Assistant District Attorney Anna Ferguson said 41-year-old Kurt Schoemig was charged Monday with two counts of involuntary manslaughter.
She said in a statement he "played a substantial factor" in causing the deaths of 69-year-old Albert Senzatimore of San Jose and 57-year-old Gary Trovinger of Los Gatos at Trovinger's home in Tahoe Donner in October.
Ferguson said Schoemig, president of Cedar Ridge Builders, didn't have the necessary permit for work done last year.
Police say an employee cut a furnace exhaust pipe, but the project wasn't completed, leaving the pipe to vent into the home when the heater started.
New details about suspected human trafficking at a large marijuana grow operation were released Tuesday by the Calaveras County Sheriff’s Office.
A Woodland woman whose infant son was found dead near the Sacramento River in 2015 has been convicted of murder.
The Yuba County Sheriff's Department says it has solved the 1973 shotgun deaths of two middle-school-age girls. Two men have been arrested.
Sacramento Kings Guard Darren Collison has pleaded guilty to a domestic battery charge in Placer County. Collison was arrested in May at his Granite Bay home after his wife filed a complaint about being assaulted.