21 Washington Square N
Manhattan, NY 10011BBL 1-00551-0010Map
Owner of record: New York University
21 Washington Square N is a walk-up apartment building built in 1900 in Manhattan, 10011. It has 7 residential units across 3.5 floors. The owner of record is New York University. HPD has recorded 5 housing violations here, most recently on March 15, 2023. City tax records listed 2 rent-stabilized apartments here in 2024.
- HPD violations
- 5
- DOB violations
- 4
- ECB violations
- 3
- HPD complaints
- 1
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 · 5
- 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 15, 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 1, 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.
Oct 26, 2016
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.
Oct 1, 2015
Closed — Violation dismissed
DOB building violations · 4
- Low pressure boiler boiler required
Violation issued-failure to file 2024 external low pressure inspection
Nov 14, 2025
Dob violation - active - Fail to certify class 1 none
Failure to certify correction on immediately hazardous (class 1) ecb violation
Feb 10, 2016
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Feb 10, 1997
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Sep 1, 1994
Dob violation - dismissed
ECB violations · 3
- Class - 2
Flame rods dirty/blr room light defect/chimney base 1/2 full/loose cement@flue/front jacket not in place/old oil tank not legally abandoned/sprinkler pipe leak/no ventilation at gas meter/hwh safety not piped d
Nov 1, 2021 · Penalty $625
Active - Class - 1
Failure to comply w/the comm's order contained in nov #35154338r issued on 11/20/15 & to file a c of c pursuant to 28-201.1,28-204.4 & 1rcny102-01. work w/o a permit. erected extension at rear of roof.
Jan 11, 2016
Resolve - Class - 1
Work w/o a permit. work noted: having erected full height partitions &roof at 1st fl rear yard(horizontal extentional)to create kitchen & dining area w/plumbing work,gas line & electrical work. all work done
Nov 20, 2015
Resolve
Complaints
- Appliance
Sprinker cert
Jul 26, 2004
Close
Sales history
No recorded sales in our data
Building details
- Building type
- Walk-up apartment building (C1)
- Year built
- 1900
- Floors
- 3.5
- Residential units
- 7
- Building area
- 7,785 ft²
- Lot area
- 3,440 ft²
- Zoning
- R6
- Community board
- 102
- Council district
- 2
- Block / lot
- 551 / 10
- Assessed value
- $3,295,800
- Landmark / historic district
- Greenwich Village Historic District
HPD registration #103704, last renewed Oct 17, 2025.
Questions about 21 Washington Square N
Who owns 21 Washington Square N?
The owner of record in NYC Department of City Planning PLUTO data is New York University.
Does 21 Washington Square N have violations?
Yes. NYC HPD has recorded 5 housing violations at this property.
Is 21 Washington Square N rent stabilized?
NYC Department of Finance tax bills listed 2 rent-stabilized units here in 2024 (about 29% of its 7 apartments). To confirm a specific apartment, request its rent history from NYS Homes and Community Renewal.
When was 21 Washington Square N built?
City records list 1900 as the year it was built.
How many apartments are in 21 Washington Square N?
It has 7 residential units.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.