- P.O. Box 1085, Yreka, CA 96097 Email Us Phone: (530) 842-8200, or 888-854-2000; Fax: (530) 842-8211 Siskiyou County Planning Department Site Guide Planning Commission LAFCO SAGE Contact Agendas Minutes Applications Zoning Census Links Click on Cities/Counties to View Local Information The Planning Department provides support for the Planning Commission, the Local Agency Formation Commission ...www.co.siskiyou.ca.us/planning