COMMERCE CITY - Commerce City Police are investigating a death near East 52nd Avenue and Forest Street in Commerce City.

The body was first discovered around 6:30 a.m. inside a residence.

Originally, Commerce City Police told 9NEWS they considered the death to be "suspicious." Detective Mike Saunders later clarified that the investigation led them to believe this was an unattended death investigation.

It is still unknown at this time what caused the man's death.

Police say the deceased man is around 50 years old.

The identity of the man is not being released at this time.

9NEWS is on the scene and will post updates as they become available.