The following collection of best selling multi-family plans includes duplexes, townhouses, triplexes and apartments. All of our multi-family house plans have the same architectural appeal of our single family designs while offering the economical benefits of multi-family construction. Multi-family house plans are usually smaller units designed for economy, but they could be larger, luxury units as well. They are displayed here by unit size, with the smallest first. Search through our collection and you will find all styles and sizes of multi-family floor plans. If you want to narrow your search, feel free to use the detailed "Find a Plan". Why buy plans from us?