This morning they released a statement saying he'd been located in Wanganui.
He's said to be helping police with their inquiries.
An ambulance spokeswoman said another person was taken to Waitakere Hospital from the address with moderate injuries.
Staff from the Fire Service also attended and at least two young children were taken from the dwelling, which is down a long driveway, in a police car.
The scene was guarded overnight and a forensic examination is underway.
Staff were in the process of notifying the victim's next of kin.
No further details would be released about the dead man at this stage.