21 Union Square

Manhattan, NY 10003BBL 1-00843-0022Map

21 Union Square is a hotel built in 1986 in Manhattan, 10003. The owner of record is NY University. HPD has recorded 6 housing violations here, most recently on March 15, 2023.

HPD violations: 6
DOB violations: 121
ECB violations: 18
HPD complaints: 11

What to know

Good

No open Class C

No open immediately-hazardous violations among recent records.

Good

Last violation Mar 15, 2023

Date of the most recent HPD inspection that found a problem.

Good

No unpaid ECB fines

No balance due on recent ECB violations.

Rent stabilization

No rent-stabilized units in 2018–2024 tax bills

Some apartments can still be regulated. Use the rent-stabilized checker or request the rent history from HCR.

Violations

Most recent first. Showing up to 50 per agency.

HPD housing violations · 6

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 15, 2022
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.
Feb 15, 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 24, 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.
Feb 2, 2015
Closed — Violation dismissed

DOB building violations · 121

Fail to certify class 1 none
Failure to certify correction on immediately hazardous (class 1) ecb violation
Aug 7, 2024
Dob violation - dismissed
Construction other optional
Emergency work order due to a severely cracked section of concrete eye brow between the 1st and 2nd floor of exp1 north elev.cracked section of concrete eyebrow appears loose and in danger of falling down.remedy immediately provide safety measures to secure and protect the public.m ake repairs under supervision of a lic professional
Jun 5, 2024
Dob violation - dismissed
Fail to certify class 1 none
Failure to certify correction on immediately hazardous (class 1) ecb violation
Apr 17, 2024
Dob violation - dismissed
No report and / or late filing (facade) facade required
Failed to file fisp cycle 9c technical report by 2/21/2024
Feb 22, 2024
Dob violation - dismissed
Elevator elevatorrequired
E-elevator elevatorrequired
Jul 22, 2019
Dob violation - resolved
Elevator elevatorrequired
E-elevator elevatorrequired
Jul 22, 2019
Dob violation - resolved
Elevator elevatorrequired
E-elevator elevatorrequired
Jul 22, 2019
Dob violation - resolved
Elevator elevatorrequired
E-elevator elevatorrequired
Jul 18, 2019
Dob violation - resolved
Elevator elevatorrequired
E-elevator elevatorrequired
Jul 18, 2019
Dob violation - resolved
Elevator elevatorrequired
E-elevator elevatorrequired
Jul 18, 2019
Dob violation - resolved

Show 40 more ↓

Elevator elevatorrequired
E-elevator elevatorrequired
Jul 18, 2019
Dob violation - resolved
Elevator elevatorrequired
E-elevator elevatorrequired
Jul 18, 2019
Dob violation - resolved
Elevator elevatorrequired
E-elevator elevatorrequired
Jul 18, 2019
Dob violation - resolved
Facade safety program facade required
Fisp-facade safety program facade required
Apr 30, 2019
Dob violation - dismissed
Fail to certify class 1 none
Failure to certify correction on immediately hazardous (class 1) ecb violation
Mar 6, 2019
Dob violation - dismissed
Elevator affirmation of correction elevatorrequired
Vio issued to elevator - fail to correct defects on 2016 cat 1 insp/tst
Jan 26, 2018
Dob violation - dismissed
Elevator affirmation of correction elevatorrequired
Vio issued to elevator - fail to correct defects on 2016 cat 1 insp/tst
Jan 26, 2018
Dob violation - dismissed
Elevator affirmation of correction elevatorrequired
Vio issued to elevator - fail to correct defects on 2016 cat 1 insp/tst
Jan 26, 2018
Dob violation - dismissed
Elevator affirmation of correction elevatorrequired
Vio issued to elevator - fail to correct defects on 2016 cat 1 insp/tst
Jan 26, 2018
Dob violation - dismissed
Elevator affirmation of correction elevatorrequired
Vio issued to elevator - fail to correct defects on 2016 cat 1 insp/tst
Jan 26, 2018
Dob violation - dismissed
Elevator affirmation of correction elevatorrequired
Vio issued to elevator - fail to correct defects on 2016 cat 1 insp/tst
Jan 26, 2018
Dob violation - dismissed
Elevator affirmation of correction elevatorrequired
Vio issued to elevator - fail to correct defects on 2016 cat 1 insp/tst
Jan 26, 2018
Dob violation - dismissed
Elevator affirmation of correction elevatorrequired
Vio issued to elevator - fail to correct defects on 2016 cat 1 insp/tst
Jan 26, 2018
Dob violation - dismissed
Elevator annual inspection / test elevatorrequired
Violation issued to elevator-failure to file category 1 2016 inspection/test
Sep 15, 2017
Dob violation - dismissed
Elevator elevatorrequired
E-elevator elevatorrequired
Jul 31, 2017
Dob violation - resolved
Elevator elevatorrequired
E-elevator elevatorrequired
Jul 31, 2017
Dob violation - resolved
Elevator elevatorrequired
E-elevator elevatorrequired
Jul 31, 2017
Dob violation - resolved
Elevator elevatorrequired
E-elevator elevatorrequired
Jul 31, 2017
Dob violation - resolved
Elevator elevatorrequired
E-elevator elevatorrequired
Jul 31, 2017
Dob violation - resolved
Elevator elevatorrequired
E-elevator elevatorrequired
Jul 31, 2017
Dob violation - resolved
Elevator elevatorrequired
E-elevator elevatorrequired
Jul 31, 2017
Dob violation - resolved
Elevator elevatorrequired
E-elevator elevatorrequired
Jul 31, 2017
Dob violation - resolved
Elevator elevatorrequired
E-elevator elevatorrequired
Jul 31, 2017
Dob violation - resolved
Elevator affirmation of correction elevatorrequired
Vio issued to elevator - fail to correct defects on 2015 cat 1 insp/tst
Jan 3, 2017
Dob violation - dismissed
Elevator affirmation of correction elevatorrequired
Vio issued to elevator - fail to correct defects on 2015 cat 1 insp/tst
Jan 3, 2017
Dob violation - dismissed
Elevator affirmation of correction elevatorrequired
Vio issued to elevator - fail to correct defects on 2015 cat 1 insp/tst
Jan 3, 2017
Dob violation - dismissed
Elevator affirmation of correction elevatorrequired
Vio issued to elevator - fail to correct defects on 2015 cat 1 insp/tst
Jan 3, 2017
Dob violation - dismissed
Elevator affirmation of correction elevatorrequired
Vio issued to elevator - fail to correct defects on 2015 cat 1 insp/tst
Jan 3, 2017
Dob violation - dismissed
Elevator affirmation of correction elevatorrequired
Vio issued to elevator - fail to correct defects on 2015 cat 1 insp/tst
Jan 3, 2017
Dob violation - dismissed
Elevator affirmation of correction elevatorrequired
Vio issued to elevator - fail to correct defects on 2015 cat 1 insp/tst
Jan 3, 2017
Dob violation - dismissed
Elevator affirmation of correction elevatorrequired
Vio issued to elevator - fail to correct defects on 2015 cat 1 insp/tst
Jan 3, 2017
Dob violation - dismissed
Elevator affirmation of correction elevatorrequired
Vio issued to elevator - fail to correct defects on 2014 cat 1 insp/tst
Nov 14, 2016
Dob violation - dismissed
Elevator affirmation of correction elevatorrequired
Vio issued to elevator - fail to correct defects on 2014 cat 1 insp/tst
Nov 14, 2016
Dob violation - dismissed
Elevator affirmation of correction elevatorrequired
Vio issued to elevator - fail to correct defects on 2014 cat 1 insp/tst
Nov 14, 2016
Dob violation - dismissed
Elevator affirmation of correction elevatorrequired
Vio issued to elevator - fail to correct defects on 2014 cat 1 insp/tst
Nov 14, 2016
Dob violation - dismissed
Elevator affirmation of correction elevatorrequired
Vio issued to elevator - fail to correct defects on 2014 cat 1 insp/tst
Nov 14, 2016
Dob violation - dismissed
Elevator affirmation of correction elevatorrequired
Vio issued to elevator - fail to correct defects on 2014 cat 1 insp/tst
Nov 14, 2016
Dob violation - dismissed
Elevator affirmation of correction elevatorrequired
Vio issued to elevator - fail to correct defects on 2014 cat 1 insp/tst
Nov 14, 2016
Dob violation - dismissed
Elevator elevatorrequired
E-elevator elevatorrequired
Jun 30, 2016
Dob violation - resolved
Elevator elevatorrequired
E-elevator elevatorrequired
Jun 30, 2016
Dob violation - resolved

ECB violations · 18

Class - 1
Failure to comply with commissioner's order. unlawful acts. at time ofinspection it was observed that conditions noted on summon #35685190m were not corrected. (2)condition at exposure 1(north elevation) referi
Jul 30, 2024 · Penalty $2,500
Resolve
Class - 1
Failure to maintain exterior walls and/or appurtenances.-at time of inspection observed a cracked concrete eyebrow between the 1st and 2nd floor of expoure 1(north elevation) cracked section of concrete eyebrow
Jun 5, 2024 · Penalty $2,530
Resolve
Class - 1
Failure to maintain parking structure in safe condition.note:at time of inspectoin on active parking structure consisting of 1 level (cellar) below 12 fl building observed spalling concrete/exposed re-bar on to
Jan 11, 2024 · Penalty $2,500
Resolve
Class - 2
Failure to comply with commissioner's order contained in summons/violation#35368715r issued on 12/14/2018,and to file a certificate of correction pursuant to 28.201.1 and 1rcny 102-01(d)(2).rem:file a certifica
Jun 29, 2020 · Penalty $1,250
Resolve
Class - 1
Failure to maintain building exteriro walls/facades & appurtenances.exp#2,south elevation:spalling concrete with exposed rebar @ balcony deck (front,top&below),4 sty west balconies.spalling @ balcony deck(front
Dec 14, 2018 · Penalty $2,500
Resolve
Class - 2
2x10 alarm bell inoperative on stop switch and button
Oct 25, 2018 · Penalty $312
Resolve
Class - 2
Failure to provide approved accepted plan at site at time of inspection. no approved accepted plan available at site at time of inspection for job#122380633. remedy: provide approved plan.
Feb 9, 2016
Resolve
Class - 2
Failed to install sign/panel on sidewalk shed.permit:#140200299.pictures filed.rem:comply w/ dob code req.
Jun 11, 2014
Resolve
Class - 1
Cu01l10,02l10,67l10 14j01,59o02,61j01,69j01,69b11,52o02,53o02,12q03 cease use items 01,02,67l-inaudible phone & alarm systemx*14j-align mirror for full & proper view of cab 59o-clean brakes 61j-main line not
Mar 14, 2011 · Penalty $1,000
Resolve
Class - 2
56y13,59y02,69b11,52o02,53o02,05x10 56,59 seal leaks-clean drum 69b-wrong code year 52,53o clean for proper inspection 05x-door zone restrictor.
Mar 14, 2011 · Penalty $500
Resolve

Show 8 more ↓

Class - 2
Failure to file an architect/engineer report certifying exit/directional signs are connected to emergency power source/storage battery equipment.rem:file artichect/engineer report
Jan 27, 2010
Resolve
Class - 2
Failure to file an architect/engineer report certifying exit/directional signs are connected to emergency power source/storage battery equipment. remedy: file architect/engineer report.
Jan 27, 2010
Resolve
Class - 2
Failure to file an architect/engineer report certifying exit/directional signs are connected to emergency power source/storage battery equipment. remedy: file architect/engineer report.
Jan 27, 2010
Resolve
Class - 2
Failure to file an architect/engineer report certifying exit/directional signs are connected to emergency power source/storage battery equipment. remedy: file architect/engineer report.
Jan 27, 2010
Resolve
Class - 1
Wore rope used to make an eye is required to have a thimble. noted; missing thimbles on c-hooks tiebacks. rem: comply with code.
Jun 10, 2009 · Penalty $1,600
Resolve
Class - 1
Provision of law bc3314.6.3 lifelines, tiebacks shall each be attached to a different point. noted; 2 lifelines and 1 tieback attached to 1 wire rope double loop. rem: comply with code. make site safe.
Jun 10, 2009 · Penalty $1,600
Resolve
Unknown
37g,46l,39j,60j,73#.37-repair jumped fuse 46-renew hoist ropes 39-reroove traction sheive 60-provide propre counter weight clearence 73-perform 5year test properly tag device and file elev #3 form
Feb 1, 1996
Resolve
Unknown
37g,46l,39j,60j,73#.37-repair jumped fuse 46-renew hoist ropes 39-regroove traction sheeave 60-provide proper cut clearence 73-perform 5year test properly the device and file elv #3 form
Feb 1, 1996
Resolve

Complaints

Heat/hot water
Apartment only
Feb 16, 2025 · Apt C35FB
Close
Heat/hot water
Apartment only
Jan 22, 2025 · Apt C3003G
Close
Unsanitary condition
Mold
Jul 26, 2022 · Apt C311C
Close
Heat/hot water
Entire building
Apr 27, 2022 · Apt BLDG
Close
Heat/hot water
Entire building
Apr 27, 2022 · Apt BLDG
Close
Electric
Power outage
Oct 6, 2014 · Apt 5E
Close
Paint/plaster
Wall
Apr 25, 2011 · Apt 5E
Close
Heating
Heat related
Feb 8, 2011 · Apt 5E
Close
Heating
Heat related
Jan 26, 2009 · Apt 5E
Close
Electric
Electric-supply
Dec 16, 2008 · Apt 5E
Close

Show 1 more ↓

Nonconst
Vermin
Jul 25, 2008 · Apt C312E
Close

Sales history

No recorded sales in our data

Sales come from the NYC Department of Finance rolling sales file.

Building details

Building type: Hotel (H8)
Year built: 1986
Floors: 12
Residential units: —
Building area: 238,204 ft²
Lot area: 28,125 ft²
Zoning: C6-2A
Community board: 105
Council district: 2
Block / lot: 843 / 22
Assessed value: $27,446,850
Landmark / historic district: No

HPD registration #140558, last renewed Oct 16, 2025.

Questions about 21 Union Square

Who owns 21 Union Square?

The owner of record in NYC Department of City Planning PLUTO data is NY University.

Does 21 Union Square have violations?

Yes. NYC HPD has recorded 6 housing violations at this property.

Is 21 Union Square 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 21 Union Square built?

City records list 1986 as the year it was built.

Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.