818 KNICKERBOCKER AVENUE
818 KNICKERBOCKER AVENUE is a Class C2 (walk-up, five to six) building in Brooklyn (BBL 3034180033) built in 1912, with 6 residential units across 3 floors.
The building is in NYC community district 304, council district 37, zoning district R6, on a 2,600-square-foot lot with a building footprint of 5,616 square feet.
The current registered owner of record per NYC PLUTO is JC REAL ESTATE DEVELOPMENT L.P..
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
- Head OfficerELSIE ORTIZ
- Corporate OwnerJC REAL ESTATE DEVELOPMENT LP
- Managing AgentCONCORD MANAGEMENT OF NY LLC
- Site ManagerMARLENE HOLGUIN
Most recent deed
Building stats
- Zoning:
- R6
- Lot size:
- 2,600 sqft
- Building area:
- 5,616 sqft
- Floors:
- 3
- Assessed value:
- $565K
- 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 BInspected Oct 28, 2025§ 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... LESS THAN 10SQ FT AT CEILING IN THE BATHROOM LOCATED AT…
- Class BInspected Oct 28, 2025§ 27-2045(B)(1)(A) HMC, § 12-01, § 12-03 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL SMOKE DETECTING DEVICE, INSTALLED IN AC…
- Class AInspected Oct 28, 2025§ 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT ALL WALLS AND ALL CEILINGS IN THE ENTIRE APARTMENT…
- Class BInspected Oct 28, 2025§ 27-2045(B)(1)(A) HMC, § 12-01, § 12-03 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL SMOKE DETECTING DEVICE, INSTALLED IN AC…
Frequently asked questions about 818 KNICKERBOCKER AVENUE
Who owns 818 KNICKERBOCKER AVENUE?
The current registered owner of record for 818 KNICKERBOCKER AVENUE per NYC PLUTO is JC REAL ESTATE DEVELOPMENT L.P.. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 818 KNICKERBOCKER AVENUE last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 818 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 818 KNICKERBOCKER AVENUE have?
No open HPD housing-maintenance code violations are on record for 818 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 818 KNICKERBOCKER AVENUE?
NYC Department of Finance assesses 818 KNICKERBOCKER AVENUE at $565K 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 818 KNICKERBOCKER AVENUE and what does that mean?
818 KNICKERBOCKER AVENUE is NYC building class C2 — Walk-up, five to six. A 3-to-6-story walk-up apartment building, 5-6 residential 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.