1) Owning a U.S. vacation property can subject a Canadian resident's estate to U.S. estate taxes upon death.
2) Under the Canada-U.S. Tax Treaty, Canadian residents only face U.S. estate taxes if their worldwide assets exceed US$3.5 million.
3) For a Canadian resident with a U.S. property worth $1.2 million and total worldwide assets of $8 million, U.S. estate taxes in 2009 would be $209,430, but would be eliminated if the property passed to a Canadian resident spouse due to marital tax credits.