The cost of manufacturing a house and installing appropriate finishes ranges between $50 and $65 per square foot as of 2015, according to Modular Homeowners. The cost may go as high as $110 per square foot depending on the cost of additional utilities, landscaping, permits and taxes.
A manufactured house with minimal numbers of structures, such as garages, has a base cost of between $50 and $60 per square foot. Customizations, touch-up work, module settings, utility attachments and delivery costs increase these costs by up to $50 per square foot. The cost also varies depending on the foundation needed and the distance between the factory and the build site.