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Will-Serve Applications

Minor Use & Building Permits 

NOTE: Applicants MUST have a SLO County permit number 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, applicants must submit a complete Will-Serve Application Package containing the following:

 1. Will-Serve Application: Download now

2. CCTV Waiver: Download now

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

4. Application Fee: Payment Portal below

Will-Serve Application Package Submittal 

Digital Submissions: 

Digital submission of your Will-Serve Application Package is preferred and does not require an additional digitizing feeWe typically process  and respond to complete Will-Serve Applications in 3 business days or less.

Please attach the 3 required documents by clicking "Choose File" below, and then clicking "Submit"

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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 4 required items are received. 


Hardcopy Submissions: 

Hardcopy applications are accepted, but incur an additional processing fee ($100.00) for the digitization of your documents.

-Hardcopy applications must contain all 4 items from the list above.

-You may either submit your complete package at the District office (200 Ash Ave. Cayucos, CA 93430), or mail it to our PO Box 333 in Cayucos, CA 93430. 

Please be advised that incomplete hardcopy Will-Serve Application Packages are not accepted.