Des Moines, WA · King County
Certificate of Sewer Availability
This certificate records sewer service information for a proposed use and is completed by the appropriate sewer agency for a development application packet.
What this form is
The certificate gives the City of Des Moines Engineering Department information to evaluate development proposals. The appropriate sewer agency completes and signs it, describing available service, needed system improvements, connection charges, easements, or other conditions. Return the completed certificate to the Building Department as part of the application packet; attach a map and legal description if necessary.
Who needs it
Applicants proposing a development who need sewer availability information evaluated should have the appropriate sewer agency complete this certificate.
How to submit it
Return the completed certificate to the City of Des Moines Building Department as part of your application packet. The form lists the Building Division at 21630 11th Avenue South, Suite D, Des Moines, Washington 98198.
About notarization
This certificate does not require a notary; the appropriate sewer agency personnel sign and date it.
How to submit this form
- 1
Download the Certificate
Download the Certificate of Sewer Availability for your development application packet.
- 2
Provide Applicant Details
Enter the applicant, phone number, proposed use, and property address.
- 3
Gather Supporting Information
Attach a map and legal description if necessary, and have the appropriate sewer agency complete the service information.
- 4
Submit to the City
Return the completed certificate to the Building Department as part of your application packet.
Frequently asked questions
- What is the Certificate of Sewer Availability for?
- It provides the City of Des Moines Engineering Department with sewer availability information needed to evaluate development proposals.
- Who completes the certificate?
- Personnel from the appropriate sewer agency complete and sign the certificate, including details about service, improvements, charges, easements, and other conditions.
- Do I need a notary for the Certificate of Sewer Availability?
- No. The certificate does not require a notary; appropriate sewer agency personnel sign and date it.
- How do I submit the Certificate of Sewer Availability?
- Return the completed certificate to the City of Des Moines Building Department as part of your application packet. The form lists its address at 21630 11th Avenue South, Suite D.
Need something notarized?
This Certificate of Sewer Availability doesn’t need a notary — but if you have another Des Moines form that does, a commissioned online notary can help.