If mortgage has been paid on a home and the owners pass away,?

If mortgage has been paid on a home and the owners pass away,?
Added (1). who gets the property if their aren't heirs, etc and how do you go about purchasing it? The house has been vacant a couple of years (and looks it!) I did a property search and the original mortgage company was listed. When i contacted them they said it would be auctioned. That would mean another year or two - isn't there someone i could contact since i don't want to wait that long? Mortgage company was no help at all! Thanks!

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