Yes, residential customers can simply call 360-993-8800 to use our SelfPay system, which will process your Visa and MasterCard debit or credit card or electronic check payment over the phone. Customers may also contact a customer service representative who will gladly process your payment over the phone. We must receive payment by 5 PM on the date noted on the letter. For your convenience, there is a drop box at our office located at 8000 NE 52nd Court where payments may be securely left for processing.