Two family converted from one family

144 UNDERHILL AVENUE

BROOKLYN · BIN 3028828

💬 Discuss this project

1910Year Built

3Stories

B3Building Class

R6BZoning

4,128 sfGross Floor Area

2Units

2 Open Violations 1 unresolved · 1 paperwork only ▸FDNY Report ↗

Two family converted from one family · 2,300 sf lot · 1.79 FAR built · Flood zone X

Locations of Work

No floor-level scope or drawing coverage on file for this building.

▾Owner History (Filing Record)

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

Owner	Filings	Most Recent
J G CONSTRUCTION SRVCS	9	09/30/2026

▾Sales History (ACRIS)

Date	Price	Unit	Seller → Buyer	$/sf
04/29/2022	$6.4M	—	Private party → Private party	$1,548/sf building

▾Design Consultants (Architect / Engineer of Record)

Firm	Filings	Most Recent
ALWAYS FAST SERVICES CORP	2	05/20/2026
KMA DESIGNS LLC	1	03/21/2025

▾Filing Representatives (Expediters)

Representative	Filings	Most Recent
KMA DESIGNS LLC	2	03/21/2026

▾Contractors (License-Anchored)

Firm	Trade	Roles	Most Recent
J & G CONSTRUCTION SVCS	General Contractor	5	09/30/2026

Building Lifecycle

All (16)Filed (3)Permit Issued (5)Signed Off (1)Violation (7)

09/29/2026

Permit issued — Sidewalk Shed

B01404159-I1-SH

05/20/2026

Filed — Alteration

PROPOSED INSTALLATION OF TEMPORARY PIPE SCAFFOLD AS PER PLANS. WORK SHALL COMPLY WITH CHAPTER #33 OF 2022 THE NYC BUILDING CODE. NO CHANGE IN USE, OCCUPANCY, OR EGRESS UNDER THIS APPLICATION.

B01404160-I1

05/20/2026

Filed — Alteration

INSTALLATION OF TEMPORARY HEAVY DUTY SIDEWALK SHED AS PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY. SIDEWALK SHED SHALL COMPLY WITH CHAPTER #33 OF 2022 THE NYC BUILDING CODE. LIVE LOAD 300PSF.

B01404159-I1

05/20/2026

Permit issued — Supported Scaffold

B01404160-I1-SF

05/20/2026

Permit issued — Sidewalk Shed

B01404159-I1-SH

11/21/2025

Signed off — Alteration

installation of heavy duty sidewalk shed and pipe scaffolding. no change in use, occupancy or egress. work shall comply with chapter 33 of nycbc.

B01193118-I1

03/21/2025

Filed — Alteration

installation of heavy duty sidewalk shed and pipe scaffolding. no change in use, occupancy or egress. work shall comply with chapter 33 of nycbc.

B01193118-I1

03/21/2025

Permit issued — Sidewalk Shed

B01193118-I1-SF

03/21/2025

Permit issued — Sidewalk Shed

B01193118-I1-SH

04/16/2018

Violation issued (ECB, closed)

Zoning

04/16/2018

Violation issued (ECB, closed)

Construction

04/16/2018

Violation issued (ECB, open)

Construction

11/24/2015

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

11/24/2015

Violation issued (DOB, open)

V-DOB VIOLATION - ACTIVE

08/19/2011

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

07/09/2010

Violation issued (DOB, closed)

VW*-VIOLATION - WORK W/O PERMIT DISMISSED

Permit / Filing Register

Source	Work Type	Status	Applicant	Issued
DOB NOW	Sidewalk Shed	Permit Issued	J & G CONSTRUCTION SVCS	09/29/2026
DOB NOW	Supported Scaffold	Permit Issued	J & G CONSTRUCTION SVCS	05/20/2026
DOB NOW	Sidewalk Shed	Permit Issued	J & G CONSTRUCTION SVCS	05/20/2026
DOB NOW	Sidewalk Shed	Signed-off	J & G CONSTRUCTION SVCS	03/21/2025
DOB NOW	Sidewalk Shed	Signed-off	J & G CONSTRUCTION SVCS	03/21/2025
BIS	OT	ISSUED	DOPPLER INNOVATIONS INC	12/15/2017
BIS	EQ	ISSUED	SANDO BUILDING CONTRACTOR	06/12/2014
BIS	OT	ISSUED	SANDO BUILDING CONTRACTOR	06/12/2014
BIS	PL	ISSUED	S & L PLUMBING INC	05/30/2013
BIS	MH	ISSUED	A & J GENERAL CONST GROUP	11/26/2012
BIS	OT	ISSUED	A & J GENERAL CONST GROUP	11/26/2012
BIS	PL	ISSUED	S & L PLUMBING INC	01/20/2012
BIS	PL	ISSUED	CATMAN PLUMBING INC	11/22/2011
BIS	OT	ISSUED	RY & Z CONSTRUCTION INC	11/17/2011
BIS	OT	ISSUED	RY & Z CONSTRUCTION INC	11/17/2011
BIS	MH	ISSUED	RY & Z CONSTRUCTION INC	11/17/2011
BIS	OT	ISSUED	RY & Z CONSTRUCTION INC	12/03/2010
BIS	MH	ISSUED	RY & Z CONSTRUCTION INC	12/03/2010
BIS	PL	ISSUED	CATMAN PLUMBING INC	08/20/2010
BIS	OT	ISSUED	RY & Z CONSTRUCTION INC	08/18/2010

1 project · most recent 03/11/2025

Filed	Status	Contractor	Scope
03/11/2025	Permit Issued	RICHARD NEU	—

2 projects · most recent 05/20/2026

Scaffold Sidewalk Shed

Filed	Status	Contractor	Scope
05/20/2026	Permit Issued	J & G CONSTRUCTION SVCS	Scaffold
05/20/2026	Permit Issued	J & G CONSTRUCTION SVCS	Sidewalk Shed

Nothing on file for this building.

▾Documents — 83 on file (BIS + DOB NOW)

▸Plans & Drawings3

▸DOB NOWPlans/Sketch3

08/22/2026B01193118-I1Request digital key ↗

08/16/2026B01404159-I1Request digital key ↗

08/16/2026B01404160-I1Request digital key ↗

▸Applications & Permits32

▸BISWORK PERMIT APPLICATION17

12/18/2017320998952Open ↗

06/20/2014320998952Open ↗

Showing 3 of 17 on file for this type

▸BISPLAN / WORK APPROVAL APPLICATION15

08/16/2022320174734Open ↗

03/02/2022320174734Open ↗

12/20/2017320174734Open ↗

Showing 3 of 15 on file for this type

▸Seals & Professional Certifications13

▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION8

03/22/2018320998952Open ↗

06/20/2014320998952Open ↗

Showing 3 of 8 on file for this type

▸DOB NOWDPL-1: Design Professional Seal & Signature3

08/22/2026B01193118-I1Open ↗

08/16/2026B01404159-I1Open ↗

08/16/2026B01404160-I1Open ↗

▸BISPROFESSIONAL CERTIFICATION STATEMENT1

06/20/2014320998952Open ↗

▸BISPROFESSIONAL CERTIFIED CHECKLIST1

06/20/2014320998952Open ↗

▸Trade Schedules & Equipment8

▸BISSCHEDULE B - PLUMBING4

02/16/2012320174734Open ↗

06/13/2011320174734Open ↗

05/26/2011320174734Open ↗

Showing 3 of 4 on file for this type

▸BISSELF-CERT PLUMBING NOTICE4

06/27/2013320174734Open ↗

06/12/2012320174734Open ↗

03/08/2012320174734Open ↗

Showing 3 of 4 on file for this type

▸Safety & Tenant Protection1

▸BISSTREET TREE CHECKLIST1

06/20/2014320998952Open ↗

▸Environmental & Asbestos2

▸BISASBESTOS: CERTIFICATION (DEP ACP5)1

06/20/2014320998952Open ↗

▸BISTHIS IS 'NOT AN ASBESTOS PROJECT'1

06/17/2010320174734Open ↗

▸Energy Compliance4

▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS3

03/22/2018320998952Open ↗

06/20/2014320998952Open ↗

▸BISAS-BUILT ENERGY ANALYSIS1

03/22/2018320998952Open ↗

▸Approvals, Objections & Sign-offs7

▸BISLETTERS - SUPPORTING DOCUMENTATION2

03/22/2018320998952Open ↗

01/23/2012320174734Open ↗

▸BISLANDMARKS APPROVAL2

06/20/2014320998952Open ↗

08/12/2010320174734Open ↗

▸BISADMINISTRATIVE OBJECTIONS2

06/20/2014320998952Open ↗

06/17/2010320174734Open ↗

▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST1

03/22/2018320998952Open ↗

▸Cost, Insurance & Ownership5

▸BISCOST AFFIDAVIT5

03/22/2018320998952Open ↗

06/20/2014320998952Open ↗

06/17/2010320174734Open ↗

Showing 3 of 5 on file for this type

▸Filing & Intake Forms8

▸BISADDITIONAL INFORMATION6

10/14/2011320174734Open ↗

Showing 3 of 6 on file for this type

▸BISEFILING COVER SHEET1

06/20/2014320998952Open ↗

▸BISBOROUGH INTAKE FORM1

03/22/2018320998952Open ↗