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California · CA
Steel & concrete modular homes in California
Modular homes are built to state and local building codes and set on a permanent foundation. Here is what applies in California.
California program
- Administering agency
- California Department of Housing and Community Development (HCD), Division of Codes and Standards
- Program / authority
- Health & Safety Code Div. 13, Part 6, §§19960-19997; 25 CCR §3000 et seq.
- Code basis
- Not verified. Confirm with the local building department.
- Inspection & seal
- Factory-built housing must bear an HCD insignia of approval; HCD oversees Quality Assurance Agencies and inspectors (H&S Code §§19990, 19991.4).
- Good to know
- Statute is the Factory-Built Housing Law; FBH is defined in §19971 and building components in §19967.
- Official source
- https://www.hcd.ca.gov/building-standards/fbh/laws-and-regulations
Summarised from public sources; rules change. Confirm with California’s agency and your local building department before ordering.
Your project in California
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 California.
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.