527 West 121 Street
Manhattan, NY 10027BBL 1-01976-0010Map
Owner of record: Trustees Of Columbia University
527 West 121 Street is an elevator apartment building built in 1926 in Manhattan, 10027. It has 24 residential units across 6 floors. The owner of record is Trustees Of Columbia University. HPD has recorded 15 housing violations here, most recently on April 1, 2024. 12 of the 15 most recent violations are still open. City tax records listed 21 rent-stabilized apartments here in 2024.
- HPD violations
- 15
- DOB violations
- 19
- ECB violations
- 8
- HPD complaints
- 9
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
Counts come from owners' rent-stabilization filings shown on NYC Department of Finance tax bills, as extracted by JustFix. They tell you a building has stabilized apartments, not which ones.
Think your apartment is stabilized? Request its rent history from HCR (free), then check your renewal with the renewal calculator.
Violations
Most recent first. Showing up to 50 per agency.
HPD housing violations · 15
- 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 - 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 - 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.
Apr 2, 2021
Closed — Violation dismissed - BHazardous
Repair the broken or defective plastered surfaces and paint in a uniform color at ceiling in the foyer located at apt 63, 6th story, 1st apartment from east at south
Oct 11, 2017 · Apt 63
Open — Certification postponment denied - BHazardous
Repair the broken or defective plastered surfaces and paint in a uniform color the ceilings and all walls through out in the entire apartment located at apt 63, 6th story, 1st apartment from east at south
Oct 11, 2017 · Apt 63
Open — Certification postponment denied - BHazardous
Properly repair the broken or defective glass pane in lower window sash in the 3rd room from east at south located at apt 63, 6th story, 1st apartment from east at south
Oct 11, 2017 · Apt 63
Open — Certification postponment denied - BHazardous
Properly repair with similar material the broken or defective vinyl floor tiles in the kitchen located at apt 63, 6th story
Oct 11, 2017 · Apt 63
Open — Certification postponment denied - BHazardous
Abate the nuisance consisting of vermin roaches thru out 2 sty northeast apt 21 , section '' ''
Jan 5, 1998 · Apt 21
Open — False certification - BHazardous
D26-10.01, 10.05 adm code arrange and make self-closing the doors entrance 5th sty southwest apt 54. , section '' ''
Apr 4, 1991 · Apt 54
Open — Nov certified late - BHazardous
D26-10.01, 10.05 adm code arrange and make self-closing the doors entrance 2nd sty northeast apt 21. located at apt 21
Apr 4, 1991 · Apt 21
Open — Nov certified late
Show 5 more ↓
- ANon-hazardous
D26-10.01 adm code properly repair with similar material the broken or defective concrete ceiling at southeast fire passageway yard.
Mar 28, 1991
Open — Not complied with - BHazardous
D26-10.01, 10.05 adm code arrange and make self-closing the doors entrance to 6th sty northeast apt 61. located at apt 61
Mar 28, 1991 · Apt 61
Open — Nov certified late - BHazardous
Properly secure the loose glass upper sash 6 sty public hall stairs.
Mar 28, 1991
Open — Nov sent out - ANon-hazardous
Replace with new the broken or defective marble door saddle 5 sty rear west apt 53 entrance. located at apt 53
Mar 28, 1991 · Apt 53
Open — Nov sent out - ANon-hazardous
Replace with new the missing bx box cover ceiling cellar public hall front.
Mar 28, 1991
Open — Nov sent out
DOB building violations · 19
- Low pressure boiler boiler required
Violation issued-failure to file 2018 external low pressure inspection
Jun 20, 2023
Dob violation - active - Low pressure boiler boiler required
Violation issued-failure to file 2019 external low pressure inspection
Jun 20, 2023
Dob violation - active - 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 - dismissed - Elevator elevatorrequired
E-elevator elevatorrequired
Nov 14, 2019
Dob violation - resolved - Low pressure boiler boiler required
Violation issued for failure to file annual boiler 2017 inspection report
Nov 8, 2019
Dob violation - active - 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 - dismissed - 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 - dismissed - Low pressure boiler boiler required
Violation issued for failure to file annual boiler 2016 inspection report
Apr 6, 2018
Dob violation - dismissed - Fail to certify class 1 none
Failure to certify correction on immediately hazardous (class 1) ecb violation
Nov 30, 2016
Dob violation - dismissed - Elevator elevatorrequired
E-elevator elevatorrequired
Nov 18, 2014
Dob violation - resolved
Show 9 more ↓
- Elevator elevatorrequired
E-elevator elevatorrequired
Apr 16, 2010
Dob violation - resolved - Elevator elevatorrequired
E-elevator elevatorrequired
Jun 16, 2008
Dob violation - resolved - Elevator elevatoroptional
Ll1081-local law 10/81 - elevator elevatoroptional
Apr 2, 2007
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Jan 19, 2007
Dob violation - dismissed - Elevator elevatorrequired
E-elevator elevatorrequired
Jan 18, 2007
Dob violation - resolved - Elevator elevatorrequired
E-elevator elevatorrequired
Nov 21, 2005
Dob violation - resolved - Elevator elevatorrequired
E-elevator elevatorrequired
Nov 4, 2004
Dob violation - resolved - Elevator elevatorrequired
E-elevator elevatorrequired
Jul 15, 2003
Dob violation - resolved - Elevator elevatorrequired
1p9746
Jan 8, 2002
Dob violation - resolved
ECB violations · 8
- Class - 2
Class 2 inoperative phone, repair and connect service to an operator. braille tags missing, provide required signage.
Aug 19, 2025
Resolve - 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#912726.remedy:submit acceptable require
Dec 9, 2022 · Penalty $3,125
Resolve - Class - 1
B154,28b,51. found tubes leaking on federal fst 40 boiler.sealed boiler. do not operate boiler until all hazardous conditions are immediately corrected and dob is notified to reinspect to life the cease use
Aug 29, 2016 · Penalty $1,000
Resolve - Class - 1
Work w/o a permit. witnessed in cellar laundry room, 3 gas dryers & associated gas piping installed w/o a permit. and is a hazardous location and condition to the bldg. remedy: obtain permit or restore premises
Apr 28, 2010 · Penalty $1,600
Resolve - Class - 1
Failure to have new or altered plumbing system tested. in cellar i witnessed 3 new gas dryers and associated gas piping installed. permits to do this work were never issued therefore all appropriate inspection
Apr 28, 2010 · Penalty $1,000
Resolve - Class - 1
Work w/o a permit. in cellar, domestic water, waste and vent for washing machines and 3 sprinkler heads of the domestic water system were installed in the laundry room. all work done was w/o a permit. this
Apr 28, 2010 · Penalty $1,600
Resolve - Non-hazardous
08v 22d 30o 37g 57o 30i 30i11 pit area behind elevator
Sep 30, 1998
Resolve - Non-hazardous
75u,46t,48t,49k,33w,33x,73o. 33 light.
Jun 28, 1995 · Penalty $200
Resolve
Complaints
- Outside building
Porch/balcony
Apr 23, 2024 · Apt OUTSID
Close - Paint/plaster
Ceiling
Oct 10, 2017 · Apt 63
Close - Flooring/stairs
Floor
Oct 10, 2017 · Apt 63
Close - Appliance
Refrigerator
Oct 10, 2017 · Apt 63
Close - Plumbing
Basin/sink
Oct 10, 2017 · Apt 63
Close - Paint/plaster
Wall
Oct 10, 2017 · Apt 63
Close - Door/window
Window pane
Oct 10, 2017 · Apt 63
Close - Heating
Heat related
Nov 24, 2010 · Apt 41
Close - Heating
Heat related
Mar 21, 2008 · Apt 33
Close
Sales history
No recorded sales in our data
Building details
- Building type
- Elevator apartment building (D1)
- Year built
- 1926
- Floors
- 6
- Residential units
- 24
- Building area
- 28,668 ft²
- Lot area
- 6,728 ft²
- Zoning
- R8
- Community board
- 109
- Council district
- 7
- Block / lot
- 1976 / 10
- Assessed value
- $1,124,550
- Landmark / historic district
- No
HPD registration #118771, last renewed Oct 23, 2025.
Questions about 527 West 121 Street
Who owns 527 West 121 Street?
The owner of record in NYC Department of City Planning PLUTO data is Trustees Of Columbia University.
Does 527 West 121 Street have violations?
Yes. NYC HPD has recorded 15 housing violations at this property.
Is 527 West 121 Street rent stabilized?
NYC Department of Finance tax bills listed 21 rent-stabilized units here in 2024 (about 88% of its 24 apartments). To confirm a specific apartment, request its rent history from NYS Homes and Community Renewal.
When was 527 West 121 Street built?
City records list 1926 as the year it was built.
How many apartments are in 527 West 121 Street?
It has 24 residential units.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.