UCCE County Websites To navigate to UCCE County websites click on the link(s) below: Alameda Marin San Mateo Alpine Mariposa Santa Barbara Amador Mendocino Santa Clara Butte Merced Santa Cruz Calaveras Modoc Shasta Colusa Mono Sierra Contra Costa Monterey Siskiyou Del Norte Napa Solano El Dorado Nevada Sonoma Fresno Orange Stanislaus Glenn Placer Sutter Humboldt Plumas Tehama Imperial Riverside Trinity Inyo Sacramento Tulare Kern San Benito Tuolumne King San Bernardino Ventura Lake San Diego Yolo Lassen San Francisco Yuba Los Angeles San Joaquin Madera San Luis Obispo