Please note that this house is for sale, not abandoned. But I cannot answer to how long it’s been for sale.
House for sale can hold the appearance and aura of abandonment. Of course there are reasons for this. Perhaps a family member died and it’s an estate sale. Or it was a seasonal home, rarely used. This house in Brandon, Vermont gives that longing look, the look that abandoned or neglected houses carry. It strikes me as a house filled with relics of the last family to the live there; culturally interesting items, but not much that someone would want to truck back to his or her home.
Cross your fingers for this house; all it needs is a new owner and some love.