A Baltimore man suspected of tossing Molotov cocktails into parked vehicles in Pasadena early this year has been charged with arson and other offenses. A burning car also damaged a nearby home.

Charles Earnest Maynard, 49, was charged Friday with nine counts, including first- and second-degree arson, malicious burning of personal property, manufacturing and use of a destructive device, and destruction of property, according to electronic court records. He faces 75 years in prison and more than $300,000 in fines.

After a six-month investigation, county fire investigators said they linked Mr. Maynard to a house fire and several...