Elevator cooperative

Riverdale House

474 WEST 238 STREET · BIN 2083984

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1939Year Built

6Stories

D4Building Class

R6Zoning

76,500 sfGross Floor Area

54Units

LL97 CoveredRent Stabilized0 Open ViolationsFISP: SWARMP

Elevator cooperative · Owner of record: RIVERDALE HOUSE OWNERS CORP · 17,500 sf lot · 4.37 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
PARK CONTRACTING GROUP	5	09/08/2026
NORWAX ASSOCIATES	4	07/08/2026
RIVERDALE HOUSE OWNERS	39	03/22/2026
RIVERDALE HOUSING	4	03/21/2026
STEEL INDUSTRIES	2	03/21/2026
TERRIS REALTY	2	03/21/2026

▾Design Consultants (Architect / Engineer of Record)

Firm	Filings	Most Recent
ALWAYS FAST SERVICES CORP	2	06/13/2026
HOWARD L ZIMMERMAN ARCH & ENG DPC	3	05/14/2026
COWLEY ENGINEERING, PC	1	07/03/2025
SCALAR ARCHITECTURE PC	1	03/10/2020

▾Filing Representatives (Expediters)

Representative	Filings	Most Recent
HOWARD L ZIMMERMAN ARCHITECTS	4	03/21/2026
SYNERGY BUILDING CONSULTANTS	1	03/21/2026
THERESA VOLTAGGIO	1	03/21/2026
AE DESIGN SOLUTION	4	03/21/2026

▾Contractors (License-Anchored)

Firm	Trade	Roles	Most Recent
SASCO CONSTRUCTION ENTER	General Contractor	3	03/21/2026
MODERN SERVICES SOLUTIONS	General Contractor	2	07/08/2026
PRACTICAL PLBG & HTG INC	Plumbing	2	03/22/2026
PARK CONTRACTING GROUP	General Contractor	1	04/09/2026
RICHARD NEU	Electrical	1	03/21/2026
G.BASSOLINO PLUMBING LTD	Plumbing	1	07/08/2026
GEORGE BASSOLINO	Plumbing	1	03/21/2026
AXCEL ELECTRIC CO., INC.	Electrical	1	03/22/2026

▾Special Inspection Agencies

Agency	License #	Filings	Most Recent
KZ ENGINEERING, P.C.	4665	1	10/21/2025
AG ENGINEERING PLLC	8899	1	07/03/2025
COWLEY ENGINEERING	186	1	07/03/2025

Building Lifecycle

All (89)Filed (9)Permit Issued (7)Signed Off (1)Facade (FISP) (12)Violation (52)Inspection (3)Objection (2)Special Inspection (3)

06/13/2026

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.

X01292361-P1

05/14/2026

Filed — Alteration

New domestic water backflow preventer and booster pump installation per plans. No change in use, egress or occupancy.

X01058106-P2

05/04/2026

Special inspection requirement — Tenant Protection Plan Compliance

02/23/2026

Permit issued — General Construction

X01072112-I1-GC

01/20/2026

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

Pass

View inspection ↗

12/05/2025

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

Pass

View inspection ↗

11/07/2025

Permit issued — General Construction

X01072112-I1-GC

10/31/2025

Permit issued — Suspended Scaffold

X01305221-I1-SC

10/21/2025

Filed — Alteration

Installation of suspended scaffold for facade inspection/repair.

X01305221-I1

10/20/2025

Special inspection requirement — Alternative Materials - OTCR Buildings Bulletin Number

Karol Zdancewicz

10/20/2025

Special inspection requirement — Post-installed Anchors

Karol Zdancewicz

09/29/2025

Permit issued — Sidewalk Shed

X01292361-I1-SH

09/26/2025

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.

X01292361-I1

09/02/2025

Permit issued — Plumbing

X01058106-I1-PL

08/20/2025

Inspection — Pass-Final PL - Up to 9 Requested Floors

Pass

View inspection ↗

07/03/2025

Filed — Alteration

X01072112-I1

06/11/2025

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

09/17/2024

Permit issued — Suspended Scaffold

X01111807-I1-SC

09/16/2024

Filed — Alteration

X01111807-I1

09/11/2024

Objection resolved — Addressed

09/09/2024

Objection raised — Scope

09/05/2024

Filed — Alteration

New domestic water backflow preventer and booster pump installation per plans. No change in use, egress or occupancy.

X01058106-P1

05/30/2024

Filed — Alteration

New domestic water backflow preventer and booster pump installation per plans. No change in use, egress or occupancy.

X01058106-I1

03/20/2024

Cycle 9 facade report signed — SWARMP

02/06/2024

Cycle 9 facade report submitted

12/27/2023

Cycle 9 facade inspection completed

12/20/2021

Violation issued (ECB, closed)

Construction

05/03/2021

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

05/03/2021

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

04/08/2021

Signed off — Alteration

INSTALLATION OF SIDEWALK SHED AS PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY.

X00328389-I1

05/09/2020

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

05/09/2020

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

03/13/2020

Permit issued — Sidewalk Shed

X00328389-I1-SH

03/10/2020

Filed — Alteration

INSTALLATION OF SIDEWALK SHED AS PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY.

X00328389-I1

05/04/2019

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

05/04/2019

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

10/23/2018

Cycle 8 facade report signed — SWARMP

05/11/2018

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

05/11/2018

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

02/20/2018

Cycle 8 facade report submitted

01/05/2018

Cycle 8 facade inspection completed

05/11/2017

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

05/11/2017

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

10/21/2015

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

10/21/2015

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

10/06/2014

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

10/06/2014

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

08/14/2013

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

08/14/2013

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

02/14/2013

Cycle 7 facade report submitted

02/11/2013

Cycle 7 facade report signed — SWARMP

01/09/2013

Cycle 7 facade inspection completed

09/17/2012

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

05/03/2012

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

04/07/2011

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

04/07/2011

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

08/12/2010

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

08/12/2010

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

04/20/2010

Violation issued (HPD, closed)

04/20/2010

Violation issued (HPD, closed)

Latest 60 of 89 events.

Permit / Filing Register

Source	Work Type	Status	Applicant	Issued
DOB NOW	General Construction	Permit Issued	MODERN SERVICES SOLUTIONS	02/23/2026
DOB NOW	General Construction	Permit Issued	MODERN SERVICES SOLUTIONS	11/07/2025
DOB NOW	Suspended Scaffold	Permit Issued	BIG APPLE RENOVATING & CO	10/31/2025
DOB NOW	Sidewalk Shed	Permit Issued	PARK CONTRACTING GROUP	09/29/2025
DOB NOW	Plumbing	Signed-off	G.BASSOLINO PLUMBING LTD	09/02/2025
DOB NOW	Suspended Scaffold	Permit Issued	SASCO BUILDERS INC	09/17/2024
DOB NOW	Sidewalk Shed	Signed-off	SASCO CONSTRUCTION ENT	03/13/2020
BIS	OT	ISSUED	PERAJ GENERAL CONSTRUCTIO	07/22/2020
BIS	PL	ISSUED	WATER DYNAMIC P & H CORP	04/23/2019
BIS	OT	ISSUED	FA INTERIOR CONSTR. INC	04/08/2019
BIS	OT	ISSUED	PERAJ GENERAL CONSTRUCTIO	02/28/2017
BIS	OT	ISSUED	CHAMPION COMBUSTION CORP	08/27/2013
BIS	PL	ISSUED	CHAMP PLUMBING & HTG CORP	08/27/2013
BIS	OT	ISSUED	JRR CONTRACTING INC	11/29/2012
BIS	EQ	ISSUED	ROCKLEDGE SCAFFOLD CORP	11/19/2012
BIS	OT	ISSUED	RCD RESTORATIONS INC	12/07/2010
BIS	EQ	ISSUED	STEEL INSUSTRIES, INC	11/22/2010
BIS	EQ	ISSUED	STEEL INSUSTRIES, INC	10/22/2010
BIS	EQ	ISSUED	EVEREST SCAFFOLDING INC	09/22/2009
BIS	OT	ISSUED	ADELPHI RESTORATION CORP	09/15/2009
BIS	OT	ISSUED	AJEET CONST CORP	02/23/2009
BIS	EQ	ISSUED	EVEREST SCAFFOLDING INC	02/12/2008
BIS	OT	ISSUED	ADELPHI RESTORATION CORP	11/14/2007
BIS	PL	ISSUED	P.S.I. MECHANICAL	04/20/2006
BIS	PL	ISSUED	WARD MECHANICAL CORP	08/15/2005
BIS	OT	ISSUED	ADELPHI RESTORATION CORP	08/03/2005
BIS	OT	ISSUED	RICHARD MISHKIN CONTRACTING INC	07/25/2005
BIS	EQ	ISSUED	LAUREDA CONSTRUCTION INC	07/05/2005
BIS	OT	ISSUED	AJEET CONST CORP	05/02/2005
BIS	OT	ISSUED	AJEET CONST CORP	04/20/2005
BIS	OT	ISSUED	AJEET CONST CORP	08/02/2004
BIS	PL	ISSUED	P.S.I. MECHANICAL	05/13/2004
BIS	OT	ISSUED	AJEET CONST CORP	05/06/2004
BIS	PL	ISSUED	ZARA PLUMBING CORP	06/20/2003
BIS	OT	ISSUED	ALLSTATE RESTORATION CORP.	06/12/2000
BIS	EQ	ISSUED	SPRING SCAFFOLDING INC	06/02/2000
BIS	BL	ISSUED	H. LIEBLICH & CO., INC.	06/22/1990

1 project · most recent 05/14/2026

Water/Sanitary

Filed	Status	Contractor	Scope
05/14/2026	Signed-off	G.BASSOLINO PLUMBING LTD	Water/Sanitary

25 projects · most recent 05/15/2026

General Wiring

Filed	Status	Contractor	Scope
05/15/2026	Complete	AXCEL ELECTRIC CO., INC.	—
03/02/2026	Complete	AXCEL ELECTRIC CO., INC.	—
09/30/2025	Permit Issued	RICHARD NEU	—
09/09/2025	Complete	AXCEL ELECTRIC CO., INC.	—
06/23/2025	Permit Issued	WCK ELECTRIC CORP.	General Wiring
02/18/2025	Complete	AXCEL ELECTRIC CO., INC.	—
11/03/2024	Complete	AXCEL ELECTRIC CO., INC.	—
04/13/2024	Complete	AXCEL ELECTRIC CO., INC.	—
03/07/2024	Complete	AXCEL ELECTRIC CO., INC.	—
11/05/2023	Complete	LIFE SPOT ELECTRIC CORP	—
05/02/2023	Complete	AXCEL ELECTRIC CO., INC.	—
02/13/2023	Complete	AXCEL ELECTRIC CO., INC.	—
09/30/2022	Complete	AXCEL ELECTRIC CO., INC.	—
08/07/2022	Complete	AXCEL ELECTRIC CO., INC.	—
04/13/2022	Complete	AXCEL ELECTRIC CO., INC.	—

1 project · most recent 06/13/2026

Sidewalk Shed

Filed	Status	Contractor	Scope
06/13/2026	Permit Issued	PARK CONTRACTING GROUP	Sidewalk Shed

1 project · most recent 10/21/2025

Suspended Scaffold (SC)

Filed	Status	Contractor	Scope
10/21/2025	Permit Issued	BIG APPLE RENOVATING & CO	Suspended Scaffold (SC)

▾Field Inspections (DOB CAP) — 3

Date	Type	Result	Report
01/20/2026	Pass-Final PL - Up to 3 Requested Floors	Pass	View ↗
12/05/2025	Pass-Final PL - Up to 3 Requested Floors	Pass	View ↗
08/20/2025	Pass-Final PL - Up to 9 Requested Floors	Pass	View ↗

▾Special Inspection Requirements (DOB NOW) — 3

Date	Requirement	Inspector	Role
05/04/2026	Tenant Protection Plan Compliance	—	special
10/20/2025	Alternative Materials - OTCR Buildings Bulletin Number	Karol Zdancewicz	special
10/20/2025	Post-installed Anchors	Karol Zdancewicz	special

▾Documents — 244 on file (BIS + DOB NOW)

▸Plans & Drawings8

▸DOB NOWPlans/Sketch7

08/21/2026X01058106-I1Request digital key ↗

08/21/2026X01058106-P2Request digital key ↗

08/21/2026X01111807-I1Request digital key ↗

Showing 3 of 7 on file for this type

▸DOB NOWPlans/Sketch - Sidewalk Shed1

08/26/2026X00328389-I1Request digital key ↗

▸Applications & Permits49

▸BISPLAN / WORK APPROVAL APPLICATION26

05/27/2021240170961Open ↗

05/25/2021240170961Open ↗

05/19/2021240170961Open ↗

Showing 3 of 26 on file for this type

▸BISWORK PERMIT APPLICATION21

07/22/2020240270504Open ↗

04/07/2020240270504Open ↗

11/07/2019220556244Open ↗

Showing 3 of 21 on file for this type

▸BISNon-Directive 14 Construction Sign Off Including Sign Applications2

08/04/2010210020261Open ↗

07/30/2010220028743Open ↗

▸Seals & Professional Certifications50

▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION19

11/04/2019220556244Open ↗

09/23/2019220684203Open ↗

04/08/2019220684203Open ↗

Showing 3 of 19 on file for this type

▸DOB NOWDPL-1: Design Professional Seal & Signature6

08/26/2026X00328389-I1Open ↗

08/21/2026X01058106-I1Open ↗

08/21/2026X01058106-P1Open ↗

Showing 3 of 6 on file for this type

▸BISPROFESSIONAL CERTIFICATION STATEMENT5

03/11/2020240270504Open ↗

11/04/2019220556244Open ↗

10/15/2018240240342Open ↗

Showing 3 of 5 on file for this type

▸BISPROFESSIONAL CERTIFIED CHECKLIST5

11/04/2019220556244Open ↗

08/27/2013220332316Open ↗

11/08/2012220238044Open ↗

Showing 3 of 5 on file for this type

▸BISREQUIRED ITEMS CHECKLIST FOR PROFESSIONAL CERTIFICATION4

03/11/2020240270504Open ↗

10/15/2018240240342Open ↗

02/03/2017240170961Open ↗

Showing 3 of 4 on file for this type

▸BISPROFESSIONAL CERTIFICATION STATEMENT FORM4

08/27/2013220332316Open ↗

11/08/2012220238044Open ↗

10/22/2010220088857Open ↗

Showing 3 of 4 on file for this type

▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY4

03/11/2020240270504Open ↗

10/15/2018240240342Open ↗

02/03/2017240170961Open ↗

Showing 3 of 4 on file for this type

▸DOB NOWSpecial Inspector Seal & Signature2

08/25/2026X01305221-I1Open ↗

▸BISPC FULL REPORT1

On file, but not among the 200 most recently loaded documents for this source.

Showing 0 of 1 on file for this type

▸Trade Schedules & Equipment7

▸BISSCHEDULE B - PLUMBING2

10/15/2018240240342Open ↗

08/27/2013220332316Open ↗

▸BISSELF-CERT PLUMBING NOTICE2

01/14/2014220332316Open ↗

01/09/2014220332316Open ↗

▸BISSCHEDULE C - HEATING & COMBUSTION EQUIPMENT1

08/27/2013220332316Open ↗

▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE1

02/22/2019220684203Open ↗

▸BISBOILERS - SUPPORTING DOCUMENTATION1

01/09/2014220332316Open ↗

▸Safety & Tenant Protection6

▸BISTENANT PROTECTION PLAN AND NOTES5

06/02/2021240170961Open ↗

03/11/2020240270504Open ↗

10/15/2018240240342Open ↗

Showing 3 of 5 on file for this type

▸DOB NOWTenant Protection Plan1

08/13/2026X00328389-I1Open ↗

▸Environmental & Asbestos18

▸BISASBESTOS: CERTIFICATION (DEP ACP5)8

03/11/2020240270504Open ↗

11/04/2019220556244Open ↗

02/22/2019220684203Open ↗

Showing 3 of 8 on file for this type

▸BISASBESTOS EXEMPTION CERTIFICATION LETTER5

10/22/2010220088857Open ↗

09/22/2009220028743Open ↗

08/27/2009220025185Open ↗

Showing 3 of 5 on file for this type

▸DOB NOWDEP ACP-5: Asbestos Assessment Report3

08/21/2026X01058106-P2Open ↗

08/21/2026X01058106-I1Open ↗

08/15/2026X01058106-P1Open ↗

▸BISTHIS IS 'NOT AN ASBESTOS PROJECT'2

11/08/2010220091503Open ↗

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▸Energy Compliance20

▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS9

11/04/2019220556244Open ↗

09/23/2019220684203Open ↗

04/09/2019220684203Open ↗

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▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY4

09/29/2020220556244Open ↗

07/08/2020240240342Open ↗

03/11/2020240270504Open ↗

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▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY FOR ENERGY CODE PROGRESS INSPECTIONS3

03/11/2020240270504Open ↗

10/15/2018240240342Open ↗

02/03/2017240170961Open ↗

▸BISAS-BUILT ENERGY ANALYSIS (EN2)2

04/30/2021240170961Open ↗

09/29/2020220556244Open ↗

▸BISAS-BUILT ENERGY ANALYSIS2

09/23/2019220684203Open ↗

05/22/2013220238044Open ↗

▸Inspections & Test Reports13

▸BISTECHNICAL REPORT: RESPONSIBILITY12

04/30/2021240170961Open ↗

09/29/2020220556244Open ↗

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▸BISFIRE-RESISTANT PENETRATIONS AND JOINTS (FIRESTOP)1

07/19/2020240270504Open ↗

▸Approvals, Objections & Sign-offs30

▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST14

06/04/2021240170961Open ↗

09/29/2020220556244Open ↗

09/23/2019220684203Open ↗

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▸BISADMINISTRATIVE OBJECTIONS8

11/08/2012220238044Open ↗

11/08/2010220091503Open ↗

10/22/2010220088857Open ↗

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▸BISLETTERS - SUPPORTING DOCUMENTATION8

03/23/2021240240342Open ↗

01/21/2015220332316Open ↗

07/20/2013220238044Open ↗

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▸Cost, Insurance & Ownership22

▸BISCOST AFFIDAVIT20

05/28/2021240170961Open ↗

03/11/2020240270504Open ↗

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▸BISCOST AFFIDAVIT (FINAL): PW32

06/04/2021240170961Open ↗

09/29/2020220556244Open ↗

▸Filing & Intake Forms16

▸BISEFILING COVER SHEET8

11/04/2019220556244Open ↗

02/22/2019220684203Open ↗

08/27/2013220332316Open ↗

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▸BISEFILING JOB APPLICATION COVER SHEET4

03/11/2020240270504Open ↗

10/15/2018240240342Open ↗

02/03/2017240170961Open ↗

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▸BISADDITIONAL INFORMATION3

05/28/2021240170961Open ↗

04/30/2021240170961Open ↗

03/13/2020240270504Open ↗

▸BISBOROUGH INTAKE FORM1

09/23/2019220684203Open ↗

▸Other Documents5

▸DOB NOWManufacturer's Specifications2

08/13/2026X01111807-I1Open ↗

08/13/2026X01305221-I1Open ↗

▸DOB NOWCalculations2

08/13/2026X01305221-I1Open ↗

08/13/2026X01111807-I1Open ↗

▸BISEXTERNAL FORMS - SUPPORTING DOCUMENTATION1

11/19/2012240014462Open ↗