Oxnard police officers were called to the 100 block of N. Oxnard Blvd. by a report of a deceased male at about 9:30 a.m. Friday.
Police detectives opened a suspicious-death investigation as a result.
An autopsy conducted by the Ventura County Medical Examiner's Office determined the man died of natural causes.
The deceased man's identity was not released pending notification of next of kin.
Anyone with information about this death is urged to contact Detective Jeff Kay at (805) 385-7650 or the violent crimes hotline at (805) 982-7070.
If you wish to remain anonymous you may contact Ventura County Crime Stoppers at (800) 222-8477 or visit their website at http://www.venturacountycrimestoppers.org/index.aspx to submit a tip via text or email.