609 West 115 Street Manhattan · New York County · 10025

AGREEMENT Dec 15, 2011

party 1 Nyc Department Of Transportation

party 2 Trustees Of Columbia University In The City Of Ny

SUNDRY AGREEMENT Mar 17, 1987

party 1 Columbia Universitytr/O

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MISCELLANEOUS Dec 5, 1969

party 1 City Of New York

ASSIGNMENT, MORTGAGE Nov 25, 1966

assignor/old lender Hotel 609 Corp

assignee/new lender Columbia Univ In Nyctr

MISCELLANEOUS Nov 25, 1966

party 1 Columbia Univ In Nyctr

DEED Apr 4, 1966

grantor/seller New Briarton Apartments

grantee/buyer Columbia Univ In Nyctr

Gas Piping - LL152 Active Oct 31, 2025

DOB violations — total 43 · open 2 · dismissed 22

Gas Piping - LL152 Active Oct 31, 2025

Retro-Commissioning - LL87 Dismissed Jun 29, 2020

FAILURE TO SUBMIT AN EER PER AD. CODE SEC. 28-308.4 - MULTIPLE YEARS (2019)

E-ELEVATOR ELEVATORREQUIRED Resolved Oct 31, 2019

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E-ELEVATOR ELEVATORREQUIRED Resolved Oct 31, 2019

E-ELEVATOR ELEVATORREQUIRED Resolved Oct 31, 2019

Retro-Commissioning - LL87 Dismissed Feb 16, 2017

FAILURE TO SUBMIT AN EER PER AD. CODE SEC. 28-308.4 IN 2016

E-ELEVATOR ELEVATORREQUIRED Resolved Oct 24, 2016

E-ELEVATOR ELEVATORREQUIRED Resolved Nov 4, 2015

E-ELEVATOR ELEVATORREQUIRED Resolved Nov 4, 2015

E-ELEVATOR ELEVATORREQUIRED Resolved Nov 4, 2015

E-ELEVATOR ELEVATORREQUIRED Resolved Nov 18, 2014

E-ELEVATOR ELEVATORREQUIRED Resolved May 23, 2012

E-ELEVATOR ELEVATORREQUIRED Resolved May 23, 2012

E-ELEVATOR ELEVATORREQUIRED Resolved May 23, 2012

LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED Dismissed Dec 13, 2011

VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2010 INSPECTION REPORT

E-ELEVATOR ELEVATORREQUIRED Resolved Apr 14, 2010

LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED Dismissed Dec 31, 2009

LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED Dismissed Jan 1, 2009

E-ELEVATOR ELEVATORREQUIRED Resolved Jun 16, 2008

E-ELEVATOR ELEVATORREQUIRED Resolved Jun 16, 2008

E-ELEVATOR ELEVATORREQUIRED Resolved Jun 16, 2008

Emergency Power Dismissed Mar 31, 2008

LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED Dismissed Jan 3, 2008

LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED Dismissed Jan 19, 2007

E-ELEVATOR ELEVATORREQUIRED Resolved Oct 5, 2006

E-ELEVATOR ELEVATORREQUIRED Resolved Oct 5, 2006

E-ELEVATOR ELEVATORREQUIRED Resolved Oct 5, 2006

LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED Dismissed Jan 6, 2006

LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED Dismissed Jan 31, 2005

E-ELEVATOR ELEVATORREQUIRED Resolved Jun 9, 2004

LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED Dismissed Feb 13, 2004

LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED Dismissed Mar 19, 2003

LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED Dismissed Mar 26, 2002

LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED Dismissed Feb 27, 2001

LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED Dismissed Feb 7, 2000

LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED Dismissed Mar 16, 1999

LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED Dismissed May 4, 1998

LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED Dismissed Sep 16, 1997

LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED Dismissed Feb 10, 1997

LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED Dismissed Aug 29, 1995

LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED Dismissed Mar 18, 1994

LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED Dismissed Mar 18, 1993

A · Non-hazardous Open May 7, 2026

DOB complaints — total 6 · open 0 · closed 6

Category 7K Closed Sep 19, 2023

Complaint 1648530

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Site conditions endangering workers Closed Jun 6, 2022

Complaint 1611299

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Category 7J Closed Jun 6, 2022

Complaint 1611296

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Adjacent buildings not protected Closed Jun 6, 2022

Complaint 1611298

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Permit – none (building/PA/demolition) Closed Sep 24, 2010

Complaint 1289895

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Electrical wiring – defective/exposed Closed May 16, 2008

Complaint 1224858

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HPD violations — total 11 · open 3 · closed 8

(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.G

I · Order to correct Closed Nov 17, 2025

§27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PEN

A · Non-hazardous Open Jun 12, 2025

(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.G

A · Non-hazardous Open Apr 16, 2024

Show all 11

(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.G

I · Order to correct Closed Nov 15, 2023

§27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PEN

I · Order to correct Closed Nov 2, 2022

§27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PEN

A · Non-hazardous Closed Mar 8, 2022

(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.G

A · Non-hazardous Closed Apr 16, 2021

(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.G

C · Immediately hazardous Closed Oct 4, 2016

§ 27-2005 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF HOT WATER EXCEEDING MAXIMUM OF 130 DEGRESS AT HOT WATER FIXTURES AT COMMUNITY BATHROOM, 1st ST

I · Order to correct Closed Oct 16, 2015

§27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PEN

I · Order to correct Closed Mar 2, 2015

§27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PEN