Primarily 2 family with 1 store or office

110-21 JAMAICA AVENUE

QUEENS · Richmond Hill · BIN 4192620

💬 Discuss this project

1931Year Built

3Stories

S2Building Class

R6AZoning

3,687 sfGross Floor Area

3Units

1 Open Violation ▸FDNY Report ↗

Primarily 2 family with 1 store or office · Owner of record: HJ & JW LLC · 2,140 sf lot · 1.72 FAR built · Flood zone X

Locations of Work

MechanicalPlumbing

Cellar2p · 1 filing · 15 docs

▾Owner History (Filing Record)

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

Owner	Filings	Most Recent
KEYSTONE CONTRACTING	4	07/08/2026
MNK ENTERPRISES LLC	5	03/22/2026

▾Sales History (ACRIS)

Date	Price	Unit	Seller → Buyer	$/sf
08/09/2021	$950K	—	Private party → HJ & JW LLC	$258/sf building

▾Design Consultants (Architect / Engineer of Record)

Firm	Filings	Most Recent
LCW ENGINEERING, P.C.	2	12/12/2022
GREEN DESIGN	2	04/27/2021

▾Contractors (License-Anchored)

Firm	Trade	Roles	Most Recent
MNK ENTERPRISES LLC	General Contractor	3	03/21/2026
MPS PLUMBING & HEATING INC	Plumbing	3	07/08/2026
WEBSTAR ELECL CONTRS INC	Electrical	1	03/22/2026
KEYSTONE CONTRACTING CORP	General Contractor	1	07/08/2026

▾Special Inspection Agencies

Agency	License #	Filings	Most Recent
LCW ENGINEERING, PC	1103	1	12/12/2022
BUTTERFIELD & O'CONNOR	4189	1	04/27/2021

Building Lifecycle

All (41)Filed (4)Permit Issued (5)Signed Off (4)Violation (12)Inspection (4)Special Inspection (12)

06/30/2023

Violation issued (DOB, open)

V-DOB VIOLATION - ACTIVE

01/23/2023

Signed off — Alteration

INSTALL RESIDENTIAL BOILERS, HOT WATER HEATERS AND TO REMOVE COMMERCIAL BOILER NO. 60535 IN THE CELLAR. NO CHANGE THE USE, EGRESS OR OCCUPANCY.

Q00785807-I1

01/18/2023

Signed off — Alteration

INSTALL RESIDENTIAL BOILERS, HOT WATER HEATERS AND TO REMOVE COMMERCIAL BOILER NO. 60535 IN THE CELLAR. NO CHANGE THE USE, EGRESS OR OCCUPANCY.

Q00785807-S2

12/22/2022

Inspection — Pass-Final Boiler Equipment Inspection

Pass

View inspection ↗

12/15/2022

Permit issued — Boiler Equipment

Q00785807-S2-BE

12/12/2022

Filed — Alteration

INSTALL RESIDENTIAL BOILERS, HOT WATER HEATERS AND TO REMOVE COMMERCIAL BOILER NO. 60535 IN THE CELLAR. NO CHANGE THE USE, EGRESS OR OCCUPANCY.

Q00785807-S2

12/06/2022

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

luis wong

12/06/2022

Special inspection requirement — Tenant Protection Plan Compliance

luis wong

12/06/2022

Special inspection requirement — Heating Systems

luis wong

12/06/2022

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

luis wong

12/06/2022

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

luis wong

11/14/2022

Permit issued — Boiler Equipment

Q00785807-S1-BE

10/13/2022

Inspection — Certified Water and Sanitary-WS-Fixtures-Finish

Certified

View inspection ↗

10/03/2022

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

Pass

View inspection ↗

09/27/2022

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

Certified

View inspection ↗

08/11/2022

Permit issued — Plumbing

Q00785807-I1-PL

08/09/2022

Filed — Alteration

INSTALL RESIDENTIAL BOILERS, HOT WATER HEATERS AND TO REMOVE COMMERCIAL BOILER NO. 60535 IN THE CELLAR. NO CHANGE THE USE, EGRESS OR OCCUPANCY.

Q00785807-I1

08/02/2022

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

luis wong

08/02/2022

Special inspection requirement — Energy Code Compliance Inspections

luis wong

08/02/2022

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

luis wong

07/29/2021

Signed off — Alteration

INSTALLATION OF TEMPORARY SIDEWALK SHED AS PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY. SIDEWALK SHED SHALL COMPLY WITH CHAPTER #33 OF THE NYC BUILDING CODE.

Q00504045-I1

07/23/2021

Signed off — Alteration

BRICK POINTING WORK FRONT SIDE ONLY. NO WORK ON OTHER SIDE. NO CHANGE IN USE EGRESS OR OCCUPANCY

Q00511293-I1

07/07/2021

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

06/28/2021

Violation issued (ECB, closed)

Construction

05/02/2021

Permit issued — General Construction

Q00511293-I1-GC

04/27/2021

Filed — Alteration

BRICK POINTING WORK FRONT SIDE ONLY. NO WORK ON OTHER SIDE. NO CHANGE IN USE EGRESS OR OCCUPANCY

Q00511293-I1

04/27/2021

Special inspection requirement — Masonry

BRIAN T. O'CONNOR

04/27/2021

Special inspection requirement — Final

BRIAN T. O'CONNOR

04/27/2021

Special inspection requirement — Structural Stability – Alterations of existing buildings

BRIAN T. O'CONNOR

04/15/2021

Filed — Alteration

INSTALLATION OF TEMPORARY SIDEWALK SHED AS PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY. SIDEWALK SHED SHALL COMPLY WITH CHAPTER #33 OF THE NYC BUILDING CODE.

Q00504045-I1

04/15/2021

Permit issued — Sidewalk Shed

Q00504045-I1-SH

04/15/2021

Special inspection requirement — Final

BRIAN T. O'CONNOR

04/13/2021

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

04/13/2021

Violation issued (ECB, closed)

Construction

01/06/2006

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

02/07/2000

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

10/16/1996

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

08/29/1995

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

06/07/1994

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

06/28/1993

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

05/30/1990

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

Permit / Filing Register

Source	Work Type	Status	Applicant	Issued
DOB NOW	Boiler Equipment	Signed-off	MPS PLUMBING & HEATING IN	12/15/2022
DOB NOW	Boiler Equipment	Permit Issued	MPS PLUMBING & HEATING IN	11/14/2022
DOB NOW	Plumbing	Signed-off	MPS PLUMBING & HEATING IN	08/11/2022
DOB NOW	General Construction	Signed-off	KEYSTONE CONTRACTING CORP	05/02/2021
DOB NOW	Sidewalk Shed	Signed-off	MNK ENTERPRISES LLC	04/15/2021
BIS	PL	ISSUED	MAGOR PLG AND HEATING	10/17/1995
BIS	MH	ISSUED	S.L.T. CONSTRUCTION INC.	08/29/1995
BIS	PL	ISSUED	KIN CHI PLG & HTG	03/20/1990
BIS	FP	ISSUED	MASTER FIRE PREVENTION SYSTEMS	02/13/1990
BIS	OT	ISSUED	W.C.L. CONSTRUCTION INC.	02/08/1990

3 projects · most recent 04/15/2021

General Wiring

Filed	Status	Contractor	Scope
04/15/2021	Complete	RICHARD NEU	—
12/30/2020	Permit Issued	WEBSTAR ELECL CONTRS INC	General Wiring
12/08/2019	Complete	JONG HYUN KIM	—

▾Field Inspections (DOB CAP) — 4

Date	Type	Result	Report
12/22/2022	Pass-Final Boiler Equipment Inspection	Pass	View ↗
10/13/2022	Certified Water and Sanitary-WS-Fixtures-Finish	Certified	View ↗
10/03/2022	Pass-Final PL - Up to 3 Requested Floors	Pass	View ↗
09/27/2022	Certified Remove/Cap - work done in accordance with code	Certified	View ↗

▾Special Inspection Requirements (DOB NOW) — 12

Date	Requirement	Inspector	Role
12/06/2022	HVAC-R and service water heating equipment	luis wong	energy_progress
12/06/2022	Tenant Protection Plan Compliance	luis wong	special
12/06/2022	Heating Systems	luis wong	special
12/06/2022	HVAC-R and service water heating system controls	luis wong	energy_progress
12/06/2022	HVAC-R and service water piping design and insulation	luis wong	energy_progress
08/02/2022	HVAC-R and service water piping design and insulation	luis wong	energy_progress
08/02/2022	Energy Code Compliance Inspections	luis wong	progress
08/02/2022	HVAC-R and service water heating equipment	luis wong	energy_progress
04/27/2021	Masonry	BRIAN T. O'CONNOR	special
04/27/2021	Final	BRIAN T. O'CONNOR	progress
04/27/2021	Structural Stability – Alterations of existing buildings	BRIAN T. O'CONNOR	special
04/15/2021	Final	BRIAN T. O'CONNOR	progress

▾Documents — 34 on file (BIS + DOB NOW)

▸Plans & Drawings4

▸DOB NOWPlans/Sketch4

08/27/2026Q00504045-I1Request digital key ↗

08/27/2026Q00511293-I1Request digital key ↗

08/25/2026Q00785807-S2Request digital key ↗

Showing 3 of 4 on file for this type

▸Applications & Permits2

▸BISPLAN / WORK APPROVAL APPLICATION2

02/03/2021420928321Open ↗

10/15/2014420928321Open ↗

▸Seals & Professional Certifications17

▸DOB NOWProgress Inspector Seal & Signature8

09/23/2026Q00785807-S2Open ↗

Showing 3 of 8 on file for this type

▸DOB NOWDPL-1: Design Professional Seal & Signature4

08/13/2026Q00504045-I1Open ↗

08/13/2026Q00785807-I1Open ↗

08/13/2026Q00785807-S2Open ↗

Showing 3 of 4 on file for this type

▸DOB NOWSpecial Inspector Seal & Signature4

09/23/2026Q00785807-S2Open ↗

08/23/2026Q00511293-I1Open ↗

Showing 3 of 4 on file for this type

▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION1

10/15/2014420928321Open ↗

▸Trade Schedules & Equipment1

▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE1

10/15/2014420928321Open ↗

▸Environmental & Asbestos3

▸DOB NOWDEP ACP-5: Asbestos Assessment Report3

08/13/2026Q00785807-I1Open ↗

08/13/2026Q00785807-S2Open ↗

08/13/2026Q00511293-I1Open ↗

▸Energy Compliance1

▸DOB NOWEN2: As Built Energy Analysis1

08/13/2026Q00785807-I1Open ↗

▸Inspections & Test Reports1

▸BISTECHNICAL REPORT: RESPONSIBILITY1

02/01/2021400052036Open ↗

▸Approvals, Objections & Sign-offs3

▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST1

02/01/2021400052036Open ↗

▸BISSCHEDULE A - OCCUPANCY / USE1

10/15/2014420928321Open ↗

▸BISADMINISTRATIVE OBJECTIONS1

10/15/2014420928321Open ↗

▸Cost, Insurance & Ownership1

▸BISCOST AFFIDAVIT1

10/15/2014420928321Open ↗

▸Filing & Intake Forms1

▸BISEFILING COVER SHEET1

10/15/2014420928321Open ↗