624 RIVERDALE AVENUE
624 RIVERDALE AVENUE is a Class C2 (walk-up, five to six) building in Brooklyn (BBL 3038400032) built in 1930, with 6 residential units across 3 floors.
The building is in NYC community district 305, council district 42, zoning district R6, on a 1,863-square-foot lot with a building footprint of 5,025 square feet.
The current registered owner of record per NYC PLUTO is NEW RIVER REALTY CORP.
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 OfficerMICHAEL SLOCHOWSKY
- Corporate OwnerNEW RIVER REALTY CORP
- Managing AgentBRIEN MINGO
Most recent deed
Recent ACRIS documents (last 2)
Building stats
- Zoning:
- R6
- Lot size:
- 1,863 sqft
- Building area:
- 5,025 sqft
- Floors:
- 3
- Assessed value:
- $265K
- Community district:
- 305
- Council district:
- 42
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 Apr 18, 2026§ 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE VINYL FLOOR TILES IN THE ENTIRE APARTMENT LOCATED AT APT 3R…
- Class AInspected Apr 18, 2026§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE REFRIGERATOR DOOR GASKET IN THE KITCHEN LOCATED AT APT 3R, 3rd STORY
- Class BInspected Apr 18, 2026§ 27-2005, 2006, 2037 HMC: PROPERLY REPAIR AND ABATE UNSAFE ELECTRIC WIRING CONDITION CONSISTING OF EXCESSIVE USE OF EXTENSION CORDS. RESIDE…
- Class BInspected Apr 18, 2026§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE BASE CABINET DRAWER IN THE KITCHEN LOCATED AT APT 3R, 3rd STORY, 1st APART…
Recent ACRIS activity
Frequently asked questions about 624 RIVERDALE AVENUE
Who owns 624 RIVERDALE AVENUE?
The current registered owner of record for 624 RIVERDALE AVENUE per NYC PLUTO is NEW RIVER REALTY CORP. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 624 RIVERDALE AVENUE last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 624 RIVERDALE 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 624 RIVERDALE AVENUE have?
No open HPD housing-maintenance code violations are on record for 624 RIVERDALE 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 624 RIVERDALE AVENUE?
NYC Department of Finance assesses 624 RIVERDALE AVENUE at $265K 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 624 RIVERDALE AVENUE and what does that mean?
624 RIVERDALE 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.