523 West 121 Street
Manhattan, NY 10027BBL 1-01976-0013Map
Owner of record: Spencer Apt INC
523 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 Spencer Apt INC. HPD has recorded 15 housing violations here, most recently on April 29, 2026. 2 of the 15 most recent violations are still open.
- HPD violations
- 15
- DOB violations
- 14
- ECB violations
- 4
- HPD complaints
- 1
What to know
Immediately hazardous issues among recent violations are still open.
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 · 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 29, 2026
Open — Nov sent out - 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.
Mar 16, 2023
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.
Feb 16, 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 - CImmediately hazardous
Post notice, in form approved by the department, stating the name and location of the person designated by the owner to have key to buildings heating system missing at public hall, 1st story
Sep 26, 2018
Closed — Violation dismissed - CImmediately hazardous
D26-17.10 adm code post notice, in form approved by the department, stating the name and location of the person designated by the owner to have key to building's heating system 1st sty public hall near mailboxes and door toboiler room.
Dec 3, 1987
Open — False certification - BHazardous
D26-11.01, 11.03, 11.05 adm code remove the accumulation of refuse and/or rubbish and maintain in a clean condition the fire passageways.
Dec 3, 1987
Closed — Violation dismissed - BHazardous
D26-10.01, 10.05 adm code fire egress defective. restore egress by removing locking device and arrange to open readily the gate in fence at lot line front.
Dec 3, 1987
Closed — Violation dismissed - BHazardous
D26-10.01 adm code properly repair the broken or defective paving court yard front.
Dec 3, 1987
Closed — Violation dismissed - BHazardous
D26-10.01 adm code properly repair with similar material the broken or defective concrete retaining wall at front fire passageway.
Dec 3, 1987
Closed — Violation dismissed
Show 5 more ↓
- BHazardous
§ 12 m/d law discontinue the storage of combustible material consisting wood doors southeast basement.
Dec 3, 1987
Closed — Violation dismissed - BHazardous
D26-10.01, 10.05 adm code arrange and make self-closing the doors entrance basement apt 1b. , section '' ''
Dec 3, 1987 · Apt 1B
Closed — Violation dismissed - BHazardous
D26-10.01, 10.05 adm code fire egress defective. remove the obstruction in fireproof passageway rear east and rear west fire passageways.
Dec 3, 1987
Closed — Violation dismissed - BHazardous
D26-10.01 adm code properly repair the broken or defective paving east court and front east fire passageway.
Dec 3, 1987
Closed — Violation dismissed - ANon-hazardous
§ 53, 187, 231 m/d law and department rules and regulations. provide a shoe properly secured to bottom of string of dropladder rear fire escape.
Dec 3, 1987
Closed — Violation dismissed
DOB building violations · 14
- Elevator elevatorrequired
E-elevator elevatorrequired
Nov 14, 2019
Dob violation - resolved - Elevator affirmation of correction elevatorrequired
Vio issued to elevator - fail to correct defects on 2014 cat 1 insp/tst
Nov 14, 2016
Dob violation - active - Elevator annual inspection / test elevatorrequired
Violation issued to elevator-failure to file category 1 2013 inspection/test
Oct 31, 2014
Dob violation - dismissed - Elevator annual inspection / test elevatorrequired
Violation issued to elevator-failure to file category 1 2012 inspection/test
Mar 31, 2014
Dob violation - dismissed - Elevator elevatorrequired
E-elevator elevatorrequired
Sep 20, 2013
Dob violation - resolved - Elevator elevatorrequired
E-elevator elevatorrequired
Aug 15, 2012
Dob violation - active - Elevator elevatorrequired
E-elevator elevatorrequired
Jan 20, 2011
Dob violation - resolved - Elevator elevatorrequired
E-elevator elevatorrequired
Apr 16, 2010
Dob violation - resolved - Elevator elevatorrequired
E-elevator elevatorrequired
Jun 16, 2008
Dob violation - resolved - Elevator elevatorrequired
E-elevator elevatorrequired
Mar 15, 2005
Dob violation - resolved
Show 4 more ↓
- Elevator elevatoroptional
Ll1081-local law 10/81 - elevator elevatoroptional
Jan 13, 1997
Dob violation - active - Elevator elevatoroptional
Ll1081-local law 10/81 - elevator elevatoroptional
Jan 13, 1997
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Sep 1, 1994
Dob violation - dismissed - Elevator elevatorrequired
31 remove wiring in shaft an motor room 15 properly seal hoistway swing doors or provide interlock 35 provide steps to overhead 35 replace miswsing grating in overhead
Nov 7, 1990
Dob violation - resolved
ECB violations · 4
- Class - 2
Failure to maintain bldg walls or appurtenances.noted:at rear of premises, parapet wall, exposure 3,north elevation of bldg,parapet is in disrepair, eroded mortar joints and loose bricks.rem:maintain exterior b
Nov 1, 2017
Resolve - Non-hazardous
22l 15m 15m07 numbers inside hoistway
Sep 30, 1998 · Penalty $180
Resolve - Non-hazardous
2m,50y,50f,35r,3m,33x,33o,49k,30p,30q,48t,35o.35-allwiring not used for elev 3-capacity plate 33light 30 as per code 30 window.
Jun 28, 1995 · Penalty $200
Resolve - Non-hazardous
15l; 15. main fl. door.
Dec 18, 1991 · Penalty $150
Resolve
Complaints
- Heating
Heat related
Nov 8, 2006 · Apt 24
Close
Sales history
No recorded sales in our data
Building details
- Building type
- Elevator apartment building (D4)
- 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 / 13
- Assessed value
- $1,873,350
- Landmark / historic district
- No
HPD registration #108069, last renewed Sep 9, 2025.
Questions about 523 West 121 Street
Who owns 523 West 121 Street?
The owner of record in NYC Department of City Planning PLUTO data is Spencer Apt INC.
Does 523 West 121 Street have violations?
Yes. NYC HPD has recorded 15 housing violations at this property.
Is 523 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 523 West 121 Street built?
City records list 1926 as the year it was built.
How many apartments are in 523 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.