The woman was pronounced dead at the scene. She was identified as Carmen King, 63. She was discovered by neighbors.
Detectives were seeking Emelio Martinez, 51, as a person of interest in the case.
King's burgundy four-door 2000 Dodge Stratus was reportedly missing from the residence. The car had California license plate number 4JMC641.
Martinez and the victim reportedly lived together.
Anyone with information about the case is urged to contact the Los Angeles County Sheriff's Department's Homicide Bureau at (323) 890-5500. To remain anonymous, call Crime Stoppers by dialing (800) 222-TIPS or texting the letters TIPLA plus your tip to CRIMES (274637), or by using the website Los Angeles Crime Stoppers.
City News Service contributed to this report.