| Article |
Location |
Date |
Number killed
|
Number injured |
Description
|
| Leung Ying
|
Fairfield
|
1928-08-22
|
11
|
4
|
Shooting spree at former workplace
|
| 1965 Highway 101 sniper attack |
Orcutt (nearby) |
1965-04-25 |
4
|
10 |
Teenager shot at cars on highway
|
| William Ray Bonner |
Los Angeles |
1973-04-22 |
7
|
9 |
Shooting spree
|
| California State University, Fullerton massacre |
Fullerton |
1976-07-12 |
7
|
2 |
Workplace violence
|
| Cleveland Elementary School shooting (San Diego) |
San Diego |
1979-01-29 |
2
|
9 |
School shooting
|
| Tyrone Mitchell |
Los Angeles |
1984-02-24 |
3
|
12 |
School shooting
|
| San Ysidro McDonald's massacre |
San Ysidro |
1984-07-18 |
23
|
19 |
Deadliest US mass shooting at time
|
| Richard Farley |
Sunnyvale |
1988-02-16 |
7
|
4 |
Stalking/workplace violence
|
| Cleveland Elementary School shooting (Stockton) |
Stockton |
1989-01-17 |
6
|
32 |
School shooting
|
| Ramon Salcido |
Sonoma |
1989-04-14 |
7
|
|
Domestic violence; familicide
|
| Dana Ewell
|
Fresno
|
1992-04-19
|
3
|
|
Murder for hire for financial gain
|
| Lindhurst High School shooting |
Olivehurst |
1992-05-01 |
4
|
10 |
School shooting
|
| Lynwood Drake |
Paso Robles/Morro Bay |
1992-11-07 |
7
|
2 |
Shooting spree
|
| 101 California Street shooting |
San Francisco |
1993-07-01 |
9
|
6 |
Attack on a law firm.
|
| North Hollywood shootout |
North Hollywood |
1997-2-28 |
2 |
20 |
Bank robbery and subsequent shootout
|
| Los Angeles Jewish Community Center shooting |
Granada Hills and Chatsworth |
1999-08-10 |
1 |
5 |
anti-Semitic terrorist attack by Aryan Nations member
|
| 2001 Nevada County shootings |
Nevada County |
2001-01-10 |
3
|
3 |
Shooting spree
|
| Santana High School shooting |
Santee |
2001-03-05 |
2
|
13 |
School shooting
|
| Marcus Wesson |
Fresno |
2004-03-12 |
9
|
|
Domestic violence; familicide
|
| Goleta postal facility shootings |
Goleta |
2006-01-30 |
8
|
|
Workplace violence
|
| Covina massacre |
Covina |
2008-12-24 |
10
|
|
Domestic violence
|
| 2011 Seal Beach shooting |
Seal Beach |
2011-10-12 |
8
|
1 |
Mass shooting at a hair salon
|
| Southern California Edison shooting |
Irwindale |
2011-12-16 |
3
|
2 |
Workplace shooting, power company
|
| 2012 Oikos University shooting |
Oakland |
2012-04-02 |
7
|
2 |
School shooting
|
| 2012 Anaheim, California police shooting and protests |
Anaheim |
2012-07-21 |
2
|
6 |
Protests after police officer killings
|
| Fresno meat plant shooting |
Fresno |
2012-11-6 |
3 |
2
|
| Christopher Dorner shootings and manhunt |
Los Angeles (and nearby) |
2013-02-3 to 2013-02-12 |
5
|
|
Attack on the police
|
| 2013 Santa Monica shootings |
Santa Monica |
2013-06-07 |
6
|
2 |
School shooting
|
| Salinas taqueria shooting |
Salinas |
2013-06-07 |
3
|
4 |
Gang-related fight and shooting
|
| 2014 Isla Vista killings |
Isla Vista |
2014-05-23 |
6
|
14 |
Shooting spree
|
| Shootings of Sacramento County law enforcement officers |
Sacramento |
2014-10-24 |
2
|
2 |
Shooting of Sacramento County sheriff's deputies
|
| Shooting of The Jacka |
Oakland |
2015-02-02 |
1
|
|
Rapper shot
|
| 2015 San Bernardino attack |
San Bernardino |
2015-12-02 |
16
|
24 |
Islamic Terrorist attack at the workplace.
|
| 2017 Fresno shootings |
Fresno |
2017-04-18 |
4
|
|
African-American man targeted White victims at several locations.
|
| Rancho Tehama shootings |
Rancho Tehama |
2017-11-13 to 2017-11-14 |
6
|
18 |
Shooting spree across 8 locations
|
| Thousand Oaks shooting |
Thousand Oaks |
2018-11-07 |
13
|
16 |
Mass shooting at a restaurant
|
| Tulare County shootings |
Tulare County |
2018-12-16 |
3
|
7 |
Shooting spree in several locations
|
| Poway synagogue shooting |
Poway |
2019-04-27 |
1 |
3 |
Antisemitic terrorist attack inspired by the Pittsburgh synagogue shooting and the Christchurch mosque shootings.
|
| Gilroy Garlic Festival shooting |
Gilroy |
2019-07-28 |
4
|
12 |
Mass shooting
|
| Orinda shooting |
Orinda |
2019-10-31 |
5
|
4 |
Mass shooting that occurred during a house party.
|
| 2019 Saugus High School shooting |
Santa Clarita |
2019-11-14 |
2
|
5 |
School shooting
|
| 2019 Fresno shooting |
Fresno |
2019-11-17 |
4
|
6 |
A group of family and friends were gathered in a backyard Sunday to watch a football game when two gunmen sneaked into the yard and began shooting.
|
| Shooting of Pop Smoke |
Hollywood Hills, Los Angeles |
2020-02-19 |
1
|
|
Rapper shot; arrests made
|
| 2020 boogaloo murders |
Oakland |
2020-05-30 |
2
|
3 |
Attacks on law enforcement during the George Floyd protests.
|
| Aguanga shooting |
Aguanga |
2020-09-07 |
7
|
|
Unsolved case, investigated by police if related to a marijuana grow
|
| 2021 San Jose shooting |
San Jose |
2021-05-26 |
10
|
|
Mass shooting; workplace violence
|
| 2022 Sacramento shooting |
Sacramento |
2022-04-03 |
6 |
12 |
Mass shooting; Gang War
|
| 2022 Laguna Woods shooting |
Laguna Woods, California |
2022-05-15 |
1 |
5 |
Hate crime at a church.
|
| 2022 Oakland school shooting |
Oakland |
2022-09-28 |
1 |
5 |
Mass shooting, unsolved and alleged by police to be gang-related.
|
| 2022 Oakland party shooting |
Oakland |
2023-01-16 |
2 |
2 |
Two juveniles held.
|
| 2023 Goshen shooting |
Goshen |
2023-01-16 |
6 |
0 |
Unsolved alleged cartel massacre at a house.
|
| 2023 Monterey Park shooting |
Monterey Park |
2023-01-21 |
12 |
9 |
Mass shooting during Lunar New Year celebrations
|
| 2023 Half Moon Bay shootings |
Half Moon Bay |
2023-01-23 |
7 |
1 |
Workplace violence at two farms.
|
| 2023 Trabuco Canyon shooting
|
Trabuco Canyon, California
|
2023-08-23
|
4
|
6
|
Mass shooting at bar, gunman targeted his ex-wife
|
