When you see houses with two front doors, do you assume they're duplexes or two-family homes, don't you? Historically speaking, that wasn't the case at all. I had no idea until an architect friend ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." With their roomy size and eye-pleasing symmetry, Colonial-style homes remain one of the most enduring ...

Double doors don’t always mean a house is a duplex. If you've ever driven through an older neighborhood and spotted a home with two front doors side by side, you might've assumed it was once a duplex.