Sedro Woolley Sanitation 720 Murdock St Sedro Woolley, WA 98284 Phone : (360) 855-0929 Business Category Environmental Conservation & Ecological Services Sedro Woolley City Of--sanitation, Business Office Sedro Woolley, WA 98284 Phone : (360) 855-0929 Business Category Government Offices-City Village & Twp Government Offices State & Local Government Offices & Public Schools Sedro Woolley City Of--sewer, Business Office Sedro Woolley, WA 98284 Phone : (360) 855-0929 Business Category Government Offices-City Village & Twp Government Offices State & Local Government Offices & Public Schools