Locations of Work

ArchitectureMechanicalPlumbingGeneral

Roof2p · 1 filing · 11 docs

Floor 21p · 1 filing · 11 docs

Floor 13p · 1 filing · 11 docs

Cellar9p · 2 filings · 20 docs

▾Owner History (Filing Record)

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

Owner	Filings	Most Recent
PEAK	8	07/08/2026
3230 OWNER LLC	1	03/22/2026
EAST COAST USA CONST.INC	1	03/21/2026
KARTSONIS REALTY II	2	03/21/2026

▾Sales History (ACRIS)

Date	Price	Unit	Seller → Buyer	$/sf
05/17/2022	$4.4M	—	KARSTONIS REALTY II, LLC → 3230 OWNER LLC	$445/sf building

▾Design Consultants (Architect / Engineer of Record)

Firm	Filings	Most Recent
AK CONSULTING SERVICES, INC	1	08/28/2025
JAMES CHAI ARCHITECT, P.C.	4	09/13/2022

▾Filing Representatives (Expediters)

Representative	Filings	Most Recent
HTX BUILDING CONSULTING	4	03/21/2026
AK CONSULTING SERVICES	2	03/21/2026

▾Contractors (License-Anchored)

Firm	Trade	Roles	Most Recent
JKO CONSTRUCTION & CONSU*	General Contractor	3	03/21/2026
JKO USA MANAGEMENT INC	General Contractor	2	03/21/2026
KANE, PAPA	Electrical	1	03/21/2026
PETROS DIMITRIADIS	Electrical	1	03/21/2026
SPADARO, JERRY	Electrical	1	03/21/2026
5 BORO CONSTRUCTION SERV*	General Contractor	1	04/09/2026
DIMITRIADIS PETROS	Electrical	1	03/21/2026
PIPESTYLISTS, INC	Plumbing	1	07/08/2026
INTERBORO PLBG & HTG CORP	Electrical	1	03/21/2026

▾Special Inspection Agencies

Agency	License #	Filings	Most Recent
AK CONSULTING SERVICES, I	6198	1	08/28/2025
JAMES JH CHAI & ASSOCIATE	6481	4	09/13/2022

Building Lifecycle

All (60)Filed (5)Permit Issued (4)Signed Off (2)Violation (20)Inspection (2)Special Inspection (27)

09/19/2025

Permit issued — General Construction

Q01276527-I1-GC

08/28/2025

Filed — Alteration

REPAIR OR REPLACEMENT OF WINDOW LINTEL ON THE FACADES AS PER INDICATED ON PLAN.THERE WILL BE NO CHANGE IN USE, EGRESS, OR OCCUPANCY UNDER THIS APPLICATION.

Q01276527-I1

08/25/2025

Special inspection requirement — Masonry

MAHFUZAR RAHMAN

08/25/2025

Special inspection requirement — Structural Stability – Alterations of existing buildings

MAHFUZAR RAHMAN

08/25/2025

Special inspection requirement — Tenant Protection Plan Compliance

MAHFUZAR RAHMAN

08/22/2025

Special inspection requirement — Final

MAHFUZAR RAHMAN

04/10/2024

Violation issued (HPD, closed)

B

04/10/2024

Violation issued (HPD, closed)

C

04/10/2024

Violation issued (HPD, closed)

C

04/10/2024

Violation issued (HPD, closed)

C

06/30/2023

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

04/25/2023

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

03/28/2023

Violation issued (HPD, closed)

A

11/22/2022

Signed off — Alteration

PLUMBING WORK TO RENOVATE UNITS #1A, 2A, 3A, 4A, 1B, 3B, 4B, 1C, 2C, 3C, 4C, 1D, 2D, 3D, 4D, 1E, 2E, 3E, 4E & COMMON HALLWAY FROM CELLAR TO ROOF. NO CHANGE TO USE, EGRESS OR OCCUPANCY.

Q00783919-I1

11/22/2022

Signed off — Alteration

RENOVATE UNITS 1A, 2A, 3A, 4A, 1B, 3B, 4B, 1C, 2C, 3C, 4C, 1D, 2D, 3D, 4D, 1E,2E, 3E, 4E & COMMON HALLWAY FROM CELLAR TO ROOF, INCLUDE REMOVING AND INSTALLING NEW INTERIOR NON-LOAD BEARING PARTITIONS, MECHANICAL, LIGHTING AND FINISH WORK. NO CHANGE TO US

Q00783901-I1

10/24/2022

Permit issued — Mechanical Systems

Q00783901-I1-GC-CX

09/30/2022

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

Certified

View inspection ↗

09/21/2022

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

Certified

View inspection ↗

09/15/2022

Special inspection requirement — Maintenance information

Joon Ho Chai

09/15/2022

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

Joon Ho Chai

09/15/2022

Special inspection requirement — Fire-Resistant Penetrations and Joints

Joon Ho Chai

09/15/2022

Special inspection requirement — Energy Code Compliance Inspections

Joon Ho Chai

09/15/2022

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

Joon Ho Chai

09/15/2022

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

Joon Ho Chai

09/14/2022

Special inspection requirement — Fenestration air leakage

Joon Ho Chai

09/14/2022

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

Joon Ho Chai

09/14/2022

Special inspection requirement — Fenestration areas

Joon Ho Chai

09/14/2022

Special inspection requirement — Shutoff dampers

Joon Ho Chai

09/14/2022

Special inspection requirement — Lighting in dwelling units

Joon Ho Chai

09/14/2022

Special inspection requirement — Interior lighting power

Joon Ho Chai

09/14/2022

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

Joon Ho Chai

09/14/2022

Special inspection requirement — Fenestration and door U-factor and product ratings

Joon Ho Chai

09/14/2022

Special inspection requirement — Mechanical Systems

Joon Ho Chai

09/14/2022

Special inspection requirement — Fire-Resistant Penetrations and Joints

Joon Ho Chai

09/14/2022

Special inspection requirement — Final

Joon Ho Chai

09/14/2022

Special inspection requirement — Energy Code Compliance Inspections

Joon Ho Chai

09/14/2022

Special inspection requirement — Fire-Resistance Rated Construction

Joon Ho Chai

09/14/2022

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

Joon Ho Chai

09/14/2022

Special inspection requirement — Lighting controls

Joon Ho Chai

09/14/2022

Special inspection requirement — Maintenance information

Joon Ho Chai

09/14/2022

Special inspection requirement — Metering

Joon Ho Chai

09/13/2022

Filed — Alteration

PLUMBING WORK TO RENOVATE UNITS #1A, 2A, 3A, 4A, 1B, 3B, 4B, 1C, 2C, 3C, 4C, 1D, 2D, 3D, 4D, 1E, 2E, 3E, 4E & COMMON HALLWAY FROM CELLAR TO ROOF. NO CHANGE TO USE, EGRESS OR OCCUPANCY.

Q00783919-P1

09/13/2022

Filed — Alteration

RENOVATE UNITS 1A, 2A, 3A, 4A, 1B, 3B, 4B, 1C, 2C, 3C, 4C, 1D, 2D, 3D, 4D, 1E,2E, 3E, 4E & COMMON HALLWAY FROM CELLAR TO ROOF, INCLUDE REMOVING AND INSTALLING NEW INTERIOR NON-LOAD BEARING PARTITIONS, MECHANICAL, LIGHTING AND FINISH WORK. NO CHANGE TO US

Q00783901-P1

08/11/2022

Permit issued — Mechanical Systems

Q00783901-I1-GC-CX

08/10/2022

Permit issued — Plumbing

Q00783919-I1-PL

08/08/2022

Filed — Alteration

PLUMBING WORK TO RENOVATE UNITS #1A, 2A, 3A, 4A, 1B, 3B, 4B, 1C, 2C, 3C, 4C, 1D, 2D, 3D, 4D, 1E, 2E, 3E, 4E & COMMON HALLWAY FROM CELLAR TO ROOF. NO CHANGE TO USE, EGRESS OR OCCUPANCY.

Q00783919-I1

08/08/2022

Filed — Alteration

RENOVATE UNITS 1A, 2A, 3A, 4A, 1B, 3B, 4B, 1C, 2C, 3C, 4C, 1D, 2D, 3D, 4D, 1E,2E, 3E, 4E & COMMON HALLWAY FROM CELLAR TO ROOF, INCLUDE REMOVING AND INSTALLING NEW INTERIOR NON-LOAD BEARING PARTITIONS, MECHANICAL, LIGHTING AND FINISH WORK. NO CHANGE TO US

Q00783901-I1

06/14/2022

Violation issued (HPD, open)

B

03/03/2022

Violation issued (HPD, closed)

A

06/21/2021

Violation issued (HPD, open)

A

06/21/2021

Violation issued (HPD, closed)

B

06/21/2021

Violation issued (HPD, closed)

B

06/21/2021

Violation issued (HPD, closed)

B

06/21/2021

Violation issued (HPD, open)

A

06/21/2021

Violation issued (HPD, open)

A

03/16/2021

Violation issued (HPD, closed)

C

03/16/2021

Violation issued (HPD, closed)

C

08/11/2015

Violation issued (ECB, closed)

Construction

03/18/2013

Violation issued (HPD, open)

B

03/18/2013

Violation issued (HPD, closed)

B

Permit / Filing Register

Source	Work Type	Status	Applicant	Issued
DOB NOW	General Construction	Permit Issued	5 BORO CONSTRUCTION SERV*	09/19/2025
DOB NOW	Mechanical Systems	Signed-off	JKO USA MANAGEMENT	10/24/2022
DOB NOW	Mechanical Systems	Signed-off	JKO CONSTRUCTION & CONSU*	08/11/2022
DOB NOW	Plumbing	Signed-off	T & T PLUMBING INC	08/10/2022
BIS	EQ	ISSUED	EAST COAST USA CONST INC	06/23/2015
BIS	FB	ISSUED	PETE GONZALEZ HEATING CO	11/18/2013
BIS	PL	ISSUED	B & A PLBG & HTG CORP	11/18/2013
BIS	OT	ISSUED	TRIF GENERAL CONTRACTOR I	11/08/2012

1 project · most recent 01/19/2023

General Wiring

Filed	Status	Contractor	Scope
01/19/2023	Complete	E & M ELECTRICAL NY CORP	General Wiring

▾Field Inspections (DOB CAP) — 2

Date	Type	Result	Report
09/30/2022	Certified Water and Sanitary-WS-Sanitary Piping-Roughing	Certified	View ↗
09/21/2022	Certified Water and Sanitary-WS-Sanitary Piping-Roughing	Certified	View ↗

▾Special Inspection Requirements (DOB NOW) — 27

Date	Requirement	Inspector	Role
08/25/2025	Masonry	MAHFUZAR RAHMAN	special
08/25/2025	Structural Stability – Alterations of existing buildings	MAHFUZAR RAHMAN	special
08/25/2025	Tenant Protection Plan Compliance	MAHFUZAR RAHMAN	special
08/22/2025	Final	MAHFUZAR RAHMAN	progress
09/15/2022	Maintenance information	Joon Ho Chai	energy_progress
09/15/2022	HVAC-R and service water piping design and insulation	Joon Ho Chai	energy_progress
09/15/2022	Fire-Resistant Penetrations and Joints	Joon Ho Chai	special
09/15/2022	Energy Code Compliance Inspections	Joon Ho Chai	progress
09/15/2022	HVAC-R and service water heating equipment	Joon Ho Chai	energy_progress
09/15/2022	HVAC-R and service water heating system controls	Joon Ho Chai	energy_progress
09/14/2022	Fenestration air leakage	Joon Ho Chai	energy_progress
09/14/2022	HVAC-R and service water heating equipment	Joon Ho Chai	energy_progress
09/14/2022	Fenestration areas	Joon Ho Chai	energy_progress
09/14/2022	Shutoff dampers	Joon Ho Chai	energy_progress
09/14/2022	Lighting in dwelling units	Joon Ho Chai	energy_progress
09/14/2022	Interior lighting power	Joon Ho Chai	energy_progress
09/14/2022	HVAC-R and service water piping design and insulation	Joon Ho Chai	energy_progress
09/14/2022	Fenestration and door U-factor and product ratings	Joon Ho Chai	energy_progress
09/14/2022	Mechanical Systems	Joon Ho Chai	special
09/14/2022	Fire-Resistant Penetrations and Joints	Joon Ho Chai	special
09/14/2022	Final	Joon Ho Chai	progress
09/14/2022	Energy Code Compliance Inspections	Joon Ho Chai	progress
09/14/2022	Fire-Resistance Rated Construction	Joon Ho Chai	progress
09/14/2022	HVAC-R and service water heating system controls	Joon Ho Chai	energy_progress
09/14/2022	Lighting controls	Joon Ho Chai	energy_progress

Latest 25 of 27.

▾Documents — 68 on file (BIS + DOB NOW)

▸Plans & Drawings5

▸DOB NOWPlans/Sketch5

08/26/2026Q00783901-P1Request digital key ↗

08/26/2026Q00783901-I1Request digital key ↗

08/26/2026Q00783919-P1Request digital key ↗

Showing 3 of 5 on file for this type

▸Applications & Permits9

▸BISPLAN / WORK APPROVAL APPLICATION5

06/17/2015440228004Open ↗

11/20/2014420632792Open ↗

08/28/2014440116125Open ↗

Showing 3 of 5 on file for this type

▸BISWORK PERMIT APPLICATION4

06/29/2015440228004Open ↗

11/18/2013440116125Open ↗

Showing 3 of 4 on file for this type

▸Seals & Professional Certifications24

▸DOB NOWProgress Inspector Seal & Signature6

08/26/2026Q01276527-I1Open ↗

08/26/2026Q00783901-I1Open ↗

Showing 3 of 6 on file for this type

▸DOB NOWDPL-1: Design Professional Seal & Signature5

08/26/2026Q00783901-P1Open ↗

08/26/2026Q00783901-I1Open ↗

08/19/2026Q01276527-I1Open ↗

Showing 3 of 5 on file for this type

▸DOB NOWSpecial Inspector Seal & Signature3

08/26/2026Q01276527-I1Open ↗

08/26/2026Q00783901-I1Open ↗

08/25/2026Q00783919-I1Open ↗

▸BISREQUIRED ITEMS CHECKLIST FOR PROFESSIONAL CERTIFICATION2

06/17/2015440228004Open ↗

11/18/2013440116125Open ↗

▸BISPROFESSIONAL CERTIFICATION STATEMENT2

06/17/2015440228004Open ↗

11/18/2013440116125Open ↗

▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY2

06/17/2015440228004Open ↗

11/18/2013440116125Open ↗

▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION2

01/31/2015420632792Open ↗

10/12/2012420632792Open ↗

▸BISPROFESSIONAL CERTIFIED CHECKLIST1

10/12/2012420632792Open ↗

▸BISPROFESSIONAL CERTIFICATION STATEMENT FORM1

10/12/2012420632792Open ↗

▸Trade Schedules & Equipment5

▸BISSCHEDULE B - PLUMBING2

11/18/2013440116125Open ↗

10/12/2012420632792Open ↗

▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE1

08/28/2014440116125Open ↗

▸BISBOILERS - SUPPORTING DOCUMENTATION1

09/03/2014440116125Open ↗

▸BISSCHEDULE C - HEATING & COMBUSTION EQUIPMENT1

11/18/2013440116125Open ↗

▸Environmental & Asbestos7

▸DOB NOWDEP ACP-5: Asbestos Assessment Report5

08/26/2026Q00783901-I1Open ↗

08/26/2026Q00783901-P1Open ↗

08/19/2026Q01276527-I1Open ↗

Showing 3 of 5 on file for this type

▸BISASBESTOS: CERTIFICATION (DEP ACP5)2

11/18/2013440116125Open ↗

10/12/2012420632792Open ↗

▸Energy Compliance7

▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS2

01/31/2015420632792Open ↗

10/12/2012420632792Open ↗

▸DOB NOWEN2: As Built Energy Analysis2

08/13/2026Q00783919-I1Open ↗

08/13/2026Q00783901-I1Open ↗

▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY1

11/18/2013440116125Open ↗

▸BISAS-BUILT ENERGY ANALYSIS1

01/31/2015420632792Open ↗

▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY FOR ENERGY CODE PROGRESS INSPECTIONS1

11/18/2013440116125Open ↗

▸Inspections & Test Reports2

▸BISTECHNICAL REPORT: RESPONSIBILITY2

06/17/2015440228004Open ↗

11/18/2013440116125Open ↗

▸Approvals, Objections & Sign-offs3

▸BISADMINISTRATIVE OBJECTIONS1

10/12/2012420632792Open ↗

▸BISLETTERS - SUPPORTING DOCUMENTATION1

06/29/2015440228004Open ↗

▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST1

03/20/2015420632792Open ↗

▸Cost, Insurance & Ownership3

▸BISCOST AFFIDAVIT3

01/31/2015420632792Open ↗

11/18/2013440116125Open ↗

10/12/2012420632792Open ↗

▸Filing & Intake Forms3

▸BISEFILING JOB APPLICATION COVER SHEET2

06/17/2015440228004Open ↗

11/18/2013440116125Open ↗

▸BISEFILING COVER SHEET1

10/12/2012420632792Open ↗