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583 Knickerbocker Avenue, Brooklyn, NY 11221

BBL 3033440003 (Borough 3, Block 3344, Lot 3) · BIN 3326408 · Last updated:

Summary · as of October 31, 2026

583 Knickerbocker Avenue (Brooklyn, NY 11221; tax lot BBL 3033440003) is a 1-unit store building (building class K4: store building (subtype K4)), built around 1988, on a 2,500 sq ft lot zoned R6. City tax records list the owner as 583-589 KNICKERBOCKER AVE PARTNERS LLC. The Department of Finance's final market value for tax year 2027 is $667,000. As of October 31, 2026, NYC Open Data shows one OATH ticket with an unpaid balance. There were seven 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
583-589 KNICKERBOCKER AVE PARTNERS LLC
Building class
K4 · Store building
Year built · units
1988 · 1 res.
Lot area · zoning
2,500 sq ft · R6
Market value (DOF)
$667,000 FY2027
Last priced deed
—
BBL
3033440003
BIN
3326408

How to cite: NYC Property Facts, “583 Knickerbocker Avenue, Brooklyn, NY 11221 (BBL 3033440003)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/583-knickerbocker-avenue-3033440003. 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)
583-589 KNICKERBOCKER AVE PARTNERS 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
1988Often an estimate for older buildings.
Floors
2
Units
1 residential / 3 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
1
Lot size
2,500 sq ft (25 ft × 100 ft)
Building floor area
3,950 sq ft (incl. 2,450 sq ft commercial)
Zoning
R6The zoning district sets what can be built and used here. Residential district.
Built vs. allowed density (FAR)
1.58 built / 2.43 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 3033440003 (Borough 3, Block 3344, Lot 3) · BIN 3326408BBL 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 2026-10-31; Building Footprints — city dataset updated 2026-10-25; data as of 2026-10-31

Tax assessment

How the Department of Finance values this lot for property tax.

Market value (tax year 2027, final roll)
$667,000The 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
$300,150The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$279,302Assessed value minus any exemptions.
Tax class
Tax class 4 – commercial / industrial
Tax yearRollMarket valueAssessed valueTax class
2027Final$667,000$300,1504
2026Final$559,000$251,5504
2025Final$499,000$224,5504

Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; data as of 2026-10-31

Sales & deed history 1

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
2024-11-25DEED$0 / not stated
one deed covering 3 lots; price is for all of them
583 Knickerbocker Llc; 583 Knickerbocker Holdings Llc583-589 Knickerbocker Ave Partners Llc2024112800002001

Source: ACRIS Real Property Master — city dataset updated 2026-10-08; data as of 2026-10-31; ACRIS Real Property Legals — city dataset updated 2026-10-08; data as of 2026-10-31; ACRIS Real Property Parties — city dataset updated 2026-10-08; data as of 2026-10-31

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 2026-10-30; data as of 2026-10-31; DOB Job Application Filings (BIS) — city dataset updated 2026-10-30; data as of 2026-10-31

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 2026-10-30; data as of 2026-10-31; 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 2026-10-31; data as of 2026-10-31

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 means the condition has not been certified as corrected and/or the case is not resolved. 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 2026-10-31

OATH tickets (all agencies) 1 unpaid of 3

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
DOCKETED · IN VIOLATION
2025-07-10Sanitation OthersDIRTY AREA583-589 KNICKERBOCKER AVE PART$50 / $0 / $50049276064M
No balance due
PAID IN FULL
2025-06-11Sanitation OthersSPILLAGE FROM A RECEPTACLE 1ST OFFENSE583-589 KNICKERBOCKER AVE PART$100 / $100 / $0049204867N
No balance due
PAID IN FULL
2025-01-21Sanitation OthersIMPROPER RECEPTACLES 1ST OCCURRENCE583-589 KNICKERBOCKER AVE PART$50 / $50 / $0048889496L

Source: OATH Hearings Division Case Status — city dataset updated 2026-10-31; data as of 2026-10-31

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
321349
Last registered
2026-07-23
Registration valid until
2027-09-01 CurrentRegistrations must be renewed every year.
RoleNameCompanyBusiness city
HeadofficerTom RosenbergBrooklyn, Ny
AgentTom RosenbergBrooklyn, Ny
Corporateowner583-589 KNICKERBOCKER AVE PARTNERS LLCBrooklyn, Ny
SitemanagerTom Rosenberg

Source: HPD Multiple Dwelling Registrations — city dataset updated 2026-10-28; data as of 2026-10-31; HPD Registration Contacts — city dataset updated 2026-10-28; data as of 2026-10-31

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 Dismissed · 2025-12-18
I2025-11-24§27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISE

Source: HPD Housing Maintenance Code Violations — city dataset updated 2026-10-31; data as of 2026-10-31

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
2026-03-25CLOSE2Plumbing – Radiator
Heat/Hot Water – Apartment Only
Door/Window – Window Frame
Unsanitary Condition – Mold
An HPD Inspector was not able to gain access to inspect this complaint. The Inspector left a card at the time of the inspection and a letter was sent from HPD after the inspection attempt to encourage
2026-01-12CLOSE2Unsanitary Condition – MoldHPD attempted to conduct an inspection in response to this complaint, but was unable to complete the inspection. Please submit a new service request with 311 if the condition still exists. For more in

Source: HPD Housing Maintenance Code Complaints and Problems — city dataset updated 2026-10-31; data as of 2026-10-31

311 requests (last 12 months) 7

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
2026-03-25HPDUNSANITARY CONDITION – MOLDClosed2026-04-09
2026-03-25HPDDOOR/WINDOW – WINDOW FRAMEClosed2026-04-09
2026-03-25HPDPLUMBING – RADIATORClosed2026-04-09
2026-03-25HPDHEAT/HOT WATER – APARTMENT ONLYClosed2026-03-28
2026-01-12HPDUNSANITARY CONDITION – MOLDClosed2026-03-24
2025-11-02NYPDNoise - Residential – Loud Music/PartyClosed2025-11-02
2025-11-01NYPDNoise - Residential – Loud Music/PartyClosed2025-11-01

Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-10-31; data as of 2026-10-31

Nearby properties

On Knickerbocker Ave

Same tax block (3344)

All properties on Knickerbocker Ave, Brooklyn · All of Brooklyn 11221 (Bedford-Stuyvesant (East))

Open-item counts as of October 31, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · API & MCP docs