503 West 121 Street
Manhattan, NY 10027BBL 1-01976-0026Map
Owner of record: Trustees Of Columbia University
503 West 121 Street is an elevator apartment building built in 1910 in Manhattan, 10027. It has 30 residential units across 6 floors. The owner of record is Trustees Of Columbia University. HPD has recorded 9 housing violations here, most recently on April 1, 2024. 2 of the 9 most recent violations are still open.
- HPD violations
- 9
- DOB violations
- 21
- ECB violations
- 7
- HPD complaints
- 17
What to know
No open immediately-hazardous violations among recent records.
Date of the most recent HPD inspection that found a problem.
No balance due on recent ECB violations.
Rent stabilization
No rent-stabilized units in 2018–2024 tax bills
Violations
Most recent first. Showing up to 50 per agency.
HPD housing violations · 9
- ANon-hazardous
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.gov\hpd, search bed bugs.
Apr 1, 2024
Closed — Violation dismissed - IInformation / order
And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.
Nov 15, 2023
Closed — Violation dismissed - IInformation / order
And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.
Nov 2, 2022
Closed — Violation dismissed - ANon-hazardous
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.gov\hpd, search bed bugs.
Apr 2, 2021
Closed — Violation dismissed - BHazardous
Properly repair the broken or defective intercom system located at apt 62b, 6th story, 1st apartment from south at west
Nov 22, 2013 · Apt 62B
Open — Not complied with - CImmediately hazardous
Remove the illegal fastening double cyclinder key operated lock at entrance door from street to vestibule
Nov 22, 2013
Closed — Violation closed - BHazardous
Properly repair the broken or defective bell-buzzer system in the foyer located at apt 62b, 6th story, 2nd apartment from east at south
Jul 26, 2013 · Apt 62B
Open — Not complied with - ANon-hazardous
D26-10.01 adm code properly repair with similar material the broken or defective concrete wall at elevator door cellar.
Nov 30, 1987
Closed — Violation closed - BHazardous
D26-10.01 adm code properly repair with similar material the broken or defective broken concrete floor at north west cellar public hall.
Nov 30, 1987
Closed — Violation closed
DOB building violations · 21
- No report and / or late filing (facade) facade required
Failed to file fisp cycle 9a technical report by 02/21/2022
Feb 22, 2022
Dob violation - active - Elevator elevatorrequired
E-elevator elevatorrequired
Nov 14, 2019
Dob violation - resolved - Failure to benchmark none
Failure to file benchmarking report of energy use as per ad. code sec. 28-309.4
Aug 2, 2019
Dob violation - active - Failure to benchmark none
Failure to file benchmarking report of energy use as per ad. code sec. 28-309.4
May 2, 2019
Dob violation - active - Elevator elevatorrequired
E-elevator elevatorrequired
Oct 18, 2017
Dob violation - resolved - Elevator affirmation of correction elevatorrequired
Vio issued to elevator - fail to correct defects on 2012 cat 1 insp/tst
May 30, 2014
Dob violation - dismissed - Elevator elevatorrequired
E-elevator elevatorrequired
Oct 1, 2013
Dob violation - resolved - Elevator elevatorrequired
E-elevator elevatorrequired
Dec 18, 2012
Dob violation - resolved - Low pressure boiler boiler required
Violation issued for failure to file annual boiler 2010 inspection report
Dec 13, 2011
Dob violation - active - Elevator elevatorrequired
E-elevator elevatorrequired
Jan 21, 2011
Vw*-violation - work w/o permit dismissed
Show 11 more ↓
- Elevator elevatorrequired
E-elevator elevatorrequired
Apr 16, 2010
Dob violation - resolved - Low pressure boiler boiler required
Lblvio-low pressure boiler boiler required
Dec 31, 2009
Dob violation - active - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Jan 1, 2009
Dob violation - active - Elevator elevatorrequired
E-elevator elevatorrequired
Jun 13, 2008
Dob violation - resolved - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Jan 3, 2008
Dob violation - active - Facade facade optional
Ll1198-local law 11/98 - facade facade optional
Nov 30, 2007
Dob violation - active - Elevator elevatorrequired
E-elevator elevatorrequired
Oct 16, 2006
Dob violation - resolved - Elevator elevatorrequired
E-elevator elevatorrequired
Mar 14, 2005
Dob violation - resolved - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Feb 13, 2004
Dob violation - dismissed - Elevator elevatorrequired
1p9743
May 7, 2001
Dob violation - resolved - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Feb 10, 1997
Dob violation - dismissed
ECB violations · 7
- Class - 2
Failure to submit an acceptable required cycle 9a report of critical examination documenting condition of exterior wall and appurtenances required by 28-302.4 for control#906798.remedy:submit acceptable require
Dec 9, 2022 · Penalty $6,250
Active - Class - 2
Phone in elevator not working
Oct 18, 2021 · Penalty $312
Resolve - Class - 2
B254, 36 found 1 ao smith hw 670 boiler not registered. register boiler and correct all violating conditions and submit certificate of correction.
Aug 29, 2016 · Penalty $500
Active - Non-hazardous
02l10/03l10/51u15. 02 repair. 30 repair car communication. 51 tag for reshackle.
Mar 16, 2005 · Penalty $350
Resolve - Non-hazardous
2l11,11q3,13m12,22d6,33p17,35p17,46u13,48u13,30o2,57o2. -30o2 too muchlint
Sep 30, 1998
Resolve - Non-hazardous
73o,30i,36t,50y,17r,74m,33m. 30 hole basmt left of room. 17 with glass74 floor numbers. 33 ladder.
Jun 28, 1995 · Penalty $200
Resolve - Non-hazardous
17m;17m; 17.(main floor door glass) 17.inner door provide, vison guard.
Dec 18, 1981
Resolve
Complaints
- Outside building
Porch/balcony
Apr 23, 2024 · Apt OUTSID
Close - Plumbing
Bathtub/shower
Aug 24, 2015 · Apt 41
Close - Flooring/stairs
Floor
Aug 24, 2015 · Apt 41
Close - Paint/plaster
Ceiling
Aug 24, 2015 · Apt 41
Close - Paint/plaster
Wall
Aug 24, 2015 · Apt 41
Close - Door/window
Door
Aug 24, 2015 · Apt 41
Close - Plumbing
Toilet
Aug 24, 2015 · Apt 41
Close - Plumbing
Toilet
Aug 24, 2015 · Apt 41
Close - Electric
Bell-buzzer/intercom
Nov 12, 2013 · Apt 62B
Close - Nonconst
Vermin
Jul 16, 2013 · Apt 62B
Close
Show 7 more ↓
- Nonconst
Vermin
Jul 16, 2013 · Apt 62B
Close - Nonconst
Vermin
Jul 16, 2013 · Apt 62B
Close - Paint/plaster
Wall
Jul 3, 2013 · Apt 62B
Close - Paint/plaster
Wall
Jul 3, 2013 · Apt 62B
Close - General
Ceramic-tile
Jul 3, 2013 · Apt 62B
Close - Electric
Bell-buzzer/intercom
Jul 3, 2013 · Apt 62B
Close - Appliance
Sprinker cert
Jul 26, 2004
Close
Sales history
No recorded sales in our data
Building details
- Building type
- Elevator apartment building (D1)
- Year built
- 1910
- Floors
- 6
- Residential units
- 30
- Building area
- 30,498 ft²
- Lot area
- 7,194 ft²
- Zoning
- R8
- Community board
- 109
- Council district
- 7
- Block / lot
- 1976 / 26
- Assessed value
- $2,557,350
- Landmark / historic district
- No
HPD registration #124452, last renewed Nov 1, 2025.
Questions about 503 West 121 Street
Who owns 503 West 121 Street?
The owner of record in NYC Department of City Planning PLUTO data is Trustees Of Columbia University.
Does 503 West 121 Street have violations?
Yes. NYC HPD has recorded 9 housing violations at this property.
Is 503 West 121 Street rent stabilized?
No rent-stabilized units appear in its 2018–2024 tax bills. Individual apartments can still be regulated, so request the rent history from NYS Homes and Community Renewal if unsure.
When was 503 West 121 Street built?
City records list 1910 as the year it was built.
How many apartments are in 503 West 121 Street?
It has 30 residential units.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.