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.
If you're heading out to Sacramento area shopping malls this holiday season, you'll likely notice more police officers on patrol. Police say criminal activity historically ticks-up during the season.
Sac State police are reporting a sexual assault took place last Sunday on campus.
Ten days after a Grant Union High School football player was killed and a teammate was injured by gunfire, the Sacramento Police Department continues to ask for anyone with information to step forward.
Police are requesting help from the community in locating an individual responsible for a bank robbery.