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4 Washington Square N, Manhattan, NY 10003

BBL 1005500004 (Borough 1, Block 550, Lot 4) · BIN 1083131, 1008842 · Last updated:

Also recorded in city data as: 14 Washington Mews · 4 Washington Sq

Summary · as of November 5, 2026

4 Washington Square N (Manhattan, NY 10003; tax lot BBL 1005500004) is a school or educational building (building class W6: educational building (subtype W6)), built around 1900, on a 4,470 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 $2,310,000. As of November 5, 2026, NYC Open Data shows five DOB jobs with a permit issued but no sign-off, one active ECB violation and 13 OATH tickets with an unpaid balance. (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
W6 · Educational building
Year built · units
1900 · 0 res.
Lot area · zoning
4,470 sq ft · R6
Market value (DOF)
$2,310,000 FY2027
Last priced deed
—
BBL
1005500004
BIN
1083131, 1008842

How to cite: NYC Property Facts, “4 Washington Square N, Manhattan, NY 10003 (BBL 1005500004)”, data as of 2026-11-05, https://nycpropertyfacts.com/ny/manhattan/4-washington-square-n-1005500004. 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
W6 – Educational building (subtype W6)The Department of Finance’s category for what kind of building this is.
Land use
Public facilities & institutionsCity Planning’s broad category of how the lot is used.
Year built
1900Often an estimate for older buildings.
Floors
3.5
Units
0 residential / 2 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
2
Lot size
4,470 sq ft (27.67 ft × 161 ft)
Building floor area
10,495 sq ft (incl. 10,495 sq ft commercial)
Zoning
R6The zoning district sets what can be built and used here. Residential district.
Built vs. allowed density (FAR)
2.35 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 1005500004 (Borough 1, Block 550, Lot 4) · BIN 1083131, 1008842BBL 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; data as of 2026-11-05; Building Footprints — city dataset updated 2026-10-25; data as of 2026-11-01

Tax assessment

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

Market value (tax year 2027, final roll)
$2,310,000The 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
$1,039,500The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$1,039,500Assessed value minus any exemptions.
Tax class
Tax class 4 – commercial / industrial
Tax yearRollMarket valueAssessed valueTax class
2027Final$2,310,000$1,039,5004
2026Final$2,254,000$1,014,3004
2025Final$2,221,000$999,4504

Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; data as of 2026-11-05

Sales & deed history 8

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
2015-04-30DEED$0 / not stated
one deed covering 13 lots; price is for all of them
New York University Real Estate CorporationNew York University2015042200301004
2008-06-12CORRD$0 / not stated
one deed covering 14 lots; price is for all of them
New York University School Of Law FoundationNew York University Real Estate Corporation2008062400043003
2001-05-01DEED$0 / not stated
one deed covering 14 lots; price is for all of them
New York Universityschool Of Law Foundation; Law Center FoundationNew York Universityreal Estate Corporation, Inc.FT_1550007710655
1994-07-21DEED$0 / not stated
one deed covering 16 lots; price is for all of them
1031 Management Corp; Dilorenzo AssociatesLaw Center FoundationFT_1610004362461
1986-06-27DEED$0 / not stated
one deed covering 16 lots; price is for all of them
Sailor'S Snug Harbortr/1031 Management CorpFT_1320000148832
1985-07-15DEED$0 / not stated
one deed covering 15 lots; price is for all of them
1031 Nominee Corp.1031 Management Corp.FT_1020000146202
1985-07-15DEED$0 / not stated
one deed covering 16 lots; price is for all of them
Riley, Allan J1031 Moninee CorpFT_1890000109289
1983-05-24DEED$0 / not stated
one deed covering 16 lots; price is for all of them
Trustees/Sailors'Etc.Riley, Allan J.FT_1150000032015

Source: ACRIS Real Property Master — city dataset updated 2026-10-08; data as of 2026-11-05; ACRIS Real Property Legals — city dataset updated 2026-10-08; data as of 2026-11-05; ACRIS Real Property Parties — city dataset updated 2026-10-08; data as of 2026-11-05

DOB job filings 5 open of 29

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 Entire · 2023-04-05
M00805090-I1
DOB NOW
Alteration2023-02-23$330,000
Permitted, not signed off
Permit Entire · 2021-06-15
M00532817-I1
DOB NOW
Alteration2021-06-11$20,000
Permitted, not signed off
PERMIT ISSUED - ENTIRE JOB/WORK · 2012-10-19
121412168
BIS
A3 – Minor alteration (one type of work)2012-10-18—
Permitted, not signed off
PERMIT ISSUED - ENTIRE JOB/WORK · 2010-12-07
120553285
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2010-12-06$20,500
Permitted, not signed off
PERMIT ISSUED - ENTIRE JOB/WORK · 2008-01-28
110066963
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2008-01-22—
Not open
LOC Issued · 2022-10-12
M00622573-I1
DOB NOW
Alteration2021-11-05$450,000
Not open
LOC Issued · 2024-01-19
M00547182-I1
DOB NOW
Alteration2021-06-25$108,800
Not open
LOC Issued · 2021-01-28
M00382003-I1
DOB NOW
Alteration2020-08-19$27,000
Not open
LOC Issued · 2021-01-28
M00381831-I1
DOB NOW
Alteration2020-08-19$16,000
Not open
SIGNED OFF · 2021-05-03
123856835
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2020-04-13$42,940
Not open
APPLICATION PROCESSED - ENTIRE · 2019-04-03
123078640
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2019-04-03$180,000
Not open
SIGNED OFF · 2014-10-27
121949259
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2014-03-21$25,000
Not open
SIGNED OFF · 2013-08-30
121415584
BIS
A3 – Minor alteration (one type of work)2012-12-03—
Not open
SIGNED OFF · 2013-08-30
121414950
BIS
A3 – Minor alteration (one type of work)2012-11-30—
Not open
SIGNED OFF · 2013-08-13
121338882
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2012-08-10$12,000
Not open
SIGNED OFF · 2013-08-22
121080025
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2012-05-17$100,000
Not open
SIGNED OFF · 2012-02-23
120445633
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2010-08-18$195,000
Not open
SIGNED OFF · 2011-12-22
120444028
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2010-08-13$44,600
Not open
SIGNED OFF · 2011-06-08
120364943
BIS
A3 – Minor alteration (one type of work)2010-05-27—
Not open
SIGNED OFF · 2011-06-08
120364346
BIS
A3 – Minor alteration (one type of work)2010-05-26—

Showing 20 of 29 records. The API and the source dataset have the full list.

Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-11-01; data as of 2026-11-05; DOB Job Application Filings (BIS) — city dataset updated 2026-11-04; data as of 2026-11-05

Work permits 38

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
2023-04-052023-04-15M00805090-I1
DOB NOW
Mechanical Systems
APPLICATION FILED TO MODIFY EXISTING MECHANICAL DUCT WORK, EVAPORATOR AND AC AS PER PLAN. THERE IS NO CHANGE TO USE, EGRESS OR OCCUPANCY FILED UNDER THIS APPLIC
Permit Issued
2021-11-082022-10-05M00622573-I1
DOB NOW
Mechanical Systems
installation of hvac units, ductwork and associated piping as per plans.
Signed-off
2021-08-202021-10-05M00547182-I1
DOB NOW
General Construction
Restoration of interior ceilings and repairs to floor joist in Cellar, Basement and 01 to 04 floors, as per the plans filed.
Signed-off
2021-06-152021-10-29M00532817-I1
DOB NOW
Mechanical Systems
Replacement of existing RTU with new. No change to use, occupancy, or egress
Permit Issued
2020-08-202021-04-01M00382003-I1
DOB NOW
Supported Scaffold
INSTALLATION OF TEMPORARY PIPE SCAFFOLD AS PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
Signed-off
2020-08-202021-04-01M00381831-I1
DOB NOW
Sidewalk Shed
INSTALLATION OF TEMPORARY SIDEWALK SHED AS PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
Signed-off
2020-07-212021-03-01123856835
BIS
Equipment work / Other / general constructionISSUED (initial)
2014-09-262015-03-14121949259
BIS
Equipment work / Other / general constructionISSUED (initial)
2013-06-212014-06-14121414950
BIS
Construction equipment (scaffold, fence, shed) / Construction equipmentISSUED (renewal)
2012-12-032013-06-21121415584
BIS
Construction equipment (scaffold, fence, shed) / Construction equipmentISSUED (initial)
2012-11-302013-06-21121414950
BIS
Construction equipment (scaffold, fence, shed) / Construction equipmentISSUED (initial)
2012-10-192013-05-01121412168
BIS
Construction equipment (scaffold, fence, shed) / Construction equipmentISSUED (initial)

Showing 12 of 38 records. The API and the source dataset have the full list.

Source: DOB NOW: Build – Approved Permits — city dataset updated 2026-11-02; data as of 2026-11-05; DOB Permit Issuance (BIS) — city dataset updated 2026-10-31; data as of 2026-10-31

DOB violations 0 active of 1

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).

StatusIssuedTypeDescriptionNumber
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2013-03-01LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDVIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2011 INSPECTION REPORTV*030113LBLVIO00615

Source: DOB Violations — city dataset updated 2026-11-02; data as of 2026-11-05

ECB violations (DOB) 1 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: CURED/IN-VIO · Certification: CURE ACCEPTED
2008-03-07Non-HazardousB4A5050A50B. 50 CAST IRON FITTINGS IN OIL FILL LINE, ALSO NOT MIN 2FT FROM MY OPENINGS TO BLDG. 50A OIL VENT LINE NOT MIN 2FT FROM ANY BLDG OPENING. 50B (SWINVEY) JOINTS MISSING IN 2-275 TANKS CROSS OVER.$0 / $0 / $032055827P
Active
Hearing: ADMIT/IN-VIO
2021-11-10CLASS - 2NO STORAGE IN BOILER ROOM CORRECT ALL VIOLATING CONDITIONS ANDSUBMIT A CERTIFICATE OF CORRECTION$625 / $625 / $039050926M
Resolved
Hearing: STIPULATION/IN-VIO · Certification: CERTIFICATE ACCEPTED
2010-10-01CLASS - 216 50 50AB 50-EXHAUST FAN INSTALLED IN BOILER ROOM 50A-OIL LEAKING FROM OIL PIPES IN OIL TANK ROOM ALSO OIL SOAKED MATERIAL ON AND UNDER OIL TANKS 50B-CHIMNEY BASE FULL OF DEBRIS$250 / $250 / $032069882P

Source: DOB ECB Violations — city dataset updated 2026-10-31; data as of 2026-11-05

OATH tickets (all agencies) 13 unpaid of 24

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
HEARING COMPLETED · IN VIOLATION
2026-07-27Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREETNEW YORK UNIVERSITY$50 / $0 / $50049854581M
Unpaid balance Default
DEFAULTED · DEFAULTED
2022-05-24Dep - Bureau Of Env. CompliancIDLING OF MOTOR VEHICLE ENGINE MORE THAN THREE MINUTES 1ST OFFIMOBILETEST LLC$1,000 / $0 / $1,300000718794L
Unpaid balance Default
DEFAULTED · DEFAULTED
2022-03-31Dep - Bureau Of Env. CompliancIDLING OF MOTOR VEHICLE ENGINE MORE THAN THREE MINUTES 1ST OFFINFINITY LABORATORIES$1,000 / $0 / $1,300000717686J
Unpaid balance Default
DEFAULTED · DEFAULTED
2022-03-24Dep - Bureau Of Env. CompliancIDLING OF MOTOR VEHICLE ENGINE MORE THAN THREE MINUTES 1ST OFFINFINITY LABORATORIES$1,000 / $0 / $1,300000716574K
Unpaid balance Default
DEFAULTED · DEFAULTED
2022-03-21Dep - Bureau Of Env. CompliancIDLING OF MOTOR VEHICLE ENGINE MORE THAN THREE MINUTES 1ST OFFINFINITY LABORATORIES$1,000 / $0 / $1,300000716732R
Unpaid balance Default
DEFAULTED · DEFAULTED
2022-03-18Dep - Bureau Of Env. CompliancIDLING OF MOTOR VEHICLE ENGINE MORE THAN THREE MINUTES 1ST OFFINFINITY LABORATORIES$1,000 / $0 / $1,300000716064K
Unpaid balance Default
DEFAULTED · DEFAULTED
2022-03-17Dep - Bureau Of Env. CompliancIDLING OF MOTOR VEHICLE ENGINE MORE THAN THREE MINUTES 1ST OFFIMOBILETEST LLC$1,000 / $0 / $1,300000716075X
Unpaid balance Default
DEFAULTED · DEFAULTED
2022-03-16Dep - Bureau Of Env. CompliancIDLING OF MOTOR VEHICLE ENGINE MORE THAN THREE MINUTES 1ST OFFINFINITY LABORATORIES$1,000 / $0 / $1,300000716071Z
Unpaid balance Default
DEFAULTED · DEFAULTED
2022-03-11Dep - Bureau Of Env. CompliancIDLING OF MOTOR VEHICLE ENGINE MORE THAN THREE MINUTES 1ST OFFINFINITY LABORATORIES$1,000 / $0 / $1,300000715990P
Unpaid balance Default
DEFAULTED · DEFAULTED
2022-03-10Dep - Bureau Of Env. CompliancIDLING OF MOTOR VEHICLE ENGINE MORE THAN THREE MINUTES 1ST OFFINFINITY LABORATORIES$1,000 / $0 / $1,300000716170Y
Unpaid balance Default
DEFAULTED · DEFAULTED
2022-03-08Dep - Bureau Of Env. CompliancIDLING OF MOTOR VEHICLE ENGINE MORE THAN THREE MINUTES 1ST OFFINFINITY LABORATORIES$1,000 / $0 / $1,300000715450Y
Unpaid balance Default
DEFAULTED · DEFAULTED
2022-03-01Dep - Bureau Of Env. CompliancIDLING OF MOTOR VEHICLE ENGINE MORE THAN THREE MINUTES 1ST OFFINFINITY LABORATORIES$1,000 / $0 / $1,300000715945X

Showing 12 of 24 records. The API and the source dataset have the full list.

Source: OATH Hearings Division Case Status — city dataset updated 2026-11-02; data as of 2026-11-05

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; data as of 2026-11-05; HPD Registration Contacts — city dataset updated 2026-11-04; data as of 2026-11-05

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 2026-11-05; data as of 2026-11-05

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 2026-11-05; data as of 2026-11-05

311 requests (last 12 months) 0

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.

No records found in this dataset for this lot.

Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-05; data as of 2026-11-05

Nearby properties

On Washington Sq N

Same tax block (550)

All properties on Washington Sq N, Manhattan · All of Manhattan 10003

Open-item counts as of November 5, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · Plain text · API & MCP docs