Resource Directory Back to Search Jefferson County Extension Categories CSU Office of Engagement / Extension 15200 West 6th Avenue. Frontage Road, Unit C , Golden , CO , (303) 271-6620 http://www.jeffcoextension.org/ Contacts Primary Jeni Carter County Extension Director Share × Print Email Facebook LinkedIn X Pinterest Powered By GrowthZone For CLA MembersTo access complete contact information or to update your profile, log in to the CLA Member Portal here! Click Here