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Flatbush Avenue, Brooklyn, NY 11234

BBL 3085911500 (Borough 3, Block 8591, Lot 1500) · BIN 3242375, 3397762, 3397769, 3397766, 3397763, 3397764 · Last updated:

Summary · as of November 6, 2026

Flatbush Avenue (Brooklyn, NY 11234; tax lot BBL 3085911500) is a government building (building class Y4: government / city building (subtype Y4)), built around 1930, on a 2,413,870 sq ft lot zoned M1-1. City tax records list the owner as NATIONAL PARK SERVICE. The Department of Finance's final market value for tax year 2027 is $20,519,000. As of November 6, 2026, NYC Open Data shows no open DOB jobs, active DOB/ECB violations, open HPD violations or unpaid OATH tickets for this lot. There were 19 311 requests 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
NATIONAL PARK SERVICE
Building class
Y4 · Government / city building
Year built · units
1930 · 0 res.
Lot area · zoning
2,413,870 sq ft · M1-1
Market value (DOF)
$20,519,000 FY2027
Last priced deed
—
BBL
3085911500
BIN
3242375, 3397762, 3397769 …

How to cite: NYC Property Facts, “Flatbush Avenue, Brooklyn, NY 11234 (BBL 3085911500)”, data as of 2026-11-06, https://nycpropertyfacts.com/ny/brooklyn/flatbush-avenue-3085911500. 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)
NATIONAL PARK SERVICEThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
Building class
Y4 – Government / city building (subtype Y4)The Department of Finance’s category for what kind of building this is.
Land use
Public facilities & institutionsCity Planning’s broad category of how the lot is used.
Year built
1930Often an estimate for older buildings.
Floors
—
Units
0 residential / 0 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
6
Lot size
2,413,870 sq ft (250 ft × 200 ft)
Building floor area
24,000,000 sq ft (incl. 24,000,000 sq ft commercial)
Zoning
M1-1The zoning district sets what can be built and used here. Manufacturing district.
Built vs. allowed density (FAR)
9.94 built / 0.00 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 3085911500 (Borough 3, Block 8591, Lot 1500) · BIN 3242375, 3397762, 3397769, 3397766, 3397763, 3397764BBL 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)
$20,519,000The 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
$9,233,550The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$9,233,550Assessed value minus any exemptions.
Tax class
Tax class 4 – commercial / industrial
Tax yearRollMarket valueAssessed valueTax class
2027Final$20,519,000$9,233,5504
2026Final$19,921,000$8,964,4504
2025Final$19,341,000$8,703,4504

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

Sales & deed history 0

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.

No records found in this dataset for this lot.

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 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 2026-11-05; 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 0

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).

No records found in this dataset for this lot.

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

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 2026-11-05; data as of 2026-11-06

OATH tickets (all agencies) 0 unpaid of 71

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
2023-04-26Cooling Towers - DohmhDAILY AUTO OR APPROVED ALTERNATIVE WATER TREATMENT PLAN NOT PROVIDED1SNATIONAL PARK SERVICE$0 / $0 / $00881294637
No balance due
HEARING COMPLETED · DISMISSED
2023-04-26Cooling Towers - DohmhNO MAINTENANCE PROGRAM AND PLAN 1ST OFFNATIONAL PARK SERVICE$0 / $0 / $00881294590
No balance due
HEARING COMPLETED · DISMISSED
2023-04-26Cooling Towers - DohmhCOMPL INSPEC NOT CONDUCT,DOC D ONCE EVERY 90 DAYS WHEN TOWER IN USE1STNATIONAL PARK SERVICE$0 / $0 / $00881294619
No balance due
HEARING COMPLETED · DISMISSED
2023-04-26Cooling Towers - DohmhROUTINE MONIT NOT CONDUCT,DOC D AT LEAST ONCE WEEK WHEN TOWER IN USE 1NATIONAL PARK SERVICE$0 / $0 / $00881294600
No balance due
HEARING COMPLETED · DISMISSED
2023-04-26Cooling Towers - DohmhNO RECORDS OF ALL CHEMICALS AND BIOCIDES ADDED 1STNATIONAL PARK SERVICE$0 / $0 / $00881294646
No balance due
HEARING COMPLETED · DISMISSED
2023-04-26Cooling Towers - DohmhLEGIONELLA SAMP NOT COLLECT ANALYZE RESULTS NOT RECD REPORT TO DEPT 1NATIONAL PARK SERVICE$0 / $0 / $00881294655
No balance due
HEARING COMPLETED · DISMISSED
2023-04-26Cooling Towers - DohmhTWICE YEARLY OR OTHER REQUIRED CLEANING NOT CONDUCTED OR DOCUMENTED1STNATIONAL PARK SERVICE$0 / $0 / $00881294628
No balance due Default
PAID IN FULL · DEFAULTED
2018-12-14Cooling Towers - DohmhLEGIONELLA SAMP NOT COLLECT ANALYZE RESULTS NOT RECD REPORT TO DEPT 1ARKLOW FBF LLC$1,030 / $1,030 / $00196798196
No balance due Default
PAID IN FULL · DEFAULTED
2018-12-14Cooling Towers - DohmhLEGIONELLA SAMP NOT COLLECT ANALYZE RESULTS NOT RECD REPORT TO DEPT 1ARKLOW F3F LLC$2,000 / $2,000 / $00196798077
No balance due
HEARING COMPLETED · DISMISSED
2018-06-06Cooling Towers - DohmhNO RECORDS OF ALL CHEMICALS AND BIOCIDES ADDED 1STNATIONAL PARK SERVICE$0 / $0 / $00881086003
No balance due
HEARING COMPLETED · DISMISSED
2018-06-06Cooling Towers - DohmhDAILY AUTO OR APPROVED ALTERNATIVE WATER TREATMENT PLAN NOT PROVIDED1SNATIONAL PARK SERVICE$0 / $0 / $00881085628
No balance due
HEARING COMPLETED · DISMISSED
2018-06-06Cooling Towers - DohmhTWICE YEARLY OR OTHER REQUIRED CLEANING NOT CONDUCTED OR DOCUMENTED1STNATIONAL PARK SERVICE$0 / $0 / $00881085985

Showing 12 of 71 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 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 2026-11-05; 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) 19

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
2026-09-27DOTTraffic Signal Condition – ControllerClosed2026-09-27
2026-09-26DOTTraffic Signal Condition – ControllerClosed2026-09-26
2026-08-22DOTTraffic Signal Condition – ControllerClosed2026-08-22
2026-06-15DOTTraffic Signal Condition – ControllerClosed2026-06-15
2026-05-26DOHMHBeach/Pool/Sauna Complaint – Beach/Pool WaterClosed2026-05-28
2026-05-23DOTTraffic Signal Condition – ControllerClosed2026-05-23
2026-05-13DOTTraffic Signal Condition – ControllerClosed2026-05-13
2026-05-05DOTTraffic Signal Condition – Veh Signal LampClosed2026-05-06
2026-04-09DOTTraffic Signal Condition – Veh Signal HeadClosed2026-04-09
2026-03-12DOTTraffic Signal Condition – ControllerClosed2026-03-12

Showing 10 of 19 records. The API and the source dataset have the full list.

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

Nearby properties

More in Marine Park-Mill Basin-Bergen Beach: Open HPD violations · Active DOB violations · Active ECB violations · Open DOB jobs · Unpaid OATH tickets

On Flatbush Ave

Same tax block (8591)

All properties on Flatbush Ave, Brooklyn · All of Brooklyn 11234

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