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
- 0Open DOB jobs (permit issued, no sign-off)
- 0Active DOB violations
- 0Active ECB violations
- 0Open HPD violations
- 1OATH tickets with unpaid balance
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).
Agency lookups: DOB BIS · ZoLa (zoning map) · ACRIS
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 year | Roll | Market value | Assessed value | Tax class |
|---|---|---|---|---|
| 2027 | Final | $667,000 | $300,150 | 4 |
| 2026 | Final | $559,000 | $251,550 | 4 |
| 2025 | Final | $499,000 | $224,550 | 4 |
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.
| Date | Type | Price | Seller (grantor) | Buyer (grantee) | Doc ID |
|---|---|---|---|---|---|
| 2024-11-25 | DEED | $0 / not stated one deed covering 3 lots; price is for all of them | 583 Knickerbocker Llc; 583 Knickerbocker Holdings Llc | 583-589 Knickerbocker Ave Partners Llc | 2024112800002001 |
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.
| Status | Date | Agency | Charge | Respondent | Imposed / paid / balance | Ticket # |
|---|---|---|---|---|---|---|
| Unpaid balance DOCKETED · IN VIOLATION | 2025-07-10 | Sanitation Others | DIRTY AREA | 583-589 KNICKERBOCKER AVE PART | $50 / $0 / $50 | 049276064M |
| No balance due PAID IN FULL | 2025-06-11 | Sanitation Others | SPILLAGE FROM A RECEPTACLE 1ST OFFENSE | 583-589 KNICKERBOCKER AVE PART | $100 / $100 / $0 | 049204867N |
| No balance due PAID IN FULL | 2025-01-21 | Sanitation Others | IMPROPER RECEPTACLES 1ST OCCURRENCE | 583-589 KNICKERBOCKER AVE PART | $50 / $50 / $0 | 048889496L |
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.
| Role | Name | Company | Business city |
|---|---|---|---|
| Headofficer | Tom Rosenberg | Brooklyn, Ny | |
| Agent | Tom Rosenberg | Brooklyn, Ny | |
| Corporateowner | 583-589 KNICKERBOCKER AVE PARTNERS LLC | Brooklyn, Ny | |
| Sitemanager | Tom 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.
| Status | Class | Issued | Apt | Condition |
|---|---|---|---|---|
| Closed Violation Dismissed · 2025-12-18 | I | 2025-11-24 | §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.
| Received | Status | Apt | Problem(s) | Outcome |
|---|---|---|---|---|
| 2026-03-25 | CLOSE | 2 | Plumbing – 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 |
| 2026-01-12 | CLOSE | 2 | Unsanitary Condition – Mold | HPD 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.
| Opened | Agency | Complaint | Status | Closed |
|---|---|---|---|---|
| 2026-03-25 | HPD | UNSANITARY CONDITION – MOLD | Closed | 2026-04-09 |
| 2026-03-25 | HPD | DOOR/WINDOW – WINDOW FRAME | Closed | 2026-04-09 |
| 2026-03-25 | HPD | PLUMBING – RADIATOR | Closed | 2026-04-09 |
| 2026-03-25 | HPD | HEAT/HOT WATER – APARTMENT ONLY | Closed | 2026-03-28 |
| 2026-01-12 | HPD | UNSANITARY CONDITION – MOLD | Closed | 2026-03-24 |
| 2025-11-02 | NYPD | Noise - Residential – Loud Music/Party | Closed | 2025-11-02 |
| 2025-11-01 | NYPD | Noise - Residential – Loud Music/Party | Closed | 2025-11-01 |
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
- 585 Knickerbocker Avenue (17 open items)
- 580 Knickerbocker Avenue (two open items)
- 579 Knickerbocker Avenue (65 open items)
- 589 Knickerbocker Avenue (six open items)
- 577 Knickerbocker Avenue
- 591 Knickerbocker Avenue (98 open items)
- 592 Knickerbocker Avenue (four open items)
- 593 Knickerbocker Avenue
- 595 Knickerbocker Avenue (four open items)
- 597 Knickerbocker Avenue (one open item)
Same tax block (3344)
- 589 Knickerbocker Avenue (six open items)
- 585 Knickerbocker Avenue (17 open items)
- 579 Knickerbocker Avenue (65 open items)
- 577 Knickerbocker Avenue
- Gates Avenue
- 1430 Gates Avenue
- 1434 Gates Avenue (17 open items)
- 1436 Gates Avenue (34 open items)
- 1440 Gates Avenue (17 open items)
- 1444 Gates Avenue (46 open items)
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