California Shed Moving Permit Rules
In California, a shed on a trailer needs an oversize permit once it exceeds 8'6" wide or 14' tall. Permits come from the Caltrans Transportation Permits and typically cost $16–$250 for a single trip.
| Maximum legal width without a permit | 8'6" |
|---|---|
| Maximum legal height without a permit | 14' |
| Issuing agency | Caltrans Transportation Permits |
| Typical single-trip permit fee | $16–$250 |
| Escort / pilot car requirement | Pilot car required for loads over 12' wide on most state routes. |
| Route conditions to plan for | tight suburban cul-de-sacs and steep coastal-range routes |
What this means for your move
Most 10-, 12-, and 14-foot-wide portable buildings exceed the 8'6" legal width in California, so a permit is required for nearly any move on public roads. An 8-foot-wide shed usually travels permit-free as long as trailer deck height keeps the total under 14'.
Plan the route around tight suburban cul-de-sacs and steep coastal-range routes. Pilot car required for loads over 12' wide on most state routes. Escort vehicles are billed per mile and are typically the largest add-on cost after the haul itself.
Professional shed haulers usually carry annual blanket permits, which removes the per-trip paperwork for the homeowner entirely.
California permit FAQs
Do I need a permit to move a shed in California?
Yes, if the loaded shed exceeds 8'6" wide or 14' tall you need an oversize permit from the Caltrans Transportation Permits. Single-trip permits typically run $16–$250.
Who issues oversize shed permits in California?
Caltrans Transportation Permits issues state oversize/overweight permits. Cities and counties may require additional local permits for moves on municipal streets.
Are escort vehicles required in California?
Pilot car required for loads over 12' wide on most state routes.
Shed movers in California
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Compiled from Caltrans Transportation Permits publications. Confirm current limits with the agency before dispatching a load.