If an estate has already escheated to the Crown, can a newly discovered heir still claim it later?

Escheat is not necessarily the end of the story - an heir who is later found and can prove a valid entitlement may still be able to bring a claim against the Crown for property that has already escheated, though this depends on the specific circumstances and is not guaranteed to succeed. The Escheats Act, 2015 governs how Crown-vested property is administered, but it does not mean a legitimate heir's claim simply disappears the moment property vests in the Crown.

That said, an heir in this position should not assume the process will be quick or simple. They will generally need to establish, with real evidence, that they meet the SLRA's rules for who counts as an intestate heir, and that no closer relative exists. Genealogical proof, such as birth, marriage, and death records tracing the family connection, is usually central to this kind of claim.

Because timing and evidentiary requirements can be significant hurdles, and because no fixed claim window or processing time can be stated with confidence here, anyone who believes they may be an unfound heir to an escheated Ontario estate should get legal advice promptly rather than wait, and should expect the process to involve real documentary proof of the family relationship.