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71 Avenue U, Brooklyn, NY 11223

BBL 3070950046 (Borough 3, Block 7095, Lot 46) · BIN 3190902 · Last updated:

Summary · as of October 31, 2026

71 Avenue U (Brooklyn, NY 11223; tax lot BBL 3070950046) is a 4-unit walk-up apartment building (building class C3: walk-up apartments, four families), built around 1924, on a 2,975 sq ft lot zoned R5B. City tax records list the owner as NG, JIMMY FAT-BONG; per ACRIS, a deed to this owner dated March 31, 2008 lists a price of $370,000. The Department of Finance's final market value for tax year 2027 is $950,000. As of October 31, 2026, NYC Open Data shows 19 open HPD violations and one OATH ticket with an unpaid balance. There were no 311 requests in the past 12 months and one HPD complaint since 2019. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)

Owner of record
NG, JIMMY FAT-BONG
Building class
C3 · Walk-up apartments, four families
Year built · units
1924 · 4 res.
Lot area · zoning
2,975 sq ft · R5B
Market value (DOF)
$950,000 FY2027
Last priced deed
$370,000 · 2008-03-31
BBL
3070950046
BIN
3190902

How to cite: NYC Property Facts, “71 Avenue U, Brooklyn, NY 11223 (BBL 3070950046)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/71-avenue-u-3070950046. 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)
NG, JIMMY FAT-BONGThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
Building class
C3 – Walk-up apartments, four familiesThe Department of Finance’s category for what kind of building this is.
Land use
Multi-family walk-up buildingsCity Planning’s broad category of how the lot is used.
Year built
1924Often an estimate for older buildings.
Floors
2
Units
4 residential / 4 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
1
Lot size
2,975 sq ft (29.75 ft × 100 ft)
Building floor area
3,360 sq ft
Zoning
R5B, C2-3The 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)
1.13 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 3070950046 (Borough 3, Block 7095, Lot 46) · BIN 3190902BBL 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 2026-11-04; 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)
$950,000The 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
$427,500The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$114,200Assessed value minus any exemptions.
Tax class
Tax class 2A – residential rental, 4–6 units
Tax yearRollMarket valueAssessed valueTax class
2027Final$950,000$427,5002A
2026Final$824,000$370,8002A
2025Final$686,400$308,8802A

Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; data as of 2026-11-04

Sales & deed history 6

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
2008-03-31DEED$370,000Ng, Vincent Bond; Ng, Johnny KingNg, Johnny Fat-King; Ng, Jimmy Fat-Bong2008041501164001
2004-03-31DEEDO$176,820Eng, Ark Wong; Ng, Johnny King; Ng, Ping YipNg, Johnny King; Ng, Vincent Bond2004041500703001
1987-07-14DEED$0 / not statedColaianno, Michael; Colaianno, BettyNg, Ping Yip; Eng, Ark Wong; Ng, Johnny KingFT_3140001303414
1975-06-09DEED$0 / not statedExec Of Dell O Lio GraziaColaianno Betty; Colaianno MichaelBK_7530078301882
1970-08-25DEED$0 / not statedColaianno BettyColaianno Michael; Colaianno BettyBK_7030043001991
1968-09-20DEED$0 / not statedPellegrino ThomasColaianno BettyBK_6830027801418

Source: ACRIS Real Property Master — city dataset updated 2026-10-08; data as of 2026-11-04; ACRIS Real Property Legals — city dataset updated 2026-10-08; data as of 2026-11-04; ACRIS Real Property Parties — city dataset updated 2026-10-08; data as of 2026-11-04

DOB job filings 0 open of 0

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.

No records found in this dataset for this lot.

Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-11-01; data as of 2026-11-04; DOB Job Application Filings (BIS) — city dataset updated 2026-10-30; data as of 2026-10-31

Work permits 0

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.

No records found in this dataset for this lot.

Source: DOB NOW: Build – Approved Permits — city dataset updated 2026-11-02; data as of 2026-11-04; DOB Permit Issuance (BIS) — city dataset updated 2026-10-31; data as of 2026-10-31

DOB violations 0 active of 2

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
2011-09-21AEUHAZ1-FAIL TO CERTIFY CLASS 1 NONEFAILURE TO CERTIFY CORRECTION ON IMMEDIATELY HAZARDOUS (CLASS 1) ECB VIOLATIONV*092111AEUHAZ100273
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2011-09-21AEUHAZ1-FAIL TO CERTIFY CLASS 1 NONEFAILURE TO CERTIFY CORRECTION ON IMMEDIATELY HAZARDOUS (CLASS 1) ECB VIOLATIONV*092111AEUHAZ100274

Source: DOB Violations — city dataset updated 2026-11-02; data as of 2026-11-04

ECB violations (DOB) 0 active of 6

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: DISMISSED · Certification: N/A - DISMISSED
2011-08-08CLASS - 1FAILURE TO COMPLY W/THE COMMISSIONER'S ORDER CONTAINED IN NOTICE OF VIOLATION #34900641P ISSUED ON 6/23/11. REMEDY: COMPLY W/THE COMMISSIONER'S ORDER.$0 / $0 / $034960416N
Resolved
Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED
2011-06-23CLASS - 1WORK W/O A PERMIT. AT TIME OF INPECTION OBSERVED THE ILLEGAL CREATION OF 2 CLASS 'A' DWELLING UNITS AT CELLAR LEVEL W/O PERMITS AND ONLY 1 WATER CLOSET PERMITTED AT CELLAR. ILLEGAL WORK NOTED: ERECTION OF FULL$1,600 / $1,600 / $034900642R
Resolved
Hearing: DISMISSED · Certification: N/A - DISMISSED
2011-08-08CLASS - 1FAILURE TO COMPLY W/THE COMMISSIONER'S ORDER CONTAINED IN NOTICE OF VIOLATION #34900642R ISSUED ON 6/23/11. REMEDY: COMPLY W/THE COMMISSIONER'S ORDER.$0 / $0 / $034960415L
Resolved
Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED
2011-06-23CLASS - 1OCCUPANCY CONTRARY TO THAT ALLOWED BY DOB RECORDS. HPD RECORDS INDICATE MDR #352764 W/I-CARDS STATING PREMISES TO BE LEGALLY OCCUPIED AS 2 STORIES, 4 CLASS 'A' UNITS AND CELLAR DESIGNATED W/NO LEGAL OCCUPANCY$2,400 / $2,400 / $034900641P
Resolved
Hearing: DISMISSED · Certification: N/A - DISMISSED
2011-10-29CLASS - 2FAILURE TO COMPLY W/THE COMMISSIONER'S ORDER TO FILE A C/C W/THE DOB FOR NOV #34900642R ISSUED ON 6.23.11 PURSUANT TO 28-204.4 & 1RCNY 102-01. REMEDY: FILE A C/C.$0 / $800 / $034970451H
Resolved
Hearing: DISMISSED · Certification: N/A - DISMISSED
2011-10-29CLASS - 2FAILURE TO COMPLY W/THE COMMISSIONER'S ORDER TO FILE A C/C W/THE DOB FOR NOV #34900641P ISSUED ON 6.23.11 PURSUANT TO 28-204.4 & 1RCNY 102-01. REMEDY: FILE A C/C.$0 / $800 / $034970452J

Source: DOB ECB Violations — city dataset updated 2026-10-31; data as of 2026-11-04

OATH tickets (all agencies) 1 unpaid of 16

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
2022-11-29Pcs - DohmhFAIL TO ELIMINATE RODENT INFESTATION SHOWN BY ACTIVE RODENT SIGNS 1STNG$300 / $0 / $3000802493039
No balance due
PAID IN FULL
2023-10-30Sanitation OthersRECYCLABLES PLACED FOR COLLECTION WITH NON-RECYC 9+ DWELLING UNITSNG JIMMY FAT-BONG$100 / $100 / $0047990410L
No balance due
PAID IN FULL
2016-01-21Sanitation DeptFAILURE TO PROPERLY PUT RECYCS OUT FOR COLLECTION 1TO8DWELLING UNITSNG$25 / $25 / —041498101P
No balance due
HEARING COMPLETED · DISMISSED
2011-10-29Dept. Of BuildingsFAIL TO COMPLY W/COMMISSIONER ORDER TO FILE CERT OF CORRECTION W/DOBNG, JOHNNY FATKING— / $800 / —034970452J
No balance due
HEARING COMPLETED · DISMISSED
2011-10-29Dept. Of BuildingsFAIL TO COMPLY W/COMMISSIONER ORDER TO FILE CERT OF CORRECTION W/DOBNG, JOHNNY FATKING— / $800 / —034970451H
No balance due
HEARING COMPLETED · DISMISSED
2011-08-08Dept. Of BuildingsUNLAWFUL ACTS.FAILURE TO COMPLY WITH AN ORDER OF THE COMMISSIONERNG JOHNNY FAT KING— / — / —034960416N
No balance due
HEARING COMPLETED · DISMISSED
2011-08-08Dept. Of BuildingsUNLAWFUL ACTS.FAILURE TO COMPLY WITH AN ORDER OF THE COMMISSIONERNG, JOHNNY FAT KING— / — / —034960415L
No balance due
PAID IN FULL · IN VIOLATION
2011-06-23Dept. Of BuildingsWORK WITHOUT A PERMITJOHNNY FATKING NG$1,600 / $1,600 / —034900642R
No balance due
PAID IN FULL · IN VIOLATION
2011-06-23Dept. Of BuildingsOCCUPANCY CONTRARY TO THAT ALLOWED BY C OF O OR BUILDING DEPT RECORDSJOHNNY FATKING NG$2,400 / $2,400 / —034900641P
No balance due
PAID IN FULL
2008-06-19Dos - Enforcement AgentsFAILURE TO PROPERLY PUT RECYCLABLES OUT FOR COLLECTIONNG$25 / $25 / —042220610N
No balance due
PAID IN FULL · IN VIOLATION
2008-04-26Sanitation OthersSTORAGE OF RECEPTACLESNG$100 / $100 / —0160184402
No balance due
PAID IN FULL · IN VIOLATION
2004-03-10$100 / $100 / —0141450531

Showing 12 of 16 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 2026-11-04

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.

HPD building ID
196084
Last registered
2026-09-30
Registration valid until
2027-09-01 CurrentRegistrations must be renewed every year.
RoleNameCompanyBusiness city
SitemanagerJimmy Ng
JointownerJimmy NgBrooklyn, Ny
JointownerJohnny NgBrooklyn, Ny
AgentJimmy NgNOT APPLICABLEBrooklyn, Ny

Source: HPD Multiple Dwelling Registrations — city dataset updated 2026-11-04; data as of 2026-11-04; HPD Registration Contacts — city dataset updated 2026-10-28; data as of 2026-11-04

HPD housing-code violations 19 open of 24

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.

StatusClassIssuedAptCondition
Open
Not Complied With · 2012-05-09
B2012-04-062RSECTION 27-2018 ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF ROACHES LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH
Open
Not Complied With · 2012-05-09
B2012-04-062RSECTION 27-2018 ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF BEDBUGS LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH
Open
Not Complied With · 2012-05-09
C2012-04-062RSECTION 27-2043.1 HMC INSTALL THE MISSING OR REPAIR/REPLACE THE DEFECTIVE WINDOW GUARD(S) IN ACCORDANCE WITH THE SPECIFICATIONS OF THE NEW YORK CITY HEALTH CODE SECTION 24 RCNY CHAPTER 12. WG TO INSTALL = 6; WG TO REPLACE = 0; WG TO REPAIR = 0; LOCATED AT APT
Open
Not Complied With · 2012-05-09
B2012-04-062RSECTION 27-2005, 2007 ADM CODE ARRANGE AND MAKE SELF-CLOSING THE DOORS TO APARTMENT IN THE ENTRANCE LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH
Open
Nov Sent Out · 2009-08-04
B2009-08-04SECTION 27-2005 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF SUSPENDED DROP CEILING CELLAR THRU OUT.
Open
Nov Sent Out · 2009-08-04
B2009-08-041FSECTION 27-2005 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF EVIDENCE OF CONCEALED LEAK CEILING BATHROOM 1 STY FRONTWEST APT 1F , SECTION '' ''
Open
Nov Sent Out · 2009-08-04
B2009-08-041SECTION 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR CEILING BATHROOM 1 STY SOUTH APT 1. LOCATED AT APT 1
Open
Nov Sent Out · 2009-08-04
B2009-08-04SECTION 27-2081 ADM CODE DISCONTINUE USE OF ROOMS FOR LIVING, DISCONNECT PLUMBING FIXTURES AND PROPERLY SEAL PIPE CONNECTIONS CELLAR REAR.
Open
Nov Sent Out · 2009-08-04
B2009-08-041SECTION 27-2045, 2046 ADM CODE PROVIDE AN APPROVED AND OPERATIONAL SMOKE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH DEPARTMENT OF BUILDINGS RULES AND REGULATIONS MISSING 1 STY SOUTH APT 1. LOCATED AT APT 1
Open
Nov Sent Out · 2009-08-04
B2009-08-041FSECTION 27-2045, 2046 ADM CODE PROVIDE AN APPROVED AND OPERATIONAL SMOKE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH DEPARTMENT OF BUILDINGS RULES AND REGULATIONS MISSING 1 STY FRONT WEST APT 1F , SECTION '' ''
Open
Nov Sent Out · 2009-08-04
C2009-08-04SECTION 27-2033 ADM CODE PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM CELLAR DOOR LOCKED.
Open
Nov Sent Out · 2009-08-04
B2009-08-041FSECTION 27-2005 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF EVIDENCE OF CONCEALED LEAK CEILING NEAR HEAT RISER FRONT ROOM 1 STY FRONT WEST APT 1F , SECTION '' ''
Open
Nov Sent Out · 2009-08-04
C2009-08-04SECTION 27-2033 ADM CODE POST NOTICE, IN FORM APPROVED BY THE DEPARTMENT, STATING THE NAME AND LOCATION OF THE PERSON DESIGNATED BY THE OWNER TO HAVE KEY TO BUILDINGS HEATING SYSTEM 1 STY PUBLIC HALL AND ON BOILER ROOM DOOR.
Open
Nov Sent Out · 2009-08-04
B2009-08-041FSECTION 27-2005 ADM CODE PROPERLY SECURE THE LOOSE WASHBASIN BATHROOM 1 STY FRONT WEST APT 1F , SECTION '' ''
Open
Nov Sent Out · 2009-08-04
B2009-08-04SECTION 27-2081 ADM CODE DISCONTINUE USE OF ROOMS FOR LIVING, DISCONNECT PLUMBING FIXTURES AND PROPERLY SEAL PIPE CONNECTIONS CELLAR FRONT.
Open
Nov Sent Out · 2009-08-04
B2009-08-041FSECTION 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR CEILING BATHROOM 1 STY FRONTWEST APT 1F , SECTION '' ''
Open
Nov Sent Out · 2009-08-04
B2009-08-041FSECTION 27-2005 ADM CODE REPLACE WITH NEW THE BROKEN OR DEFECTIVE METAL BASE CABINET UNDER SINK KITCHEN 1 STY FRONT WEST APT 1F , SECTION '' ''
Open
Nov Sent Out · 2009-08-04
B2009-08-041FSECTION 27-2018 ADM CODE ABATE THE NUISANCE CONSISTING OF VERMIN ROACHES 1 STY FRONT WEST APT 1F , SECTION '' ''
Open
Nov Sent Out · 2009-08-04
B2009-08-04SECTION 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE MASONRY WALLS BOILER ROOM CELLAR CENTER.
Closed
Violation Dismissed · 2026-05-11
A2026-05-04(A) § HMC: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.

Showing 20 of 24 records — open violations are listed first; the API lists every one. The API and the source dataset have the full list.

Source: HPD Housing Maintenance Code Violations — city dataset updated 2026-11-02; data as of 2026-11-04

HPD complaints 1

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.

ReceivedStatusAptProblem(s)Outcome
2019-05-17CLOSEBLDGPlumbing – Water SupplyThe Department of Housing Preservation and Development inspected the following conditions. No violations were issued. The complaint has been closed.

Source: HPD Housing Maintenance Code Complaints and Problems — city dataset updated 2026-11-02; data as of 2026-11-04

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 2026-11-04; data as of 2026-11-04

Nearby properties

On Ave U

Same tax block (7095)

All properties on Ave U, Brooklyn · All of Brooklyn 11223 (Gravesend (East)-Homecrest)

Open-item counts as of October 31, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · Plain text · API & MCP docs