Legislation Introduced to Remove Permanent Chassis Requirement for Manufactured Housing
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By Libby O’Neill, NLIHC Senior Policy Analyst
Senators Ruben Gallego (D-AZ) and Thom Tillis (R-NC) introduced the “Housing Supply Expansion Act of 2025” (S. 2414) on July 23, which would remove a HUD requirement that manufactured homes be constructed with a permanent chassis “to assure the initial and continued transportability of the home.” A chassis is a steel frame at the foundation of a manufactured home that allows the home to be transported, but manufactured homes are rarely moved after they are attached to the land. The bill would amend language in the “National Manufactured Housing Construction and Safety Standards Act of 1974” to make the permanent chassis optional. NLIHC has endorsed the bill.
Manufactured homes are an essential source of affordable housing, especially in rural areas. In removing the requirement for a permanent chassis on manufactured homes, the bill would further reduce cost and expand design and location possibilities for manufactured housing. Our nation is facing a housing supply shortage for both renters and homeowners with the lowest incomes, and this common-sense reform is an important piece of addressing this crisis.