Transportation Permits
A transportation permit is required to operate or move vehicle(s) or special mobile equipment on County roads of a size or weight of vehicle or load exceeding the maximum limitations specified in the California Vehicle Code.
California Vehicle Code (CVC) 35780
Contact Information:
- Email: PermitSonoma-Transportation@sonoma-county.org
- Phone: (707) 565-5279
Application Process
A Transportation Permit Application can be only submitted via email.
Once the Transportation Permit Application is approved and paid, Permit Sonoma staff will email the permit to the applicants.
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Account Registration
Ensure you are registered for a Permits Online account.
Before you can apply for your permit:
- Register for a Permits Online account if you do not have one already.
- Make note of the email address you use to log into your Permits Online account, and provide it to Permit Sonoma staff in Step 2 below.
A Permits Online account is needed so you can check the status of your permits, pay permit fees, schedule inspections, etc.
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Submission
- Please review the special provisions and related materials when filling out your application.
ENC-003 Transportation Permit Application (PDF: 137 kB) - Applications are required to be submitted as one merged PDF file. View instructions
- Send application via email to: PermitSonoma-Transportation@sonoma-county.org
- Provide the email address you use to log into your Permits Online Account. (See Step 1 above.)
- Please review the special provisions and related materials when filling out your application.
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Staff Review
After receiving your application, Permit Sonoma staff will review your application for the following:
- Confirm application completeness.
- Evaluate application to determine load weight class & dimensions.
- Review route to determine whether any rerouting is necessary. Rerouting may be required if there are any conflicts with structures, events, or anticipated traffic.
- Evaluate route to determine if pilots and/or a CHP escort are required.
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Payment
You must wait until the permit has been issued and you have received a record number (beginning with "TRN"). You will need your record number to make your payment.
Once you receive the application invoice, please visit Permits Online and:
- Select ‘Pay Fees’ on the home page.
- Enter the Record Number and select ‘Search’.
- Select the ‘Payments’ Tab at the top and then ‘Pay Fee’ on the right side of the invoice line.
- Follow the instructions from there.
Please email PermitSonoma-Transportation@sonoma-county.org to notify us that you have paid. Be sure to include the Record Number in the email.