School or academy

20 WEST 94 STREET

MANHATTAN · Upper West Side (Central) · BIN 1031647

💬 Discuss this project

1900Year Built

4Stories

W3Building Class

R7-2Zoning

5,220 sfGross Floor Area

1Units

0 Open Violations

School or academy · Owner of record: COLUMBIA GRAMMAR SCHOOL · 1,888 sf lot · 2.76 FAR built · Flood zone X

Locations of Work

MechanicalPlumbing

Floor 14p · 2 filings · 20 docs

Sub-Basement1p · 1 filing · 5 docs

▾Owner History (Filing Record)

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

Owner	Filings	Most Recent
COLUMBIA GRAMMAR PREP SCHOOL	25	07/08/2026
COLUMBIA GRAMMAR SCHOOL	10	07/08/2026

▾Design Consultants (Architect / Engineer of Record)

Firm	Filings	Most Recent
IBI GROUP ARCHITECTS	3	06/27/2024
NEWTEC ENGINEERING	4	06/26/2024
ADAL ENGINEERING PLLC	1	12/19/2019

▾Filing Representatives (Expediters)

Representative	Filings	Most Recent
IBI GROUP-GRUZEN SAMTON ARCHITECTS	4	03/21/2026
RIZZO GROUP	1	03/21/2026

▾Contractors (License-Anchored)

Firm	Trade	Roles	Most Recent
MC CONSTRUCTION CONSULTING INC	General Contractor	2	03/21/2026
Z.W. PLBG & HTG CORP	Plumbing	2	07/08/2026

Building Lifecycle

All (35)Filed (8)Permit Issued (3)Signed Off (1)Violation (11)Inspection (3)Objection (2)Special Inspection (7)

04/30/2025

Inspection — Certified Remove/Cap - work done in accordance with code

Certified

View inspection ↗

04/30/2025

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

Certified

View inspection ↗

09/23/2024

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

08/26/2024

Signed off — Alteration

Install new single-occupancy toilet room and accessory office within existing classroom.

M01052209-I1

07/19/2024

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

Certified

View inspection ↗

07/10/2024

Permit issued — General Construction

M01052209-I1-GC

07/02/2024

Permit issued — Plumbing

M01052209-S3-PL

07/01/2024

Special inspection requirement — Final

Bryan McKeown

06/28/2024

Special inspection requirement — Final

06/28/2024

Special inspection requirement — Mechanical Systems

06/27/2024

Filed — Alteration

Install new single-occupancy toilet room and accessory office within existing classroom.

M01052209-P4

06/27/2024

Special inspection requirement — Final

Bryan McKeown

06/26/2024

Filed — Alteration

Install new single-occupancy toilet room and accessory office within existing classroom.

M01052209-P3

06/26/2024

Filed — Alteration

Install new single-occupancy toilet room and accessory office within existing classroom.

M01052209-P2

06/26/2024

Special inspection requirement — Mechanical Systems

06/26/2024

Special inspection requirement — Final

06/20/2024

Filed — Alteration

Install new single-occupancy toilet room and accessory office within existing classroom.

M01052209-P1

06/19/2024

Special inspection requirement — Final

06/03/2024

Filed — Alteration

Install new single-occupancy toilet room and accessory office within existing classroom.

M01052209-S2

06/03/2024

Filed — Alteration

Install new single-occupancy toilet room and accessory office within existing classroom.

M01052209-S3

05/22/2024

Objection raised — Scope

05/22/2024

Objection resolved — Addressed

05/16/2024

Filed — Alteration

Install new single-occupancy toilet room and accessory office within existing classroom.

M01052209-I1

01/17/2020

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

01/06/2020

Permit issued — Plumbing

M00275689-I1-PL

12/19/2019

Filed — Alteration

Modifications to the existing plumbing system on the basement and 1st floors (Columbia Grammar & Preparatory School) as per plans. No change to use, egress or occupancy.

M00275689-I1

05/30/2019

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

06/15/2018

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

06/10/2015

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

06/09/2015

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

06/09/2015

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

05/30/2014

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

10/01/2012

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

07/31/2012

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

08/30/2010

Violation issued (ECB, closed)

Unknown

Permit / Filing Register

Source	Work Type	Status	Applicant	Issued
DOB NOW	General Construction	Signed-off	MC CONSTRUCTION CONSULTIN	07/10/2024
DOB NOW	Plumbing	Signed-off	Z.W. PLBG & HTG CORP	07/02/2024
DOB NOW	Plumbing	Permit Issued	Z.W. PLBG & HTG CORP	01/06/2020
BIS	OT	ISSUED	MC CONTRACTING NY CORP	05/30/2019
BIS	PL	ISSUED	Z.W. PLBG & HTG CORP	02/16/2017
BIS	BL	ISSUED	Z.W. PLBG & HTG CORP	02/16/2017
BIS	OT	ISSUED	MC CONSTRUCTION CONSULTING INC	11/08/2012
BIS	MH	ISSUED	MC CONSTRUCTION CONSULTING INC	11/08/2012
BIS	EQ	ISSUED	MC CONSTRUCTION CONSULTING INC	08/09/2012
BIS	OT	ISSUED	MC CONSTRUCTION CONSULTING INC	08/09/2012
BIS	EQ	ISSUED	MC CONSTRUCTION CONSULTING INC	07/23/2012
BIS	OT	ISSUED	MC CONSTRUCTION CONSULTING INC	07/23/2012
BIS	PL	ISSUED	Z.W. PLBG & HTG CORP	03/20/2012
BIS	OT	RE-ISSUED	MC CONSTRUCTION CONSULTING INC	11/15/2011
BIS	OT	ISSUED	MC CONSTRUCTION CONSULTING INC	11/07/2011
BIS	BL	ISSUED	Z.W. PLBG & HTG CORP	07/20/2011
BIS	PL	ISSUED	Z.W. PLBG & HTG CORP	03/18/2011
BIS	—	ISSUED	MC CONSTRUCTION CONSULTING INC	03/17/2011
BIS	PL	ISSUED	Z.W. PLBG & HTG CORP	03/11/2011
BIS	OT	ISSUED	MC CONSTRUCTION CONSULTING INC	02/14/2011
BIS	MH	ISSUED	MC CONSTRUCTION CONSULTING INC	12/20/2010
BIS	OT	ISSUED	MC CONSTRUCTION CONSULTING INC	12/20/2010
BIS	MH	ISSUED	MC CONSTRUCTION CONSULTING INC	09/15/2010
BIS	OT	ISSUED	MC CONSTRUCTION CONSULTING INC	09/15/2010
BIS	OT	ISSUED	JC REFINISHING CONTR CORP	08/26/2010
BIS	PL	ISSUED	UNFLAT & PEROTTO ASSO	05/22/1995
BIS	BL	ISSUED	UNFLAT & PEROTTO ASSO	05/22/1995

1 project · most recent 06/27/2024

Ventilation Systems

Filed	Status	Contractor	Scope	Make / Model / Capacity
06/27/2024	Signed-off	MC CONSTRUCTION CONSULTIN	Ventilation Systems	Ventilation Titus 56FL 300 CFM ×2 Anemostat SE3HD 300 CFM · Ductwork ×1

2 projects · most recent 06/27/2024

Water/Sanitary

Filed	Status	Contractor	Scope
06/27/2024	Signed-off	Z.W. PLBG & HTG CORP	Water/Sanitary
12/19/2019	Permit Issued	Z.W PLBG & HTG CORP	Water/Sanitary

▾Field Inspections (DOB CAP) — 3

Date	Type	Result	Report
04/30/2025	Certified Remove/Cap - work done in accordance with code	Certified	View ↗
04/30/2025	Certified Water and Sanitary-WS-Fixtures-Finish	Certified	View ↗
07/19/2024	Certified Water and Sanitary-WS-Sanitary Piping-Roughing	Certified	View ↗

▾Special Inspection Requirements (DOB NOW) — 7

Date	Requirement	Inspector	Role
07/01/2024	Final	Bryan McKeown	progress
06/28/2024	Final	—	progress
06/28/2024	Mechanical Systems	—	special
06/27/2024	Final	Bryan McKeown	progress
06/26/2024	Mechanical Systems	—	special
06/26/2024	Final	—	progress
06/19/2024	Final	—	progress

▾Documents — 308 on file (BIS + DOB NOW)

▸Plans & Drawings8

▸DOB NOWPlans/Sketch7

08/27/2026M01052209-S2Request digital key ↗

08/27/2026M01052209-S3Request digital key ↗

08/27/2026M01052209-I1Request digital key ↗

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▸DOB NOWPlans/Sketch - Plumbing1

09/05/2026M00275689-I1Request digital key ↗

▸Applications & Permits70

▸BISPLAN / WORK APPROVAL APPLICATION32

12/12/2019123865610Open ↗

06/03/2019123807201Open ↗

06/08/2017123019303Open ↗

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▸BISWORK PERMIT APPLICATION26

12/13/2019123865610Open ↗

05/30/2019123807201Open ↗

02/24/2017123019303Open ↗

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▸DOB NOWLPC Approval/Permit8

08/13/2026M00275689-I1Open ↗

08/13/2026M01052209-P2Open ↗

08/13/2026M01052209-P3Open ↗

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▸BISPLAN - WORK & PERMITS - SUPPPORTING DOCUMENTATION3

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▸BISPLACE OF ASSEMBLY1

12/02/2013121841819Open ↗

▸Zoning, Tax Lot & Property Records4

▸BISZoning Diagram (ZD1)2

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

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▸BISZONING DIAGRAM2

05/03/2011120244039Open ↗

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▸Seals & Professional Certifications46

▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION26

12/12/2019123865610Open ↗

10/29/2019123807201Open ↗

06/03/2019123807201Open ↗

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▸DOB NOWDPL-1: Design Professional Seal & Signature8

08/27/2026M01052209-I1Open ↗

08/27/2026M01052209-S2Open ↗

08/27/2026M01052209-P4Open ↗

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▸BISPROFESSIONAL CERTIFIED CHECKLIST5

12/12/2019123865610Open ↗

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02/16/2017123019303Open ↗

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▸BISPROFESSIONAL CERTIFICATION STATEMENT3

12/12/2019123865610Open ↗

06/03/2019123807201Open ↗

02/16/2017123019303Open ↗

▸BISPROFESSIONAL CERTIFICATION STATEMENT FORM2

08/09/2012121335787Open ↗

07/26/2012121155070Open ↗

▸DOB NOWProgress Inspector Seal & Signature2

09/01/2026M01052209-I1Open ↗

08/23/2026M01052209-P4Open ↗

▸Trade Schedules & Equipment31

▸BISSCHEDULE B - PLUMBING11

03/15/2012120244039Open ↗

03/08/2012120244039Open ↗

01/27/2012120244039Open ↗

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▸BISSELF-CERT PLUMBING NOTICE9

12/28/2012120244039Open ↗

12/18/2012120244039Open ↗

11/19/2012120244039Open ↗

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▸BISFA - FDNY APPROVAL : FD-FAA3

07/19/2014120502946Open ↗

06/27/2014120502946Open ↗

07/25/2012120502946Open ↗

▸BISEQUIPMENT USE APPLICATION/PERMIT3

06/05/2014120400431Open ↗

12/06/2013120400431Open ↗

▸BISSCHEDULE C - HEATING & COMBUSTION EQUIPMENT2

02/16/2017123019303Open ↗

04/11/2011120652622Open ↗

▸BISBOILERS - SUPPORTING DOCUMENTATION1

12/19/2011120652622Open ↗

▸BISEQUIPMENT USE PERMITS1

12/06/2013120400431Open ↗

▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE1

02/16/2017123019303Open ↗

▸Safety & Tenant Protection2

▸BISSTREET TREE CHECKLIST1

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▸BISTenant Protection Plan and Notes1

02/16/2017123019303Open ↗

▸Environmental & Asbestos19

▸BISASBESTOS-CERTIFICATION (DEP ACP5)10

08/09/2012121335787Open ↗

07/26/2012121155070Open ↗

06/08/2011120502946Open ↗

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▸DOB NOWDEP ACP-5: Asbestos Assessment Report8

08/27/2026M01052209-I1Open ↗

08/27/2026M01052209-S2Open ↗

08/27/2026M01052209-P4Open ↗

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▸BISTHIS IS NOT AN ASBESTOS PROJECT1

07/08/2011120652622Open ↗

▸Energy Compliance12

▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS6

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02/16/2017123019303Open ↗

11/26/2013120652622Open ↗

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▸BISEN2 - As Built Energy Analysis3

06/05/2014120400431Open ↗

05/10/2013121335787Open ↗

07/20/2020123865610Open ↗

▸BISTR8: Energy Code Progress Inspections2

06/05/2014120400431Open ↗

07/01/2011120652622Open ↗

▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY1

07/20/2020123865610Open ↗

▸Inspections & Test Reports8

▸BISTECHNICAL REPORT: CONCRETE/TEST CYLINDER4

09/15/2017120244039Open ↗

06/05/2014120400431Open ↗

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▸BISTECHNICAL REPORT: CONCRETE DESIGN MIX3

09/15/2017120244039Open ↗

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▸BISTECHNICAL REPORT: RESPONSIBILITY1

07/20/2020123865610Open ↗

▸Approvals, Objections & Sign-offs59

▸BISSCHEDULE A - OCCUPANCY - USE17

10/11/2011120244039Open ↗

01/17/2014120244039Open ↗

09/05/2013120244039Open ↗

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▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST13

07/20/2020123865610Open ↗

10/29/2019123807201Open ↗

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▸BISLANDMARKS APPROVAL10

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06/05/2014120400431Open ↗

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▸BISADMINISTRATIVE OBJECTIONS9

08/09/2012121335787Open ↗

06/08/2011120502946Open ↗

04/11/2011120652622Open ↗

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▸DOB NOWFee Exempt Supporting Document - DOF ACRIS report or BIB letter8

08/13/2026M01052209-P2Open ↗

08/13/2026M01052209-S3Open ↗

08/13/2026M01052209-P1Open ↗

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▸BISLETTERS - SUPPORTING DOCUMENTATION2

02/16/2017123019303Open ↗

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▸Cost, Insurance & Ownership19

▸BISCOST AFFIDAVIT19

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▸Filing & Intake Forms15

▸BISEFILING COVER SHEET7

12/12/2019123865610Open ↗

06/03/2019123807201Open ↗

02/16/2017123019303Open ↗

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▸BISADDITIONAL INFORMATION7

03/29/2017123019303Open ↗

01/29/2014120244039Open ↗

11/14/2013120244039Open ↗

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▸BISBOROUGH INTAKE FORM1

10/29/2019123807201Open ↗

▸Other Documents15

▸BISEXTERNAL FORMS - SUPPORTING DOCUMENTATION7

12/11/2019123865610Open ↗

06/03/2019123807201Open ↗

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▸BISPLOT DIAGRAM5

02/11/2015120244039Open ↗

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▸BISCONSTRUCTION - SUPPORTING DOCUMENTATION3

08/13/2012121335787Open ↗

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