| County | Local Name | Email/Phone | Address |
| Green Party of California | 916-448-3437 |
PO Box 2828 Sacramento, CA 95812 |
|
| Alameda | Green Party of Alameda County | 510.6442293 |
2022 Blake Street Berkeley, CA 94704 |
| Alameda | City of Alameda Green Party | ||
| Alameda | Oakland Greens | oakland@cagreens.org | |
| Alpine | Green Party of Alpine County | Inactive | |
| Amador | Green Party of Amador County | Inactive | |
| Butte | Green Party of Butte County | 530.891.1815 |
PO Box 3003 Chico, CA 95927 |
| Calaveras | Calaveras Green Party | PO Box 1624 San Andreas, CA 95249 |
|
| Colusa | Green Party of Colusa County | Inactive | |
| Contra Costa | Green Party of Contra Costa County | 925.695.3112 |
P. O. Box 1262 El Cerrito, CA 94530 |
| Contra Costa | Richmond Greens | 510.496.2722 |
P.O. Box 160 -Station A Richmond, CA 94808-0160 |
| Contra Costa | El Cerrito Greens | 510.260.9393 |
P. O. Box 1262 El Cerrito, CA 94530 |
| Contra Costa | Diablo Greens | 925.671.7025 |
P. O. Box 3333 Walnut Creek, CA 94598 |
| Del Norte | Green Party of Del Norte County | Inactive | |
| El Dorado | Green Party of El Dorado County | 520.620.6659 |
|
| Fresno | Fresno County Green Party | (559) 227-0293 |
4422 N. Prospect Ave. Fresno, CA 93722 |
| Glenn | Green Party of Glenn County | Inactive | |
| Humboldt | Green Party of Humboldt County | 707-668-1694 |
P. O. Box 565 Arcata, CA 95518 |
| Imperial | Green Party of Imperial County | inactive | |
| Inyo | Green Party of Inyo County | 760-878-9115 |
P.O. Box 311 Independence, CA 93526 |
| Kern | Green Party of Kern County | Inactive | |
| King | Green Party of Kings County | Inactive | |
| Lake | Green Party of Lake County | ||
| Lassen | Green Party of Lassen County | Inactive | |
| Los Angeles | Green Party of Los Angeles County | PO Box 82222 Los Angeles, CA 90082 |
|
| Los Angeles | Arroyo Seco Greens | Pasadena | |
| Los Angeles | L.A. Greens | 310-559-4037 |
8124 W. Third Street, Ste 103 Los Angeles, CA 90048 |
| Los Angeles | Long Beach Greens | 562-252-4196 |
|
| Los Angeles | San Fernando Valley Greens | 818.380.1252 |
8843 Penfield Ave Northridge, CA 91324 |
| Los Angeles | Santa Monica Greens | Santa Monica | |
| Los Angeles | South Central Greens | (323) 242-9665 |
Box 111406 Los Angeles, CA 90011 |
| Madera | Green Party of Madera County | Inactive | |
| Marin | Green Party of Marin County | 415-259-7121 |
|
| Mariposa | Green Party of Mariposa County | Inactive | |
| Mendocino | Green Party of Mendocino County | 707.937.4295 |
PO Box 127 Albion, CA 95410 |
| Merced | Green Party of Merced County | PO Box 641 Merced CA 95341 |
|
| Modoc | Green Party of Modoc County | Inactive | |
| Mono | Green Party of Mono County | Inactive | |
| Monterey | Green Party of Monterey County | 831.373.1061 |
c/o Monterey Peace and Justice Center Mariposa Hall, Suite 102 801 Lighthouse Avenue Monterey, CA 93940 |
| Napa | Napa County Green Party | 707.257.7435 |
|
| Nevada | Green Party of Nevada County | 530.274.0360 |
17106 Alexandra Way Grass Valley, CA 95949 |
| Orange | Green Party of Orange County | 949.559.7336 |
P.O Box 53561 Irvine CA 92619-3561 |
| Placer | Placer County Green Party | 916-663-1638 |
PO Box 3083 Auburn, CA 95604 |
| Plumas | Green Party of Plumas County | Inactive | |
| Riverside | Green Party of Riverside County | 951.943.7165 |
|
| Sacramento | Green Party of Sacramento County | P.O. Box 2082 Sacramento, CA 95812 |
|
| San Benito | Green Party of San Benito County | ||
| San Bernardino | Green Party of San Bernardino County | 909.877.5688 |
|
| San Diego | Green Party of San Diego County | (619) 793-5397 |
166 N 1st Street, Unit 4 El Cajon, CA 92021 |
| San Francisco | Green Party of San Francisco County | 415-480-GPSF (4773) |
Mail-only: 288 Onondaga Ave, Apt. 4, San Francisco, CA 94112 |
| San Joaquin | Green Party of San Joaquin | Inactive | |
| San Luis Obispo | Green Party of San Luis Obispo County | 805.544.1580 |
P.O. Box 13244 San Luis Obispo, CA 93406 |
| San Mateo | Green Party of San Mateo County | 650.273.1585 |
PO Box 6886 San Carlos, CA 94070-6886 |
| San Mateo | Daly City Greens | ||
| Santa Barbara | Green Party of Santa Barbara County | 805.884.8259 |
PO Box 92141 Santa Barbara, CA 93190 |
| Santa Clara | Green Party of Santa Clara County | 408.22-EARTH |
PO Box 390372 Mountain View, CA 94039 |
| Santa Cruz | Green Party of Santa Cruz County | PO Box 7590 Santa Cruz, CA 95061 |
|
| Shasta | Green Party of Shasta County | 530.241.8421 |
16509 Powerline Road Redding, CA 96001 |
| Sierra | Green Party of Sierra County | Inactive | |
| Siskiyou | Green Party of Siskiyou County | Inactive | |
| Solano | Solano County Green Party | 707.674.2502 |
PO Box 2386 Benicia, CA 94510 |
| Sonoma | Green Party of Sonoma County | PO Box 15073 Santa Rosa, CA 95402 |
|
| Stanislaus | Green Party of Stanislaus County | Inactive | |
| Sutter | Green Party of Sutter County | Inactive | |
| Tehama | Green Party of Tehama County | Inactive | |
| Trinity | Green Party of Trinity County | Inactive | |
| Tulare | Green Party of Tulare County | 559-684-0197 |
|
| Tuolumne | Green Party of Tuolumne County | Inactive | |
| Ventura | Green Party of Ventura County | 805-628-3198 |
PO Box 487 Ventura, CA 93002 |
| Yolo | Green Party of Yolo County | P.O. Box 8777 Woodland, CA 95776-8777 |
|
| Yuba | Green Party of Yuba County | Inactive | |
The 
symbol indicates a
college campus organization