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Missouri · MO
Steel & concrete modular homes in Missouri
Modular homes are built to state and local building codes and set on a permanent foundation. Here is what applies in Missouri.
Missouri program
- Administering agency
- Public Service Commission, Manufactured Housing and Modular Units Program
- Program / authority
- Chapter 700.010-700.692 RSMo; Code of State Regulations chapters 120-125
- Code basis
- 2021 International codes for new modular unit models (per PSC bulletin, effective Nov. 30, 2024)
- Inspection & seal
- Program staff conduct code and installation inspections of manufactured homes and modular units; manufacturers and dealers register annually.
- Good to know
- Program hotline 1-800-819-3180; a Consumer Recovery Fund covers approved claims up to $5,000 (single-section) or $7,500 (multi-section) homes.
- Official source
- https://psc.mo.gov/ManufacturedHousing/Manufactured_Housing_Overview
Summarised from public sources; rules change. Confirm with Missouri’s agency and your local building department before ordering.
Your project in Missouri
Step 1
Confirm zoning & permits
Local jurisdiction sets lot, setback and design rules. See Permits & Zoning.
Step 2
Plans reviewed to state code
We stamp plans for the code that applies in Missouri.
Step 3
Factory build & inspection
Third-party or state inspection happens in the factory, then final on site.
Step 4
Set, connect, certify
Modules crane in, joints are torqued and inspected, and local sign-off issues the CO.