804 KNICKERBOCKER AVENUE
804 KNICKERBOCKER AVENUE is a Class S4 (walk-up + store) building in Brooklyn (BBL 3034120040) built in 1910, with 5 residential units across 3 floors.
The building is in NYC community district 304, council district 37, zoning district R6, on a 2,200-square-foot lot with a building footprint of 5,346 square feet.
The current registered owner of record per NYC PLUTO is KAPPEL, HERMANN.
MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
The building is registered with NYC HPD's landlord-registration system and has no open HPD housing-maintenance code violations on record as of May 18, 2026.
Data sourced daily from NYC PLUTO (Department of City Planning), NYC ACRIS (Department of Finance), and NYC HPD housing-maintenance code violations.
Owner of record
HPD registered contacts
- Managing Agent804 KNICKERBOCKER LLC
- Site ManagerHERMANN KAPPEL
- Joint OwnerNO SECONDOWNER
- Joint OwnerANA KAPPEL
Most recent deed
Recent ACRIS documents (last 4)
Building stats
- Zoning:
- R6
- Lot size:
- 2,200 sqft
- Building area:
- 5,346 sqft
- Floors:
- 3
- Assessed value:
- $354K
- Community district:
- 304
- Council district:
- 37
HPD violations
Recent HPD violation details
- Class AInspected May 5, 2026(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD…
- Class AInspected Jun 10, 2025(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD…
- Class AInspected Apr 10, 2024(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD…
- Class IInspected Nov 17, 2023§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…
- Class CInspected Jul 29, 2023§ 27-2033 ADM CODE POST NOTICE, IN FORM APPROVED BY THE DEPARTMENT, STATING THE NAME AND LOCATION OF THE PERSON DESIGNATED BY THE OWNER TO H…
Recent ACRIS activity
Other buildings in this portfolio
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Frequently asked questions about 804 KNICKERBOCKER AVENUE
Who owns 804 KNICKERBOCKER AVENUE?
The current registered owner of record for 804 KNICKERBOCKER AVENUE per NYC PLUTO is KAPPEL, HERMANN. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 804 KNICKERBOCKER AVENUE last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 804 KNICKERBOCKER AVENUE in the last 5 years of recorded NYC public-records data. NYC ACRIS coverage extends back to 1966; an absence in our 5-year window typically means either the BBL has not transacted recently, or the most recent recorded document is not a DEED type (such as a refinance rather than a sale).
How many HPD violations does 804 KNICKERBOCKER AVENUE have?
No open HPD housing-maintenance code violations are on record for 804 KNICKERBOCKER AVENUE as of May 18, 2026. The building is registered with NYC HPD's landlord-registration system. HPD violation data is pulled daily from the NYC Open Data violations feed.
What is the assessed value of 804 KNICKERBOCKER AVENUE?
NYC Department of Finance assesses 804 KNICKERBOCKER AVENUE at $354K for the current tax year. NYC assesses property at a fraction of estimated market value (the assessment ratio varies by tax class — 6% for tax class 1 one-to-three-family dwellings, approximately 45% for tax class 2 rental apartment buildings), so the market value implied by this assessment is meaningfully higher. Assessment data is published by NYC Department of Finance.
What building class is 804 KNICKERBOCKER AVENUE and what does that mean?
804 KNICKERBOCKER AVENUE is NYC building class S4 — Walk-up + store. A walk-up apartment with one or more store units. Building class is assigned by NYC Department of Finance and recorded in PLUTO; it determines the property's tax class and the regulatory regime that applies.