Two teens found the body of a 54-year-old Keith Paulsen early Tuesday in Kennewick.
The Kennewick man had been reported as a missing person.
Police said Paulsen appeared to be living as a transient. He was found near the 600 block of East Columbia Drive. His body may have been there for 12 to 16 hours, police said.
The Benton County coroner said Paulsen died of natural causes and toxicology results are pending. Foul play is not suspected.