Office with commercial, 1-6 stories

837 11 AVENUE

MANHATTAN · BIN 1027167

💬 Discuss this project

1940Year Built

5Stories

O5Building Class

C4-7Zoning

12,707 sfGross Floor Area

6Units

1 Open Violation 0 unresolved · 1 paperwork only ▸

Office with commercial, 1-6 stories · Owner of record: CATS WEST 57 STREET, LLC · 2,542 sf lot · 5 FAR built · Flood zone X

Locations of Work

ArchitectureStructuralMechanicalFire ProtectionEquipment

Roof4p · 6 filings · 20 docs

Bulkhead3p · 1 filing · 2 docs

Floor 41p · 1 filing · 5 docs

Floor 3

Floor 2

Floor 13p · 2 filings · 11 docs

Cellar3p · 3 filings · 14 docs

▾Owner History (Filing Record)

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

Owner	Filings	Most Recent
RED APPLE GROUP	22	09/13/2026
BILGEO REALTY	46	03/22/2026
CATS WEST 57TH ST LLC	1	03/22/2026
A.P.L MANAGEMENT CORP	1	03/22/2026
OWNER OF 600 W 57 ST	1	03/22/2026
OWNER OF 600W 57ST	1	03/22/2026
TO THE OWNER OF TASO REST	1	03/22/2026
OWNER OF 600 WEST 57 ST	1	03/22/2026
BILGES REALTY CORP	2	03/22/2026
RED APPLE REAL ESTATE	2	03/21/2026

▾Sales History (ACRIS)

Date	Price	Unit	Seller → Buyer	$/sf
01/20/2016	$16.0M	—	BILGEO REALTY CORP. → CATS WEST 57 STREET, LLC	$1,259/sf building

▾Design Consultants (Architect / Engineer of Record)

Firm	Filings	Most Recent
CLAUDE HURT JR. ARCHITECT	2	08/25/2026
LEON SKVIRSKY PE	3	08/24/2026
NEW AGE ENGINEERING PLLC	2	07/14/2026
SOTIR ASSOCIATES	4	01/10/2023
KMB DESIGN GROUP, LLC	3	02/22/2022
ASHRAF CORP	1	03/07/2021
SCHERER DESIGN GROUP	1	12/12/2017

▾Filing Representatives (Expediters)

Representative	Filings	Most Recent
CCM CONSULTING GROUP, INC.	4	03/21/2026
TASHEED BUILDING CONSULTANTS	1	03/21/2026
SOTIR ASSOCIATES	1	03/21/2026

▾Contractors (License-Anchored)

Firm	Trade	Roles	Most Recent
BUSKO REALTY CORP	General Contractor	4	03/21/2026
OVERLAND CONTRACTING INC	General Contractor	4	07/08/2026
PAUL SIGNS	Scaffold	3	08/30/2026
NEXT SOLUTIONS C.S. INC	General Contractor	3	03/21/2026
LEONCIO REYES	Electrical	2	03/21/2026
UNIQUE FIRE SYSTEMS INC	General Contractor	2	03/21/2026
WALSH LAWRENCE	Electrical	1	03/21/2026
SHAM CONSTRUCTION GROUP	General Contractor	1	07/08/2026
KATAN P & H INC	Plumbing	1	07/08/2026
G.M DIAMOND'S CONSTRUCTIN	General Contractor	1	04/09/2026

▾Special Inspection Agencies

Agency	License #	Filings	Most Recent
NEW AGE ENGINEERING PLLC	7746	2	07/14/2026
SOTIR ASSOCIATES	7473	2	01/10/2023
ASHRAF CORPORATION	1973	1	03/07/2021
KMB DESIGN GROUP, LLC	513	2	01/20/2021
SCHERER DESIGN GROUP, LLC	6303	1	12/12/2017

Building Lifecycle

All (125)Filed (17)Permit Issued (12)Signed Off (6)Violation (60)Objection (19)Special Inspection (11)

08/28/2026

Permit issued — Sign

M01433424-I1-SG

08/28/2026

Permit issued — Sign

M01433414-I1-SG

08/28/2026

Permit issued — Sign

M01433432-I1-SG

08/25/2026

Filed — Alteration

Document existing HVAC unit to obtain Certificate of Compliance.

M01344608-P1

08/24/2026

Filed — Alteration

INSTALL EXTERIOR ILLUMINATED WALL SIGN (STUDIO PILATES)

M01433432-I1

08/24/2026

Filed — Alteration

INSTALL EXTERIOR ILLUMINATED WALL SIGN (STUDIO PILATES)

M01433424-I1

08/24/2026

Filed — Alteration

INSTALL EXTERIOR ILLUMINATED WALL SIGN (STUDIO PILATES)

M01433414-I1

08/20/2026

Special inspection requirement — Mechanical Systems

08/20/2026

Special inspection requirement — Final

07/20/2026

Special inspection requirement — Final

LEON SKVIRSKY

07/20/2026

Special inspection requirement — Final

LEON SKVIRSKY

07/20/2026

Special inspection requirement — Final

LEON SKVIRSKY

07/14/2026

Filed — Alteration

INTERIOR RENOVATION OF EXISTING COMMERCIAL SPACE AS PER PLANS. NO CHANGE IN USE, OCCUPANCY, OR EGRESS.

M01314346-P1

07/13/2026

Special inspection requirement — Final

Stephen Shishko

07/13/2026

Special inspection requirement — Fire-Resistant Penetrations and Joints

Stephen Shishko

04/18/2026

Filed — Alteration

IRA to assist with condition assessment

M01388096-I1

03/26/2026

Filed — Alteration

Document existing HVAC unit to obtain Certificate of Compliance.

M01344608-I1

03/04/2026

Permit issued — General Construction

M01314346-I1-GC

02/27/2026

Filed — Alteration

INTERIOR RENOVATION OF EXISTING COMMERCIAL SPACE AS PER PLANS. NO CHANGE IN USE, OCCUPANCY, OR EGRESS.

M01314346-I1

01/09/2026

Special inspection requirement — Mechanical Systems

01/09/2026

Special inspection requirement — Final

06/24/2024

Signed off — Alteration

M00801510-I1

04/03/2023

Permit issued — General Construction

M00801510-I1-GC-CX

01/12/2023

Permit issued — Mechanical Systems

M00801510-I1-GC-CX

01/10/2023

Filed — Alteration

M00801510-I1

11/22/2022

Signed off — Alteration

FILING TO OBTAIN EQUIPMENT USE PERMITS FOR EXISTING (1) HEAT PUMP UNIT & EXISTING (2) COPELAND OUTDOOR REFRIGERATION UNITS ON ROOF. NO NEW WORK IS PROPOSED.

M08038822-I1

11/21/2022

Permit issued — Mechanical Systems

M08038822-I1-MS

11/16/2022

Filed — Alteration

FILING TO OBTAIN EQUIPMENT USE PERMITS FOR EXISTING (1) HEAT PUMP UNIT & EXISTING (2) COPELAND OUTDOOR REFRIGERATION UNITS ON ROOF. NO NEW WORK IS PROPOSED.

M08038822-I1

08/29/2022

Signed off — Alteration

M00662528-I1

07/19/2022

Violation issued (FDNY_ORDER, closed)

07/19/2022

Violation issued (FDNY_ORDER, closed)

07/18/2022

Filed — Alteration

APPLICATION FILED TO OBTAIN GAS TEST FOR EXISTING COMMERCIAL COOKING EQUIPMENT IN ORDER TO RESTORE GAS SERVICE, WITH NO NEW WORK PROPOSED.

M00746483-I1

05/16/2022

Violation issued (FDNY_ORDER, closed)

05/16/2022

Violation issued (FDNY_ORDER, closed)

04/07/2022

Permit issued — Antenna

M00662528-I1-AN

02/22/2022

Filed — Alteration

M00662528-I1

10/26/2021

Signed off — Alteration

AT&T - Replacement and relocation of existing antennas with installation of RRH units on roof. Retrofit of cabinet in existing equipment room in cellar. All work in compliance with TPPN 5/98. No change to occupancy, use, or egress.

M00344144-I1

04/20/2021

Permit issued — Mechanical Systems

M00388071-I1-MS

03/07/2021

Filed — Alteration

Filing for installation of Self-cleaning exhaust ventilation unit for the Cooking commercial Hood at 1st floor store. No change in Use egress or occupancy

M00388071-I1

02/18/2021

Permit issued — Antenna

M00344144-I1-AN

02/11/2021

Objection resolved — Addressed

02/11/2021

Objection resolved — Addressed

01/25/2021

Objection raised — Admin

01/25/2021

Objection raised — Admin

01/20/2021

Filed — Alteration

M00344144-I1

08/20/2020

Special inspection requirement — Mechanical Systems

AKM HOQUE

08/20/2020

Special inspection requirement — Final

Jay Kavi

01/10/2020

Signed off — Alteration

M00251159-I1

11/25/2019

Signed off — Alteration

Replacement of existing telecommunications antennas with installation/replacement of RRH units on roof. Installation of RRH units in existing equipment room in cellar. All work in compliance with TPPN 5/98. No change to occupancy, use, or egress.

M00000557-I1

11/12/2019

Permit issued — Plumbing

M00251159-I1-PL

11/05/2019

Filed — Alteration

M00251159-I1

10/03/2018

Permit issued — Antenna

M00000557-I1-AN

05/23/2018

Objection raised — AN -Other

05/23/2018

Objection raised — AN -Other

05/23/2018

Objection raised — AN -Other

05/23/2018

Objection raised — AN -Other

05/23/2018

Objection raised — AN -Other

05/23/2018

Objection raised — AN -Other

05/23/2018

Objection raised — AN -Other

05/22/2018

Filed — Alteration

T-mobile - Relocation of antenna sector and installation of kickbacks on the roof. All work is in compliance with TPPN 5/98. No change in use,egress, or occupancy.

M00023915-I1

Latest 60 of 125 events.

Permit / Filing Register

Source	Work Type	Status	Applicant	Issued
DOB NOW	Sign	Permit Issued	PAUL SIGNS, INC	08/28/2026
DOB NOW	Sign	Permit Issued	PAUL SIGNS, INC	08/28/2026
DOB NOW	Sign	Permit Issued	PAUL SIGNS, INC	08/28/2026
DOB NOW	General Construction	Signed-off	G.M DIAMOND'S CONSTRUCTIN	03/04/2026
DOB NOW	General Construction	Signed-off	BUSKO REALTY CORP	04/03/2023
DOB NOW	Mechanical Systems	Signed-off	BUSKO REALTY CORP	01/12/2023
DOB NOW	Mechanical Systems	Permit Issued	SHAM CONSTRUCTION GROUP	11/21/2022
DOB NOW	Antenna	Signed-off	OVERLAND CONTRACTING INC	04/07/2022
DOB NOW	Mechanical Systems	Permit Issued	JJK BUILDING CONSULTING	04/20/2021
DOB NOW	Antenna	Signed-off	OVERLAND CONTRACTING INC	02/18/2021
DOB NOW	Plumbing	Signed-off	KATAN P & H INC	11/12/2019
DOB NOW	Antenna	Signed-off	NEXT SOLUTIONS C.S. INC	10/03/2018
BIS	OT	ISSUED	SQUAN CONSTRUCTION SERVIC	08/03/2020
BIS	EQ	ISSUED	UNIVERSAL BUILD SUPP LLC	08/29/2017
BIS	EQ	ISSUED	UNIVERSAL BUILD SUPP LLC	08/11/2016
BIS	OT	ISSUED	ODYSSIA GLOBAL COMM. CORP	02/08/2016
BIS	OT	ISSUED	SQUAN CONSTRUCTION SERVIC	11/20/2015
BIS	OT	ISSUED	ODYSSIA GLOBAL COMM. CORP	07/24/2015
BIS	OT	ISSUED	ARMA RENOVATION CORP	07/14/2015
BIS	OT	ISSUED	SQUAN CONSTRUCTION SERVIC	06/29/2015
BIS	OT	ISSUED	TFC WEST 57 GC LLC	05/22/2015
BIS	OT	ISSUED	BECHTEL INFRASTRUCTURE AN	11/04/2014
BIS	OT	ISSUED	ACADIA CONSTRUCTION CORP	05/16/2014
BIS	MH	ISSUED	EMPIRE TELECOM USA,LLC	03/21/2014
BIS	OT	ISSUED	EMPIRE ERECTORS & ELECTRI	10/02/2012
BIS	—	ISSUED	NORTH SHORE NEON SIGN CO	09/06/2012
BIS	—	ISSUED	NORTH SHORE NEON SIGN CO	08/30/2012
BIS	OT	ISSUED	J.A. LEE ELECTRIC INC	05/26/2011
BIS	FP	ISSUED	ACTIVE FIRE CONTROL, INC	01/07/2011
BIS	EQ	ISSUED	CS BRIDGE CORP	04/20/2010
BIS	OT	ISSUED	ARMA RENOVATIONS CORP	02/04/2010
BIS	EQ	ISSUED	MAIDENBERG CORP	12/03/2009
BIS	EQ	ISSUED	MAIDENBERG CORP	12/03/2009
BIS	OT	ISSUED	SBA COMMUNICATIONS CORP	01/07/2009
BIS	OT	ISSUED	JBL ELECTR.	05/28/2004
BIS	FP	ISSUED	NEW YORK BUSINESS FIRE SYSTEM IN	12/26/2002
BIS	OT	ISSUED	GJF CONST CORP DBA BUILDERS	01/29/2002
BIS	OT	ISSUED	INTERBORO SIGN MAINT	06/04/2001
BIS	OT	ISSUED	INTERBORO SIGN & MAINTENANCE	04/12/2001
BIS	OT	ISSUED	GRAND WATERPROOFING CO	11/22/2000

+ 6 more permits on file

2 projects · most recent 08/25/2026

Air Conditioning Systems Ventilation Systems

Filed	Status	Contractor	Scope	Make / Model / Capacity
08/25/2026	—	—	Air Conditioning Systems	Cooling Cooper & Hunter CH-N60LCU-230VO UL file number SA33108 5 tons · Condensing Unit ×2
03/07/2021	Permit Issued	UNIQUE FIRE SYSTEMS INC	Ventilation Systems	—

9 projects · most recent 09/01/2026

General Wiring

Filed	Status	Contractor	Scope
09/01/2026	Permit Issued	LIMITLESS ELECT RESOURCES	—
09/01/2026	Permit Issued	LIMITLESS ELECT RESOURCES	—
09/01/2026	Permit Issued	LIMITLESS ELECT RESOURCES	—
03/05/2026	Permit Issued	RIVIERA ELECT BROS CORP	General Wiring
02/09/2026	Complete	EUREKA ELECTRIC CONTNG CO	General Wiring
12/22/2025	Complete	LERCO ELECTRIC LLC	General Wiring
04/03/2023	Permit Issued	WCK ELECTRIC CORP.	General Wiring
06/21/2022	Permit Issued	SAFETECH ELECL CONTNG COR	General Wiring
10/29/2019	Permit Issued	I.S.M. ELECTRIC, INC.	General Wiring

1 project · most recent 04/18/2026

Filed	Status	Contractor	Scope
04/18/2026	—	—	—

▾Special Inspection Requirements (DOB NOW) — 11

Date	Requirement	Inspector	Role
08/20/2026	Mechanical Systems	—	special
08/20/2026	Final	—	progress
07/20/2026	Final	LEON SKVIRSKY	progress
07/20/2026	Final	LEON SKVIRSKY	progress
07/20/2026	Final	LEON SKVIRSKY	progress
07/13/2026	Final	Stephen Shishko	progress
07/13/2026	Fire-Resistant Penetrations and Joints	Stephen Shishko	special
01/09/2026	Mechanical Systems	—	special
01/09/2026	Final	—	progress
08/20/2020	Mechanical Systems	AKM HOQUE	special
08/20/2020	Final	Jay Kavi	progress

▾Documents — 341 on file (BIS + DOB NOW)

▸Plans & Drawings16

▸DOB NOWPlans/Sketch13

09/02/2026M00662528-I1Request digital key ↗

09/02/2026M00746483-I1Request digital key ↗

09/01/2026M08038822-I1Request digital key ↗

Showing 3 of 13 on file for this type

▸DOB NOWPlans/Sketch - Mechanical Systems1

09/04/2026M00388071-I1Request digital key ↗

▸DOB NOWPlans/Sketch - Antenna1

09/04/2026M00344144-I1Request digital key ↗

▸DOB NOWPlans/Sketch - Plumbing1

09/05/2026M00251159-I1Request digital key ↗

▸Applications & Permits51

▸BISPLAN / WORK APPROVAL APPLICATION29

05/20/2020122282190Open ↗

05/14/2020122282190Open ↗

05/12/2020122282190Open ↗

Showing 3 of 29 on file for this type

▸BISWORK PERMIT APPLICATION22

08/03/2020122282190Open ↗

11/04/2019140875621Open ↗

09/01/2017140524680Open ↗

Showing 3 of 22 on file for this type

▸Seals & Professional Certifications90

▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION43

02/18/2020140875621Open ↗

05/22/2018140524680Open ↗

Showing 3 of 43 on file for this type

▸DOB NOWDPL-1: Design Professional Seal & Signature16

09/10/2026M01344608-P1Open ↗

09/06/2026M00000557-I1Open ↗

09/06/2026M00023915-I1Open ↗

Showing 3 of 16 on file for this type

▸BISPROFESSIONAL CERTIFIED CHECKLIST9

06/26/2015122268508Open ↗

05/19/2015122402177Open ↗

05/15/2014122008521Open ↗

Showing 3 of 9 on file for this type

▸BISPROFESSIONAL CERTIFICATION STATEMENT FORM6

09/26/2012121389835Open ↗

07/26/2012121154516Open ↗

07/26/2012121158326Open ↗

Showing 3 of 6 on file for this type

▸DOB NOWProgress Inspector Seal & Signature5

09/23/2026M01433424-I1Open ↗

09/23/2026M01433432-I1Open ↗

09/23/2026M01433414-I1Open ↗

Showing 3 of 5 on file for this type

▸BISPROFESSIONAL CERTIFICATION STATEMENT4

11/04/2019140875621Open ↗

07/21/2016140524680Open ↗

06/26/2015122268508Open ↗

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▸BISREQUIRED ITEMS CHECKLIST FOR PROFESSIONAL CERTIFICATION2

11/04/2019140875621Open ↗

07/21/2016140524680Open ↗

▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY2

11/04/2019140875621Open ↗

07/21/2016140524680Open ↗

▸DOB NOWSpecial Inspector Seal & Signature2

09/01/2026M00388071-I1Open ↗

08/23/2026M01314346-P1Open ↗

▸BISProfessional and Owner Certification (POC3)1

05/19/2015122402177Open ↗

▸Trade Schedules & Equipment3

▸BISFA - FDNY APPROVAL : FD-FAA1

05/26/2020122282190Open ↗

▸BISEQUIPMENT USE APPLICATION/PERMIT1

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

Showing 0 of 1 on file for this type

▸BISSCHEDULE B - PLUMBING1

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

Showing 0 of 1 on file for this type

▸Safety & Tenant Protection23

▸DOB NOWHPD-2: Clinton Special District Anti-Harassment Checklist16

09/10/2026M01344608-P1Open ↗

09/02/2026M00746483-I1Open ↗

08/25/2026M01433432-I1Open ↗

Showing 3 of 16 on file for this type

▸BISANTI-HARASSMENT CHECKLIST: CLINTON5

07/15/2015122268508Open ↗

05/19/2015122402177Open ↗

05/19/2014122008521Open ↗

Showing 3 of 5 on file for this type

▸BISCLINTON DISTRICT: ANTI-HARASSMENT CHECKLIST1

11/04/2019140875621Open ↗

▸DOB NOWCertificate of No Harassment1

08/13/2026M00388071-I1Open ↗

▸Environmental & Asbestos33

▸DOB NOWDEP ACP-5: Asbestos Assessment Report12

09/05/2026M00251159-I1Open ↗

09/04/2026M00344144-I1Open ↗

09/01/2026M00801510-I1Open ↗

Showing 3 of 12 on file for this type

▸BISASBESTOS: CERTIFICATION (DEP ACP5)11

05/26/2020122282190Open ↗

11/04/2019140875621Open ↗

07/14/2015122445844Open ↗

Showing 3 of 11 on file for this type

▸BISTHIS IS 'NOT AN ASBESTOS PROJECT'8

02/10/2012120968792Open ↗

04/27/2011120672414Open ↗

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▸BISASBESTOS EXEMPTION CERTIFICATION LETTER2

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

Showing 0 of 2 on file for this type

▸Energy Compliance23

▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS12

02/18/2020140875621Open ↗

05/15/2017122445844Open ↗

10/03/2016122445844Open ↗

Showing 3 of 12 on file for this type

▸BISAS-BUILT ENERGY ANALYSIS5

08/13/2020122282190Open ↗

02/18/2020140875621Open ↗

05/15/2017122445844Open ↗

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▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY4

08/13/2020122282190Open ↗

05/26/2020122282190Open ↗

Showing 3 of 4 on file for this type

▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY FOR ENERGY CODE PROGRESS INSPECTIONS1

11/04/2019140875621Open ↗

▸BISTECHNICAL REPORT: ENERGY1

02/10/2012120968792Open ↗

▸Inspections & Test Reports5

▸BISTECHNICAL REPORT: RESPONSIBILITY5

08/13/2020122282190Open ↗

05/26/2020122282190Open ↗

Showing 3 of 5 on file for this type

▸Approvals, Objections & Sign-offs30

▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST16

08/13/2020122282190Open ↗

02/18/2020140875621Open ↗

05/22/2018140524680Open ↗

Showing 3 of 16 on file for this type

▸BISADMINISTRATIVE OBJECTIONS10

09/26/2012121389835Open ↗

07/26/2012121154516Open ↗

07/26/2012121158326Open ↗

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▸BISLETTERS - SUPPORTING DOCUMENTATION3

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

Showing 0 of 3 on file for this type

▸BISSUPERSEDING LETTER1

11/10/2014120672414Open ↗

▸Cost, Insurance & Ownership34

▸BISCOST AFFIDAVIT30

08/13/2020122282190Open ↗

05/26/2020122282190Open ↗

02/18/2020140875621Open ↗

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▸BISCIVIL PENALTY AFFADAVIT/REQUEST4

08/11/2016140524680Open ↗

Showing 3 of 4 on file for this type

▸Filing & Intake Forms25

▸BISEFILING COVER SHEET15

07/14/2015122445844Open ↗

06/26/2015122268508Open ↗

06/09/2015122412941Open ↗

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▸BISADDITIONAL INFORMATION6

01/30/2020140875621Open ↗

10/03/2016122445844Open ↗

05/06/2016122412941Open ↗

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▸BISEFILING JOB APPLICATION COVER SHEET2

11/04/2019140875621Open ↗

07/21/2016140524680Open ↗

▸BISBOROUGH INTAKE FORM2

02/18/2020140875621Open ↗

05/22/2018140524680Open ↗

▸Other Documents8

▸BISEXTERNAL FORMS - SUPPORTING DOCUMENTATION2

02/20/2015120672414Open ↗

Showing 1 of 2 on file for this type

▸DOB NOWMultiple Dwelling Special District Notice to Community Board2

08/15/2026M00000557-I1Open ↗

08/14/2026M00023915-I1Open ↗

▸DOB NOWMultiple Dwelling Special District Feasibility of Government Funded Rehabilitation2

08/15/2026M00000557-I1Open ↗

08/14/2026M00023915-I1Open ↗

▸BISSupporting Document: Fee Exempt1

06/26/2015122268508Open ↗

▸DOB NOWIRA Certification1

08/13/2026M01388096-I1Open ↗