Customer Service

Office Hours are Monday – Friday, 8 a.m. – 4:30 p.m.

After hours answering service available for outage & emergency calls.

(360) 877-5249 or (800) 544-4223

Mason County Public Utility District No. 1
21971 N. Highway 101
Shelton, Washington 98584

Name(Required)
This field is hidden when viewing the form
MM slash DD slash YYYY
Email(Required)