Does a mobile home mover in Washington need a USDOT number?

A USDOT number is required for moves within Washington when the vehicle or combination weighs 16,001 lbs or more. Moves that cross a state line need a USDOT number in every state.

Mobile Home Moving Laws and Licensing in Washington

Researched from public sources, last checked March 14, 2026. Not yet verified by our team: confirm with the agency before relying on it.

Is a license required?

Washington regulates mobile-home work through installer licensing. We have no license on record specific to moving a mobile home. The primary regulator is WA UTC + WSDOT.

Mobile home licenses in Washington

Installing (not a moving license)

Washington L&I Contractor Registration — Mobile Home Set-up / House Moving SpecialtyIssued by Washington State Department of Labor & IndustriesLook up a license
Washington Manufactured Home Installer CertificationIssued by Washington State Department of Labor & IndustriesLook up a license

USDOT and operating authority

A USDOT number is required for moves within Washington when the vehicle or combination weighs 16,001 lbs or more. Source
Moves that cross a state line need a USDOT number in every state. Source

Licensed mobile home movers in Washington

We don't have a Washington mobile home credential on record for any company yet. Browse mobile home movers in Washington.

Questions

Do you need a license to move a mobile home in Washington?: Washington regulates mobile-home work through installer licensing. We have no license on record specific to moving a mobile home. The primary regulator is WA UTC + WSDOT.
Does a mobile home mover in Washington need a USDOT number?: A USDOT number is required for moves within Washington when the vehicle or combination weighs 16,001 lbs or more. Moves that cross a state line need a USDOT number in every state.

Mobile home moving laws and licensing in Washington