Office with commercial, 1-6 stories

600 WEST 57TH STREET

MANHATTAN · BIN 1027167

💬 Discuss this project

1940Year Built

5Stories

O5Building Class

C4-7Zoning

12,707 sfGross Floor Area

6Units

1 Active Violation 0 unresolved · 1 paperwork only ▸

Office with commercial, 1-6 stories · Owner of record: Cats West 57 Street · 2,542 sf lot · 5 FAR built · Flood zone X

Locations of Work

ArchitectureStructuralElectricalMechanicalPlumbingFire ProtectionEquipment

Names shown beside floors are taken automatically from the text of filed documents and may be incomplete or wrong.

Permit Issued — active, not yet Signed-off

RoofRed Apple Group5p · 7 filings · 20 docs

Floor 2Mrs Studiopilint LLC12p · 1 filing · 10 docs

Floor 1Red Apple Group8p · 3 filings · 15 docs

CellarRed Apple Group3p · 3 filings · 14 docs

Site & exteriorStudio Pilates Hudson SquareUnder Construction12p · 4 filings · 20 docs

Filed — no permit issuedIndependent protected bulkhead wraps7p · 1 filing · 2 docs

▾Owner History (Filing Record)

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

Owner	Filings	Most Recent
Red Apple Group	23	10/09/2026
Bilgeo Realty Co	21	03/21/2026
Red Apple Real Estate	2	03/21/2026
Belgeo Realty Ccorp	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	2	07/14/2026
Sotir Associates	4	01/10/2023
KMB Design Group	3	02/22/2022
Ashraf	1	03/07/2021
Scherer Design Group	1	12/12/2017

▾Filing Representatives (Expediters)

Representative	Filings	Most Recent
CCM Services Group	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	General Contractor	4	03/21/2026
Overland Contracting	General Contractor	4	07/08/2026
Next Solutions C.S	General Contractor	3	03/21/2026
Paul Signs	Sign hanger	3	08/30/2026
Lerco Electric	Electrical	2	03/21/2026
Unique Fire Systems	General Contractor	2	03/21/2026
Sham Construction Group	General Contractor	1	07/08/2026
Katan P & H	Plumbing	1	07/08/2026
Walsh Lawrence	Electrical	1	03/21/2026
G.M. Diamond's Constructin	General Contractor	1	04/09/2026

▾Special Inspection Agencies

Agency	License #	Filings	Most Recent
New Age Engineering	7746	2	07/14/2026
Sotir Associates	7473	2	01/10/2023
Ashraf	1973	1	03/07/2021
KMB Design Group	513	2	01/20/2021
Scherer Design Group	6303	1	12/12/2017

Building Lifecycle

All (133)Filed (17)Permit Issued (12)Signed Off (7)Violation (60)Objection (23)Special Inspection (14)

09/30/2026

Signed off — Alteration

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

M01314346-I1

09/22/2026

Objection resolved — Resolved

09/15/2026

Objection resolved — Resolved

09/11/2026

Objection raised — Accessibility

09/11/2026

Objection raised — Accessibility

08/28/2026

Permit issued — Sign

M01433432-I1-SG

08/28/2026

Permit issued — Sign

M01433414-I1-SG

08/28/2026

Permit issued — Sign

M01433424-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)

M01433424-I1

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)

M01433414-I1

08/20/2026

Special inspection requirement — Final

08/20/2026

Special inspection requirement — Mechanical Systems

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 — Fire-Resistant Penetrations and Joints

Stephen Shishko

07/13/2026

Special inspection requirement — Final

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 — Final

01/09/2026

Special inspection requirement — Mechanical Systems

06/24/2024

Signed off — Alteration

M00801510-I1

04/03/2023

Permit issued — Mechanical Systems

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

11/11/2022

Special inspection requirement — Mechanical Systems

Hany Demetry

11/11/2022

Special inspection requirement — Energy Code Compliance Inspections

Hany Demetry

11/11/2022

Special inspection requirement — Final

Hany Demetry

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

Latest 60 of 133 events.

Permit / Filing Register

Source	Work Type	Status	Applicant	Issued
DOB NOW	Sign	Permit Issued	Paul Signs	08/28/2026
DOB NOW	Sign	Permit Issued	Paul Signs	08/28/2026
DOB NOW	Sign	Permit Issued	Paul Signs	08/28/2026
DOB NOW	General Construction	Signed-off	G.M. Diamond's Constructin	03/04/2026
DOB NOW	Mechanical Systems	Signed-off	Busko Realty	04/03/2023
DOB NOW	Mechanical Systems	Signed-off	Busko Realty	01/12/2023
DOB NOW	Mechanical Systems	Permit Issued	Sham Construction Group	11/21/2022
DOB NOW	Antenna	Signed-off	Overland Contracting	04/07/2022
DOB NOW	Mechanical Systems	Permit Issued	JJK Building Consulting	04/20/2021
DOB NOW	Antenna	Signed-off	Overland Contracting	02/18/2021
DOB NOW	Plumbing	Signed-off	Katan P & H	11/12/2019
DOB NOW	Antenna	Signed-off	Next Solutions C.S	10/03/2018
BIS	OT	ISSUED	Squan Construction Services	08/03/2020
BIS	EQ	ISSUED	Universal Builders Supply	08/29/2017
BIS	EQ	ISSUED	Universal Builders Supply	08/11/2016
BIS	OT	ISSUED	Odyssia Global Commercial	02/08/2016
BIS	OT	ISSUED	Squan Construction Services	11/20/2015
BIS	OT	ISSUED	Odyssia Global Commercial	07/24/2015
BIS	OT	ISSUED	Arma Renovation	07/14/2015
BIS	OT	ISSUED	Squan Construction Services	06/29/2015
BIS	OT	ISSUED	TFC West 57 GC	05/22/2015
BIS	OT	ISSUED	Bechtel Infrastructure An	11/04/2014
BIS	OT	ISSUED	Acadia Construction	05/16/2014
BIS	MH	ISSUED	Empire Telecom USA	03/21/2014
BIS	OT	ISSUED	Empire Erectors & Electric	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	05/26/2011
BIS	FP	ISSUED	Active Fire Control	01/07/2011
BIS	EQ	ISSUED	CS Bridge	04/20/2010
BIS	OT	ISSUED	Arma Renovations	02/04/2010
BIS	EQ	ISSUED	Maidenberg	12/03/2009
BIS	EQ	ISSUED	Maidenberg	12/03/2009
BIS	OT	ISSUED	Sba Communications	01/07/2009
BIS	OT	ISSUED	JBL Electric	05/28/2004
BIS	FP	ISSUED	New York Business Fire System	12/26/2002
BIS	OT	ISSUED	GJF Construction Corp Dba Builders	01/29/2002
BIS	OT	ISSUED	Interboro Sign Maintenance	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	Ventilation Systems	—

9 projects · most recent 09/01/2026

General Wiring

Filed	Status	Contractor	Scope
09/01/2026	Permit Issued	Limitless Electric Resources	—
09/01/2026	Permit Issued	Limitless Electric Resources	—
09/01/2026	Permit Issued	Limitless Electric Resources	—
03/05/2026	Permit Issued	Riviera Electric Brothers	General Wiring
02/09/2026	Complete	Eureka Electric Contng Co	General Wiring
12/22/2025	Complete	Lerco Electric	General Wiring
04/03/2023	Permit Issued	WCK Electric	General Wiring
06/21/2022	Permit Issued	Safetech Electrical Contng	General Wiring
10/29/2019	Permit Issued	I.S.M. Electric	General Wiring

1 project · most recent 04/18/2026

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

▾Special Inspection Requirements (DOB NOW) — 14

Date	Requirement	Inspector	Role
08/20/2026	Final	—	progress
08/20/2026	Mechanical Systems	—	special
07/20/2026	Final	LEON SKVIRSKY	progress
07/20/2026	Final	LEON SKVIRSKY	progress
07/20/2026	Final	LEON SKVIRSKY	progress
07/13/2026	Fire-Resistant Penetrations and Joints	Stephen Shishko	special
07/13/2026	Final	Stephen Shishko	progress
01/09/2026	Final	—	progress
01/09/2026	Mechanical Systems	—	special
11/11/2022	Mechanical Systems	Hany Demetry	special
11/11/2022	Energy Code Compliance Inspections	Hany Demetry	progress
11/11/2022	Final	Hany Demetry	progress
08/20/2020	Mechanical Systems	AKM HOQUE	special
08/20/2020	Final	Jay Kavi	progress

▾Tenants in the building

Tenant	Space	Floors	Renovation projects
Studio Pilates Hudson Square	Fitness / Recreation	Floor 2	Project M01433414 Alteration · Permit Entire · 08/24/2026 Project M01433424 Alteration · Permit Entire · 08/24/2026 Project M01433432 Alteration · Permit Entire · 08/24/2026

Names are taken automatically from the text of each project’s filed documents (title blocks and cover sheets) and screened to exclude owners, landlords and designers. They may be incomplete or wrong; check the filing.

▾Documents — 343 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 Certifications92

▸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 & Signature6

10/02/2026M08038822-I1Open ↗

09/23/2026M01433432-I1Open ↗

09/23/2026M01433414-I1Open ↗

Showing 3 of 6 on file for this type

▸BISPROFESSIONAL CERTIFICATION STATEMENT4

11/04/2019140875621Open ↗

07/21/2016140524680Open ↗

06/26/2015122268508Open ↗

Showing 3 of 4 on file for this type

▸DOB NOWSpecial Inspector Seal & Signature3

10/02/2026M08038822-I1Open ↗

09/01/2026M00388071-I1Open ↗

08/23/2026M01314346-P1Open ↗

▸BISREQUIRED ITEMS CHECKLIST FOR PROFESSIONAL CERTIFICATION2

11/04/2019140875621Open ↗

07/21/2016140524680Open ↗

▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY2

11/04/2019140875621Open ↗

07/21/2016140524680Open ↗

▸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 ↗

Showing 3 of 8 on file for this type

▸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 ↗

Showing 3 of 5 on file for this type

▸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 ↗

Showing 3 of 10 on file for this type

▸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 ↗

Showing 3 of 30 on file for this type

▸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 ↗

Showing 3 of 15 on file for this type

▸BISADDITIONAL INFORMATION6

01/30/2020140875621Open ↗

10/03/2016122445844Open ↗

05/06/2016122412941Open ↗

Showing 3 of 6 on file for this type

▸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 ↗