Office with commercial, 7-19 stories

National Museum of Mathematics

134 WEST 26 STREET · BIN 1015025

💬 Discuss this project

1911Year Built

12Stories

O6Building Class

M1-8A/R11Zoning

95,069 sfGross Floor Area

26Units

LL97 Covered12 Open Violations 10 unresolved · 2 paperwork only ▸FISP: SAFE

Office with commercial, 7-19 stories · Owner of record: 134 40 W 26 ST OWNRS CORP · 8,023 sf lot · 11.85 FAR built · Flood zone X

Locations of Work

ArchitectureMechanicalFire Protection

Floor 103p · 1 filing · 20 docs

Floor 9

Floor 8

Floor 71p · 2 filings · 13 docs

Floor 6

Floor 5

Floor 4

Floor 3

Floor 2

Floor 1

Cellar1p · 1 filing · 16 docs

Basement1p · 1 filing · 5 docs

▾Owner History (Filing Record)

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

Owner	Filings	Most Recent
134 WEST 26 ST OWNERS	49	07/08/2026
134-40 WEST 26TH STREET OWNERS	17	03/22/2026
134-40 W 26TH ST OWNERS	11	03/22/2026
134 40 W 36 ST OWNERS COR	1	03/22/2026
134 40 W 26ST OWNERS CORP	1	03/22/2026
BAYSIDE CONTRACTING	1	03/22/2026
134 WEST 26TH ST OWNER	1	03/22/2026
134-40 WEST 26 THS OWNERS	1	03/22/2026
134-40 WEST 26 TH ST OWNW	1	03/22/2026
OWNERS	1	03/22/2026

▾Design Consultants (Architect / Engineer of Record)

Firm	Filings	Most Recent
B2 ENGINEERING PC	4	01/22/2026
GARCIA-QUISMONDO, LUISMIGUEL RA	1	05/29/2025
BAZINI ENGINEERING, P.C.	3	11/12/2024
KZ ENGINEERING, P.C	2	11/08/2022
CORNERSTONE ARCHITECTS	1	10/27/2022
KARACOBAN ENGINEERING PC	2	08/22/2022
ABEJA ENGINEERING PLLC	1	08/05/2022
MARCELO BARUJEL ARCHITECT, PC	1	03/10/2022

▾Filing Representatives (Expediters)

Representative	Filings	Most Recent
BMB BUILDING CONSULTING	10	03/21/2026
SYNERGY BUILDING CONSULTANTS	2	03/21/2026
NORTHEAST EXPEDITING	2	03/21/2026
COMMERCIAL CAPITAL USA	4	03/21/2026

▾Contractors (License-Anchored)

Firm	Trade	Roles	Most Recent
BAYSIDE CONTRACTING INC	General Contractor	6	07/08/2026
CEPRINE CONSTRUCTION INC	General Contractor	6	03/21/2026
ALL AMERICAN HEATING INC	General Contractor	4	03/21/2026
BEVILACQUA, JOSEPH	Electrical	3	03/21/2026
W.J. REGAN & COMPANY LLC	General Contractor	3	03/21/2026
TORRES, HECTOR	Electrical	3	03/21/2026
EMPIRE ECS, LLC	General Contractor	2	07/08/2026
EMPIRE CORE GROUP LLC	General Contractor	2	03/21/2026
NEW ERA MECH SERVICE INC	Fire Protection	1	06/28/2026
S & J INDUSTRIAL CORP	Fire Protection	1	06/27/2026
A & E PLUMBING CORP	Plumbing	1	07/08/2026
WATERFIRE INC	Plumbing	1	07/08/2026
IVAN PAVICIC	Electrical	1	03/21/2026
JOHN O'KANE	Electrical	1	03/21/2026
MICHAEL MINIERO	Electrical	1	03/21/2026
O'KANE JOHN	Electrical	1	03/21/2026
RUIZ RAVE, YEISON	Electrical	1	03/21/2026
ZARETSKY, MIKHAIL	Electrical	1	03/21/2026
ZITO, ROCCO	Electrical	1	03/21/2026

▾Special Inspection Agencies

Agency	License #	Filings	Most Recent
B2 ENGINEERING D.P.C.	5433	5	01/22/2026
BAZINI ENGINEERING, P.C.	1808	3	11/12/2024
LEO Y LEE ASSOCIATES	2481	1	10/27/2022
ABEJA ENGINEERING PLLC	7269	3	08/22/2022

Building Lifecycle

All (115)Filed (15)Permit Issued (16)Signed Off (9)Facade (FISP) (12)Violation (60)Inspection (3)

07/17/2026

Signed off — Alteration

MODIFICATION OF EXISTING SPRINKLER SYSTEM. INSTALL NEW HEADS. NO CHANGE TO USE, EGRESS, OR OCCUPANCY.

M01214970-S2

06/05/2026

Signed off — Alteration

MODIFICATION OF EXISTING SPRINKLER SYSTEM. INSTALL NEW HEADS. NO CHANGE TO USE, EGRESS, OR OCCUPANCY.

M01214970-S1

05/07/2026

Permit issued — Sprinklers

M01214970-S2-EW-SP

05/05/2026

Permit issued — Plumbing

M01214970-S1-PL

04/23/2026

Signed off — Alteration

MODIFICATION OF EXISTING SPRINKLER SYSTEM. INSTALL NEW HEADS. NO CHANGE TO USE, EGRESS, OR OCCUPANCY.

M01214970-S3

04/23/2026

Signed off — Alteration

MODIFICATION OF EXISTING SPRINKLER SYSTEM. INSTALL NEW HEADS. NO CHANGE TO USE, EGRESS, OR OCCUPANCY.

M01214970-I1

03/06/2026

Inspection — Certified Water and Sanitary-WS-Fixtures-Finish

Certified

View inspection ↗

01/22/2026

Filed — Alteration

MODIFICATION OF EXISTING SPRINKLER SYSTEM. INSTALL NEW HEADS. NO CHANGE TO USE, EGRESS, OR OCCUPANCY.

M01214970-P1

10/06/2025

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

Certified

View inspection ↗

10/03/2025

Permit issued — Sprinklers

M01214970-S2-EW-SP

08/28/2025

Permit issued — Plumbing

M01214970-S1-PL

07/15/2025

Permit issued — Mechanical Systems

M01214970-S3-MS

07/15/2025

Permit issued — General Construction

M01214970-I1-GC

05/29/2025

Filed — Alteration

MODIFICATION OF EXISTING SPRINKLER SYSTEM. INSTALL NEW HEADS. NO CHANGE TO USE, EGRESS, OR OCCUPANCY.

M01214970-S2

05/29/2025

Filed — Alteration

MODIFICATION OF EXISTING SPRINKLER SYSTEM. INSTALL NEW HEADS. NO CHANGE TO USE, EGRESS, OR OCCUPANCY.

M01214970-S1

05/29/2025

Filed — Alteration

MODIFICATION OF EXISTING SPRINKLER SYSTEM. INSTALL NEW HEADS. NO CHANGE TO USE, EGRESS, OR OCCUPANCY.

M01214970-S3

05/29/2025

Filed — Alteration

MODIFICATION OF EXISTING SPRINKLER SYSTEM. INSTALL NEW HEADS. NO CHANGE TO USE, EGRESS, OR OCCUPANCY.

M01214970-I1

12/20/2024

Signed off — Alteration

INSTALL NEW CHIMNEY LINER WITHIN EXISTING MASONRY CHIMNEY. INSTALL NEW CONTAINMENT WALL FOR FUEL STORAGE TANKS IN CELLAR. NO CHANGE IN USE, EGRESS OR OCCUPANCY.

M01033541-I1

11/27/2024

Signed off — Alteration

INSTALL NEW CHIMNEY LINER WITHIN EXISTING MASONRY CHIMNEY. INSTALL NEW CONTAINMENT WALL FOR FUEL STORAGE TANKS IN CELLAR. NO CHANGE IN USE, EGRESS OR OCCUPANCY.

M01033541-S1

11/12/2024

Filed — Alteration

INSTALL NEW CHIMNEY LINER WITHIN EXISTING MASONRY CHIMNEY. INSTALL NEW CONTAINMENT WALL FOR FUEL STORAGE TANKS IN CELLAR. NO CHANGE IN USE, EGRESS OR OCCUPANCY.

M01033541-P1

10/03/2024

Inspection — Pass-Final Boiler Equipment Inspection

Pass

View inspection ↗

07/23/2024

Signed off — Alteration

Installation of temporary heavy duty sidewalk shed per plan submitted. Work shall comply with 2014 building codes chapter 33. No change in use, egress and/or occupancy with this application.

M08007852-I1

07/17/2024

Cycle 9 facade report signed — SAFE

07/10/2024

Signed off — Alteration

M00788407-I1

06/26/2024

Permit issued — General Construction

M00788407-I1-GC

06/23/2024

Violation issued (DOB, open)

V-DOB VIOLATION - ACTIVE

05/07/2024

Permit issued — General Construction

M01033541-S1-MS

05/06/2024

Filed — Alteration

INSTALL NEW CHIMNEY LINER WITHIN EXISTING MASONRY CHIMNEY. INSTALL NEW CONTAINMENT WALL FOR FUEL STORAGE TANKS IN CELLAR. NO CHANGE IN USE, EGRESS OR OCCUPANCY.

M01033541-I1

05/06/2024

Filed — Alteration

INSTALL NEW CHIMNEY LINER WITHIN EXISTING MASONRY CHIMNEY. INSTALL NEW CONTAINMENT WALL FOR FUEL STORAGE TANKS IN CELLAR. NO CHANGE IN USE, EGRESS OR OCCUPANCY.

M01033541-S1

05/06/2024

Permit issued — Boiler Equipment

M01033541-I1-BE

02/21/2024

Cycle 9 facade report submitted

01/29/2024

Cycle 9 facade inspection completed

11/21/2023

Permit issued — General Construction

M00788407-I1-GC

09/25/2023

Permit issued — Sidewalk Shed

M08007852-I1-SH

05/06/2023

Violation issued (ECB, open)

Cranes and Derricks

04/22/2023

Violation issued (DOB, open)

V-DOB VIOLATION - ACTIVE

11/23/2022

Permit issued — General Construction

M00788407-I1-GC

11/08/2022

Filed — Alteration

Installation of temporary heavy duty sidewalk shed per plan submitted. Work shall comply with 2014 building codes chapter 33. No change in use, egress and/or occupancy with this application.

M08007852-P1

11/01/2022

Permit issued — General Construction

M00788407-I1-GC

10/27/2022

Filed — Alteration

M00788407-I1

09/29/2022

Permit issued — Sidewalk Shed

M08007852-I1-SH

09/28/2022

Filed — Alteration

Installation of temporary heavy duty sidewalk shed per plan submitted. Work shall comply with 2014 building codes chapter 33. No change in use, egress and/or occupancy with this application.

M08007852-I1

09/12/2022

Signed off — Alteration

M00690520-I1

08/22/2022

Filed — Alteration

INSTALLATION OF 08 NEW UPRIGHT HEADS, RELOCATION OF 10 HEADS, TO ACCOMODATE INTERIOR RENOVATION WORK FILED UNDER JOB # M00781206-I1.

M00781209-P1

08/17/2022

Filed — Alteration

INSTALLATION OF 08 NEW UPRIGHT HEADS, RELOCATION OF 10 HEADS, TO ACCOMODATE INTERIOR RENOVATION WORK FILED UNDER JOB # M00781206-I1.

M00781209-I1

08/10/2022

Permit issued — General Construction

M00781206-I1-GC

08/05/2022

Filed — Alteration

APPLICATION FILED FOR TENANT FITOUT OF UNITS 750 AND 770 OF EXISTING OFFICE SPACE.

M00781206-I1

06/13/2022

Permit issued — General Construction

M00690520-I1-GC

03/10/2022

Filed — Alteration

M00690520-I1

06/09/2021

Violation issued (DOB, open)

V-DOB VIOLATION - ACTIVE

05/01/2021

Violation issued (ECB, open)

Construction

03/09/2021

Violation issued (ECB, open)

Construction

02/17/2021

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

02/17/2021

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

02/17/2021

Violation issued (DOB, open)

V-DOB VIOLATION - ACTIVE

11/18/2020

Violation issued (ECB, closed)

Elevators

11/18/2020

Violation issued (ECB, open)

Elevators

11/18/2020

Violation issued (ECB, closed)

Elevators

11/18/2020

Violation issued (ECB, closed)

Elevators

05/16/2019

Cycle 8 facade report signed — SWARMP

Latest 60 of 115 events.

Permit / Filing Register

Source	Work Type	Status	Applicant	Issued
DOB NOW	Sprinklers	Signed-off	S & J INDUSTRIAL CORP	05/07/2026
DOB NOW	Plumbing	Signed-off	WATERFIRE INC	05/05/2026
DOB NOW	Sprinklers	Signed-off	NEW ERA MECH SERVICE INC	10/03/2025
DOB NOW	Plumbing	Signed-off	A & E PLUMBING CORP	08/28/2025
DOB NOW	Mechanical Systems	Signed-off	EMPIRE ECS, LLC	07/15/2025
DOB NOW	General Construction	Signed-off	EMPIRE ECS, LLC	07/15/2025
DOB NOW	General Construction	Signed-off	BAYSIDE CONTRACTING INC	06/26/2024
DOB NOW	General Construction	Signed-off	ALL AMERICAN HEATING INC	05/07/2024
DOB NOW	Boiler Equipment	Signed-off	ALL AMERICAN HEATING INC	05/06/2024
DOB NOW	General Construction	Signed-off	BAYSIDE CONTRACTING INC	11/21/2023
DOB NOW	Sidewalk Shed	Signed-off	CEPRINE CONSTRUCTION INC	09/25/2023
DOB NOW	General Construction	Signed-off	BAYSIDE CONTRACTING INC	11/23/2022
DOB NOW	General Construction	Signed-off	BAYSIDE CONTRACTING INC	11/01/2022
DOB NOW	Sidewalk Shed	Signed-off	CEPRINE CONSTRUCTION INC	09/29/2022
DOB NOW	General Construction	Permit Issued	EMPIRE CORE GROUP LLC	08/10/2022
DOB NOW	General Construction	Signed-off	W.J. REGAN & COMPANY LLC	06/13/2022
BIS	PL	ISSUED	WTC PLBG & HEATING CORP	02/04/2015
BIS	OT	ISSUED	EUROSTRUCT INC	11/18/2014
BIS	MH	ISSUED	EUROSTRUCT INC	11/18/2014
BIS	OT	ISSUED	ACME AWNING CO. INC	04/28/2010
BIS	OT	ISSUED	GALICIA CONTRACTING & REST.	04/20/2006
BIS	PL	ISSUED	M & A PLUMBING & HEATING CORP	02/02/2006
BIS	SP	ISSUED	M & APLBG & HTG CORP	12/23/2005
BIS	PL	ISSUED	M & APLBG & HTG CORP	12/23/2005
BIS	OT	ISSUED	VINCENT CASCONE	12/23/2005
BIS	MH	ISSUED	VINCENT CASCONE	07/19/2005
BIS	OT	ISSUED	VINCENT CASCONE	07/19/2005
BIS	EQ	ISSUED	SPRING SCAFFOLDING	04/01/2003
BIS	EQ	RE-ISSUED	SPRING SCAFFOLDING	06/20/2002
BIS	EQ	ISSUED	ROCKLEDGE SCAFFOLD CORP	11/19/1999
BIS	SP	ISSUED	QUEENS MAINTENANCE CO	07/14/1999
BIS	OT	ISSUED	BOYARD CONTRACTING INC	07/08/1999
BIS	PL	ISSUED	JOHN TRANI PLBG AND HTG	07/01/1999
BIS	EQ	ISSUED	TAOCON INC	06/04/1999
BIS	OT	ISSUED	TAOCON INC	06/04/1999
BIS	OT	ISSUED	GOLDEN VALE CONSTRUCTION CORP	08/22/1996
BIS	EQ	ISSUED	GRAYSTONE CONSTRUCTION CORP	12/13/1995
BIS	OT	ISSUED	GRAYSTONE CONSTRUCTION CORP	12/13/1995
BIS	OT	ISSUED	S.HOFFMAN PLUMBING CO.	10/30/1995
BIS	MH	ISSUED	EMPIRE GENERAL CONTRACTOR INC	03/14/1995

+ 2 more permits on file

1 project · most recent 01/22/2026

Heating and Air Conditioning Systems

Filed	Status	Contractor	Scope	Make / Model / Capacity
01/22/2026	Signed-off	EMPIRE ECS, LLC	Heating and Air Conditioning Systems	Heat / Cool Mitsubishi Electric MXZ-SM72TAM-U1 76,000 BTU · Condensing Unit ×1

2 projects · most recent 01/22/2026

Sprinkler System

Filed	Status	Contractor	Scope
01/22/2026	Signed-off	S & J INDUSTRIAL CORP	Sprinkler System
08/22/2022	—	—	—

1 project · most recent 01/22/2026

Water/Sanitary

Filed	Status	Contractor	Scope
01/22/2026	Signed-off	WATERFIRE INC	Water/Sanitary

2 projects · most recent 09/30/2022

General Wiring

Filed	Status	Contractor	Scope
09/30/2022	Complete	BOROWIDE ELECT'L CONTR'S	—
06/24/2022	Complete	BASS ELECTRICAL CORP.	General Wiring

▾Field Inspections (DOB CAP) — 3

Date	Type	Result	Report
03/06/2026	Certified Water and Sanitary-WS-Fixtures-Finish	Certified	View ↗
10/06/2025	Certified Water and Sanitary-WS-Sanitary Piping-Roughing	Certified	View ↗
10/03/2024	Pass-Final Boiler Equipment Inspection	Pass	View ↗

▾Special Inspection Requirements (DOB NOW) — 30

Date	Requirement	Inspector	Role
01/16/2026	Fire-Resistant Penetrations and Joints	Brian Bercarich	special
01/16/2026	Sprinkler Systems	Brian Bercarich	special
05/22/2025	HVAC-R and service water heating system controls	Brian Bercarich	energy_progress
05/22/2025	HVAC-R and service water piping design and insulation	Brian Bercarich	energy_progress
05/22/2025	HVAC-R and service water heating equipment	Brian Bercarich	energy_progress
05/14/2025	Energy Code Compliance Inspections	Brian Bercarich	progress
05/14/2025	Mechanical Systems	Brian Bercarich	special
05/14/2025	Fire-Resistant Penetrations and Joints	Brian Bercarich	special
05/14/2025	Duct leakage testing, insulation and design	Brian Bercarich	energy_progress
05/14/2025	Fire-Resistance Rated Construction	Brian Bercarich	progress
05/14/2025	Final	Brian Bercarich	progress
11/14/2024	Chimneys and vents	Joseph Bazini	special
11/14/2024	Final	Joseph Bazini	progress
11/14/2024	Mechanical Systems	Joseph Bazini	special
10/31/2024	Chimneys and vents	Joseph Bazini	special
10/31/2024	Mechanical Systems	Joseph Bazini	special
10/31/2024	Final	Joseph Bazini	progress
05/06/2024	HVAC-R and service water heating equipment	Joseph Bazini	energy_progress
04/10/2024	Fuel-Oil Storage and Fuel-Oil Piping Systems	Joseph Bazini	special
10/24/2022	Masonry	Leo Lee	special
10/24/2022	Energy Code Compliance Inspections	Mark Ellis	progress
08/22/2022	Sprinkler Systems	JOHANN VELEZ	special
08/22/2022	Fire-Resistant Penetrations and Joints	JOHANN VELEZ	special
08/18/2022	Fire-Resistant Penetrations and Joints	JOHANN VELEZ	special
08/18/2022	Sprinkler Systems	JOHANN VELEZ	special

Latest 25 of 30.

▾Tenants in the building

Tenant	Space	Floors	Renovation projects
Physical Therapy & Feldenkrais	Medical / Healthcare	Floor 2	Project M00690520 Alteration · LOC Issued · 03/10/2022

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 — 111 on file (BIS + DOB NOW)

▸Plans & Drawings15

▸DOB NOWPlans/Sketch15

09/02/2026M00690520-I1Request digital key ↗

09/02/2026M00781206-I1Request digital key ↗

09/02/2026M00781209-P1Request digital key ↗

Showing 3 of 15 on file for this type

▸Applications & Permits7

▸BISPLAN / WORK APPROVAL APPLICATION4

08/07/2015122128250Open ↗

09/15/2014122128250Open ↗

Showing 3 of 4 on file for this type

▸BISWORK PERMIT APPLICATION3

02/09/2015122128250Open ↗

11/20/2014122128250Open ↗

▸Seals & Professional Certifications46

▸DOB NOWDPL-1: Design Professional Seal & Signature15

09/02/2026M00690520-I1Open ↗

09/02/2026M00781209-P1Open ↗

09/02/2026M00781209-I1Open ↗

Showing 3 of 15 on file for this type

▸DOB NOWProgress Inspector Seal & Signature13

09/23/2026M01033541-I1Open ↗

08/31/2026M01033541-S1Open ↗

08/30/2026M01033541-P1Open ↗

Showing 3 of 13 on file for this type

▸DOB NOWSpecial Inspector Seal & Signature11

09/23/2026M01033541-I1Open ↗

08/31/2026M01214970-P1Open ↗

Showing 3 of 11 on file for this type

▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION7

11/17/2015122128250Open ↗

12/17/2014122128250Open ↗

Showing 3 of 7 on file for this type

▸Trade Schedules & Equipment7

▸BISEQUIPMENT USE PERMITS2

11/17/2015122128250Open ↗

10/30/2015122128250Open ↗

▸BISSELF-CERT PLUMBING NOTICE2

04/29/2015122128250Open ↗

03/03/2015122128250Open ↗

▸BISEQUIPMENT USE APPLICATION/PERMIT2

11/17/2015122128250Open ↗

10/30/2015122128250Open ↗

▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE1

09/15/2014122128250Open ↗

▸Environmental & Asbestos16

▸DOB NOWDEP ACP-5: Asbestos Assessment Report13

09/02/2026M00690520-I1Open ↗

09/02/2026M00781209-I1Open ↗

09/02/2026M00781209-P1Open ↗

Showing 3 of 13 on file for this type

▸BISASBESTOS: CERTIFICATION (DEP ACP5)1

09/15/2014122128250Open ↗

▸BISASBESTOS EXEMPTION CERTIFICATION LETTER1

01/22/2010120250851Open ↗

▸BISASBESTOS-EXEMTTION (ASB4)1

01/22/2010120250851Open ↗

▸Energy Compliance9

▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS6

11/17/2015122128250Open ↗

12/17/2014122128250Open ↗

Showing 3 of 6 on file for this type

▸BISAS-BUILT ENERGY ANALYSIS1

11/17/2015122128250Open ↗

▸DOB NOWEN2: As Built Energy Analysis1

08/13/2026M00690520-I1Open ↗

▸DOB NOWPreliminary Commissioning Report Certification1

08/13/2026M01033541-I1Open ↗

▸Approvals, Objections & Sign-offs2

▸BISADMINISTRATIVE OBJECTIONS1

01/22/2010120250851Open ↗

▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST1

11/17/2015122128250Open ↗

▸Cost, Insurance & Ownership4

▸BISCOST AFFIDAVIT4

11/17/2015122128250Open ↗

09/15/2014122128250Open ↗

Showing 3 of 4 on file for this type

▸Filing & Intake Forms4

▸BISEFILING COVER SHEET3

09/15/2014122128250Open ↗

01/22/2010120250851Open ↗

▸BISADDITIONAL INFORMATION1

09/03/2015122128250Open ↗

▸Other Documents1

▸BISEXTERNAL FORMS - SUPPORTING DOCUMENTATION1

05/06/2010120250851Open ↗