Contra Costa County

A young American crow from El Cerrito tested positive for West Nile virus in Contra Costa County in 2026, marking the first bird case this year. No human cases have been reported, but mosquitoes from Martinez and another location tested positive for the virus.

California voters are increasingly rejecting ballot measures that add new taxes, despite the state's high tax burden. Recent election results show declining approval rates for tax increases, including rejections in San Francisco and other Democratic-leaning regions.

PG&E is warning customers about a new barcode scam linked to over $211,000 in losses for Bay Area residents in 2026, with most victims reported in Alameda, Santa Clara, and Contra Costa counties.

Contra Costa County Sheriff's Office and Coroner's Division identified an 18-year-old woman as Layla White, who was found dead in February. Authorities announced the identification on June 12 after a social worker recognized publicly released information.

Immigration advocates in Martinez, California, rallied to urge Contra Costa County leaders to adopt a non-cooperation policy with federal immigration agencies. The Contra Costa Immigrant Rights Alliance pushed the county board of supervisors' equity committee to approve a draft policy aimed at preventing collaboration with ICE.

California voters delivered a split decision on healthcare tax measures, with Los Angeles County's Measure ER leading narrowly and Contra Costa County's Measure B failing. The divide is attributed to cost-of-living anxiety, with critics citing regressive tax impacts and rising gas prices as key factors.

FBI agents raided the office in Martinez and the homes of Contra Costa County tax assessors Gus Kramer and Vince Robb as part of an ongoing investigation. Kramer served as county assessor for 30 years, and Robb was elected to succeed him.

The article discusses California's Primary Election, highlighting election workers sorting ballots at Contra Costa County's election operations facility in Martinez, Calif.

The article provides updates on the June 2026 primary election results for Sonoma County, with additional references to results from other California counties. Election results will be updated after polls close at 8 p.m. Tuesday, focusing on the California governor's race.

The article provides updates on the June 2026 election results for Alameda County and other California counties, including Contra Costa, Marin, Napa, San Francisco, San Mateo, Santa Clara, Solano, and Sonoma. Results for the California governor's race in the June 2026 primary will be updated after polls close at 8 p.m. Tuesday.

Contra Costa County June 2026 election results are part of a series covering multiple counties in California. Election updates will be provided after polls close at 8 p.m. Tuesday, including the California governor's race primary results.

An invasive glassy-winged sharpshooter pest, which spreads Pierce’s disease fatal to grapevines, was discovered in hundreds of plants sold at Costco stores in the Bay Area. The infested grapevines originated from Burchell Nursery in Fresno County, prompting counties including Napa, Contra Costa, and Marin to issue alerts and destroy most of the plants.

Three men from Northern California were arrested at gunpoint by Irvine police outside a bank and charged with conspiracy, with two facing robbery charges. The men are from Contra Costa County and Alameda County. A woman had withdrawn cash from the bank near Culver Drive and Alton Parkway last month.