RANCHO CUCAMONGA (CBS) — Three men have been found dead inside a home in Rancho Cucamonga, according to authorities.

The home is located in the 8400 block of Autumn Leaf Drive.

Police say the men were working for the homeowner. It is believed the men were all overcome by paint fumes.

The exact cause of death has not been determined.

Authorities said there was no sign of trauma or foul play.

The deaths are being investigated as an accident.

A neighbor told KCAL9 that the workers may have been in the home for several days.

The bodies were reportedly discovered Friday by a real estate agent who purchased the home.

Saturday, the San Bernardino County Coroner’s office released the names and ages of the victims: Francisco Corado, 27, of Cathedral City; Oscar Aguirre, 44, of Cathedral City and Jahiron Aaron Mejia-Morales, 24, city of residence unknown.