This site uses primary sources to establish regulatory categories and current program information. A source does not approve any reader’s project.
United States
- HUD Manufactured Housing Program — the separate federal manufactured-housing framework.
- ICC/MBI off-site construction standards — planning, design, fabrication, transportation and inspection concepts.
- New York Factory Manufactured Buildings — an example of a state modular program.
- Fannie Mae factory-built housing and Freddie Mac modular homes — financing classification context.
Canada
- Ontario: Building a modular house — factory and site approval responsibilities, including out-of-province purchases.
- Accessibility Standards Canada: CSA A277 overview — certification scope and destination requirements.
- Codes Canada — national model-code publications.
- CMHC — housing research and current program information.
Local sources
The destination building department, zoning authority, licensed designers, lender, insurer and project contracts remain the controlling sources for a specific home.