680 RIVERDALE AVENUE
680 RIVERDALE AVENUE is a Class C4 (walk-up, three families) building in Brooklyn (BBL 3038430007) built in 1930, with 4 residential units.
The current registered owner of record per NYC PLUTO is FRANK A DIAZ.
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 AgentFRANK DIAZ
- Joint OwnerCYNTHIA DIAZ
Most recent deed
Recent ACRIS documents (last 3)
Building stats
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 Nov 28, 2025§ 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT THE WEST WALL, 1st CLOSET FROM EAST AT SOUTH WALL D…
- Class CInspected Nov 28, 2025§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE GLASS AT LOWER SASH AT THE 1ST WINDOW FROM EAST AT SOUTH IN THE 3rd ROOM F…
- Class CInspected Nov 28, 2025§ 27-2005, 2007 HMC: REMOVE THE ILLEGAL DOUBLE CYLINDER KEY OPERATED LOCKING DEVICE AT DOOR . IN THE ENTRANCE LOCATED AT APT 1R, 1st STORY,…
- Class CInspected Nov 28, 2025§ 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MIS…
Recent ACRIS activity
Frequently asked questions about 680 RIVERDALE AVENUE
Who owns 680 RIVERDALE AVENUE?
The current registered owner of record for 680 RIVERDALE AVENUE per NYC PLUTO is FRANK A DIAZ. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 680 RIVERDALE AVENUE last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 680 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 680 RIVERDALE AVENUE have?
No open HPD housing-maintenance code violations are on record for 680 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 building class is 680 RIVERDALE AVENUE and what does that mean?
680 RIVERDALE AVENUE is NYC building class C4 — Walk-up, three families. A 3-to-6-story walk-up apartment building with 3 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.