David Odess has prices on his website for CLA's. Other vendors are probably similar. Without looking it up, the cost is roughly $200.00 for each component.
The back is probably the least likely to need service, and the lens/shutter perhaps the most likely, especially for a C series lens.

Since you are in the west, some folks have recommended Samy's camera in L.A. as a good repair source, they have a Hasselblad trained tech on staff, so I understand.