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89 Avenue U, Brooklyn, NY 11223

BBL 3070960047 (Borough 3, Block 7096, Lot 47) · BIN 3190966 · Last updated:

Summary · as of October 31, 2026

89 Avenue U (Brooklyn, NY 11223; tax lot BBL 3070960047) is a 5-unit mixed-use building with apartments and ground-floor commercial space (building class S5: mixed-use: five- or six-family home with one store or office), built around 1928, on a 2,000 sq ft lot zoned R5B. City tax records list the owner as MASTELLONE MARIO; per ACRIS, a deed to this owner dated April 27, 2004 lists a price of $775,000. The Department of Finance's final market value for tax year 2027 is $1,123,000. As of October 31, 2026, NYC Open Data shows two active DOB violations, 33 open HPD violations and one OATH ticket with an unpaid balance. There were no 311 requests in the past 12 months and two HPD complaints since 2019. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)

Owner of record
MASTELLONE MARIO
Building class
S5 · Mixed-use: five- or six-family home with one store or office
Year built · units
1928 · 5 res.
Lot area · zoning
2,000 sq ft · R5B
Market value (DOF)
$1,123,000 FY2027
Last priced deed
$775,000 · 2004-04-27
BBL
3070960047
BIN
3190966

How to cite: NYC Property Facts, “89 Avenue U, Brooklyn, NY 11223 (BBL 3070960047)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/89-avenue-u-3070960047. 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)
MASTELLONE MARIOThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
Building class
S5 – Mixed-use: five- or six-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
1928Often an estimate for older buildings.
Floors
3
Units
5 residential / 6 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
1
Lot size
2,000 sq ft (20 ft × 100 ft)
Building floor area
4,800 sq ft (incl. 800 sq ft commercial)
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)
2.40 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 3070960047 (Borough 3, Block 7096, Lot 47) · BIN 3190966BBL 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 2026-11-02; 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)
$1,123,000The 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
$505,350The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$154,985Assessed value minus any exemptions.
Tax class
Tax class 2A – residential rental, 4–6 units
Tax yearRollMarket valueAssessed valueTax class
2027Final$1,123,000$505,3502A
2026Final$936,000$421,2002A
2025Final$780,000$351,0002A

Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; data as of 2026-11-02

Sales & deed history 4

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
2004-04-27DEEDO$775,000Cacciatore, Santa; Cacciatore, AngeloMastellone, Kathleen; Mastellone, Mario2004042901437001
1978-08-29DEED$0 / not statedA & S Cacciatore Rlty CorpCacciatore Angelo; Cacciatore SantaBK_7830101501705
1978-08-02DEED$0 / not statedMarsilla Giovanni; Difede Rosa; Difede Antonio; Marsilla MariaA & S Cacciatore Rlty CorpBK_7830101000093
1972-03-09DEED$0 / not statedVasile Giovannina; Vasile SalvatoreMarsilla Giovanni; Difede Rosa; Difede Antonio; Marsilla MariaBK_7230054300846

Source: ACRIS Real Property Master — city dataset updated 2026-10-08; data as of 2026-11-02; ACRIS Real Property Legals — city dataset updated 2026-10-08; data as of 2026-11-02; ACRIS Real Property Parties — city dataset updated 2026-10-08; data as of 2026-11-02

DOB job filings 0 open of 1

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
Not open
SIGNED OFF · 2011-10-24
320305228
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2011-05-11$33,560

Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-11-01; data as of 2026-11-02; DOB Job Application Filings (BIS) — city dataset updated 2026-10-30; data as of 2026-10-31

Work permits 2

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
2011-05-172012-04-20320305228
BIS
Construction equipment (scaffold, fence, shed) / Construction equipmentISSUED (initial)
2011-05-172012-04-20320305228
BIS
Equipment work / Other / general constructionISSUED (initial)

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

DOB violations 2 active of 3

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
Active
V-DOB VIOLATION - ACTIVE
2014-05-15LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDVIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2012 INSPECTION REPORTV051514LBLVIO09760
Active
V-DOB VIOLATION - ACTIVE
2013-03-01LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDVIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2011 INSPECTION REPORTV030113LBLVIO11539
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2005-01-31LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV*013105LL629114108

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

ECB violations (DOB) 0 active of 2

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
2010-06-18CLASS - 2FAILURE TO COMPLY W/THE COMMISSIONER'S ORDER TO FILE A COFC WITH THE DOB.FAILURE TO FILE A COFC FOR PREVIOUSLY ISSUED ECB#34739222M ISSUED ON 3/14/2009 FOR WORK W/O A PERMIT @ BSMT LEVEL.REM:FILE A COFC$800 / $800 / $034861205J
Resolved
Hearing: DEFAULT · Certification: CERTIFICATE ACCEPTED
2009-05-14CLASS - 3WORK W/O A PERMIT: WORK NOTED: IN BASEMENT MIDSPAN SHEETROCK PARTITIONWORK & AT REAR. REMEDY: OBTAIN PERMIT OR RESTORE TO PRIOR LEGAL CONDITION.$500 / $500 / $034739222M

Source: DOB ECB Violations — city dataset updated 2026-10-31; data as of 2026-11-02

OATH tickets (all agencies) 1 unpaid of 37

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
DOCKETED · DEFAULTED
2025-10-14Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREETMASTELLONE MARIO$300 / $0 / $300049416000P
Hearing pending
NEW ISSUANCE
2026-09-12Police DepartmentOPEN CONTAINER CONSUMPTION OF ALCOHOL ON STREETSESCALONA$25 / $0 / $250222253992
Hearing pending
NEW ISSUANCE
2026-09-12Police DepartmentOPEN CONTAINER CONSUMPTION OF ALCOHOL ON STREETSMELCHOR$25 / $0 / $250222253983
No balance due
PAID IN FULL
2025-12-22Sanitation OthersDIRTY SIDEWALKMASTELLONE MARIO$50 / $50 / $0049416140R
No balance due
PAID IN FULL
2024-07-10Sanitation OthersSTORAGE OF RECEPTACLES PLACED OUT PRIOR TO 8PM WITHOUT A RECEPTACLEMASTELLONE MARIO$50 / $50 / $0048558620N
Hearing pending
NEW ISSUANCE
2024-04-30Sanitation PiuSPILLAGE FROM A MOTOR VEHICLE 1ST OFFENSEBURRIESCI$200 / $0 / $200047321589M
Hearing pending
NEW ISSUANCE
2024-03-14Sanitation OthersIMPROPER DISPOSAL--BEDDING 1ST OCCURRENCEMASTELLONE MARIO$50 / $0 / $50048267280X
No balance due
PAID IN FULL
2023-12-08Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREETMASTELLONE MARIO$50 / $50 / $0048100699K
No balance due
PAID IN FULL
2023-05-18Sanitation OthersFAILURE TO PROPERLY PUT RECYCS OUT FOR COLLECTION 1TO8DWELLING UNITSMASTELLONE MARIO$25 / $25 / $0047711870H
No balance due
PAID IN FULL
2021-12-15Dos - Enforcement AgentsSTORAGE OF RECEPTACLES 1ST OCCURRENCEMASTELLONE MARIO$50 / $50 / $0047112966H
No balance due
PAID IN FULL
2021-12-14Dos - Enforcement AgentsSTORAGE OF RECEPTACLES 1ST OCCURRENCEMASTELLONE MARIO$50 / $50 / $0047188584N
No balance due
PAID IN FULL
2021-07-22Sanitation OthersIMPROPER DISPOSAL BEDDING 1ST OFFENSEMASTELLONE MARIO$100 / $100 / $0047262258K

Showing 12 of 37 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 2026-11-02

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
196155
Last registered
2025-10-09
Registration valid until
2026-09-01 ExpiredRegistrations must be renewed every year.
RoleNameCompanyBusiness city
AgentKathleen MastelloneBrooklyn, Ny
JointownerKathleen MastelloneHightstown, Nj
HeadofficerKathleen MastelloneBrooklyn, Ny
JointownerMario MastelloneBklyn, Ny
JointownerMario MastelloneHightstown, Nj
OfficerMario MastelloneBrooklyn, Ny
SitemanagerMario Mastellone

Source: HPD Multiple Dwelling Registrations — city dataset updated 2026-10-28; data as of 2026-11-02; HPD Registration Contacts — city dataset updated 2026-10-28; data as of 2026-11-02

HPD housing-code violations 33 open of 44

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
Nov Sent Out · 2010-04-05
A2010-04-052RSECTION 27-2005 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE BELL BUZZER FROM APARTMENT TO BUILDING ENTRANCE DOOR IN THE KITCHEN LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH
Open
Nov Sent Out · 2010-04-05
A2010-04-052RSECTION 27-2005 ADM CODE REPLACE WITH NEW THE MISSING ESCUTCHEON PLATE AT RISER IN THE BATHROOM LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH
Open
Nov Sent Out · 2010-04-05
A2010-04-052RSECTION 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOOD FLOOR IN THE 3rd ROOM FROM NORTH LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH
Open
Nov Sent Out · 2010-04-05
A2010-04-052RSECTION 27-2041 ADM CODE PROVIDE A PEEP HOLE IN ENTRANCE DOOR OF THE DWELLING UNIT SO LOCATED SO AS TO PERMIT A PERSON INSIDE THE DWELLING TO VIEW ANY PERSON OUTSIDE ENTRANCE DOOR ... IN THE ENTRANCE LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM WEST AT NOR
Open
Nov Sent Out · 2010-04-05
B2010-04-052RSECTION 27-2046.1, 2046.2 HMC: PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES. IN THE ENTIRE APARTMENT LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH
Open
Nov Sent Out · 2010-04-05
A2010-04-052RSECTION 27-2005 ADM CODE REPLACE WITH NEW THE MISSING ESCUTCHEON PLATE AT RISER IN THE 1st ROOM FROM NORTH LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH
Open
Nov Sent Out · 2010-04-05
B2010-04-052RSECTION 27-2005 ADM CODE REPLACE WITH NEW THE MISSING ELECTRICAL OUTLET PLATE AT WEST WALL IN THE PRIVATE HALLWAY LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH
Open
Nov Sent Out · 2010-04-05
A2010-04-052RSECTION 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOOD FLOOR IN THE 1st ROOM FROM NORTH LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH
Open
Nov Sent Out · 2010-04-05
B2010-04-05SECTION 27-2005 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE STAIR RISER AT 3RD STEP UP FROM LANDING AT PUBLIC HALL STAIRS, 1st STORY
Open
Nov Sent Out · 2010-04-05
B2010-04-052RSECTION 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR CEILING IN THE BATHROOM LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH
Open
Nov Sent Out · 2010-03-22
B2010-03-222RSECTION 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR CEILING IN THE 2nd ROOM FROM NORTH LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH
Open
Nov Sent Out · 2010-03-22
B2010-03-222RSECTION 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR MISSING LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH
Open
Nov Sent Out · 2010-03-22
B2010-03-222RSECTION 27-2005 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE INTERCOM SYSTEM AT BUILDING ENTRANCE DOOR IN THE ENTIRE APARTMENT LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH
Open
Nov Sent Out · 2010-03-22
A2010-03-222RSECTION 27-2041 ADM CODE PROVIDE A PEEP HOLE IN ENTRANCE DOOR OF THE DWELLING UNIT SO LOCATED SO AS TO PERMIT A PERSON INSIDE THE DWELLING TO VIEW ANY PERSON OUTSIDE ENTRANCE DOOR ... IN THE ENTRANCE LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM WEST AT NOR
Open
Nov Sent Out · 2010-03-22
B2010-03-222RSECTION 27-2046.1, 2046.2 HMC: PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES. LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH
Open
Nov Sent Out · 2010-03-22
B2010-03-222RSECTION 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR CEILING IN THE ENTIRE APARTMENT LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH
Open
Nov Sent Out · 2010-03-22
B2010-03-222RSECTION 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOOD FLOOR IN THE 1st ROOM FROM NORTH LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH
Open
Nov Sent Out · 2010-03-22
B2010-03-222RSECTION 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOOD FLOOR IN THE 2nd ROOM FROM NORTH LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH
Open
Nov Sent Out · 2009-09-11
C2009-09-113FSECTION 27-2056.6 ADM CODE - CORRECT THE LEAD-BASED PAINT HAZARD - PRESUMED LEAD PAINT THAT IS PEELING OR ON A DETERIORATED SUBSURFACE USING WORK PRACTICES SET FORTH IN 28 RCNY ?11-06(B)(2) 1st WINDOW FRAME FROM EAST AT SOUTH WALL IN THE 4th ROOM FROM NORTH AT
Open
Nov Sent Out · 2009-09-11
C2009-09-113FSECTION 27-2056.6 ADM CODE - CORRECT THE LEAD-BASED PAINT HAZARD - PRESUMED LEAD PAINT THAT IS PEELING OR ON A DETERIORATED SUBSURFACE USING WORK PRACTICES SET FORTH IN 28 RCNY ?11-06(B)(2) WEST WALL IN THE 4th ROOM FROM NORTH AT WEST LOCATED AT APT 3F, 3rd ST

Showing 20 of 44 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 2026-11-02

HPD complaints 2

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
2023-02-16CLOSE3RHeat/Hot Water – Apartment OnlyThe Department of Housing Preservation and Development contacted an occupant of the apartment and verified that the following conditions were corrected. The complaint has been closed. If the condition
2022-06-30CLOSE2FUnsanitary Condition – PestsThe 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

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

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 2026-11-02; data as of 2026-11-02

Nearby properties

On Ave U

Same tax block (7096)

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