A Southern California man in an upscale neighborhood allegedly killed his parents and their housekeeper, police say.

Camden Burton Nicholson, a 27-year-old from Newport Beach, California, was arrested Wednesday for the killings of his mother Kim Nicholson, 61, father Richard Nicolson, 64, and their housekeeper Maria Morse, 57, the city's police department said.

Police in Irvine, California, first came in contact with Nicholson the night before at a local hospital's emergency room and requested that Newport Beach police do a wellness check at the home.

When police investigated and found the three bodies at the house, Nicholson was detained at Irvine Medical Center, Newport Beach police said. Police have not indicated an alleged motive.

Nicholson was charged with three counts of murder and delayed entering into a plea at a court appearance Friday, the Los Angeles Times reported.

Online records indicate Nicholson is being held without bail and is scheduled to appear again in court on March 8.

According to KTLA-TV, the killings took place in the "upscale gated community of Bonita Canyon."

Neighbor Leslie Seigel told the TV station the family were "just wonderful people."

"I can't imagine taking my walks and, you know, not stopping and talking to them," she said. "It's too surreal right now."

Richard Nicholson worked in the clinical laboratory industry and was a previous president of the California Clinical Laboratory Association, according to the Associated Press.

Morse's daughter Miriam Trujillo told the Orange County Register that her mother worked for the family for over 10 years and became close with them.

"I got a feeling something bad happened," husband Wayne Morse told the newspaper he felt when his wife didn't come home from work.