Independent site. Data from NYC Open Data; not affiliated with the City of New York.

NYC Property Factsfree public-records reference

1823 Avenue U, Brooklyn, NY 11229

BBL 3073230041 (Borough 3, Block 7323, Lot 41) · BIN 3198239 · Last updated:

Summary · as of November 6, 2026

1823 Avenue U (Brooklyn, NY 11229; tax lot BBL 3073230041) is a 2-unit mixed-use building with apartments and ground-floor commercial space (building class S9: mixed-use: dwelling with stores or offices, miscellaneous), built around 1925, on a 1,200 sq ft lot zoned R5. City tax records list the owner as 1823 OWNERS LLC; per ACRIS, a deed to this owner dated July 30, 2021 lists a price of $1,365,000. The Department of Finance's final market value for tax year 2027 is $717,000. As of November 6, 2026, NYC Open Data shows one active ECB violation and two OATH tickets with an unpaid balance. 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
1823 OWNERS LLC
Building class
S9 · Mixed-use: dwelling with stores or offices, miscellaneous
Year built · units
1925 · 2 res.
Lot area · zoning
1,200 sq ft · R5
Market value (DOF)
$717,000 FY2027
Last priced deed
$1,365,000 · 2021-07-30
BBL
3073230041
BIN
3198239

How to cite: NYC Property Facts, “1823 Avenue U, Brooklyn, NY 11229 (BBL 3073230041)”, data as of 2026-11-06, https://nycpropertyfacts.com/ny/brooklyn/1823-avenue-u-3073230041. 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)
1823 OWNERS LLCThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
Building class
S9 – Mixed-use: dwelling with stores or offices, miscellaneousThe 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
1925Often an estimate for older buildings.
Floors
2
Units
2 residential / 5 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
1
Lot size
1,200 sq ft (20 ft × 60 ft)
Building floor area
2,400 sq ft (incl. 1,100 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)
2.00 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 3073230041 (Borough 3, Block 7323, Lot 41) · BIN 3198239BBL 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 2026-11-06; 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)
$717,000The 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
$322,650The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$208,260Assessed value minus any exemptions.
Tax class
Tax class 2A – residential rental, 4–6 units
Tax yearRollMarket valueAssessed valueTax class
2027Final$717,000$322,6502A
2026Final$599,000$269,5502A
2025Final$539,000$242,5502A

Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; data as of 2026-11-06

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
2021-07-30DEED$1,365,000Glassman, Oberlander & Tsismenakis, Llc; Oberlander & Tsismenakis Llc1823 Owners Llc2021081100368001
2000-01-01DEED$0 / not statedGlassman, Mervin B; Oberlander, Melvyn S; Tsismenakis, ArtemiosGlassman, Oberlander& Tsismenakis LlcFT_3660007363566
1973-07-26DEED$0 / not statedBrandes Solomon D; Stummer Joseph Decd Exec Of; Brandes SolObie Bros Orchestras & Entertainment IncBK_7330064801661
1973-07-26DEED$0 / not statedObie Bros Orchestras & Entertainment IncTsismenakis Artemius; Oberlander Melvyn S; Glassman Mervin BBK_7330064801659

Source: ACRIS Real Property Master — city dataset updated 2026-10-08; data as of 2026-11-06; ACRIS Real Property Legals — city dataset updated 2026-10-08; data as of 2026-11-06; ACRIS Real Property Parties — city dataset updated 2026-10-08; data as of 2026-11-06

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
Approved · 2023-07-18
B00824024-I1
DOB NOW
Alteration2023-02-08$4,995

Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-11-05; data as of 2026-11-06; DOB Job Application Filings (BIS) — city dataset updated 2026-11-05; data as of 2026-11-06

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 2026-11-05; data as of 2026-11-06; DOB Permit Issuance (BIS) — city dataset updated 2026-10-31; data as of 2026-10-31

DOB violations 0 active of 1

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
2011-12-13LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDVIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2010 INSPECTION REPORTV*121311LBLVIO15299

Source: DOB Violations — city dataset updated 2026-11-05; data as of 2026-11-06

ECB violations (DOB) 1 active of 5

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 #
Active
Hearing: IN VIOLATION · Certification: NO COMPLIANCE RECORDED
2022-06-01CLASS - 1WORK WITHOUT A PERMIT.WORK NOTED:AT 2ND FLOOR LEVEL ERECTED FULL HEIGHT PARTITIONS CREATING TWO UNITS-UNIT#1 WITH 2 ROOMS,UNIT#2 1 ROOM IN BOTH UNITS INSTALLED WATER AND WASTE LINES FOR SHOWERS AND KITCHEN SINK$2,500 / $2,500 / $035643806X
Resolved
Hearing: DISMISSED · Certification: N/A - DISMISSED
2022-06-01CLASS - 1BC 907.2.8 FAILURE TO PROVIDE A FIRE ALARM SYSTEM FOR TRANSIENT USE AT2ND FLOOR LEVEL FOR UNITS#1 AND #2.REM:DISCONTINUE ILLEGAL OCCUPANCY.$0 / $0 / $035643805Y
Resolved
Hearing: DISMISSED · Certification: N/A - DISMISSED
2022-06-01CLASS - 1FAILURE TO MAINTAIN BUILDING IN CODE COMPLIANT MANNER:LACK OF A SYSTEMOF AUTOMATIC SPRINKLER WHERE IS REQUIRED AS PER BC 903.2 AND 27-954 FOR TRANSIENT USE AT 2ND FLOOR LEVEL FOR UNITS#1 AND #2.REM:DISCONTINUE$0 / $0 / $035643804M
Resolved
Hearing: DISMISSED · Certification: N/A - DISMISSED
2022-06-01CLASS - 1FAILURE OT MAINTAIN BUILDING IN CODE-COMPLIANT MANNER.LACK OF REQUIREDNUMBER OF MEANS OF EGRESS FOR EVERY FLOOR PER BC 1018.1(2008 CODE);27-366;BC 1021.1(2014 CODE)FOR TRANSIENT USE AT 2ND FLOOR LEVEL-UNITS#1,A$0 / $0 / $035643803K
Resolved
Hearing: DISMISSED · Certification: N/A - DISMISSED
2022-06-01CLASS - 1OCCUPANCY CONTRARY TO THAT ALLOWED BY THE DEPARTMENT OF BUILDINGS RECORDS.ILLEGAL OCCUPANCY NOTED:AT 2ND FLOOR LEVEL HAS BEEN USED/CONVERTEDAS A CLASS A APARTMENTS-2 APARTMENTS-EACH APARTMENT WITH KITCHEN,COOKI$0 / $0 / $035643802Z

Source: DOB ECB Violations — city dataset updated 2026-11-05; data as of 2026-11-06

OATH tickets (all agencies) 2 unpaid of 63

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
DEFAULTED · DEFAULTED
2026-06-13Sanitation OthersSIDEWALK OBSTRUCTION1823 OWNERS LLC$80 / $0 / $80049879195P
Unpaid balance Default
DOCKETED · DEFAULTED
2026-03-11Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREET1823 OWNERS LLC$300 / $0 / $300049536566K
No balance due
PAID IN FULL
2026-03-16Sanitation OthersIMPROPER RECEPTACLE NON-RESIDENTIAL 1STMETRO BY T-MOBILE$50 / $50 / $0049645124X
No balance due
PAID IN FULL
2025-10-23Sanitation OthersDIRTY SIDEWALK1823 OWNERS LLC$50 / $50 / $0049505504N
No balance due
HEARING COMPLETED · DISMISSED
2024-06-13Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREET1823 OWNERS LLC$0 / $0 / $0048303158H
No balance due
PAID IN FULL
2024-01-22Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREET1823 OWNERS LLC$50 / $50 / $0048228819Z
No balance due
PAID IN FULL
2023-01-20Sanitation OthersDIRTY SIDEWALK1823 OWNERS LLC$50 / $50 / $0047616232H
No balance due
PAID IN FULL
2023-01-20Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREET1823 OWNERS LLC$50 / $50 / $0047616231X
No balance due
PAID IN FULL
2022-09-28Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREET1823 OWNERS LLC$50 / $50 / $0047629248P
No balance due
PAID IN FULL · IN VIOLATION
2022-06-01Dept. Of BuildingsWORK WITHOUT A PERMIT1823 OWNERS LLC$2,500 / $2,500 / $0035643806X
No balance due
HEARING COMPLETED · DISMISSED
2022-06-01Dept. Of BuildingsMISCELLANEOUS VIOLATIONS1823 OWNERS LLC$0 / $0 / $0035643805Y
No balance due
HEARING COMPLETED · DISMISSED
2022-06-01Dept. Of BuildingsFAIL TO MAIMTAIN REQUIRED NUMBER OF MEANS OF EGRESS FOR EVERY FLOOR1823 OWNERS LLC$0 / $0 / $0035643803K

Showing 12 of 63 records. The API and the source dataset have the full list.

Source: OATH Hearings Division Case Status — city dataset updated 2026-11-06; data as of 2026-11-06

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 2026-11-06; HPD Registration Contacts — city dataset updated 2026-11-04; data as of 2026-11-06

HPD housing-code violations 0 open of 1

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
Closed
Violation Closed · 2020-12-29
C2020-12-032§ 27-2029 ADMIN. CODE: PROVIDE AN ADEQUATE SUPPLY OF HEAT FOR THE APARTMENT IN THE ENTIRE APARTMENT LOCATED AT APT 2, 2nd STORY

Source: HPD Housing Maintenance Code Violations — city dataset updated 2026-11-05; data as of 2026-11-06

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 2026-11-06; data as of 2026-11-06

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
2026-08-09DSNYLitter Basket Request – New BasketClosed2026-08-10

Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-06; data as of 2026-11-06

Nearby properties

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

On Ave U

Same tax block (7323)

All properties on Ave U, Brooklyn · All of Brooklyn 11229

Open-item counts as of November 6, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · Plain text · API & MCP docs