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1804 Avenue U, Brooklyn, NY 11229

BBL 3073510002 (Borough 3, Block 7351, Lot 2) · BIN 3199695 · Last updated:

Summary · as of November 5, 2026

1804 Avenue U (Brooklyn, NY 11229; tax lot BBL 3073510002) is a 2-unit mixed-use building with apartments and ground-floor commercial space (building class S2: mixed-use: two-family home with one store or office), built around 1927, on a 1,950 sq ft lot zoned R5. City tax records list the owner as TIAN YI PROPERTY LLC; per ACRIS, a deed to this owner dated March 5, 2026 lists a price of $2,000,000. The Department of Finance's final market value for tax year 2027 is $1,743,000. As of November 5, 2026, NYC Open Data shows one open HPD violation. 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
TIAN YI PROPERTY LLC
Building class
S2 · Mixed-use: two-family home with one store or office
Year built · units
1927 · 2 res.
Lot area · zoning
1,950 sq ft · R5
Market value (DOF)
$1,743,000 FY2027
Last priced deed
$2,000,000 · 2026-03-05
BBL
3073510002
BIN
3199695

How to cite: NYC Property Facts, “1804 Avenue U, Brooklyn, NY 11229 (BBL 3073510002)”, data as of 2026-11-05, https://nycpropertyfacts.com/ny/brooklyn/1804-avenue-u-3073510002. 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)
TIAN YI PROPERTY LLCThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
Building class
S2 – Mixed-use: two-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
3
Units
2 residential / 3 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
1
Lot size
1,950 sq ft (19.5 ft × 100 ft)
Building floor area
3,744 sq ft (incl. 1,245 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)
1.92 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 3073510002 (Borough 3, Block 7351, Lot 2) · BIN 3199695BBL 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 2026-11-05; 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)
$1,743,000The 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
$104,580The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$47,477Assessed 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$1,743,000$104,5801
2026Final$1,667,000$100,0201
2025Final$1,479,000$88,7401

Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; data as of 2026-11-05

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
2026-03-05DEED$2,000,000Hoo, SalvatoreTian Yi Property Llc2026031200589001
2025-09-30DEED$0 / not statedJohn Hoo Revocable Trust; Salvatore Hoo, TrusteeHoo, Salvatore2025102100645001
2025-09-30DEED$0 / not statedEstate Of John Hoo; Salvatore Hoo, ExecutorJohn Hoo Revocable Trust; Salvatore Hoo, Trustee2025100701068001
1973-08-23DEED$0 / not statedEtruscan Estates IncHoo John; Hoo Yuk KiewBK_7330065401249
1972-04-21DEED$0 / not statedWelter Doris G; Villany Lois; Mc Connell Ruth E; Agate DianeEtruscan Estates IncBK_7230055200371
1971-10-26DEED$0 / not statedTravers Mary E Exr OfVillany Lois; Mc Connell Ruth E; Welter Doris G; Abate DianeBK_7130051500976

Source: ACRIS Real Property Master — city dataset updated 2026-10-08; data as of 2026-11-05; ACRIS Real Property Legals — city dataset updated 2026-10-08; data as of 2026-11-05; ACRIS Real Property Parties — city dataset updated 2026-10-08; data as of 2026-11-05

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 2026-11-05; DOB Job Application Filings (BIS) — city dataset updated 2026-11-04; data as of 2026-11-05

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
1996-10-181997-06-30300552916
BIS
SignISSUED (initial)
1996-10-181997-06-30300552925
BIS
SignISSUED (initial)

Source: DOB NOW: Build – Approved Permits — city dataset updated 2026-11-02; data as of 2026-11-05; 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
1996-08-12ES-ELECTRIC SIGNS NONEV*081296ES1501N

Source: DOB Violations — city dataset updated 2026-11-02; data as of 2026-11-05

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 2026-11-05

OATH tickets (all agencies) 0 unpaid of 10

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
HEARING COMPLETED · DISMISSED
2024-05-16Police DepartmentRIGHT OF WAY - FAILURE TO YIELD, PHYSICAL INJURYRASULOVA$0 / $0 / $00211654502
No balance due
PAID IN FULL
2023-10-20Sanitation OthersSTORAGE OF RECEPTACLES PLACED OUT PRIOR TO 8PM WITHOUT A RECEPTACLEHOO JOHN$50 / $50 / $0048098781J
No balance due
PAID IN FULL · IN VIOLATION
2020-10-06Mayor'S Office Of Midtown EnfoFAILURE TO TAKE REASONABLE PRECAUTIONS TO PROTECT HEALTH AND SAFETYTJ LIQUOR STORE INC$1,000 / $1,000 / $00195525579
No balance due
WRITTEN OFF · WRITTEN OFF
2016-09-25Sanitation OthersSTORAGE OF RECEPTACLESJOHN$300 / $0 / $00192323010
No balance due Default
PAID IN FULL · DEFAULT
2015-12-14Sanitation DeptIMPROPER MISUSED CURBSIDE RECYCLING CONTAINER 1 TO 8 DWELLING UNITSJOHN$25 / $25 / —042188042R
No balance due
PAID IN FULL
2014-01-31Sanitation DeptIMPROPER USE OF DSNY LITTER BASKETDIMEGLIO$100 / $100 / —041347850Y
No balance due Default
PAID IN FULL · DEFAULT
2001-09-10$150 / $150 / —0125572289
No balance due
PAID IN FULL
2001-06-27$25 / $25 / —0122480189
No balance due
PAID IN FULL
2001-06-27$25 / $25 / —0122480160
No balance due
PAID IN FULL
2001-06-27$25 / $25 / —0122480170

Source: OATH Hearings Division Case Status — city dataset updated 2026-11-02; data as of 2026-11-05

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
195650
Last registered
2026-09-15
Registration valid until
2027-09-01 CurrentRegistrations must be renewed every year.
RoleNameCompanyBusiness city
SitemanagerTian Chen
AgentTian ChenNew York, Ny
CorporateownerTIAN YI PROPERTY LLCBrooklyn, Ny
OfficerRong ChenNew York, Ny
ShareholderTian ChenNew York, Ny
HeadofficerTian ChenNew York, Ny

Source: HPD Multiple Dwelling Registrations — city dataset updated 2026-11-04; data as of 2026-11-05; HPD Registration Contacts — city dataset updated 2026-11-04; data as of 2026-11-05

HPD housing-code violations 1 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
Open
Nov Certified On Time · 2026-10-14
A2026-10-07§ 27-2005 ADMIN. CODE: REPLACE WITH NEW THE MISSING GLASS OF DOOR - VESTIBULE TO 1ST STY. PUBLIC HALL.

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

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 2026-11-05; data as of 2026-11-05

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
2026-02-18DSNYIllegal Dumping – Removal RequestClosed2026-02-22

Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-05; data as of 2026-11-05

Nearby properties

On Ave U

Same tax block (7351)

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

Open-item counts as of November 5, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · Plain text · API & MCP docs