# 21 Union Square, Manhattan, NY 10003

BBL 1008430022 · Block 843 · Lot 22 · BIN 1087304, 1078700, 1087303  
Canonical page: https://nycpropertyfacts.com/ny/manhattan/21-union-square-1008430022  
Last updated: 2026-11-02 · Open-item counts as of 2026-10-31

Also recorded as: 20 E 16 St; 25 Union Sq W; 21 E 15 St; 21 E 15 Stree; 25 Union Sq; 20 E 16

## Summary

21 Union Square (Manhattan, NY 10003; tax lot BBL 1008430022) is a hotel (building class H8: hotel (subtype H8)), built around 1986, on a 28,125 sq ft lot zoned C6-2A. City tax records list the owner as NY UNIVERSITY. The Department of Finance's final market value for tax year 2027 is $60,993,000. As of October 31, 2026, NYC Open Data shows 25 DOB jobs with a permit issued but no sign-off and 21 OATH tickets with an unpaid balance. There were 24 311 requests in the past 12 months and four HPD complaints since 2019. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)

How to cite: NYC Property Facts, “21 Union Square, Manhattan, NY 10003 (BBL 1008430022)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/manhattan/21-union-square-1008430022. Source: NYC Open Data.

## Open items

| Item | Count |
|---|---|
| Open DOB jobs (permit issued, not signed off) | 25 |
| Active DOB violations | 0 |
| Active ECB violations | 0 |
| Open HPD violations | 0 |
| OATH tickets with unpaid balance | 21 |

## Lot & building

- Owner of record: NY UNIVERSITY
- Building class: H8 – Hotel (subtype H8)
- Year built: 1986
- Floors: 12
- Units: 0 residential / 4 total
- Lot area: 28,125 sq ft · Building area: 238,204 sq ft
- Zoning: C6-2A, C6-4, US
- Source: PLUTO (Dept. of City Planning) (https://data.cityofnewyork.us/d/64uk-42ks), data as of 2026-11-02

## Tax assessment

- Tax year 2027 (final roll): market value $60,993,000, assessed value $27,446,850, tax class 4
- Source: DOF Property Valuation and Assessment Data (https://data.cityofnewyork.us/d/8y4t-faws)

## Sales & deeds (ACRIS)

Deeds recorded with the City Register. amount 0 usually means a non-market transfer. lots_in_deed > 1 means the price covers several lots.

| Date | Status | Description | Source |
|---|---|---|---|
| 1989-01-03 | recorded (DEED) | DEED dated 1989-01-03 from UNION SQUARE W ASSOCS to NY UNIVERSITY, no price stated ($0). | bnx9-e6tj |
| 1987-10-14 | recorded (DEED) | DEED dated 1987-10-14 from UNION SQ WEST ASSOCS to NEW YORK UNIVERSITY, no price stated ($0). | bnx9-e6tj |
| 1987-09-17 | recorded (DEED) | DEED dated 1987-09-17 from UNION SQUARE WEST ASSOC to NY UNIVERSITY, no price stated ($0). | bnx9-e6tj |
| 1985-04-16 | recorded (DEED) | DEED dated 1985-04-16 from AMERICAN REFINING CO.INC to UNION SQUARE W. ASSOCS., no price stated ($0). | bnx9-e6tj |

## Open DOB jobs and recent work permits

A DOB "job" is an application to do construction work. status "open" = a permit was issued but DOB has no record of final sign-off. Work permits are listed with type "work_permit" and their DOB permit status (they are not counted as open items).

| Date | Status | Description | Source |
|---|---|---|---|
| 2026-06-16 | open (Permit Entire) | DOB NOW job filing M01417175-I1 (Alteration): Permit Entire — permit issued, no sign-off on record. | w9ak-ipjd |
| 2026-04-27 | open (Permit Entire) | DOB NOW job filing M01390737-I1 (Alteration): Permit Entire — permit issued, no sign-off on record. | w9ak-ipjd |
| 2026-04-27 | open (Permit Entire) | DOB NOW job filing M01390717-I1 (Alteration): Permit Entire — permit issued, no sign-off on record. | w9ak-ipjd |
| 2026-04-23 | open (Permit Entire) | DOB NOW job filing M01391705-I1 (Alteration): Permit Entire — permit issued, no sign-off on record. | w9ak-ipjd |
| 2026-03-24 | open (Permit Entire) | DOB NOW job filing M01353536-S2 (Alteration): Permit Entire — permit issued, no sign-off on record. | w9ak-ipjd |
| 2026-03-24 | open (Permit Entire) | DOB NOW job filing M01353770-S1 (Alteration): Permit Entire — permit issued, no sign-off on record. | w9ak-ipjd |
| 2026-03-24 | open (Permit Entire) | DOB NOW job filing M01353536-S1 (Alteration): Permit Entire — permit issued, no sign-off on record. | w9ak-ipjd |
| 2026-03-24 | open (Permit Entire) | DOB NOW job filing M01353770-S2 (Alteration): Permit Entire — permit issued, no sign-off on record. | w9ak-ipjd |
| 2026-03-20 | open (Permit Entire) | DOB NOW job filing M01353770-I1 (Alteration): Permit Entire — permit issued, no sign-off on record. | w9ak-ipjd |
| 2026-03-20 | open (Permit Entire) | DOB NOW job filing M01353536-I1 (Alteration): Permit Entire — permit issued, no sign-off on record. | w9ak-ipjd |
| 2025-05-29 | open (Permit Entire) | DOB NOW job filing M01205829-S4 (Alteration): Permit Entire — permit issued, no sign-off on record. | w9ak-ipjd |
| 2025-04-24 | open (Permit Entire) | DOB NOW job filing M01205829-S3 (Alteration): Permit Entire — permit issued, no sign-off on record. | w9ak-ipjd |
| 2025-04-24 | open (Permit Entire) | DOB NOW job filing M01205829-S1 (Alteration): Permit Entire — permit issued, no sign-off on record. | w9ak-ipjd |
| 2025-04-23 | open (Permit Entire) | DOB NOW job filing M01205829-I1 (Alteration): Permit Entire — permit issued, no sign-off on record. | w9ak-ipjd |
| 2023-11-16 | open (Permit Entire) | DOB NOW job filing M00963588-I1 (Alteration): Permit Entire — permit issued, no sign-off on record. | w9ak-ipjd |
| 2025-05-14 | open (PERMIT ISSUED - ENTIRE JOB/WORK) | BIS job 141027626 (A3 – Minor alteration (one type of work)): PERMIT ISSUED - ENTIRE JOB/WORK — permit issued, no sign-off on record. INSTALLATION OF A MARQUEE WITH RELATED JOB #M01205829-S4 AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION. | ic3t-wcy2 |
| 2010-04-06 | open (PERMIT ISSUED - ENTIRE JOB/WORK) | BIS job 120312802 (A3 – Minor alteration (one type of work)): PERMIT ISSUED - ENTIRE JOB/WORK — permit issued, no sign-off on record. BUSINESS ACCESSORY AWNING NO CHANGE TO USE, EGRESS OR OCCUPANCY | ic3t-wcy2 |
| 2009-02-05 | open (PERMIT ISSUED - ENTIRE JOB/WORK) | BIS job 110448542 (A2 – Alteration with multiple work types (no change to use/occupancy)): PERMIT ISSUED - ENTIRE JOB/WORK — permit issued, no sign-off on record. APPLICATION FILED FOR AWNING REPLACEMENT AS PER ATTACHED PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY. | ic3t-wcy2 |
| 1996-01-11 | open (PERMIT ISSUED - ENTIRE JOB/WORK) | BIS job 101228100 (A2 – Alteration with multiple work types (no change to use/occupancy)): PERMIT ISSUED - ENTIRE JOB/WORK — permit issued, no sign-off on record. LEGALIZE INSTALLATION OF EXISTING INDIVIDUALLY CODED CLOSED CIRCUIT GENERAL FIRE ALARM SYSTEM AS PER SECTION 27-9729N), AND DESCRIBED UNDER SECTION 27-972(N), AND DESCRIBED UNDER SECTION 27-971(C). T… | ic3t-wcy2 |
| 1991-05-07 | open (PERMIT ISSUED - ENTIRE JOB/WORK) | BIS job 100252842 (A1 – Major alteration (changes use, egress or occupancy)): PERMIT ISSUED - ENTIRE JOB/WORK — permit issued, no sign-off on record. RENOVATION OF FIRST FLOOR TO INCLUDE THE RELOCATION OF DOORS AND PARTIT NS, RELOCATION OF COUNTERS & MAILBOXES, DUCTWORK & PLUMBING. RENOVATION OF CELLAR TO CONVERT EXISTING STORAGE SPACE TO … | ic3t-wcy2 |

Showing 20 of 216. Full list: https://nycpropertyfacts.com/api/v1/property/1008430022/permits

## Open violations (DOB, ECB, HPD)

status "open" = DOB violation category is ACTIVE, ECB violation status is ACTIVE, or HPD violation status is Open.

No records found.

## OATH tickets with unpaid balance or pending

status "open" = balance due > $0 after a decision (cases awaiting a hearing are "pending"). default=true means the respondent did not appear.

| Date | Status | Description | Source |
|---|---|---|---|
| 2026-07-24 | open (DEFAULTED · DEFAULTED) | OATH ticket from Sanitation Others: STORAGE OF RECEPTACLES COM PLACED OUT PRIOR TO 8PM W O A RECEPTACLE. Unpaid balance $80. Respondent defaulted (did not appear). | jz4z-kudi |
| 2026-07-24 | open (DEFAULTED · DEFAULTED) | OATH ticket from Sanitation Others: IMPROPER RECEPTACLE NON-RESIDENTIAL 1ST. Unpaid balance $80. Respondent defaulted (did not appear). | jz4z-kudi |
| 2026-05-26 | open (HEARING COMPLETED · IN VIOLATION) | OATH ticket from Fire Department Of Nyc: FIRE PROTECTION SYSTEMS:FAIL TO PREVENT UNNECESSARY UNWARRANTED ALARMS. Unpaid balance $935. | jz4z-kudi |
| 2026-04-10 | open (DOCKETED · DEFAULTED) | OATH ticket from Sanitation Others: IMPROPER RECEPTACLE NON-RESIDENTIAL 1ST. Unpaid balance $300. Respondent defaulted (did not appear). | jz4z-kudi |
| 2025-12-24 | open (DOCKETED · DEFAULTED) | OATH ticket from Police Department: UNLAWFUL URINATION DEFECATION IN PARK. Unpaid balance $75. Respondent defaulted (did not appear). | jz4z-kudi |
| 2025-12-20 | open (DOCKETED · DEFAULTED) | OATH ticket from Sanitation Others: IMPROPER RECEPTACLE NON-RESIDENTIAL 1ST. Unpaid balance $300. Respondent defaulted (did not appear). | jz4z-kudi |
| 2025-10-22 | open (DOCKETED · DEFAULTED) | OATH ticket from Sanitation Others: IMPROPER RECEPTACLE NON-RESIDENTIAL 1ST. Unpaid balance $300. Respondent defaulted (did not appear). | jz4z-kudi |
| 2025-09-09 | open (DEFAULTED · DEFAULTED) | OATH ticket from Dep - Bureau Of Env. Complianc: DUST ALLOWED TO BECOME AIRBORN 3RD AND SUB. Unpaid balance $2,080. Respondent defaulted (did not appear). | jz4z-kudi |
| 2025-07-22 | open (HEARING COMPLETED · IN VIOLATION) | OATH ticket from Dep - Bureau Of Env. Complianc: IDLING OF MOTOR VEHICLE ENGINE OVER 1MIN WHILE ADJACENT TO SCHOOL 1ST. Unpaid balance $455. | jz4z-kudi |
| 2025-06-24 | open (DEFAULTED · DEFAULTED) | OATH ticket from Dep - Bureau Of Env. Complianc: IDLING OF MOTOR VEHICLE ENGINE OVER 1MIN WHILE ADJACENT TO SCHOOL 2ND. Unpaid balance $1,500. Respondent defaulted (did not appear). | jz4z-kudi |
| 2024-12-05 | open (HEARING COMPLETED · IN VIOLATION) | OATH ticket from Dep - Bureau Of Env. Complianc: IDLING MOTOR VEHICLE ENGIN OVER 1MIN WHILE ADJACENT TO SCHOOL 3RD SUB. Unpaid balance $780. | jz4z-kudi |
| 2024-02-26 | open (DEFAULTED · DEFAULTED) | OATH ticket from Dep - Bureau Of Env. Complianc: IDLING OF MOTOR VEHICLE ENGINE MORE THAN THREE MINUTES 2ND OFF. Unpaid balance $1,950. Respondent defaulted (did not appear). | jz4z-kudi |
| 2023-11-13 | open (DEFAULTED · DEFAULTED) | OATH ticket from Dep - Bureau Of Env. Complianc: IDLING OF MOTOR VEHICLE ENGINE OVER 1MIN WHILE ADJACENT TO SCHOOL 1ST. Unpaid balance $1,300. Respondent defaulted (did not appear). | jz4z-kudi |
| 2023-08-01 | open (DOCKETED · DEFAULTED) | OATH ticket from Dep - Bureau Of Env. Complianc: IDLING OF MOTOR VEHICLE ENGINE MORE THAN THREE MINUTES 2ND OFF. Unpaid balance $1,950. Respondent defaulted (did not appear). | jz4z-kudi |
| 2023-06-28 | open (DOCKETED · DEFAULTED) | OATH ticket from Dep - Bureau Of Env. Complianc: IDLING OF MOTOR VEHICLE ENGINE OVER 1MIN WHILE ADJACENT TO SCHOOL 1ST. Unpaid balance $1,300. Respondent defaulted (did not appear). | jz4z-kudi |
| 2023-04-03 | open (DEFAULTED · DEFAULTED) | OATH ticket from Dep - Bureau Of Env. Complianc: IDLING OF MOTOR VEHICLE ENGINE OVER 1MIN WHILE ADJACENT TO SCHOOL 1ST. Unpaid balance $1,300. Respondent defaulted (did not appear). | jz4z-kudi |
| 2022-06-22 | open (DOCKETED · DEFAULTED) | OATH ticket from Police Department: LITTERING 1ST OFFENSE. Unpaid balance $112. Respondent defaulted (did not appear). | jz4z-kudi |
| 2019-04-10 | open (HEARING COMPLETED · IN VIOLATION) | OATH ticket from Fire Department Of Nyc: INSPECTION AND TESTING. Unpaid balance $600. | jz4z-kudi |
| 2019-04-10 | open (HEARING COMPLETED · IN VIOLATION) | OATH ticket from Fire Department Of Nyc: INSPECTION AND TESTING. Unpaid balance $600. | jz4z-kudi |
| 2018-11-08 | open (DOCKETED · DEFAULTED) | OATH ticket from Sanitation Others: LOOSE RUBBISH. Unpaid balance $300. Respondent defaulted (did not appear). | jz4z-kudi |

Showing 20 of 28. Full list: https://nycpropertyfacts.com/api/v1/property/1008430022/hearings

## Complaints (HPD since 2019, 311 last 12 months)

Complaints are reports, not violations. status mirrors the published complaint / request status.

| Date | Status | Description | Source |
|---|---|---|---|
| 2025-02-16 | closed (CLOSE) | HPD complaint (apt C35FB): Heat/Hot Water – Apartment Only. HPD responded to a complaint of no heat or hot water in the building. An occupant of the building confirmed heat and hot water had been restored when the Inspector attempted to conduct the inspection… | ygpa-z7cr |
| 2025-01-22 | closed (CLOSE) | HPD complaint (apt C3003G): Heat/Hot Water – Apartment Only. HPD called the telephone number on file for this complaint. Someone at that number indicated that the condition was corrected. The complaint has been closed. Please submit a new service request with … | ygpa-z7cr |
| 2022-07-26 | closed (CLOSE) | HPD complaint (apt C311C): Unsanitary Condition – Mold. The Department of Housing Preservation and Development was not able to gain access to inspect the following conditions. The complaint has been closed. If the condition still exists, please file a new… | ygpa-z7cr |
| 2022-04-27 | closed (CLOSE) | HPD complaint (apt BLDG): Heat/Hot Water – Entire Building. The Department of Housing Preservation and Development was not able to gain access to your apartment or others in the building to inspect for a lack of heat or hot water. The complaint has been close… | ygpa-z7cr |
| 2026-10-05 | closed (Closed) | 311 request to DOT: Street Condition – Pothole. | erm2-nwe9 |
| 2026-09-25 | closed (Closed) | 311 request to NYPD: Noise - Residential – Loud Music/Party. | erm2-nwe9 |
| 2026-09-25 | closed (Closed) | 311 request to NYPD: Noise - Residential – Loud Music/Party. | erm2-nwe9 |
| 2026-09-25 | closed (Closed) | 311 request to DSNY: Vendor Enforcement – Food Vendor. | erm2-nwe9 |
| 2026-09-04 | closed (Closed) | 311 request to NYPD: Illegal Parking – Blocked Sidewalk. | erm2-nwe9 |
| 2026-09-03 | closed (Closed) | 311 request to DEP: Noise – Construction. | erm2-nwe9 |
| 2026-08-31 | closed (Closed) | 311 request to DCWP: Consumer Complaint – Bodega, Deli, or Convenience Store. | erm2-nwe9 |
| 2026-08-08 | closed (Closed) | 311 request to NYPD: Illegal Parking – License Plate Obscured. | erm2-nwe9 |
| 2026-08-02 | closed (Closed) | 311 request to NYPD: Noise - Street/Sidewalk – Loud Music/Party. | erm2-nwe9 |
| 2026-08-02 | closed (Closed) | 311 request to NYPD: Noise - Street/Sidewalk – Loud Music/Party. | erm2-nwe9 |
| 2026-07-23 | closed (Closed) | 311 request to NYPD: Noise - Street/Sidewalk – Loud Music/Party. | erm2-nwe9 |

Showing 15 of 28. Full list: https://nycpropertyfacts.com/api/v1/property/1008430022/complaints

## Owners & contacts

Owner of record comes from city tax records (PLUTO) and can lag behind recent sales.

| Date | Status | Description | Source |
|---|---|---|---|
| 2026-08-24 | current | City tax records (PLUTO) list the owner as NY UNIVERSITY. | 64uk-42ks |
| 1989-01-03 | recorded | Grantee (buyer) on the most recent deed (DEED, 1989-01-03). | 636b-3b5g |
| 2026-09-11 | current_registration | HPD registration contact: Officer Alfred Ng, business city New York. | feu5-w2e2 |
| 2026-09-11 | current_registration | HPD registration contact: Agent Alfred Ng, business city New York. | feu5-w2e2 |
| 2026-09-11 | current_registration | HPD registration contact: HeadOfficer Linda Chiarelli, business city New York. | feu5-w2e2 |
| 2026-09-11 | current_registration | HPD registration contact: SiteManager Alfred Ng. | feu5-w2e2 |
| 2026-09-11 | current_registration | HPD registration contact: CorporateOwner (New York University), business city New York. | feu5-w2e2 |

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Independent site. Data from NYC Open Data; not affiliated with the City of New York. Not a title search or official record; verify with the issuing agency. JSON: https://nycpropertyfacts.com/api/v1/property/1008430022