Fire crews are attending a “well-involved” structure fire on Stockton Road, Pukehina.

Three fire trucks and three water tankers have been dispatched to battle the blaze, a Fire and Emergency spokesperson said.

"Fire and Emergency New Zealand was first altered at 10.52am."

Crews from Pukehina, Greerton, Maketu and Edgcumbe are involved.

“The size of the fire has yet to be determined, but crews are working to extinguish it,” the spokesperson said.

The public has been asked to stay clear of the area.