Office only, 2-6 stories

520 WEST 135 STREET

MANHATTAN · BIN 1059778

💬 Discuss this project

1915Year Built

3Stories

O2Building Class

R8AZoning

43,000 sfGross Floor Area

1Units

LL97 Covered9 Open Violations 8 unresolved · 1 paperwork only ▸

Office only, 2-6 stories · Owner of record: BLDG 520 WEST 135TH STREET LLC · 15,987 sf lot · 2.69 FAR built · Flood zone X

Locations of Work

ArchitectureStructuralElectricalMechanicalPlumbingFire ProtectionGeneral

Permit Issued — active, not yet Signed-off

Floor 2Under Construction45p · 1 filing · 20 docs

Floor 135p · 1 filing · 20 docs

MezzanineUnder Construction8p · 1 filing · 20 docs

Basement40p · 1 filing · 20 docs

▾Owner History (Filing Record)

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

Owner	Filings	Most Recent
BLDG MANAGEMENT	47	08/29/2026
SAFETECH ENTERPRISES	5	03/22/2026
BLDG 520 WEST 135TH STREET LLC	1	03/22/2026
DUPONT ASSOCIATES	3	03/22/2026
DUPORT ASSOCIATES	1	03/22/2026
WYNDHAM CORP.	1	03/22/2026
B.R. WEMBLY MGMT CO	2	03/21/2026

▾Design Consultants (Architect / Engineer of Record)

Firm	Filings	Most Recent
ZZ ARCHITECTURE PLLC	4	08/19/2026
THE EIPEL ENGINEERING GROUP, D.P.C.	1	07/16/2026
LONGO ARCHITECTS & ASSOCIATES, LLC	4	05/07/2026
JACK GREEN ASSOCIATES	7	01/23/2025
PVE ENGINEERING	1	06/26/2024
ASR ENGINEERING PC	1	06/21/2024

▾Filing Representatives (Expediters)

Representative	Filings	Most Recent
JAM CONSULTANTS, INC.	22	03/21/2026
ADVANCED BUILDERS SERVICES	1	03/21/2026

▾Contractors (License-Anchored)

Firm	Trade	Roles	Most Recent
CROSS MANAGEMENT CORP	General Contractor	8	07/08/2026
ABSALOM, NORRIS	Electrical	5	03/21/2026
SAFETECH ENTERPRISES CORP	General Contractor	3	03/21/2026
REIDY CONTRACTING GROUP	General Contractor	3	07/25/2026
MAGIC MECHANICAL INC	Plumbing	2	07/08/2026
ANTHONY LUCIANO	Electrical	1	03/21/2026
LEONID ARLYUK	Electrical	1	03/21/2026
SHAW MECHANICAL INC	Plumbing	1	07/23/2026
BEDROCK MECHANICAL INC	Fire Protection	1	07/22/2026
MAGIC MECHANICAL INC	Fire Protection	1	07/08/2026

▾Special Inspection Agencies

Agency	License #	Filings	Most Recent
JACK GREEN ASSOCIATES	422	9	08/19/2026
CROSSCHECK INSPECTION SER	544	6	07/16/2026

Building Lifecycle

All (124)Filed (18)Permit Issued (14)Signed Off (5)Violation (48)Inspection (9)Special Inspection (30)

08/19/2026

Filed — Alteration CO

FILING FOR SPRINKLER SCOPE AS PER PLANS

M00972926-P8

07/23/2026

Permit issued — Structural

M01373999-S4-ST

07/22/2026

Permit issued — Plumbing

M01373999-S2-PL

07/20/2026

Permit issued — Sprinklers

M01373999-S3-EW-SP

07/16/2026

Filed — Alteration

MECHANICAL FILING FOR INTERIOR TENANT FIT OUT WITH RELATED CONSTRUCTION INTERIOR PARTITIONS AND FINISHES AS PER PLANS

M01373999-S4

07/15/2026

Special inspection requirement — Structural Steel - High Strength Bolting

EUGENE BIFULCO

07/15/2026

Special inspection requirement — Final

EUGENE BIFULCO

07/15/2026

Special inspection requirement — Sprayed fire-resistant materials

EUGENE BIFULCO

07/15/2026

Special inspection requirement — Structural Steel - Welding

EUGENE BIFULCO

07/15/2026

Special inspection requirement — Structural Steel - Details

EUGENE BIFULCO

07/15/2026

Special inspection requirement — Structural Stability – Alterations of existing buildings

EUGENE BIFULCO

06/30/2026

Permit issued — Mechanical Systems

M01373999-S1-MS

06/29/2026

Permit issued — General Construction

M01373999-I1-GC

06/16/2026

Special inspection requirement — Fire-Resistant Penetrations and Joints

LAWRENCE GREEN

06/16/2026

Special inspection requirement — Exterior lighting power

LAWRENCE GREEN

06/16/2026

Special inspection requirement — Fenestration and door U-factor and product ratings

LAWRENCE GREEN

06/16/2026

Special inspection requirement — Lighting controls

LAWRENCE GREEN

06/16/2026

Special inspection requirement — Fire-Resistance Rated Construction

Ziv Zamir

06/16/2026

Special inspection requirement — Interior lighting power

LAWRENCE GREEN

05/07/2026

Filed — Alteration

MECHANICAL FILING FOR INTERIOR TENANT FIT OUT WITH RELATED CONSTRUCTION INTERIOR PARTITIONS AND FINISHES AS PER PLANS

M01373999-S3

05/07/2026

Filed — Alteration

MECHANICAL FILING FOR INTERIOR TENANT FIT OUT WITH RELATED CONSTRUCTION INTERIOR PARTITIONS AND FINISHES AS PER PLANS

M01373999-S1

05/07/2026

Filed — Alteration

MECHANICAL FILING FOR INTERIOR TENANT FIT OUT WITH RELATED CONSTRUCTION INTERIOR PARTITIONS AND FINISHES AS PER PLANS

M01373999-S2

05/06/2026

Special inspection requirement — Maintenance information

EUGENE BIFULCO

05/06/2026

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

EUGENE BIFULCO

05/06/2026

Special inspection requirement — Electrical motors and elevators

EUGENE BIFULCO

05/06/2026

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

EUGENE BIFULCO

05/06/2026

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

EUGENE BIFULCO

05/05/2026

Filed — Alteration

MECHANICAL FILING FOR INTERIOR TENANT FIT OUT WITH RELATED CONSTRUCTION INTERIOR PARTITIONS AND FINISHES AS PER PLANS

M01373999-I1

04/07/2026

Special inspection requirement — Fire-Resistant Penetrations and Joints

EUGENE BIFULCO

04/07/2026

Special inspection requirement — Energy Code Compliance Inspections

EUGENE BIFULCO

04/07/2026

Special inspection requirement — Fire-Resistant Penetrations and Joints

EUGENE BIFULCO

04/07/2026

Special inspection requirement — Electrical motors and elevators

EUGENE BIFULCO

04/07/2026

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

EUGENE BIFULCO

04/07/2026

Special inspection requirement — Maintenance information

EUGENE BIFULCO

04/07/2026

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

EUGENE BIFULCO

04/07/2026

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

EUGENE BIFULCO

04/07/2026

Special inspection requirement — Energy Code Compliance Inspections

EUGENE BIFULCO

03/26/2026

Special inspection requirement — Mechanical Systems

EUGENE BIFULCO

03/26/2026

Special inspection requirement — Final

EUGENE BIFULCO

03/18/2026

Special inspection requirement — Fire-Resistant Penetrations and Joints

EUGENE BIFULCO

03/18/2026

Special inspection requirement — Final

EUGENE BIFULCO

03/12/2026

Signed off — Alteration CO

FILING FOR SPRINKLER SCOPE AS PER PLANS

M00972926-S2

01/16/2026

Filed — Alteration CO

FILING FOR SPRINKLER SCOPE AS PER PLANS

M00972926-P6

12/16/2025

Signed off — Alteration CO

FILING FOR SPRINKLER SCOPE AS PER PLANS

M00972926-S1

09/10/2025

Inspection — Pass-Final CND-Occupancy Inspection

Pass

View inspection ↗

02/19/2025

Signed off — Alteration CO

FILING FOR SPRINKLER SCOPE AS PER PLANS

M00972926-S3

01/23/2025

Filed — Alteration CO

FILING FOR SPRINKLER SCOPE AS PER PLANS

M00972926-P5

01/22/2025

Signed off — Alteration CO

FILING FOR SPRINKLER SCOPE AS PER PLANS

M00972926-S4

01/15/2025

Signed off — Alteration

M01069356-I1

12/10/2024

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

Fail

View inspection ↗

12/05/2024

Inspection — Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test

Certified

View inspection ↗

12/04/2024

Inspection — Certified Sprinkler-SP-Fixtures-Finish

Certified

View inspection ↗

12/04/2024

Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing

Certified

View inspection ↗

11/25/2024

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

Fail

View inspection ↗

11/13/2024

Permit issued — General Construction

M00972926-I1-GC

10/15/2024

Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing

Certified

View inspection ↗

10/15/2024

Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground

Certified

View inspection ↗

09/12/2024

Filed — Alteration CO

FILING FOR SPRINKLER SCOPE AS PER PLANS

M00972926-P4

09/11/2024

Filed — Alteration CO

FILING FOR SPRINKLER SCOPE AS PER PLANS

M00972926-P3

09/06/2024

Filed — Alteration CO

FILING FOR SPRINKLER SCOPE AS PER PLANS

M00972926-P2

Latest 60 of 124 events.

Permit / Filing Register

Source	Work Type	Status	Applicant	Issued
DOB NOW	Structural	Permit Issued	REIDY CONTRACTING GROUP	07/23/2026
DOB NOW	Plumbing	Permit Issued	SHAW MECHANICAL INC	07/22/2026
DOB NOW	Sprinklers	Permit Issued	BEDROCK MECHANICAL INC	07/20/2026
DOB NOW	Mechanical Systems	Permit Issued	REIDY CONTRACTING GROUP	06/30/2026
DOB NOW	General Construction	Permit Issued	REIDY CONTRACTING GROUP	06/29/2026
DOB NOW	General Construction	Permit Issued	CROSS MANAGEMENT CORP	11/13/2024
DOB NOW	Structural	Signed-off	CROSS MANAGEMENT CORP	08/14/2024
DOB NOW	Mechanical Systems	Signed-off	CROSS MANAGEMENT CORP	08/13/2024
DOB NOW	General Construction	Permit Issued	CROSS MANAGEMENT CORP	08/13/2024
DOB NOW	Plumbing	Signed-off	MAGIC MECHANICAL INC	07/01/2024
DOB NOW	Sprinklers	Signed-off	MAGIC MECHANICAL INC	07/01/2024
DOB NOW	Mechanical Systems	Signed-off	CROSS MANAGEMENT CORP	06/28/2024
DOB NOW	Sidewalk Shed	Signed-off	SAFETECH ENTERPRISES CORP	06/24/2024
DOB NOW	General Construction	Permit Issued	CROSS MANAGEMENT CORP	06/03/2024
BIS	EQ	ISSUED	JERRICK ASSOCIATES INC	08/11/2017
BIS	OT	ISSUED	WEST CONTRACTING CORP	11/16/1998
BIS	—	ISSUED	WEST CONTRACTING	08/13/1998
BIS	SP	ISSUED	TRAINGLE FIRE PROTECTION CORP	08/06/1998
BIS	PL	ISSUED	ASHLAND PLG & HTG CORP	06/03/1998
BIS	OT	ISSUED	WEST CONTRACTING CORP	05/22/1998
BIS	MH	ISSUED	WEST CONTRACTING CORP	05/22/1998
BIS	PL	ISSUED	BRANCH PLUMBING LLC	05/08/1997
BIS	MH	ISSUED	CITY HEATING & COOLING CORP.	01/24/1997

1 project · most recent 08/19/2026

Heating and Air Conditioning Systems Ventilation Systems

Filed	Status	Contractor	Scope	Make / Model / Capacity
08/19/2026	Permit Issued	CROSS MANAGEMENT CORP	Heating and Air Conditioning Systems, Ventilation Systems	Heat / Cool Lg LG ACCU-1 ARUN024GSS4 27,000 BTU · Vrf Outdoor ×2 ARUN024GSS4 27,000 BTU · Vrf Outdoor ×1 Ventilation Greenheck CSP-318 150 CFM · Exhaust Fan ×3

1 project · most recent 08/19/2026

Sprinkler System

Filed	Status	Contractor	Scope
08/19/2026	Signed-off	MAGIC MECHANICAL INC	Sprinkler System

1 project · most recent 08/19/2026

Water/Sanitary

Filed	Status	Contractor	Scope
08/19/2026	Signed-off	MAGIC MECHANICAL INC	Water/Sanitary

6 projects · most recent 08/05/2026

General Wiring

Filed	Status	Contractor	Scope
08/05/2026	Permit Issued	FSM ELECTRICAL CORPORATIO	General Wiring
05/04/2025	Complete	JAM ELECTRICAL CORP	—
04/25/2025	Complete	TEAM ELECTRIC, INC	General Wiring
02/28/2025	Complete	WTG ELECTRIC INC.	General Wiring
06/24/2024	Complete	RICHARD NEU	—
10/17/2019	Complete	JAM ELECTRICAL CORP	—

2 projects · most recent 08/19/2026

Steel Concrete Masonry

Filed	Status	Contractor	Scope
08/19/2026	Permit Issued	CROSS MANAGEMENT CORP	Steel, Concrete, Masonry
07/16/2026	Permit Issued	REIDY CONTRACTING GROUP	Steel

▾Field Inspections (DOB CAP) — 9

Date	Type	Result	Report
09/10/2025	Pass-Final CND-Occupancy Inspection	Pass	View ↗
12/10/2024	Fail-Final PL - Up to 3 Requested Floors	Fail	View ↗
12/05/2024	Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test	Certified	View ↗
12/04/2024	Certified Sprinkler-SP-Fixtures-Finish	Certified	View ↗
12/04/2024	Certified Water and Sanitary-WS-Sanitary Piping-Roughing	Certified	View ↗
11/25/2024	Fail-Final PL - Up to 3 Requested Floors	Fail	View ↗
10/15/2024	Certified Water and Sanitary-WS-Sanitary Piping-Roughing	Certified	View ↗
10/15/2024	Certified Water and Sanitary-WS-Sanitary Piping-Underground	Certified	View ↗
08/15/2024	Certified Water and Sanitary-WS-Sanitary Piping-Roughing	Certified	View ↗

▾Special Inspection Requirements (DOB NOW) — 63

Date	Requirement	Inspector	Role
07/15/2026	Final	EUGENE BIFULCO	progress
07/15/2026	Sprayed fire-resistant materials	EUGENE BIFULCO	special
07/15/2026	Structural Stability – Alterations of existing buildings	EUGENE BIFULCO	special
07/15/2026	Structural Steel - Details	EUGENE BIFULCO	special
07/15/2026	Structural Steel - High Strength Bolting	EUGENE BIFULCO	special
07/15/2026	Structural Steel - Welding	EUGENE BIFULCO	special
06/16/2026	Lighting controls	LAWRENCE GREEN	energy_progress
06/16/2026	Interior lighting power	LAWRENCE GREEN	energy_progress
06/16/2026	Exterior lighting power	LAWRENCE GREEN	energy_progress
06/16/2026	Fenestration and door U-factor and product ratings	LAWRENCE GREEN	energy_progress
06/16/2026	Fire-Resistant Penetrations and Joints	LAWRENCE GREEN	special
06/16/2026	Fire-Resistance Rated Construction	Ziv Zamir	progress
05/06/2026	HVAC-R and service water heating equipment	EUGENE BIFULCO	energy_progress
05/06/2026	Maintenance information	EUGENE BIFULCO	energy_progress
05/06/2026	HVAC-R and service water piping design and insulation	EUGENE BIFULCO	energy_progress
05/06/2026	Electrical motors and elevators	EUGENE BIFULCO	energy_progress
05/06/2026	HVAC-R and service water heating system controls	EUGENE BIFULCO	energy_progress
04/07/2026	Maintenance information	EUGENE BIFULCO	energy_progress
04/07/2026	HVAC-R and service water heating system controls	EUGENE BIFULCO	energy_progress
04/07/2026	Electrical motors and elevators	EUGENE BIFULCO	energy_progress
04/07/2026	Energy Code Compliance Inspections	EUGENE BIFULCO	progress
04/07/2026	Fire-Resistant Penetrations and Joints	EUGENE BIFULCO	special
04/07/2026	Energy Code Compliance Inspections	EUGENE BIFULCO	progress
04/07/2026	HVAC-R and service water piping design and insulation	EUGENE BIFULCO	energy_progress
04/07/2026	HVAC-R and service water heating equipment	EUGENE BIFULCO	energy_progress

Latest 25 of 63.

▾Tenants in the building

Tenant	Space	Floors	Renovation projects
Ryan Medical	Medical / Healthcare	Floor 2	Project M01373999 Alteration · Permit Entire · 05/05/2026
Upper Manhattan Mental Health Center	Medical / Healthcare	Basement, Floor 1	Project M00972926 Alteration CO · SO Plan Examiner Review · 12/11/2023

Read from each project’s drawing title blocks and cover sheets and checked twice; a name appears only when it is the occupant, never the owner, landlord or designer.

▾Documents — 127 on file (BIS + DOB NOW)

▸Plans & Drawings18

▸DOB NOWPlans/Sketch18

08/27/2026M01069356-I1Request digital key ↗

08/26/2026M00972926-I1Request digital key ↗

08/26/2026M00972926-P8Request digital key ↗

Showing 3 of 18 on file for this type

▸Applications & Permits3

▸BISPLAN / WORK APPROVAL APPLICATION2

08/10/2017140679950Open ↗

06/20/2011120711337Open ↗

▸BISWORK PERMIT APPLICATION1

08/10/2017140679950Open ↗

▸Seals & Professional Certifications55

▸DOB NOWProgress Inspector Seal & Signature21

09/25/2026M00972926-S1Open ↗

Showing 3 of 21 on file for this type

▸DOB NOWDPL-1: Design Professional Seal & Signature18

08/26/2026M00972926-P6Open ↗

08/26/2026M00972926-P5Open ↗

08/26/2026M00972926-P4Open ↗

Showing 3 of 18 on file for this type

▸DOB NOWSpecial Inspector Seal & Signature12

09/25/2026M00972926-S1Open ↗

09/19/2026M00972926-P6Open ↗

09/18/2026M00972926-P8Open ↗

Showing 3 of 12 on file for this type

▸BISREQUIRED ITEMS CHECKLIST FOR PROFESSIONAL CERTIFICATION1

08/10/2017140679950Open ↗

▸BISPROFESSIONAL CERTIFICATION STATEMENT1

08/10/2017140679950Open ↗

▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY1

08/10/2017140679950Open ↗

▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION1

03/22/2019140679950Open ↗

▸Trade Schedules & Equipment1

▸BISFA - FDNY APPROVAL : FD-FAA1

08/04/2020120711337Open ↗

▸Safety & Tenant Protection4

▸DOB NOWStreet Tree Checklist4

08/21/2026M00972926-P8Open ↗

08/13/2026M00972926-I1Open ↗

08/13/2026M00972926-P4Open ↗

Showing 3 of 4 on file for this type

▸Environmental & Asbestos32

▸DOB NOWDEP ACP-5: Asbestos Assessment Report17

08/26/2026M00972926-P6Open ↗

08/26/2026M00972926-P5Open ↗

08/26/2026M00972926-P4Open ↗

Showing 3 of 17 on file for this type

▸DOB NOWOER: Notice to Proceed7

08/17/2026M01373999-I1Open ↗

08/13/2026M00972926-P6Open ↗

08/13/2026M00972926-I1Open ↗

Showing 3 of 7 on file for this type

▸DOB NOWOER: Notice of Satisfaction5

08/17/2026M01373999-I1Open ↗

08/13/2026M00972926-S4Open ↗

08/13/2026M00972926-I1Open ↗

Showing 3 of 5 on file for this type

▸BISTHIS IS 'NOT AN ASBESTOS PROJECT'1

06/20/2011120711337Open ↗

▸BISENVIRONMENTAL RESTRICTIONS - OER NOTICE TO PROCEED1

08/10/2017140679950Open ↗

▸BISASBESTOS-CERTIFICATION (DEP ACP5)1

06/20/2011120711337Open ↗

▸Energy Compliance1

▸BISELECTRICAL APPLICATION FOR SIDEWALK SHED LIGHTING1

08/10/2017140679950Open ↗

▸Inspections & Test Reports1

▸BISTECHNICAL REPORT: RESPONSIBILITY1

08/10/2017140679950Open ↗

▸Approvals, Objections & Sign-offs2

▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST2

12/17/2025120711337Open ↗

03/22/2019140679950Open ↗

▸Cost, Insurance & Ownership2

▸BISCOST AFFIDAVIT1

06/20/2011120711337Open ↗

▸BISCOST AFFIDAVIT (FINAL): PW31

12/17/2025120711337Open ↗

▸Filing & Intake Forms4

▸BISADDITIONAL INFORMATION1

03/22/2019140679950Open ↗

▸BISBOROUGH INTAKE FORM1

03/22/2019140679950Open ↗

▸BISEFILING COVER SHEET1

06/20/2011120711337Open ↗

▸BISEFILING JOB APPLICATION COVER SHEET1

08/10/2017140679950Open ↗

▸Other Documents4

▸DOB NOWProperty Ownership Certification4

08/26/2026M00972926-P6Open ↗

08/26/2026M00972926-P4Open ↗

08/26/2026M00972926-I1Open ↗

Showing 3 of 4 on file for this type