Callestick is a hamlet in Cornwall, England, UK. It is 5 miles north-west from Truro and about 1 mile south of Perranzabuloe. Little Callestick lies to the northeast, near Chyverton House.
The manor of Callestick was recorded in the Domesday Book when it was held by Robert, Count of Mortain from Bodmin Monastery; before 1066 it had been held by a thane from the monastery. There was 1 hide of land and land for 4 ploughs. There were 12 serfs, 10 acres of woodland, 2 cattle and 30 sheep. The value of the manor was 3 shillings though it had formerly been worth £1 sterling.
Callestick lies between 155 feet and 350 feet above sea level.