Elevator apt, fireproof without stores

Wenonah

523 WEST 112TH STREET · Name © OpenStreetMap contributors · Morningside Heights · BIN 1056993

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1925Year Built

8Stories

D3Building Class

R8Zoning

54,567 sfGross Floor Area

49Units

LL97 CoveredRent Stabilized0 Active ViolationsFISP: SWARMPFDNY Report ↗

Elevator apt, fireproof without stores · Owner of record: Trustees of Columbia University · 7,569 sf lot · 7.21 FAR built · Flood zone X

Locations of Work

ArchitectureStructuralMechanicalPlumbingEquipmentGeneral

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

Floor 3Firestopping installation19p · 4 filings · 18 docs

Floor 2

Floor 1Unit 3S3p · 1 filing · 11 docs

CellarColumbia University boiler installation4p · 1 filing · 5 docs

Site & exteriorSidewalk shed installation3p · 1 filing · 3 docs

▾Design Consultants (Architect / Engineer of Record)

Firm	Filings	Most Recent
Jack Green Associates	1	01/30/2026
Rise Projects	1	01/28/2026
Environmental Engineering Solutions	1	06/01/2023
Think Wilder	2	04/19/2022
Green Design	1	05/07/2021
Ivan Design Engineering Analysis	1	01/10/2020

▾Filing Representatives (Expediters)

Representative	Filings	Most Recent
DY Expediting	4	03/21/2026
Environmental Engineering Solutions	1	03/21/2026
Stecc	4	03/21/2026
Gsapc	1	03/21/2026

▾Contractors (License-Anchored)

Firm	Trade	Roles	Most Recent
Cosmopolitan Constructio*	General Contractor	4	07/08/2026
Alafogiannis Plumbing & Heating	Plumbing	3	07/08/2026
Triera Contracting	Scaffold	3	03/21/2026
JR Construction	General Contractor	2	04/09/2026
Twins Electric	Electrical	1	03/21/2026
Volmar Construction	General Contractor	1	07/08/2026
Doumas Electric	Electrical	1	03/22/2026

▾Special Inspection Agencies

Agency	License #	Filings	Most Recent
Jack Green Associates	422	2	01/30/2026
Nuenergen	1717	1	06/01/2023
Cole Technologies/Control	1290	2	04/19/2022

Building Lifecycle

All (86)Filed (7)Permit Issued (9)Signed Off (5)Facade (FISP) (12)Violation (38)Inspection (3)Special Inspection (12)

07/31/2026

Signed off — Alteration

M01351612-I1

07/30/2026

Signed off — Alteration

interior renovation in apt 32

M01344102-I1

04/01/2026

Permit issued — General Construction

M01344102-I1-GC

02/27/2026

Permit issued — Plumbing

M01351612-I1-PL

02/09/2026

Permit issued — General Construction

M01344102-I1-GC

01/30/2026

Filed — Alteration

M01351612-I1

01/28/2026

Filed — Alteration

interior renovation in apt 32

M01344102-I1

01/08/2026

Special inspection requirement — Tenant Protection Plan Compliance

LAWRENCE GREEN

01/08/2026

Special inspection requirement — Final

karen frome

01/08/2026

Special inspection requirement — Fire-Resistant Penetrations and Joints

LAWRENCE GREEN

04/03/2024

Violation issued (HPD, closed)

04/01/2024

Violation issued (HPD, closed)

03/05/2024

Permit issued — Boiler Equipment

M00755679-I1-BE

06/21/2023

Signed off — Alteration

M00692199-I1

06/13/2023

Signed off — Alteration

PROPOSED PLUMBING WORK ON 3RD FLOOR UNIT 31. NO CHANGE IN USE, EGRESS AND OCCUPANCY.

M00692200-I1

06/01/2023

Filed — Alteration

INSPECTION SIGN-OFF FOR EXISTING A.O. SMITH HOTWATER HEATER (7384-02)

M00755679-I1

01/05/2023

Cycle 9 facade report signed — SWARMP

01/04/2023

Special inspection requirement — Tenant Protection Plan Compliance

Rengasamy Kasinathan

12/02/2022

Cycle 9 facade inspection completed

10/13/2022

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

Certified

View inspection ↗

10/13/2022

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

Certified

View inspection ↗

10/05/2022

Signed off — Alteration

M00517986-I1

07/12/2022

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

Certified

View inspection ↗

06/21/2022

Cycle 9 facade report submitted

06/10/2022

Special inspection requirement — Fire-Resistant Penetrations and Joints

Rengasamy Kasinathan

06/01/2022

Permit issued — General Construction

M00692199-I1-GC

05/05/2022

Permit issued — Plumbing

M00692200-I1-PL

05/03/2022

Permit issued — General Construction

M00692199-I1-GC

04/19/2022

Filed — Alteration

M00692199-I1

04/19/2022

Filed — Alteration

PROPOSED PLUMBING WORK ON 3RD FLOOR UNIT 31. NO CHANGE IN USE, EGRESS AND OCCUPANCY.

M00692200-I1

02/22/2022

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

05/10/2021

Permit issued — Sidewalk Shed

M00517986-I1-SH

05/07/2021

Filed — Alteration

M00517986-I1

05/07/2021

Special inspection requirement — Final

Sunil Saigal

04/02/2021

Violation issued (HPD, closed)

01/10/2020

Filed — Alteration

M00279594-I1

01/10/2020

Permit issued — Structural

M00279594-I1-ST

12/11/2019

Special inspection requirement — Concrete - Cast-In-Place

GEORGE ANDERSEN

12/11/2019

Special inspection requirement — Final

GEORGE ANDERSEN

12/11/2019

Special inspection requirement — Structural Steel - Welding

GEORGE ANDERSEN

12/11/2019

Special inspection requirement — Structural Steel - Details

GEORGE ANDERSEN

12/11/2019

Special inspection requirement — Structural Stability – Alterations of existing buildings

GEORGE ANDERSEN

12/11/2019

Special inspection requirement — Structural Cold-Formed Steel

GEORGE ANDERSEN

07/02/2019

Violation issued (ECB, closed)

Construction

01/09/2019

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

12/04/2018

Violation issued (ECB, closed)

Elevators

10/12/2018

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

09/24/2018

Violation issued (ECB, closed)

Elevators

07/26/2018

Violation issued (ECB, closed)

Elevators

02/06/2017

Cycle 8 facade report submitted

02/06/2017

Cycle 8 facade report signed — SWARMP

01/25/2017

Cycle 8 facade inspection completed

02/03/2015

Violation issued (HPD, closed)

11/07/2014

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

05/30/2014

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

10/07/2013

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

03/01/2013

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

12/11/2012

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

06/18/2012

Violation issued (FDNY_NOV, closed)

11/01/2011

Violation issued (FDNY_NOV, closed)

Latest 60 of 86 events.

Permit / Filing Register

Source	Work Type	Status	Applicant	Issued
DOB NOW	General Construction	Signed-off	JR Construction	04/01/2026
DOB NOW	Plumbing	Signed-off	Alafogiannis Plumbing & Heating	02/27/2026
DOB NOW	General Construction	Signed-off	JR Construction	02/09/2026
DOB NOW	Boiler Equipment	Permit Issued	Alafogiannis Plumbing & Heating	03/05/2024
DOB NOW	General Construction	Signed-off	Cosmopolitan Constructio*	06/01/2022
DOB NOW	Plumbing	Signed-off	Alafogiannis Plumbing & Heating	05/05/2022
DOB NOW	General Construction	Signed-off	Cosmopolitan Constructio*	05/03/2022
DOB NOW	Sidewalk Shed	Signed-off	Triera Contracting	05/10/2021
DOB NOW	Structural	Permit Issued	Volmar Construction	01/10/2020
BIS	OT	ISSUED	Henry Restoration	12/03/2021
BIS	OT	ISSUED	Henry Restoration	10/13/2021
BIS	OT	ISSUED	Henry Restoration	11/27/2020
BIS	OT	ISSUED	Volmar Construction	06/18/2019
BIS	PL	ISSUED	Adamjohn & Sons	08/08/2018
BIS	OT	ISSUED	Volmar Construction	07/26/2018
BIS	OT	ISSUED	Columbia University	07/11/2016
BIS	OT	ISSUED	Columbia University	07/01/2016
BIS	PL	ISSUED	Alafogiannis Plumbing & Heating	03/09/2016
BIS	PL	ISSUED	Alafogiannis Plumbing & Heating	02/08/2016
BIS	OT	ISSUED	Columbia University	01/28/2016
BIS	OT	ISSUED	Columbia University	12/08/2015
BIS	OT	ISSUED	Columbia University	12/08/2015
BIS	BL	ISSUED	Alafogiannis Plumbing & Heating	05/29/2015
BIS	OT	ISSUED	Columbia University	11/19/2014
BIS	OT	ISSUED	Columbia University	10/22/2014
BIS	PL	ISSUED	National Mechanical Services Plumbing	09/23/2014
BIS	BL	ISSUED	National Mechanical Services Plumbing	09/23/2014
BIS	PL	ISSUED	Alafogiannis Plumbing & Heating	09/19/2014
BIS	OT	ISSUED	Columbia University	07/22/2014
BIS	PL	ISSUED	Alafogiannis Plumbing & Heating	01/22/2013
BIS	OT	ISSUED	Columbia University	11/07/2012
BIS	PL	ISSUED	N Kofsky & Son	08/09/2011
BIS	FS	RE-ISSUED	C C Controlled Combustion	08/09/2011
BIS	OT	ISSUED	Columbia University	06/28/2010
BIS	OT	ISSUED	Columbia University	06/25/2010
BIS	OT	ISSUED	Columbia University	05/14/2009
BIS	SD	ISSUED	Psec Plumbing & Heating	04/18/2008
BIS	OT	ISSUED	Columbia University	04/09/2008
BIS	PL	ISSUED	Psec Plumbing & Heating	01/10/2008
BIS	PL	ISSUED	Absolute Plumbing & Heating	10/23/2007

+ 6 more permits on file

8 projects · most recent 03/24/2026

General Wiring

Filed	Status	Contractor	Scope
03/24/2026	Permit Issued	Doumas Electric	General Wiring
02/16/2026	Complete	One Source Electric Installation	General Wiring
08/31/2023	Permit Issued	Nee Electrical	—
07/26/2022	Permit Issued	Doumas Electric	General Wiring
05/06/2022	Permit Issued	Doumas Electric	—
05/07/2021	Complete	Richard Neu	—
07/24/2019	Permit Issued	KLK Electric	General Wiring
07/26/2018	Complete	All Purpose Electric	General Wiring

1 project · most recent 01/28/2026

Tenant Protection Plan 72 Hour

Filed	Status	Contractor	Scope
01/28/2026	Signed-off	JR Construction	Tenant Protection Plan 72 Hour

▾Field Inspections (DOB CAP) — 3

Date	Type	Result	Report
10/13/2022	Certified Remove/Cap - work done in accordance with code	Certified	View ↗
10/13/2022	Certified Water and Sanitary-WS-Fixtures-Finish	Certified	View ↗
07/12/2022	Certified Water and Sanitary-WS-Sanitary Piping-Roughing	Certified	View ↗

▾Special Inspection Requirements (DOB NOW) — 12

Date	Requirement	Inspector	Role
01/08/2026	Tenant Protection Plan Compliance	LAWRENCE GREEN	special
01/08/2026	Final	karen frome	progress
01/08/2026	Fire-Resistant Penetrations and Joints	LAWRENCE GREEN	special
01/04/2023	Tenant Protection Plan Compliance	Rengasamy Kasinathan	special
06/10/2022	Fire-Resistant Penetrations and Joints	Rengasamy Kasinathan	special
05/07/2021	Final	Sunil Saigal	progress
12/11/2019	Concrete - Cast-In-Place	GEORGE ANDERSEN	special
12/11/2019	Final	GEORGE ANDERSEN	progress
12/11/2019	Structural Steel - Welding	GEORGE ANDERSEN	special
12/11/2019	Structural Steel - Details	GEORGE ANDERSEN	special
12/11/2019	Structural Stability – Alterations of existing buildings	GEORGE ANDERSEN	special
12/11/2019	Structural Cold-Formed Steel	GEORGE ANDERSEN	special

▾Documents — 286 on file (BIS + DOB NOW)

▸Plans & Drawings7

▸DOB NOWPlans/Sketch6

09/03/2026M00517986-I1Request digital key ↗

09/02/2026M00692199-I1Request digital key ↗

09/02/2026M00692200-I1Request digital key ↗

Showing 3 of 6 on file for this type

▸DOB NOWPlans/Sketch - Structural1

09/05/2026M00279594-I1Request digital key ↗

▸Applications & Permits50

▸BISWORK PERMIT APPLICATION30

11/27/2020140927273Open ↗

11/04/2019140841203Open ↗

08/01/2019140841203Open ↗

Showing 3 of 30 on file for this type

▸BISPLAN / WORK APPROVAL APPLICATION20

10/07/2020140927273Open ↗

05/31/2019140841203Open ↗

07/02/2018140774348Open ↗

Showing 3 of 20 on file for this type

▸Seals & Professional Certifications62

▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION21

05/30/2019140774348Open ↗

06/27/2016122809602Open ↗

06/27/2016122809595Open ↗

Showing 3 of 21 on file for this type

▸DOB NOWSpecial Inspector Seal & Signature9

09/23/2026M00755679-I1Open ↗

08/30/2026M01344102-I1Open ↗

Showing 3 of 9 on file for this type

▸BISPROFESSIONAL CERTIFIED CHECKLIST7

06/12/2015122418286Open ↗

10/01/2014122140986Open ↗

Showing 3 of 7 on file for this type

▸DOB NOWDPL-1: Design Professional Seal & Signature7

09/05/2026M00279594-I1Open ↗

09/03/2026M00517986-I1Open ↗

09/02/2026M00692199-I1Open ↗

Showing 3 of 7 on file for this type

▸BISPROFESSIONAL CERTIFICATION STATEMENT5

10/07/2020140927273Open ↗

05/31/2019140841203Open ↗

07/02/2018140774348Open ↗

Showing 3 of 5 on file for this type

▸BISPROFESSIONAL CERTIFICATION STATEMENT FORM4

08/12/2011120773975Open ↗

11/23/2010120537614Open ↗

Showing 2 of 4 on file for this type

▸BISREQUIRED ITEMS CHECKLIST FOR PROFESSIONAL CERTIFICATION3

10/07/2020140927273Open ↗

05/31/2019140841203Open ↗

07/02/2018140774348Open ↗

▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY3

10/07/2020140927273Open ↗

05/31/2019140841203Open ↗

07/02/2018140774348Open ↗

▸DOB NOWProgress Inspector Seal & Signature3

09/18/2026M00517986-I1Open ↗

08/30/2026M01344102-I1Open ↗

08/23/2026M00279594-I1Open ↗

▸Trade Schedules & Equipment34

▸BISSCHEDULE B - PLUMBING11

05/31/2019140841203Open ↗

07/02/2018140774348Open ↗

10/03/2012121389372Open ↗

Showing 3 of 11 on file for this type

▸BISSELF-CERT PLUMBING NOTICE8

04/13/2015122140986Open ↗

11/01/2011120773975Open ↗

10/04/2011120773975Open ↗

Showing 3 of 8 on file for this type

▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE5

06/27/2016122809602Open ↗

06/27/2016122809595Open ↗

01/25/2016122627247Open ↗

Showing 3 of 5 on file for this type

▸BISSCHEDULE C - HEATING & COMBUSTION EQUIPMENT5

06/12/2015122418286Open ↗

01/12/2015122140986Open ↗

12/29/2014122140986Open ↗

Showing 3 of 5 on file for this type

▸BISBOILERS - SUPPORTING DOCUMENTATION2

04/13/2015122140986Open ↗

11/22/2011120773975Open ↗

▸BISSTANDPIPE INSP REPORT : FP-842

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

Showing 0 of 2 on file for this type

▸BISDETECTOR:SMOKE-CERT. OF INSTALLATION1

10/09/2020140841203Open ↗

▸Safety & Tenant Protection6

▸BISTENANT PROTECTION PLAN AND NOTES5

10/07/2020140927273Open ↗

05/31/2019140841203Open ↗

07/02/2018140774348Open ↗

Showing 3 of 5 on file for this type

▸DOB NOWTenant Protection Plan1

08/13/2026M00279594-I1Open ↗

▸Environmental & Asbestos24

▸BISASBESTOS: CERTIFICATION (DEP ACP5)9

10/07/2020140927273Open ↗

05/31/2019140841203Open ↗

07/02/2018140774348Open ↗

Showing 3 of 9 on file for this type

▸BISTHIS IS 'NOT AN ASBESTOS PROJECT'8

08/12/2011120773975Open ↗

11/23/2010120537614Open ↗

Showing 2 of 8 on file for this type

▸DOB NOWDEP ACP-5: Asbestos Assessment Report4

09/05/2026M00279594-I1Open ↗

08/31/2026M00755679-I1Open ↗

08/19/2026M01351612-I1Open ↗

Showing 3 of 4 on file for this type

▸DOB NOWDEP ACP-20/ACP-21: Asbestos Project Conditional Completion Form/Asbestos Project Completion Form2

09/02/2026M00692199-I1Open ↗

08/13/2026M00692200-I1Open ↗

▸BISASBESTOS EXEMPTION CERTIFICATION LETTER1

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

Showing 0 of 1 on file for this type

▸Energy Compliance28

▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS13

05/30/2019140774348Open ↗

06/27/2016122809602Open ↗

06/27/2016122809595Open ↗

Showing 3 of 13 on file for this type

▸BISAS-BUILT ENERGY ANALYSIS4

10/09/2020140841203Open ↗

05/30/2019140774348Open ↗

05/13/2015122140986Open ↗

Showing 3 of 4 on file for this type

▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY FOR ENERGY CODE PROGRESS INSPECTIONS3

10/07/2020140927273Open ↗

05/31/2019140841203Open ↗

07/02/2018140774348Open ↗

▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY3

10/09/2020140841203Open ↗

05/31/2019140841203Open ↗

07/02/2018140774348Open ↗

▸BISNYCECC ANALYSIS1

10/07/2020140927273Open ↗

▸BISTR8: Energy Code Progress Inspections1

08/12/2011120773975Open ↗

▸BISAS-BUILT ENERGY ANALYSIS (EN2)1

01/21/2023140927273Open ↗

▸BISTECHNICAL REPORT: ENERGY1

08/12/2011120773975Open ↗

▸DOB NOWEN2: As Built Energy Analysis1

08/13/2026M00692199-I1Open ↗

▸Inspections & Test Reports5

▸BISTECHNICAL REPORT: RESPONSIBILITY3

10/09/2020140841203Open ↗

05/31/2019140841203Open ↗

07/02/2018140774348Open ↗

▸BISMASONRY1

01/21/2023140927273Open ↗

▸BISDIR-14 ID OF RESPONSIBILITY (TR1)1

10/19/2021140927273Open ↗

▸Approvals, Objections & Sign-offs21

▸BISADMINISTRATIVE OBJECTIONS8

10/03/2012121389372Open ↗

08/12/2011120773975Open ↗

11/23/2010120537614Open ↗

Showing 3 of 8 on file for this type

▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST7

01/23/2023140927273Open ↗

05/30/2019140774348Open ↗

05/13/2015122140986Open ↗

Showing 3 of 7 on file for this type

▸DOB NOWFee Exempt Supporting Document - DOF ACRIS report or BIB letter3

09/02/2026M00692199-I1Open ↗

08/13/2026M00279594-I1Open ↗

08/13/2026M00692200-I1Open ↗

▸BISLETTERS - SUPPORTING DOCUMENTATION2

05/30/2019140774348Open ↗

07/23/2013120773975Open ↗

▸BISFINAL1

01/21/2023140927273Open ↗

▸Cost, Insurance & Ownership30

▸BISCOST AFFIDAVIT25

10/09/2020140841203Open ↗

10/07/2020140927273Open ↗

05/31/2019140841203Open ↗

Showing 3 of 25 on file for this type

▸BISHIC LICENSE OR AFFIDAVIT4

07/11/2016122809595Open ↗

06/28/2010120391520Open ↗

06/28/2010120391511Open ↗

Showing 3 of 4 on file for this type

▸BISCOST AFFIDAVIT (FINAL): PW31

01/21/2023140927273Open ↗

▸Filing & Intake Forms19

▸BISEFILING COVER SHEET9

06/27/2016122809602Open ↗

06/27/2016122809595Open ↗

01/25/2016122627247Open ↗

Showing 3 of 9 on file for this type

▸BISADDITIONAL INFORMATION6

01/12/2015122140986Open ↗

12/29/2014122140986Open ↗

08/07/2012120773975Open ↗

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▸BISEFILING JOB APPLICATION COVER SHEET3

10/07/2020140927273Open ↗

05/31/2019140841203Open ↗

07/02/2018140774348Open ↗

▸BISBOROUGH INTAKE FORM1

05/30/2019140774348Open ↗