CBS News Bay Area reached out to Tough Mudder and Sonoma County Health but have not heard back as of Wednesday night.

A subsequent survey created by the Sonoma County epidemiology team and disseminated by Tough Mudder to participants, ...

The search began at about 10 p.m. Saturday after someone called the Sonoma County Sheriff’s Office saying they had not heard from the group, according to Deputy Rob Dillion, a sheriff’s spokesman.

A controversial ban on large animal farms in Sonoma County appears to be heading for a major defeat, as early returns show 85% of the voters rejecting Measure J. The citizen initiative would have ...

Declining enrollment and fiscal reality force Sonoma Valley school board to consider possible school closures.

A Sonoma County community’s efforts to clean and restore their neighborhood lake may have helped save their homes from a wildfire. Some Penngrove residents have spent the past year removing ...

Sonoma County’s sheriff’s oversight agency is appealing a September court ruling that significantly limits its ability to subpoena information from deputies’ personnel files during whistleblower ...

Construction has begun on a six-story hotel located two blocks from Charles M. Schulz-Sonoma County Airport. This device is unable to display framed content. Click here to view this embed.

Northern California's Sonoma County is a dream destination for wine and food lovers. The area's diverse geography and multitude of microclimates provide an optimal environment for producing world ...

Results are a combination of data provided by the Associated Press (AP) and county election offices. The AP calls winners by analyzing vote tallies and other election data. Check marks are used to ...