request digital key ↗

08/18/2026X01228080-P4Request digital key ↗

08/18/2026X01228080-P3Request digital key ↗

Showing 3 of 7 on file for this type

▸Seals & Professional Certifications29

▸DOB NOWProgress Inspector Seal & Signature16

09/29/2026X01228080-I1Open ↗

Showing 3 of 16 on file for this type

▸DOB NOWDPL-1: Design Professional Seal & Signature7

08/18/2026X01228080-P4Open ↗

08/13/2026X01228080-P1Open ↗

08/13/2026X01228080-S2Open ↗

Showing 3 of 7 on file for this type

▸DOB NOWSpecial Inspector Seal & Signature6

09/29/2026X01228080-I1Open ↗

08/27/2026X01228080-P3Open ↗

08/24/2026X01228080-S2Open ↗

Showing 3 of 6 on file for this type

▸Environmental & Asbestos7

▸DOB NOWDEP ACP-5: Asbestos Assessment Report7

08/18/2026X01228080-P4Open ↗

08/13/2026X01228080-S1Open ↗

08/13/2026X01228080-P3Open ↗

Showing 3 of 7 on file for this type