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1720 Avenue U, Madison, Brooklyn, NY 11229

BBL 3073500008 (Borough 3, Block 7350, Lot 8) · BIN 3199661 · Last updated: · Madison · ZIP 11229

Also recorded in city data as: 1718 Ave U

Summary · as of November 10, 2026

1720 Avenue U (Brooklyn, NY 11229; tax lot BBL 3073500008) is a 2-unit mixed-use building with apartments and ground-floor commercial space (building class S2: mixed-use: two-family home with one store or office), built around 1927, on a 1,783 sq ft lot zoned R5. City tax records list the owner as WONG, BENNY CHEUNG SHING. The Department of Finance's final market value for tax year 2027 is $2,277,000. As of November 10, 2026, NYC Open Data shows one DOB job with a permit issued but no sign-off and one active DOB violation. 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
WONG, BENNY CHEUNG SHING
Building class
S2 · Mixed-use: two-family home with one store or office
Year built · units
1927 · 2 res.
Lot area · zoning
1,783 sq ft · R5
Market value (DOF)
$2,277,000 FY2027
Last priced deed
—
BBL
3073500008
BIN
3199661

How to cite: NYC Property Facts, “1720 Avenue U, Brooklyn, NY 11229 (BBL 3073500008)”, data as of 2026-11-10, https://nycpropertyfacts.com/ny/brooklyn/1720-avenue-u-3073500008. 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)
WONG, BENNY CHEUNG SHINGThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
Building class
S2 – Mixed-use: two-family home with one store or officeThe Department of Finance’s category for what kind of building this is.
Land use
Mixed residential & commercialCity Planning’s broad category of how the lot is used.
Year built
1927Often an estimate for older buildings. Major alteration recorded: 2015, 2019.
Floors
3
Units
2 residential / 3 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
1
Lot size
1,783 sq ft (17.83 ft × 100 ft)
Building floor area
3,583 sq ft (incl. 1,190 sq ft commercial)
Zoning
R5, C1-3The zoning district sets what can be built and used here. Residential district; the overlay (C1/C2…) allows local retail on residential blocks.
Built vs. allowed density (FAR)
2.01 built / 1.50 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).
Identifiers
BBL 3073500008 (Borough 3, Block 7350, Lot 8) · BIN 3199661BBL 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 2026-11-10; Building Footprints — city dataset updated 2026-11-08; last loaded 2026-11-08; checked unchanged 2026-11-10

Tax assessment

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

Market value (tax year 2027, final roll)
$2,277,000The 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
$136,620The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$73,447Assessed value minus any exemptions.
Tax class
Tax class 1 – 1–3 family homes (and some small mixed-use / vacant lots)
Tax yearRollMarket valueAssessed valueTax class
2027Final$2,277,000$136,6201
2026Final$1,950,000$117,0001
2025Final$1,583,000$94,9801

Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; last loaded 2026-11-10

Sales & deed history 3

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
2021-04-02DEED$0 / not statedWong, Oi May; Wong, Chiung ShingWong, Oi Mui; Wong, Benny Cheung Shing; Wong, Cheung Shing2021040600944001
1987-09-16DEED$0 / not statedBlackburn, Steven; Profeta, AllanWong, Chiung Shing; Wong, Oi MayFT_3840001308984
1987-04-10DEED$0 / not statedKaufman, Claire/Heir; Heiman, Katie/Heir OfBlackburn, Steven; Profeta, AlanFT_3030001261003

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

DOB job filings 1 open of 5

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 - PARTIAL JOB · 2002-11-08
301431822
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2002-11-06$3,000
Not open
SIGNED OFF · 2019-04-15
321910054
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2019-02-22$19,500
Not open
SIGNED OFF · 2016-05-20
321199822
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2015-06-25$320,016
Not open
SIGNED OFF · 2007-02-13
301986778
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2005-08-04$2,400
Not open
SIGNED OFF · 2007-02-13
301800692
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2004-03-31$2,000

Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-11-09; last loaded 2026-11-10; DOB Job Application Filings (BIS) — city dataset updated 2026-11-09; last loaded 2026-11-10

Work permits 8

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
2019-03-052020-03-04321910054
BIS
Plumbing / PlumbingISSUED (initial)
2019-02-222019-04-07321910054
BIS
Equipment work / Other / general constructionISSUED (initial)
2015-10-162016-05-11321199822
BIS
Equipment work / Mechanical/HVACISSUED (initial)
2015-10-162016-10-15321199822
BIS
Plumbing / PlumbingISSUED (initial)
2015-09-092016-05-11321199822
BIS
Equipment work / Other / general constructionISSUED (initial)
2005-08-162006-04-01301986778
BIS
Equipment work / Fire suppressionISSUED (initial)
2004-04-062005-04-01301800692
BIS
Equipment work / Fire suppressionISSUED (initial)
2002-11-082003-10-01301431822
BIS
Equipment work / Fire suppressionISSUED (initial)

Source: DOB NOW: Build – Approved Permits — city dataset updated 2026-11-09; last loaded 2026-11-10; DOB Permit Issuance (BIS) — city dataset updated 2026-11-07; last loaded 2026-11-07

DOB violations 1 active of 5

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
Active
V-DOB VIOLATION - ACTIVE
1993-08-16LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV081693LL629125833
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2019-04-11C-CONSTRUCTION OTHER OPTIONALV*041119CCN1501FK
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
1995-08-29LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV*082995LL629127642
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
1994-06-01LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV*060194LL629109905
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
1993-06-01LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV*060193LL629109904

Source: DOB Violations — city dataset updated 2026-11-09; last loaded 2026-11-10

DOB safety violations (DOB NOW) 0 active of 0

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.

No records found in this dataset for this lot.

Source: DOB Safety Violations (DOB NOW) — city dataset updated 2026-11-09; last loaded 2026-11-10

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: STIPULATION/IN-VIO · Certification: CERTIFICATE ACCEPTED
1994-01-11Non-HazardousNO VENTILATION AS REQUIRED - BATHROOM LOCATED ON 1ST FLOOR REAR OF BAKERY NO VENTILATION NO WINDOW, NO MECHANICAL VENT TO OUT SIDE. EXHAUST FAN IN BATHROOM DOES NO VENT TO OUT SIDE AS REQUIRED.$350 / $350 / $034100797X
Resolved
Hearing: CURED/IN-VIO · Certification: CURE ACCEPTED
2021-07-14CLASS - 2ZR 73-36. AT REAR OF 1ST FLOOR HAS BEEN OCCUPIED AS ADULT PHYSICAL CULTURE ESTABLISHMENT AND PHYSICAL CULTURE ESTABLISHMENT (AS PER ZR 12-10)-MASSAGE PARLOR WITH 4 MASSAGE ROOMS WITHOUT BSA APPROVAL AS REQUIRED$0 / $0 / $035581095H
Resolved
Hearing: CURED/IN-VIO · Certification: CURE ACCEPTED
2021-07-14CLASS - 2OCCUPANCY CONTRARY TO THAT ALLOWED BY DEPT OF BUILDING RECORDS.ILLEGAL OCCUPANCY.NOTED:AT 1ST FLOOR HAS BEEN CONVERTED/OCCUPIED AS ADULT PHYSICAL CULTURE ESTABLISHMENT-MASSAGE PARLOR AT REAR OF FLOOR WITH 4 MAS$0 / $0 / $035581094X

Source: DOB ECB Violations — city dataset updated 2026-11-07; last loaded 2026-11-10

OATH tickets (all agencies) 0 unpaid of 22

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 #
Hearing pending
ASSIGNED
2026-07-18Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREETWONG BENNY CHEUNG SHING$50 / $50 / $0049774967P
No balance due
PAID IN FULL · IN VIOLATION
2025-06-11Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREETWONG BENNY CHEUNG SHING$50 / $50 / $0049146120M
No balance due
PAID IN FULL
2025-05-30Sanitation OthersIMPROPER RECEPTACLE NON-RESIDENTIAL 1STALL PEOPLES PHARMACY INC$50 / $50 / $0049203930M
No balance due
PAID IN FULL
2024-07-05Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREETWONG BENNY CHEUNG SHING$50 / $50 / $0048303198M
No balance due
PAID IN FULL
2024-02-23Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREETWONG BENNY CHEUNG SHING$50 / $50 / $0048243161R
No balance due
PAID IN FULL
2023-11-17Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREETWONG BENNY CHEUNG SHING$50 / $50 / $0048146506Z
No balance due
PAID IN FULL
2023-11-10Sanitation OthersLOOSE RUBBISH 1ST OCCURRENCEWONG BENNY CHEUNG SHING$50 / $50 / $0048146475P
No balance due
PAID IN FULL
2023-10-10Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREETWONG BENNY CHEUNG SHING$50 / $50 / $0048030084N
No balance due
HEARING COMPLETED · DISMISSED
2023-05-01Sanitation OthersSTORAGE OF RECEPTACLES COM PLACED OUT PRIOR TO 8PM W O A RECEPTACLEALL PEOPLES PHARMACY$0 / $0 / $0047878739R
No balance due
HEARING COMPLETED · IN VIOLATION
2021-07-14Dept. Of BuildingsOCCUPANCY CONTRARY TO THAT ALLOWED BY CERT OF OCCUP OR BUILDING DEPTBENNY CHEUNG SHING WONG$0 / $0 / $0035581094X
No balance due
HEARING COMPLETED · IN VIOLATION
2021-07-14Fire Department Of NycPORTABLE FIRE EXTINGUISHERS AND FIRE HOSESWONG BENNY CHEUNG SHING$0 / $0 / $0011739354J
No balance due
HEARING COMPLETED · IN VIOLATION
2021-07-14Dept. Of BuildingsMISCELLANEOUS VIOLATIONS OF THE ZONING RESOLUTIONBENNY CHEUNG SHING WONG$0 / $0 / $0035581095H

Showing 12 of 22 records. The API and the source dataset have the full list.

Source: OATH Hearings Division Case Status — city dataset updated 2026-11-10; last loaded 2026-11-10

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 2026-11-10; HPD Registration Contacts — city dataset updated 2026-11-04; last loaded 2026-11-10

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 2026-11-10; last loaded 2026-11-10

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 2026-11-10; last loaded 2026-11-10

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
2026-05-13NYPDIllegal Parking – Commercial Overnight ParkingClosed2026-05-13

Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-10; last loaded 2026-11-10

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 Madison: Open HPD violations · Active DOB violations · Active ECB violations · Open DOB jobs · Unpaid OATH tickets

Closest on Ave U

Same tax block (7350), closest first

All properties on Ave U, Brooklyn · Brooklyn 11229

Open-item counts as of November 10, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · Plain text · API & MCP docs