NOTE:  Applicants MUST already have a SLO County permit number assigned to their project in order to qualify for a Will-Serve Letter. Applications that are submitted without referencing a permit number are rejected and returned to the applicant, without exception. 

To receive a Will-Serve Letter from Cayucos Sanitary District in association with your permitted project, submit a complete Will-Serve Application Package by following the three step process below. We take pride in providing prompt service and will respond with a Will-Serve Letter in one week or less. 

 1. Will-Serve Application: Download & Complete Now

2. CCTV Waiver: Download & Complete Now

3. Construction Plans: Specific requirements listed in Section 3 of Will-Serve Application

Digital submission of your Will-Serve Application Package is preferred and does not require an additional digitizing fee. Hardcopy applications are accepted, but incur an additional processing fee ($100.00) for the digitization of your documents. Please call our office at (805) 995-3290 if you prefer to submit a hardcopy Will-Serve Application Package.

Please attach each of the 3 required documents by clicking "Choose File" below. Once all 3 required documents are attached, please click "Submit."

 Pay the Application Fee Now* - Click here to pay online

*Credit card service fee applies (3.9% + 30 cents)

Alternatively, you may mail in or drop off an Application Fee check at our office to avoid the credit card service fee. 

Please be advised that your application will not be processed until all above-referenced required items are received.