A duplex is a type of residential building that contains two separate housing units within one structure. Each unit has its own entrance, kitchen, bathroom, and living space, making it function like two independent homes — but on a single lot.
Key Features of a Duplex
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Two units in one building (side-by-side or stacked one above the other).
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Each unit is typically around the same size, though layouts can differ.
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Can be owned by one person (who rents one or both units) or sometimes split into condos.
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Shares some systems or walls (like roof, plumbing lines, or foundation).