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Modular Buildings Frequently Asked Questions

A mobile home is a structure that was built prior to June 15, 1976, which is the date of enactment of the Federal Manufactured Housing and Safety Standards Act (HUD Code). For information regarding Mobile Home Rehabilitation, please see the MOBILE HOME REHAB FACTS SHEET. A manufactured home is a structure constructed after June 15, 1976, built according to the Federal Manufactured Housing and Safety Standards Act (HUD Code), and is for residential use only. For the expanded definition of a manufactured house (i.e. length, size, chassis or foundation and utility requirements), see I.C. §39-4105. A modular building is any building, other than a manufactured or mobile home, that is of closed construction and is either entirely or substantially prefabricated or assembled at a place other than the building site. Modular buildings are built for residential or commercial use and the construction is regulated by the codes adopted by the state.
The process for obtaining Idaho approval involves plan approvals and complete inspections of the existing building by the division of Building Safety in order to determine what is needed to bring it into compliance with currently Idaho adopted building codes. In most instances, it is much more economical to have a new modular building constructed by an Idaho modular building manufacturer to ensure that it is inspected through the entire construction process
Modular Buildings: Buildings built in one place with the intent to move the building to another site for placement are under the jurisdiction of DBS for the construction that is done at the place of manufacture. Work that is done on the placement site is under jurisdiction of the city or county. Please also contact the city or county.
Please Please view this brochure of classifications and regulations for tiny houses, manufactured homes, modular buildings and recreational vehicles.
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