Due to the precipitous decline in the housing market over the past few years, many homeowners who would otherwise sell their homes are renting them out. This may be because prices are too low, or because they have to move before they can sell due to a job change.
Such accidental landlords should understand that if they rent out their homes too long before they sell them, they could lose the biggest tax break available for most people: the home sale exclusion.
Homeowners who qualify for the home sale exclusion don't have to pay any income tax on up to $250,000 of the gain from the sale if they're single, or up to $500,000 if they're married and file a joint return. Of course, this exclusion is useful only for homeowners who have equity in their homes,