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4103 Avenue U, Brooklyn, NY 11234

BBL 3085410009 (Borough 3, Block 8541, Lot 9) · BIN 3241900, 3241901 · Last updated:

Also recorded in city data as: 4101 Ave U

Summary · as of October 31, 2026

4103 Avenue U (Brooklyn, NY 11234; tax lot BBL 3085410009) is a 2-unit store building (building class K4: store building (subtype K4)), built around 1931, on a 4,000 sq ft lot zoned R4. City tax records list the owner as 4101 AVE U LLC; per ACRIS, a deed to this owner dated May 13, 2022 lists a price of $1,210,000. The Department of Finance's final market value for tax year 2027 is $903,000. As of October 31, 2026, NYC Open Data shows one DOB job with a permit issued but no sign-off, one active ECB violation and six OATH tickets with an unpaid balance. There were five 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
4101 AVE U LLC
Building class
K4 · Store building
Year built · units
1931 · 2 res.
Lot area · zoning
4,000 sq ft · R4
Market value (DOF)
$903,000 FY2027
Last priced deed
$1,210,000 · 2022-05-13
BBL
3085410009
BIN
3241900, 3241901

How to cite: NYC Property Facts, “4103 Avenue U, Brooklyn, NY 11234 (BBL 3085410009)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/4103-avenue-u-3085410009. 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)
4101 AVE U LLCThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
Building class
K4 – Store building (subtype K4)The 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
1931Often an estimate for older buildings.
Floors
2
Units
2 residential / 4 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
2
Lot size
4,000 sq ft (40 ft × 100 ft)
Building floor area
5,500 sq ft (incl. 3,640 sq ft commercial)
Zoning
R4, C2-2The 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)
1.38 built / 1.00 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 3085410009 (Borough 3, Block 8541, Lot 9) · BIN 3241900, 3241901BBL 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)
$903,000The 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
$406,350The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$367,020Assessed value minus any exemptions.
Tax class
Tax class 4 – commercial / industrial
Tax yearRollMarket valueAssessed valueTax class
2027Final$903,000$406,3504
2026Final$845,000$380,2504
2025Final$818,000$368,1004

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
2022-05-13DEED$1,210,000Forman Coleman, Llc4101 Ave U Llc2022052500867001
2013-06-28DEED$475,000
one deed covering 2 lots; price is for all of them
Joy S. Bunch, Esq, As RefereeForman Coleman Llc2013070801374001
2006-09-29DEED$1,450,000
one deed covering 2 lots; price is for all of them
Theodora Mannino As Co-Trustee Under The Revocable; Anthony Mannino Sr. As Co-Trustee Under The RevocaJs Fan Holding Co. Inc.2006101301462002
1992-07-29DEED$0 / not statedMannino, Anthony; Mannino, Theodora AMannino, Theodora/Co-Tr; Mannino,Anthony Sr/Co-TrFT_3220001713022
1979-04-13DEED$0 / not stated4105 Avenue U CorpMannino AnthonyBK_7930106600706
1977-11-28DEED$0 / not statedRispoli Elvira; Buonocore Andrew4105 Ave U CorpBK_7730096001160

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 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 - ENTIRE JOB/WORK · 2017-01-25
321466463
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2016-11-09$2,000
Not open
PLAN EXAM - DISAPPROVED · 2019-10-31
322002426
BIS
A3 – Minor alteration (one type of work)2019-10-28$4,500
Not open
PLAN EXAM - DISAPPROVED · 2019-10-30
322002435
BIS
A3 – Minor alteration (one type of work)2019-10-28$6,500
Not open
APPLICATION PROCESSED - ENTIRE · 2019-08-05
340691166
BIS
A3 – Minor alteration (one type of work)2019-08-05$4,500
Not open
PLAN EXAM - DISAPPROVED · 2017-02-03
321518880
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2017-02-01$10,000

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 3

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
2017-02-172017-09-17321483596
BIS
SignISSUED (initial)
2017-01-252018-01-25321466463
BIS
Plumbing / PlumbingISSUED (initial)
2016-01-282016-07-02321295111
BIS
SignISSUED (initial)

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
2017-03-07C-CONSTRUCTION OTHER OPTIONALV*030717C1809RH
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2017-03-07C-CONSTRUCTION OTHER OPTIONALV*030717C1808RH

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

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: WRITTEN OFF · Certification: CERTIFICATE ACCEPTED
Written off refers to the penalty, not the violation.
1993-07-30Non-HazardousDEPT. OF TRANSPORTATION PERMIT NOTED POSTED. UPON INSPECTION CONTAINERIN STREET IN FRONT OF 4101 AVE U DEBRIS FROM BSMT. OF INTERIOR ALT. NO DOT PERMIT FOR CONTAINER. REMEDY:PERMIT FOR CONTAINER IN STREET.$350 / $0 / $034092344X
Active
Hearing: IN VIOLATION · Certification: NO COMPLIANCE RECORDED
2020-03-26CLASS - 2SEC. 3302.2.2.4 VEHICULAR ACCESS CURB CUTS THAT CAN NO LONGER SERVE ASVEHICULAR ACCESS ACROSS A CURB OR SIDEWALK SHALL BE REMOVED & RESTOREDIN ACCORDANCE W/DOT SPECIFICATIONS. NOTED AT TIME OF INSPECTION AT THE$1,250 / $1,250 / $035478123K
Resolved
Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED
2007-02-23Non-HazardousALTERED BLDG OCCUPIED W/O A VALID C OF O. NOTED: AT ABOVE PREMISES UNDER C OF O #37365 1 STORE ON 1ST FL, 2ND FL IS A DWELLING UNDER DISAPPROVAL APPL #301921776 IS NOW A NAIL-SALON/ SPA/ HAIR SALON/ ON ALL FLS.$350 / $545 / $034564514M

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

OATH tickets (all agencies) 6 unpaid of 48

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
2026-03-24Sanitation OthersIMPROPER RECEPTACLE NON-RESIDENTIAL 1STBABY GEAR EXPO INC$300 / $0 / $300049630024R
Unpaid balance Default
DOCKETED · DEFAULTED
2025-10-02Sanitation OthersIMPROPER DISPOSAL - 1ST OFFENSEHASSAN$75 / $0 / $75049213571Z
Unpaid balance Default
DOCKETED · DEFAULTED
2025-06-17Dos - Enforcement AgentsDIRTY SIDEWALK4101 AVE U LLC$300 / $0 / $300049220051K
Unpaid balance Default
DOCKETED · DEFAULTED
2023-11-30Sanitation OthersSTORAGE OF RECEPTACLES NON-COLLECTION DAY4101 AVE U LLC$300 / $0 / $300048078256N
Unpaid balance Default
DOCKETED · DEFAULTED
2023-03-20Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREET4101 AVE U LLC$300 / $0 / $300047768822K
Unpaid balance Default
DOCKETED · DEFAULTED
2022-02-19Sanitation OthersSTORAGE OF RECEPTACLES 1ST OCCURRENCEFORMAN COLEMAN LLC$300 / $0 / $300047277778X
No balance due Default
PAID IN FULL · DEFAULTED
2026-03-30Sanitation OthersIMPROPER RECEPTACLE NON-RESIDENTIAL 1STBABY GEAR EXPO INC$80 / $80 / $0049630044Y
No balance due Default
PAID IN FULL · DEFAULTED
2024-10-28Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREET4101 AVE U LLC$80 / $80 / $0048595477M
No balance due
PAID IN FULL · SETTL IN-VIO
2024-09-27Sanitation OthersDIRTY SIDEWALK4101 AVE U LLC$300 / $175 / $0048595424Z
No balance due
PAID IN FULL · SETTL IN-VIO
2024-08-20Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREET4101 AVE U LLC$300 / $177 / $0048419755K
No balance due
PAID IN FULL · SETTL IN-VIO
2024-08-09Sanitation OthersDIRTY SIDEWALK4101 AVE U LLC$300 / $177 / $0048419734L
No balance due Default
PAID IN FULL · DEFAULTED
2024-07-29Sanitation OthersDIRTY SIDEWALK4101 AVE U LLC$300 / $300 / $0048419715X

Showing 12 of 48 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.

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 2026-11-04; HPD Registration Contacts — city dataset updated 2026-10-28; data as of 2026-11-04

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 2026-11-02; data as of 2026-11-04

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
2019-06-30CLOSEBLDGUnsanitary Condition – Garbage/Recycling StorageThe Department of Housing Preservation and Development inspected the following conditions. No violations were issued. The complaint has been closed.
2019-06-23CLOSEBLDGUnsanitary Condition – Garbage/Recycling StorageThe 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) 5

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
2026-06-17DOTStreet Condition – PotholeClosed2026-06-18
2026-03-17DSNYCommercial Disposal Complaint – Waste DisposalClosed2026-03-17
2026-02-03DSNYSnow or Ice – SidewalkClosed2026-02-06
2026-02-02DSNYSnow or Ice – SidewalkClosed2026-02-06
2026-01-26DSNYSnow or Ice – Snow TrackingClosed2026-01-26

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 (8541)

All properties on Ave U, Brooklyn · All of Brooklyn 11234 (Marine Park-Mill Basin-Bergen Beach)

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