Building health · BROOKLYN, NY

91 Riverdale Ave

built 1930 · 4 stories · 27 apartments
Also known as 378 Herzl St — one building, several doors.
Registered with the city: Ellis Family LLC · 6 other buildings here list it; ELLIS FAMILY 91 RIVERDALE AVE. LLC
Ownership transferred Jul 2023, no sale price · NYC Department of Finance
Worth knowing
City records list the water service line as lead
Source: Lead Service Line Location Coordinates · as of 2026-01-30

By apartment

4 of 27 apartments named in a city record
See all records and sourcesPrint or save as PDF
Status describes city records, not the building's condition. Tap a system for its records and sources.
These are city records, not an inspection by Blueflo. Every item shows its source and the date it was last checked.
Report an error · Talk to us · Look up another building
Not an inspection and not a warranty. May not be used for tenant screening — terms of use · privacy.
For AI and developers: llms.txt · API · MCP server · this card as markdown