Police originally treated the death as unexplained as they worked out how the man was injured.
A neighbour told Stuff he heard yelling on Saturday night and saw two men fighting before 6pm. He didn't hear anything else until early Sunday morning when he saw the man lying on the footpath.
Another neighbour told Stuff a state house, now part of the police investigation, was known for rowdy parties which sometimes got out of hand..
A scene guard was in place overnight and police were at the property this morning, RNZ reported.
A neighbour, who did not want to be interviewed, alerted RNZ to the exact spot where the body was found.
A large cordon was in place, covering three houses, with a blue police tent, several police cars and other vehicles.