Riverside County Supervisor, First District - Kevin Jeffries Back to Search Riverside County Supervisor, First District - Kevin Jeffries Categories Government Education & Individuals 4080 Lemon St., 5th Fl. , Riverside , CA , 92501 (951) 955-1010 http://www.rivcodistrict1.org Contacts Primary Kevin Jeffries Ms. Kirsten Justice Share × Print Email Facebook LinkedIn X Pinterest Powered By GrowthZone