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1236 Avenue U, Brooklyn, NY 11229

BBL 3073450004 (Borough 3, Block 7345, Lot 4) · BIN 3199434 · Last updated:

Also recorded in city data as: 1236a Ave U

Summary · as of October 31, 2026

1236 Avenue U (Brooklyn, NY 11229; tax lot BBL 3073450004) is a 1-unit mixed-use building with apartments and ground-floor commercial space (building class S1: mixed-use: one-family home with one store or office), built around 1927, on a 2,000 sq ft lot zoned R5. City tax records list the owner as BOLPLAST, LLC; per ACRIS, a deed to this owner dated January 5, 2015 lists a price of $1,260,000. The Department of Finance's final market value for tax year 2027 is $1,565,000. As of October 31, 2026, NYC Open Data shows two active DOB violations. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)

Owner of record
BOLPLAST, LLC
Building class
S1 · Mixed-use: one-family home with one store or office
Year built · units
1927 · 1 res.
Lot area · zoning
2,000 sq ft · R5
Market value (DOF)
$1,565,000 FY2027
Last priced deed
$1,260,000 · 2015-01-05
BBL
3073450004
BIN
3199434

How to cite: NYC Property Facts, “1236 Avenue U, Brooklyn, NY 11229 (BBL 3073450004)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/1236-avenue-u-3073450004. 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)
BOLPLAST, LLCThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
Building class
S1 – Mixed-use: one-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.
Floors
2
Units
1 residential / 2 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
2,480 sq ft (incl. 1,240 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)
1.24 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 3073450004 (Borough 3, Block 7345, Lot 4) · BIN 3199434BBL 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)
$1,565,000The 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
$93,900The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$44,179Assessed 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$1,565,000$93,9001
2026Final$1,469,000$88,1401
2025Final$1,160,000$69,6001

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
2015-01-05DEED$1,260,0001236 Avenue U Corp.Bolplast, Llc2015010700752001
2007-10-10DEED$0 / not statedRosemberg, Frank1236 Avenue U Corp2007122101278001
1996-01-31DEED$0 / not statedOlszak, EleizerRosemberg, FrankFT_3000005193800
1995-03-10DEED$0 / not statedOlsaki, EleizerRosenberg, FrankFT_3740004759674

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 2

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 · 2015-06-10
340226473
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2015-01-24$60,000
Not open
SIGNED OFF · 1999-10-25
300678087
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)1997-10-22$15,000

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 6

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
2015-03-122015-12-15340226473
BIS
Equipment work / Other / general constructionISSUED (renewal)
2015-02-062015-03-06340226473
BIS
Equipment work / Other / general constructionISSUED (initial)
2015-02-062016-02-06340226473
BIS
Plumbing / PlumbingISSUED (initial)
1997-12-081998-12-08300678087
BIS
Plumbing / PlumbingISSUED (initial)
1997-11-141998-08-11300678087
BIS
Equipment work / Mechanical/HVACISSUED (initial)
1997-11-141998-08-11300678087
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 11

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
2019-11-08LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDVIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2017 INSPECTION REPORTV110819LBLVIO07726
Active
V-DOB VIOLATION - ACTIVE
2018-04-06LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDVIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2016 INSPECTION REPORTV040618LBLVIO09746
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2015-03-03LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDVIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2013 INSPECTION REPORTV*030315LBLVIO07889
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2014-05-15LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDVIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2012 INSPECTION REPORTV*051514LBLVIO14045
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2013-03-01LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDVIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2011 INSPECTION REPORTV*030113LBLVIO11614
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2005-01-31LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV*013105LL629114191
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
1999-03-16LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV*031699LL629124131
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
1997-09-16LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV*091697LL6291248165
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
1995-08-29LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV*082995LL629127545
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
1994-06-01LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV*060194LL629109761
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
1993-06-01LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV*060193LL629109760

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

ECB violations (DOB) 0 active of 0

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.

No records found in this dataset for this lot.

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

OATH tickets (all agencies) 0 unpaid of 7

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 #
No balance due
PAID IN FULL
2021-07-20Dos - Enforcement AgentsSTORAGE OF RECEPTACLESBOLPLAST LLC$100 / $100 / $0047235698K
No balance due
PAID IN FULL
2018-10-12Dos - Enforcement AgentsRECYC PLACED FOR COLLECTION W NON-RECYC 1 TO 8 DWELLING UNITSBOLPLAST$25 / $25 / $0042076728P
No balance due
PAID IN FULL
2016-11-17Sanitation DeptLOOSE RUBBISHBOLPLAST$100 / $100 / —044521396N
No balance due
PAID IN FULL
2015-08-16IMPROPER DISPOSAL BEDDING 1ST OFFENSEBOLPLAST LLC$100 / $100 / —0188037410
No balance due
WRITTEN OFF · WRITTEN OFF
2013-12-17Sanitation PoliceSTORAGE OF RECEPTACLES1236 AVENUE U CORP$300 / $0 / $0040564977X
No balance due
WRITTEN OFF · WRITTEN OFF
2011-02-26Dos - Enforcement AgentsMAINTAINING RECEPTACLES1236 AVENUE U CORP$100 / $0 / $0041824527N
No balance due
PAID IN FULL
2010-01-20Dos - Enforcement AgentsNOXIOUS LIQUIDSTANG$100 / $100 / —041672087Z

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.

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 2026-10-28; 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 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 2026-11-02

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 2026-11-02; 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 (7345)

All properties on Ave U, Brooklyn · All of Brooklyn 11229 (Madison)

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