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Cooperative Extension County Offices in California

(Courtesy on the UC Department of Agriculture and Natural Resources)

Your county's Cooperative Extension Office is a great resource for solving plant problems!

Location: Alameda County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension Alameda County, 1131 Harbor Bay Parkway, Suite 131
Alameda CA 94502

Email: cealameda@ucdavis.edu

Phone: (510) 567-6812

FAX: (510) 567-6813

URL: http://cealameda.ucdavis.edu/index.cfm


Location: Amador County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension Amador County, 12200 Airport Road
Jackson CA 95642-9527

Email: ceamador@ucdavis.edu

Phone: (209) 223-6482

FAX: (209) 223-3279

URL: http://ceamador.ucdavis.edu


Location: Antelope Valley

Cooperative Extension County Offices

Mail Address:

Cooperative Extension Los Angeles County, Antelope Valley Office, 335-A E Avenue K-6
Lancaster CA 93535

Email:

Phone: (661) 723-4477

FAX: (661) 723-3751


Location: Butte County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension Butte County, 2279-B Del Oro Avenue
Oroville CA 95965

Email: cebutte@ucdavis.edu

Phone: (530) 538-7201

FAX: (530) 538-7140


Location: Calaveras County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension Calaveras County, 891 Mountain Ranch Road, Government Center
San Andreas CA 95249

Email: cecalaveras@ucdavis.edu

Phone: (209) 754-6477

FAX: (209) 754-6472

URL: http://cecalaveras.ucdavis.edu/


Location: Colusa County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension Colusa County, PO Box 180, 100 Sunrise Boulevard, Suite E
Colusa CA 95932

Email: cecolusa@ucdavis.edu

Phone: (530) 458-0570

FAX: (530) 458-4625


Location: Contra Costa County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension Contra Costa County, 75 Santa Barbara Road, 2nd Floor
Pleasant Hill CA 94523-4488

Email: cecontracosta@ucdavis.edu

Phone: (925) 646-6540

FAX: (925) 646-6708


Location: Del Norte County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension Del Norte County, 586 G St.
Crescent City CA 95531

Email: cedelnorte@ucdavis.edu

Phone: (707) 464-4711

FAX: (707) 464-7520


Location: El Dorado County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension El Dorado County, 311 Fair Lane
Placerville CA 95667

Email: ceeldorado@ucdavis.edu

Phone: (530) 621-5502

FAX: (530) 642-0803

URL: http://ceeldorado.ucdavis.edu


Location: Fresno County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension Fresno County, 1720 South Maple Avenue
Fresno CA 93702

Email: cefresno@ucdavis.edu

Phone: (559) 456-7285

FAX: (559) 456-7575


Location: Glenn County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension Glenn County, PO Box 697
Orland CA 95963

Email: ceglenn@ucdavis.edu

Phone: (530) 865-1107 TDD: 1-800-698-4544

FAX: (530) 865-1109


Location: Humboldt/Del Norte Counties

Cooperative Extension County Offices

Mail Address:

Cooperative Extension Humboldt County, 5630 South Broadway, Agricultural Center Building
Eureka CA 95503-6998

Email: cehumboldt@ucdavis.edu

Phone: (707) 445-7351

FAX: (707) 444-9334


Location: Imperial County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension Imperial County, 1050 East Holton Road
Holtville CA 92250-9615

Email: ceimperial@ucdavis.edu

Phone: (760) 352-9474

FAX: (760) 352-0846


Location: Inyo/Mono Counties

Cooperative Extension County Offices

Mail Address:

Cooperative Extension Inyo-Mono Counties, 207 West South Street
Bishop CA 93514

Email: ceinyomono@ucdavis.edu

Phone: (760) 873-7854

FAX: (760) 872-1610


Location: Kern County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension Kern County, 1031 South Mount Vernon Avenue
Bakersfield CA 93307

Email: cekern@ucdavis.edu

Phone: (661) 868-6200

FAX: (661) 868-6208


Location: Kings County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension Kings County, 680 North Campus Drive, Suite A
Hanford CA 93230

Email: cekings@ucdavis.edu

Phone: (559) 582-3211 Ext 2730

FAX: (559) 582-5166


Location: Lake County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension Lake County, 883 Lakeport Boulevard
Lakeport CA 95453

Email: celake@ucdavis.edu

Phone: (707) 263-6838

FAX: (707) 263-3963


Location: Lassen County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension Lassen County, 707 Nevada Street
Susanville CA 96130

Email: celassen@ucdavis.edu

Phone: (530) 257-6363

FAX: (530) 257-6129


Location: Los Angeles County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension Los Angeles County, 2 Coral Circle
Monterey Park CA 91755

Email: celosangeles@ucdavis.edu

Phone: (323) 838-8330

FAX: (323) 838-7449


Location: Madera County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension Madera County, 328 Madera Avenue
Madera CA 93637

Email: cemadera@ucdavis.edu

Phone: (559) 675-7879

FAX: (559) 675-0639


Location: Marin County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension Marin County, 1682 Novato Boulevard, Suite 150-B
Novato CA 94947

Email: cemarin@ucdavis.edu

Phone: (415) 499-4204 4-H (415) 499-4207

FAX: (415) 499-4209


Location: Mariposa County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension Mariposa County, 5009 Fairgrounds Road
Mariposa CA 95338-9435

Email: cemariposa@ucdavis.edu

Phone: (209) 966-2417

FAX: (209) 966-5321


Location: Mendocino County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension Mendocino County, Agricultural Center, 579 Low Gap Road
Ukiah CA 95482

Email: cemendocino@ucdavis.edu

Phone: (707) 463-4495

FAX: (707) 463-4477


Location: Merced County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension Merced County, 2145 West Wardrobe Avenue
Merced CA 95340-6496

Email: cemerced@ucdavis.edu

Phone: (209) 385-7403

FAX: (209) 722-8856


Location: Modoc County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension Modoc County, 202 West 4th Street
Alturas CA 96101

Email: cemodoc@ucdavis.edu

Phone: (530) 233-6400

FAX: (530) 233-3840


Location: Monterey County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension Monterey County, 1432 Abbott Street
Salinas CA 93901

Email: cemonterey@ucdavis.edu

Phone: (831) 759-7350

FAX: (831) 758-3018


Location: Napa County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension Napa County, 1710 Soscol Avenue, Suite 4
Napa CA 94559-1315

Email: cenapa@ucdavis.edu

Phone: (707) 253-4221 (707) 944-2006

FAX: (707) 253-4434


Location: Nevada County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension Nevada County, 255 South Auburn Street, Veterans Memorial Building
Grass Valley CA 95945

Email: cenevada@ucdavis.edu

Phone: (530) 273-4563

FAX: (530) 273-4769


Location: Orange County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension Orange County, 1045 Arlington Drive, Gate 4
Costa Mesa, CA 92626

Email: ceorange@ucdavis.edu

Phone: (714) 708-1606

FAX: (714) 708-2754


Location: Placer/Nevada Counties

Cooperative Extension County Offices

Mail Address:

Cooperative Extension Placer County, DeWitt Center, 11477 E Avenue
Auburn CA 95603

Email: ceplacer@ucdavis.edu

Phone: (530) 889-7385

FAX: (530) 889-7397


Location: Plumas/Sierra Counties

Cooperative Extension County Offices

Mail Address:

Cooperative Extension Plumas-Sierra Counties, 208 Fairgrounds Road
Quincy CA 95971

Email: ceplumassierra@ucdavis.edu

Phone: (530) 283-6270

FAX: (530) 283-4210


Location: Riverside County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension Riverside County, 21150 Box Springs Road
Moreno Valley CA 92557-8708

Email: ceriverside@ucdavis.edu

Phone: (909) 683-6491

FAX: (909) 788-2615


Location: Sacramento County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension Sacramento County, 4145 Branch Center Road
Sacramento CA 95827-3898

Email: cesacramento@ucdavis.edu

Phone: (916) 875-6913

FAX: (916) 875-6233


Location: San Benito County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension San Benito County, 335 West Street
Hollister CA 95023-3952

Email: cesanbenito@ucdavis.edu

Phone: (831) 637-5346

FAX: (831) 637-7111


Location: San Bernadino County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension San Bernardino County, 777 East Rialto Avenue
San Bernardino CA 92415-0730

Email: cesanbernardino@ucdavis.edu

Phone: (909) 387-2171

FAX: (909) 387-3306


Location: San Diego County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension San Diego County, 5555 Overland Avenue, Building 4
San Diego CA 92123-1219

Email: cesandiego@ucdavis.edu

Phone: (858) 694-2845

FAX: (858) 694-2849

URL: http://cesandiego.ucdavis.edu


Location: San Francisco County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension San Mateo-San Francisco Counties, San Francisco County Office, 300 Piedmont Avenue, Building B, Room 227
San Bruno CA 94066

Email: cesanfrancisco@ucdavis.edu

Phone: (650) 871-7559

FAX: (650) 871-7399


Location: San Joaquin County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension San Joaquin County, 420 South Wilson Way
Stockton CA 95205

Email: cesanjoaquin@ucdavis.edu

Phone: (209) 468-2085

FAX: (209) 462-5181


Location: San Luis Obispo County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension San Luis Obispo County, 2156 Sierra Way, Suite C
San Luis Obispo CA 93401

Email: cesanluisobispo@ucdavis.edu

Phone: (805) 781-5940

FAX: (805) 781-4316


Location: San Mateo County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension San Mateo-San Francisco Counties, San Mateo County Office, 625 Miramontes, Suite 200
Half Moon Bay CA 94019

Email: cesanmateo@ucdavis.edu

Phone: (650) 726-9059

FAX: (650) 726-9267


Location: Santa Barbara County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension Santa Barbara County, 624 West Foster Road, Suite A
Santa Maria CA 93455

Email: cesantabarbara@ucdavis.edu

Phone: (805) 692-1730

FAX: (805) 934-6333


Location: Santa Clara County

Cooperative Extension County Offices

Mail Address:

UCCE Santa Clara County 700 Empey Way
San Jose CA 95128

Email: cesantaclara@ucdavis.edu

Phone: (408) 299-2635

FAX: (408) 298-5160


Location: Santa Cruz County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension Santa Cruz County, 1432 Freedom Boulevard
Watsonville CA 95076-2796

Email: cesantacruz@ucdavis.edu

Phone: (831) 763-8040

FAX: (831) 763-8006


Location: Shasta County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension Shasta County, 1851 Hartnell Avenue
Redding CA 96002-2217

Email: ceshasta@ucdavis.edu

Phone: (530) 224-4900

FAX: (530) 224-4904


Location: Siskiyou County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension Siskiyou County, 1655 South Main Street
Yreka CA 96097

Email: cesiskiyou@ucdavis.edu

Phone: (530) 842-2711

FAX: (530) 842-6931


Location: Solano County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension Solano County, 501 Texas Street
Fairfield CA 94533-4498

Email: cesolano@ucdavis.edu

Phone: (707) 421-6790

FAX: (707) 429-5532


Location: Sonoma County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension Sonoma County, 2604 Ventura Avenue, Room 100, County Administration Center
Santa Rosa CA 95403-2894

Email: cesonoma@ucdavis.edu

Phone: (707) 565-2621

FAX: (707) 565-2623

URL: http://cesonoma.ucdavis.edu/


Location: Stanislaus County

Cooperative Extension County Offices

Mail Address:

University of California Cooperative Extension 3800 Cornucopia Way, Suite A. Corner of Service and Crows Landing
Modesto CA 95358

Email: cestanislaus@ucdavis.edu

Phone: (209) 525-6800

FAX: (209) 525-6840


Location: Sutter/Yuba Counties

Cooperative Extension County Offices

Mail Address:

Cooperative Extension Sutter-Yuba Counties, 142-A Garden Highway, Sutter County Agricultural Building
Yuba City CA 95991-5593

Email: cesutteryuba@ucdavis.edu

Phone: (530) 822-7515

FAX: (530) 673-5368


Location: Tehama County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension Tehama County, 1754 Walnut Street
Red Bluff CA 96080

Email:

Phone: (530) 527-3101

FAX: (530) 527-0917


Location: Trinity County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension Shasta County, Trinity Office, PO Box 490, Trinity County Fairgrounds
Hayfork CA 96041

Email: cetrinity@ucdavis.edu

Phone: (530) 628-5495

FAX: (530) 628-4171


Location: Tulare County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension Tulare County, 4437 S. Laspina St., Ste. B
Tulare, CA 93274

Email: cetulare@ucdavis.edu

Phone: (559) 685-3303

FAX: (559) 685-3319

URL: http://www.ucce.tulare.ca.us/


Location: Tuolumne County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension Tuolumne County, 2 South Green Street
Sonora CA 95370

Email: cetuolumne@ucdavis.edu

Phone: (209) 533-5695

FAX: (209) 532-8978


Location: Ventura County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension Ventura County, 669 County Square Drive, #100
Ventura CA 93003-5401

Email: ceventura@ucdavis.edu

Phone: (805) 645-1451

FAX: (805) 645-1474


Location: Yolo County

Cooperative Extension County Offices

Mail Address:

Cooperative Extension Yolo County, 70 Cottonwood Street
Woodland CA 95695

Email: ceyolo@ucdavis.edu

Phone: (530) 666-8143

FAX: (530) 666-8736


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