Drain Problems? Call NapaSAN First! April 27, 2023 Email Drain problems? Day or night, call NapaSan first! If the problem is in NapaSan’s portion of the sewer line, they’ll fix it! Call (707) 258-600 ext. 9. These services are FREE and could save you a plumber’s fee! Their answering service will take your name, address, and telephone number, and a member of the NapaSan crew will call you back or be on your doorstep within 30 minutes. www.napasan.com