^^^ I don't know of any in So Cal. You might ask local gunsmiths or find one able to do it. Usually, the old timer gunsmiths are the ones with stock carving experience. Your local gun range might know a woodworker. You should have a design to go by. If your going to carve up a good stock it should be made into a grip of your design. I traced my stock for a lifesize template and made a few examples:
