School or academy

20 WEST 94TH STREET

MANHATTAN · BIN 1031647

💬 Discuss this project

1900Year Built

4Stories

W3Building Class

R7-2Zoning

5,220 sfGross Floor Area

1Units

0 Active Violations

School or academy · Owner of record: Columbia Grammar School · 1,888 sf lot · 2.76 FAR built · Flood zone X

Locations of Work

ArchitectureMechanicalPlumbing

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

Floor 1Columbia Grammar and Prep School13p · 2 filings · 20 docs

Sub-BasementColumbia Grammar and Prep School1p · 1 filing · 4 docs

▾Owner History (Filing Record)

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

Owner	Filings	Most Recent
Columbia Grammar & Prep School	39	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	1	12/19/2019

▾Filing Representatives (Expediters)

Representative	Filings	Most Recent
Ibi Group-Gruzen Samton Architects	4	03/21/2026
Codegreen	1	03/21/2026

▾Contractors (License-Anchored)

Firm	Trade	Roles	Most Recent
MC Construction Consulting	General Contractor	2	03/21/2026
Z.W. Plumbing & Heating	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 Consulting	07/10/2024
DOB NOW	Plumbing	Signed-off	Z.W. Plumbing & Heating	07/02/2024
DOB NOW	Plumbing	Permit Issued	Z.W. Plumbing & Heating	01/06/2020
BIS	OT	ISSUED	MC Contracting NY	05/30/2019
BIS	PL	ISSUED	Z.W. Plumbing & Heating	02/16/2017
BIS	BL	ISSUED	Z.W. Plumbing & Heating	02/16/2017
BIS	OT	ISSUED	MC Construction Consulting	11/08/2012
BIS	MH	ISSUED	MC Construction Consulting	11/08/2012
BIS	EQ	ISSUED	MC Construction Consulting	08/09/2012
BIS	OT	ISSUED	MC Construction Consulting	08/09/2012
BIS	EQ	ISSUED	MC Construction Consulting	07/23/2012
BIS	OT	ISSUED	MC Construction Consulting	07/23/2012
BIS	PL	ISSUED	Z.W. Plumbing & Heating	03/20/2012
BIS	OT	RE-ISSUED	MC Construction Consulting	11/15/2011
BIS	OT	ISSUED	MC Construction Consulting	11/07/2011
BIS	BL	ISSUED	Z.W. Plumbing & Heating	07/20/2011
BIS	PL	ISSUED	Z.W. Plumbing & Heating	03/18/2011
BIS	—	ISSUED	MC Construction Consulting	03/17/2011
BIS	PL	ISSUED	Z.W. Plumbing & Heating	03/11/2011
BIS	OT	ISSUED	MC Construction Consulting	02/14/2011
BIS	MH	ISSUED	MC Construction Consulting	12/20/2010
BIS	OT	ISSUED	MC Construction Consulting	12/20/2010
BIS	MH	ISSUED	MC Construction Consulting	09/15/2010
BIS	OT	ISSUED	MC Construction Consulting	09/15/2010
BIS	OT	ISSUED	JC Refinishing Contracting	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 Consulting	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. Plumbing & Heating	Water/Sanitary
12/19/2019	Permit Issued	Z.W. Plumbing & Heating	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

▾Tenants in the building

Tenant	Space	Floors	Renovation projects
Columbia Grammar and Prep School	Education	Sub-basement, Floor 1	Project M01052209 Alteration · Permit Entire · 05/16/2024 Project M00275689 Alteration · Permit Entire · 12/19/2019

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 — 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 ↗

Showing 3 of 7 on file for this type

▸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 ↗

Showing 3 of 32 on file for this type

▸BISWORK PERMIT APPLICATION26

12/13/2019123865610Open ↗

05/30/2019123807201Open ↗

02/24/2017123019303Open ↗

Showing 3 of 26 on file for this type

▸DOB NOWLPC Approval/Permit8

08/13/2026M00275689-I1Open ↗

08/13/2026M01052209-P2Open ↗

08/13/2026M01052209-P3Open ↗

Showing 3 of 8 on file for this type

▸BISPLAN - WORK & PERMITS - SUPPPORTING DOCUMENTATION3

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

Showing 0 of 3 on file for this type

▸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.

Showing 0 of 2 on file for this type

▸BISZONING DIAGRAM2

05/03/2011120244039Open ↗

Showing 1 of 2 on file for this type

▸Seals & Professional Certifications46

▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION26

12/12/2019123865610Open ↗

10/29/2019123807201Open ↗

06/03/2019123807201Open ↗

Showing 3 of 26 on file for this type

▸DOB NOWDPL-1: Design Professional Seal & Signature8

08/27/2026M01052209-I1Open ↗

08/27/2026M01052209-S2Open ↗

08/27/2026M01052209-P4Open ↗

Showing 3 of 8 on file for this type

▸BISPROFESSIONAL CERTIFIED CHECKLIST5

12/12/2019123865610Open ↗

06/03/2019123807201Open ↗

02/16/2017123019303Open ↗

Showing 3 of 5 on file for this type

▸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 ↗

Showing 3 of 11 on file for this type

▸BISSELF-CERT PLUMBING NOTICE9

12/28/2012120244039Open ↗

12/18/2012120244039Open ↗

11/19/2012120244039Open ↗

Showing 3 of 9 on file for this type

▸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

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

Showing 0 of 1 on file for this type

▸BISTenant Protection Plan and Notes1

02/16/2017123019303Open ↗

▸Environmental & Asbestos19

▸BISASBESTOS-CERTIFICATION (DEP ACP5)10

08/09/2012121335787Open ↗

07/26/2012121155070Open ↗

06/08/2011120502946Open ↗

Showing 3 of 10 on file for this type

▸DOB NOWDEP ACP-5: Asbestos Assessment Report8

08/27/2026M01052209-I1Open ↗

08/27/2026M01052209-S2Open ↗

08/27/2026M01052209-P4Open ↗

Showing 3 of 8 on file for this type

▸BISTHIS IS NOT AN ASBESTOS PROJECT1

07/08/2011120652622Open ↗

▸Energy Compliance12

▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS6

12/12/2019123865610Open ↗

02/16/2017123019303Open ↗

11/26/2013120652622Open ↗

Showing 3 of 6 on file for this type

▸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 ↗

Showing 2 of 4 on file for this type

▸BISTECHNICAL REPORT: CONCRETE DESIGN MIX3

09/15/2017120244039Open ↗

Showing 2 of 3 on file for this type

▸BISTECHNICAL REPORT: RESPONSIBILITY1

07/20/2020123865610Open ↗

▸Approvals, Objections & Sign-offs59

▸BISSCHEDULE A - OCCUPANCY - USE17

10/11/2011120244039Open ↗

01/17/2014120244039Open ↗

09/05/2013120244039Open ↗

Showing 3 of 17 on file for this type

▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST13

07/20/2020123865610Open ↗

10/29/2019123807201Open ↗

Showing 3 of 13 on file for this type

▸BISLANDMARKS APPROVAL10

12/12/2019123865610Open ↗

10/29/2019123807201Open ↗

06/05/2014120400431Open ↗

Showing 3 of 10 on file for this type

▸BISADMINISTRATIVE OBJECTIONS9

08/09/2012121335787Open ↗

06/08/2011120502946Open ↗

04/11/2011120652622Open ↗

Showing 3 of 9 on file for this type

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

08/13/2026M01052209-P2Open ↗

08/13/2026M01052209-S3Open ↗

08/13/2026M01052209-P1Open ↗

Showing 3 of 8 on file for this type

▸BISLETTERS - SUPPORTING DOCUMENTATION2

02/16/2017123019303Open ↗

Showing 1 of 2 on file for this type

▸Cost, Insurance & Ownership19

▸BISCOST AFFIDAVIT19

07/20/2020123865610Open ↗

12/12/2019123865610Open ↗

10/29/2019123807201Open ↗

Showing 3 of 19 on file for this type

▸Filing & Intake Forms15

▸BISEFILING COVER SHEET7

12/12/2019123865610Open ↗

06/03/2019123807201Open ↗

02/16/2017123019303Open ↗

Showing 3 of 7 on file for this type

▸BISADDITIONAL INFORMATION7

03/29/2017123019303Open ↗

01/29/2014120244039Open ↗

11/14/2013120244039Open ↗

Showing 3 of 7 on file for this type

▸BISBOROUGH INTAKE FORM1

10/29/2019123807201Open ↗

▸Other Documents15

▸BISEXTERNAL FORMS - SUPPORTING DOCUMENTATION7

12/11/2019123865610Open ↗

06/03/2019123807201Open ↗

02/16/2017123019303Open ↗

Showing 3 of 7 on file for this type

▸BISPLOT DIAGRAM5

02/11/2015120244039Open ↗

Showing 1 of 5 on file for this type

▸BISCONSTRUCTION - SUPPORTING DOCUMENTATION3

08/13/2012121335787Open ↗

Showing 1 of 3 on file for this type