Official State of Iowa Website Here is how you know
Iowa Department of Inspections, Appeals & Licensing

DIA becomes DIAL!

On July 1, 2023, multiple programs across four agencies became part of the Iowa Department of Inspections and Appeals (DIA) as a new organizational structure for state government goes into effect. DIA is now the Department of Inspections, Appeals, and Licensing (DIAL). 

Factory Built Structures

Iowa Code section 103A.9 provides that factory built structures, which include manufactured homes and modular homes and other modular buildings and structures, are subject to provisions of the State Building Code.

You may contact the Building Code Bureau by phone at 515.725.6145, electronic mail at, or regular mail to Building Code Bureau, Dept. of Inspections, Appeals, and Licensing, 215 E 7th St, Des Moines, IA 50319.

For information regarding HUD's Manufactured Home Dispute Resolution Program, please visit

James Martin with HUD is the point of contact for homeowners experiencing problems with their manufactured homes. 

James Martin, CMB, AMP
Office of Manufactured Housing Programs
U.S. Department of Housing and Urban Development

2021 Licensed Retailers and Installers

List of licensed retailers of manufactured/modular housing

List of licensed installers for manufactured/modular housing

Included in the State Building Code are the following chapters which deal with factory built structures (manufactured homes and modular buildings):




Seal Orders


Other Forms