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Ohio · OH
Steel & concrete modular homes in Ohio
Modular homes are built to state and local building codes and set on a permanent foundation. Here is what applies in Ohio.
Ohio program
- Administering agency
- Ohio Board of Building Standards
- Program / authority
- Industrialized units: OAC Chapter 4101:10 (Rule 4101:10-4-01); R.C. 3781.10
- Code basis
- Residential Code of Ohio for 1-3 family units; Ohio Building, Mechanical and Plumbing Codes for non-residential units
- Inspection & seal
- Manufacturer registers, applies via the board's e-portal for authorization; authorization lists required in-plant inspections.
- Good to know
- Manufacturers must register with the board before applying; paper submissions are not accepted (rules effective April 1, 2025).
- Official source
- https://codes.ohio.gov/ohio-administrative-code/rule-4101:10-4-01
Summarised from public sources; rules change. Confirm with Ohio’s agency and your local building department before ordering.
Your project in Ohio
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 Ohio.
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.