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19 Washington Square N, Chelsea-Hudson Yards, Manhattan, NY 10011

BBL 1005510007 (Borough 1, Block 551, Lot 7) · BIN 1077805, 1077881 · Last updated: · Chelsea-Hudson Yards · ZIP 10011

Also recorded in city data as: 20 Mac Dougal Alley

Summary · as of November 9, 2026

19 Washington Square N (Manhattan, NY 10011; tax lot BBL 1005510007) is an office building (building class O2: office building (subtype O2)), built around 1890, on a 3,997 sq ft lot zoned R6. City tax records list the owner as NEW YORK UNIVERSITY. The Department of Finance's final market value for tax year 2027 is $2,422,000. As of November 9, 2026, NYC Open Data shows four DOB jobs with a permit issued but no sign-off, one active DOB safety violation (DOB NOW) and three OATH tickets with an unpaid balance. There was one 311 request in the past 12 months and no HPD complaints since 2019. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)

Owner of record
NEW YORK UNIVERSITY
Building class
O2 · Office building
Year built · units
1890 · 0 res.
Lot area · zoning
3,997 sq ft · R6
Market value (DOF)
$2,422,000 FY2027
Last priced deed
—
BBL
1005510007
BIN
1077805, 1077881

How to cite: NYC Property Facts, “19 Washington Square N, Manhattan, NY 10011 (BBL 1005510007)”, data as of 2026-11-09, https://nycpropertyfacts.com/ny/manhattan/19-washington-square-n-1005510007. Source: NYC Open Data.

Lot & building

Basic facts about the tax lot and building from the city’s PLUTO database.

Owner (as listed by the city)
NEW YORK UNIVERSITYThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
Building class
O2 – Office building (subtype O2)The Department of Finance’s category for what kind of building this is.
Land use
Commercial & officeCity Planning’s broad category of how the lot is used.
Year built
1890Often an estimate for older buildings. Major alteration recorded: 2009.
Floors
3.5
Units
0 residential / 1 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
2
Lot size
3,997 sq ft (28.17 ft × 144 ft)
Building floor area
7,868 sq ft (incl. 7,868 sq ft commercial)
Zoning
R6The zoning district sets what can be built and used here. Residential district.
Built vs. allowed density (FAR)
1.97 built / 2.43 max residentialFloor Area Ratio = building floor area ÷ lot area. If built FAR is below the maximum, zoning may allow more floor area (other rules apply).
Historic district
Greenwich Village Historic DistrictExterior changes in a historic district need Landmarks Preservation Commission approval.
Identifiers
BBL 1005510007 (Borough 1, Block 551, Lot 7) · BIN 1077805, 1077881BBL identifies the tax lot; BIN identifies each building (from DOB/HPD/footprint records).

Source: PLUTO (Dept. of City Planning) — city dataset updated 2026-08-24; last loaded 2026-11-09; Building Footprints — city dataset updated 2026-11-08; last loaded 2026-11-08

Tax assessment

How the Department of Finance values this lot for property tax.

Market value (tax year 2027, final roll)
$2,422,000The Department of Finance’s estimate of value for tax purposes. It is not an appraisal and is often far from the sale price.
Assessed value
$1,089,900The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$990,900Assessed value minus any exemptions.
Tax class
Tax class 4 – commercial / industrial
Tax yearRollMarket valueAssessed valueTax class
2027Final$2,422,000$1,089,9004
2026Final$2,289,000$1,030,0504
2025Final$2,060,000$927,0004

Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; last loaded 2026-11-09

Sales & deed history 2

Deeds recorded with the City Register (ACRIS). A deed transfers ownership. A $0 or very low price usually means a transfer between related parties, an estate, or a refinance-related transfer, not a market sale. This is not a title search; mortgages, liens and other documents are not shown.

DateTypePriceSeller (grantor)Buyer (grantee)Doc ID
1984-08-06DEED$0 / not statedPresident/Fellows EtcNew York UniversityFT_1340000070834
1984-07-03DEED$0 / not statedWeinberg, Marian K.Lwt; King, John P. Sr. Exec; Horblit, Harrison D.ExecPresident/Fellows/Etc.FT_1350000069035

Source: ACRIS Real Property Master — city dataset updated 2026-10-08; last loaded 2026-11-09; ACRIS Real Property Legals — city dataset updated 2026-10-08; last loaded 2026-11-09; ACRIS Real Property Parties — city dataset updated 2026-10-08; last loaded 2026-11-09

DOB job filings 4 open of 22

A “job” is an application to the Department of Buildings to do construction work. A job marked Permitted, not signed off had a work permit issued but the city has no record of final sign-off (inspection/completion). Old jobs left in this state are common and appear in buyer and lender due diligence; the work may or may not have been done.

StatusJob #TypeFiledEst. cost
Permitted, not signed off
PERMIT ISSUED - ENTIRE JOB/WORK · 2013-05-06
140038304
BIS
A3 – Minor alteration (one type of work)2012-11-13—
Permitted, not signed off
PERMIT ISSUED - ENTIRE JOB/WORK · 2013-05-01
140038322
BIS
A3 – Minor alteration (one type of work)2012-11-13—
Permitted, not signed off
PERMIT ISSUED - ENTIRE JOB/WORK · 2004-06-14
103791498
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2004-06-02$27,000
Permitted, not signed off
PERMIT ISSUED - ENTIRE JOB/WORK · 1992-06-30
100157955
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)1990-12-17$40,000
Not open
Approved · 2026-06-22
M01388070-P1
DOB NOW
Alteration2026-06-17$10,000
Not open
LOC Issued · 2026-06-24
M01388070-I1
DOB NOW
Alteration2026-05-04$10,000
Not open
LOC Issued · 2024-08-14
M00850566-I1
DOB NOW
Alteration2023-10-17$148,000
Not open
LOC Issued · 2023-10-04
M00867086-I1
DOB NOW
Alteration2023-04-28$100,000
Not open
LOC Issued · 2024-01-15
M00867047-I1
DOB NOW
Alteration2023-04-28$100,000
Not open
LOC Issued · 2023-12-21
M00829288-I1
DOB NOW
Alteration2023-04-11$596,448
Not open
SIGNED OFF · 2024-12-05
123484924
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2019-04-23$20,000
Not open
SIGNED OFF · 2009-09-10
110468663
BIS
A3 – Minor alteration (one type of work)2009-02-24—
Not open
SIGNED OFF · 2009-09-09
110459263
BIS
A3 – Minor alteration (one type of work)2009-02-23—
Not open
SIGNED OFF · 2010-02-19
110448533
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2009-02-05$60,000
Not open
SIGNED OFF · 2024-12-09
110445705
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2009-02-02$350,000
Not open
SIGNED OFF · 2010-03-10
110399195
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2008-11-28$400,000
Not open
SIGNED OFF · 2011-03-29
110353466
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2008-10-03$389,000
Not open
SIGNED OFF · 2009-09-04
110247091
BIS
A3 – Minor alteration (one type of work)2008-09-17—
Not open
SIGNED OFF · 2010-02-02
110337056
BIS
A3 – Minor alteration (one type of work)2008-09-11—
Not open
SIGNED OFF · 2025-09-05
110321376
BIS
A1 – Major alteration (changes use, egress or occupancy)2008-08-21$1,000

Showing 20 of 22 records. The API and the source dataset have the full list.

Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-11-08; last loaded 2026-11-09; DOB Job Application Filings (BIS) — city dataset updated 2026-11-08; last loaded 2026-11-09

Work permits 48

Individual permits issued under DOB jobs (one job can have several permits, e.g. plumbing and construction). Permit expiration alone does not mean the job was completed or signed off.

IssuedExpiresJob #WorkPermit status
2026-05-072026-08-03M01388070-I1
DOB NOW
Mechanical Systems
REPLACE THE EXISTING VRF SYSTEM CONDENSER AND INDOOR AIR HANDLERS WITH NEW UNITS AS PER PLAN. NO CHANGE IN USE, EGRESS, OR OCCUPANCY UNDER THIS FILING.
Signed-off
2024-11-122025-11-12123484924
BIS
Plumbing / PlumbingISSUED (renewal)
2023-11-132024-11-13M00850566-I1
DOB NOW
Mechanical Systems
APPLICATION FILED FOR MECHANICAL, MODIFICATIONS, RTU, PIPE WORK,AS PER PLAN. THERE IS NO CHANGE TO USE, EGRESS OR OCCUPANCY FILED UNDER THIS APPL
Signed-off
2023-04-292024-04-29M00867047-I1
DOB NOW
Sidewalk Shed
SIDEWALK SHED FOR PROTECTION OF THE PUBLIC. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
Signed-off
2023-04-282023-11-01M00867086-I1
DOB NOW
Supported Scaffold
SUPPORTED SCAFFOLD FOR WORKER ACCESS. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
Signed-off
2023-04-242024-02-29M00829288-I1
DOB NOW
General Construction
APPLICATION FILED HEREWITH FOR ROOF REPLACEMENT AND FACADE REPAIR WORK AS SHOWN ON PLANS SUBMITTED. NO CHANGE IN USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION
Signed-off
2022-08-022022-10-05123484924
BIS
Equipment work / Mechanical/HVACISSUED (renewal)
2022-08-022022-10-05123484924
BIS
Equipment work / Other / general constructionISSUED (renewal)
2022-08-022022-10-05123484924
BIS
Equipment work / Other / general constructionISSUED (renewal)
2019-11-082020-11-07123484924
BIS
Plumbing / PlumbingISSUED (initial)
2019-10-232020-10-05123484924
BIS
Equipment work / Mechanical/HVACISSUED (initial)
2019-10-222020-10-05123484924
BIS
Equipment work / Other / general constructionISSUED (initial)

Showing 12 of 48 records. The API and the source dataset have the full list.

Source: DOB NOW: Build – Approved Permits — city dataset updated 2026-11-09; last loaded 2026-11-09; DOB Permit Issuance (BIS) — city dataset updated 2026-11-07; last loaded 2026-11-07

DOB violations 0 active of 8

Violations issued by the Department of Buildings for building-code or zoning conditions. Active means DOB has not recorded the violation as resolved or dismissed. Many active DOB violations are old (e.g. elevator or boiler inspection paperwork). The active-DOB count in the summary also includes DOB NOW safety violations, listed in the next section.

StatusIssuedTypeDescriptionNumber
Resolved/dismissed
V*-DOB VIOLATION - Resolved
2019-05-16E-ELEVATOR ELEVATORREQUIREDV*051619E9027/652863
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2018-04-06LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDVIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2016 INSPECTION REPORTV*040618LBLVIO00466
Resolved/dismissed
V*-DOB VIOLATION - Resolved
2016-03-18E-ELEVATOR ELEVATORREQUIREDV*031816E9027/566847
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2014-05-30ACC1-(OTHER BLDGS TYPES) - ELEVATOR AFFIRMATION OF CORRECTION ELEVATORREQUIREDVIO ISSUED TO ELEVATOR - FAIL TO CORRECT DEFECTS ON 2012 CAT 1 INSP/TSTV*053014ACC109373
Resolved/dismissed
V*-DOB VIOLATION - Resolved
2013-10-29E-ELEVATOR ELEVATORREQUIREDV*102913E9028/492300
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2013-03-01LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDVIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2011 INSPECTION REPORTV*030113LBLVIO03024
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2008-01-03LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV*010308LL629100513
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
1997-02-10LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV*021097LL629102032

Source: DOB Violations — city dataset updated 2026-11-09; last loaded 2026-11-09

DOB safety violations (DOB NOW) 1 active of 6

Safety violations DOB NOW publishes for devices such as boilers, elevators and gas piping (Local Law 152). Active means the published status is Active. Dismissed, cured, waived and successfully disputed violations are counted under “resolved or not active” and are not open items. Active ones are included in the summary’s active DOB violation total.

StatusIssuedTypeDeviceNumberRemarks
Active
Active
2025-09-18FTF-PL-PERGas Piping - LL152NOD-FTF-PL-PER-202206-0087780Cycle 1, Sub-cycle B (premises is in Community District 2)
5 resolved or not active
StatusIssuedTypeDeviceNumberRemarks
Not active
Dismissed
2023-11-14FTC-BE-EXT-LPBoilerVIO-FTC-BE-EXT-201912-0002681Violation Issued-Failure To File 2019 External Inspection Affirmation of Correction for LP Device
Not active
Dismissed
2023-11-14FTC-BE-EXT-LPBoilerVIO-FTC-BE-EXT-202012-0002963Violation Issued-Failure To File 2020 External Inspection Affirmation of Correction for LP Device
Not active
Dismissed
2023-11-14FTC-BE-EXT-LPBoilerVIO-FTC-BE-EXT-202212-0002320Violation Issued-Failure To File 2022 External Inspection Affirmation of Correction for LP Device
Not active
Dismissed
2023-10-23FTC-VT-CAT1-COElevatorsVIO-FTC-VT-CAT1-202212-0020281Violation Issued-Failure To File 2022 Cat1 Test Affirmation of Correction
Not active
Dismissed
2023-10-02FTC-VT-PER-COElevatorsVIO-FTC-VT-PER-202212-0016713Violation Issued-Failure To File 2022 Periodic Inspection Affirmation of Correction

Source: DOB Safety Violations (DOB NOW) — city dataset updated 2026-11-09; last loaded 2026-11-09

ECB violations (DOB) 0 active of 3

DOB violations that go to a hearing at OATH (formerly the Environmental Control Board) and can carry fines. Active or Resolved follows the DOB violation status field. The hearing status is about the hearing and its penalty: written off means the city stopped collecting the fine, not that the condition was corrected. A balance due is a fine the city says is unpaid.

StatusIssuedSeverityWhat it was forPenalty / paid / balanceECB #
Resolved
Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED
2004-07-27Non-Hazardous50 50-WOOD BEAMS EXPOSED IN BOILER ROOM AND HOLES IN BOILER ROOM$180 / $180 / $032045682Y
Resolved
Hearing: DEFAULT · Certification: CERTIFICATE ACCEPTED
2009-02-25CLASS - 2FAILURE TO SAFEGUARD ALL PERSONS & PROPERTY AFFECTED BY CONSTRUCTION OPERATIONS.OBSERVED RECENT SMOKING REFUSE WITHIN CONSTRUCTION SITE IN VIOLATION OF NYC FIRE CODE 1404.1.NUMEROUS USED CIGARETTE BUTTS ALL OVE$6,000 / $1,200 / $034760353Z
Resolved
Hearing: STIPULATION/IN-VIO · Certification: CERTIFICATE ACCEPTED
2009-02-25CLASS - 2SEC.BC3301.2.MISC.VIOLATIONS.FAILURE TO PROVIDE 3FT 6IN GUARDRAIL OR EQUIVALENT AROUND ALL FL & PERIMETER OPENINGS.THE GUARDRAILS INSTALLED DO NO HAVE ANY TOE BOARDS CONTRARY TO DOB REQUIREMENTS 110399195A2.$400 / $400 / $034760354K

Source: DOB ECB Violations — city dataset updated 2026-11-07; last loaded 2026-11-09

OATH tickets (all agencies) 3 unpaid of 31

Summonses heard at the Office of Administrative Trials and Hearings, from agencies like Sanitation, Buildings, Fire and Health, linked to this lot’s block and lot. Default means the respondent did not appear at the hearing, which typically results in the maximum penalty. Tickets may be issued to tenants or businesses at the address, not just the owner. DOB ECB tickets appear here too.

StatusDateAgencyChargeRespondentImposed / paid / balanceTicket #
Unpaid balance Default
DEFAULTED · DEFAULTED
2025-12-31Asbestos Control ProgramFAIL TO SUBMIT PROJ MONITOR S REPORT W IN 21 DAYS OF PROJ COMPLETIONAMARILLO$4,800 / $0 / $4,800051011472J
Unpaid balance
DOCKETED · IN VIOLATION
2024-07-08Dep - Bureau Of Env. CompliancIDLING OF MOTOR VEHICLE ENGINE MORE THAN THREE MINUTES 1ST OFFAR-COL TRAVEL ARRANGEMENTS INC$350 / $0 / $455000873739Z
Unpaid balance
DOCKETED · IN VIOLATION
2024-01-31Dep - Bureau Of Env. CompliancIDLING OF MOTOR VEHICLE ENGINE MORE THAN THREE MINUTES 1ST OFFADVENTURES BY DAWN LLC$350 / $0 / $455000837246M
No balance due
PAID IN FULL · SETTL IN-VIO
2024-12-20Sanitation OthersSTORAGE OF RECEPTACLES NON-COLLECTION DAYNEW YORK UNIVERSITY$300 / $181 / $0048806401N
No balance due
PAID IN FULL · SETTL IN-VIO
2024-12-03Sanitation OthersSTORAGE OF RECEPTACLES PLACED OUT PRIOR TO 8PM WITHOUT A RECEPTACLENEW YORK UNIVERSITY$300 / $181 / $0048707681N
No balance due
PAID IN FULL · IN VIOLATION
2024-08-06Dep - Bureau Of Env. CompliancIDLING OF MOTOR VEHICLE ENGINE MORE THAN THREE MINUTES 1ST OFFADVENTURES BY DAWN LLC$350 / $350 / $0000931492Z
No balance due
PAID IN FULL · SETTL IN-VIO
2023-02-25Sanitation OthersIMPROPER RECEPTACLES 1ST OCCURRENCENEW YORK UNIVERSITY$300 / $178 / $0047743483Y
No balance due
PAID IN FULL · SETTL IN-VIO
2023-02-23Sanitation OthersIMPROPER RECEPTACLES 1ST OCCURRENCENEW YORK UNIVERSITY$300 / $176 / $0047743475Y
No balance due
PAID IN FULL · IN VIOLATION
2022-10-13Dep - Bureau Of Env. CompliancIDLING OF MOTOR VEHICLE ENGINE MORE THAN THREE MINUTES 1ST OFFPENSKE TRUCK LEASING CORPORATI$350 / $350 / $0000744658X
No balance due
PAID IN FULL
2019-09-10Sanitation OthersFAILURE TO PROPERLY PUT RECYCS OUT FOR COLLECTION 1TO8DWELLING UNITSNEW YORK UNIVERSITY$25 / $25 / $00208904439
No balance due
PAID IN FULL
2019-08-06Sanitation OthersFAILURE TO PROPERLY PUT RECYCS OUT FOR COLLECTION 1TO8DWELLING UNITSNEW YORK UNIVERSITY$25 / $25 / $00208776417
No balance due Default
PAID IN FULL · DEFAULTED
2019-07-27Sanitation OthersRECYC PLACED FOR COLLECTION W NON-RECYC 1 TO 8 DWELLING UNITSNEW YORK UNIVERSITY$25 / $25 / $00208773630

Showing 12 of 31 records. The API and the source dataset have the full list.

Source: OATH Hearings Division Case Status — city dataset updated 2026-11-09; last loaded 2026-11-09

HPD registration & contacts

Owners of most rental buildings must register with the Department of Housing Preservation and Development each year and list an owner and managing agent.

No HPD registration found. Registration is required for buildings with 3 or more apartments (and for 1–2 family homes where neither the owner nor family lives there).

Source: HPD Multiple Dwelling Registrations — city dataset updated 2026-11-04; last loaded 2026-11-09; HPD Registration Contacts — city dataset updated 2026-11-04; last loaded 2026-11-09

HPD housing-code violations 0 open of 0

Violations HPD inspectors issued for conditions in residential buildings (heat, leaks, mold, pests, lead paint, etc.). Class letters show how serious: Class A – non-hazardous (HPD gives 90 days to correct); Class B – hazardous (30 days to correct); Class C – immediately hazardous (24 hours to correct for most conditions); Class I – information / order (e.g. orders to register, lead or other administrative orders). Open means HPD has not recorded the condition as corrected.

No records found in this dataset for this lot.

Source: HPD Housing Maintenance Code Violations — city dataset updated 2026-11-09; last loaded 2026-11-09

HPD complaints 0

Complaints tenants or others made to HPD (usually via 311) about housing conditions, from 2019 onward. A complaint is not a violation; HPD may inspect and issue one.

No records found in this dataset for this lot.

Source: HPD Housing Maintenance Code Complaints and Problems — city dataset updated 2026-11-09; last loaded 2026-11-09

311 requests (last 12 months) 1

Recent 311 service requests the city geocoded to this lot: noise, illegal parking, heat, sanitation and more. Anyone can file them, so they describe activity at or near the address, not necessarily the building itself.

OpenedAgencyComplaintStatusClosed
2026-09-22NYPDIllegal Parking – Blocked HydrantClosed2026-09-22

Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-09; last loaded 2026-11-09

Nearby properties

Ordered by map distance among lots on this street within 40 house numbers and on this tax block within 15 lot numbers.

More in Chelsea-Hudson Yards: Open HPD violations · Active DOB violations · Active ECB violations · Open DOB jobs · Unpaid OATH tickets

Closest on Washington Sq N

Same tax block (551), closest first

All properties on Washington Sq N, Manhattan · Manhattan 10011

Open-item counts as of November 9, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · Plain text · API & MCP docs