The average modular home costs $80 to $160 per square foot, or $120,000 to $270,000 installed. Modular home prices are $50 to $100 per square foot for the base unit only. Setting up and installing a modular house adds $30 to $60 per square foot. Modular home prices depend on the floor plan, number of bedrooms, and customizations.

According to Rocket Homes, a stationary prefab tiny home can range anywhere from $35,000 to $68,000, while a mobile prefab tiny home averages between $60,000 to $80,000. Custom builds have the largest range, and can start anywhere from $25,000 up to $200,000 and beyond depending on the square footage of your desired tiny home.