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How to Submit Sanitation Sewer Permit Applications Electronically

A sanitation permit is required for work associated with or related to connecting to a public sanitary sewer system. Typical work includes building sewers, side sewers, laterals, sewer mains, manholes, or similar items.

If you need assistance determining which forms and materials are required, please send us an email: PermitSonoma-Sanitation@sonoma-county.org

1. Account Registration

Ensure you are registered for a Permits Online account.

Before you can apply for your permit:

  1. Register for a Permits Online account if you do not have one already.
  2. Make note of the email address you use to log into your Permits Online account, and provide it to Permit Sonoma staff in Step 3 below.

A Permits Online account is needed so you can check the status of your permits, pay permit fees, schedule inspections, etc.

2. Ensure You Have a Complete Application

Find the desired permit type below to determine what is needed for a complete application then continue to step 2 Application Submittal.

Sewer Permits (SEW)

Please follow the process below to prepare to submit a Sewer Permit type application online.

Ensure you have a complete application:

  1. Private sanitation construction work (side sewer, lateral, building sewer, repairs, and pump systems) require each of the following:
    1. SAN-010 Application for Sewer Permit (PDF)
    2. Construction plan showing all existing and proposed sewer work (PDF).
    3. Include the property address, parcel number, and project description.
    4. All sewer pump plans and pump calculations must be designed by a registered licensed engineer.
  2. Public sanitation construction work (main extensions, manholes, etc.) require each of the following:
    1. SAN-010 Application for Sewer Permit (PDF)
    2. Construction plan showing all existing and proposed sewer work (PDF) and designed by a civil engineer licensed in the state of California.
    3. Include property address, parcel number, and project description
    4. SAN-009 Public Sewer Plan Check Submittal Requirements

Outside Service Area Agreement (OSAA) and Annexations

Please follow the process below to prepare to submit an Outside Service Area Agreement and Annexation type application online.

Ensure you have a complete application:

  1. Review SAN-004 Outside Service Area Sewer section for the required application materials for each type of permit.

3. Application Submittal

Send Sewer application materials to:
PermitSonoma-Sanitation@sonoma-county.org

  1. Application and detailed site plan need to be submitted as PDF attachments in the same email.
  2. In the subject line of the email include the property address or parcel number and type of sewer permit application.
  3. Provide the email address you use to log into your Permits Online Account. (See Step 1 above.)
  4. If the application is determined to be complete for submittal, you will receive an email with an invoice for the required application fees.
  5. If the application is incomplete for submittal, you will be notified of the required revisions or missing materials.

4. Fee Payment

Pay for the application online.

  1. An application will be considered accepted upon receipt of payment.
  2. Once you receive the application invoice, please visit our online permitting website and
    1. Select ‘Pay Fees’ on the home page.
    2. Enter the Record Number and select ‘Search’.
    3. Select the ‘Payments’ Tab at the top and then ‘Pay Fee’ on the right side of the invoice line.
    4. Follow the instructions from there.
  3. Please email PermitSonoma-Sanitation@sonoma-county.org to notify us that you have paid.