Police said at the time that a body had been found at the property, but that officers were working to establish the circumstances of the victim's death.
Authorities are now appealing to the local community for any information in relation to the death.
Detective Senior Sergeant Kevin Ford said they believed there were people who would be able to provide helpful information.
"Our inquiries continue around the community and we encourage anyone with information to come forward and do the right thing by the family and the local community.
READ MORE:
• Homicide inquiry launched after man found dead in Petone Housing NZ flat
• Cold case: Bloodied iron bar stashed under shed after Kaiapoi killings in 1916
• New suspect in Lisa Blakie murder case
• Murder charge after body found in Nelson house
"Anyone who wants to talk to us can come and see us there," he said, referring to the local police station.
Ford said the man's body was removed yesterday afternoon and has been taken to Palmerston North for a post mortem examination.
"Once that has been completed, he will be released to his grieving family," Ford said.
"We hope to conclude that scene examination today and the cordon will be lifted."
Can you help? Anyone with information can contact the Tokomaru Police Station on (06) 831 0700, CrimeStoppers anonymous 0800 555 111 or 111.