Serving Bakersfield & Kern County. Residential & Commercial. Cal State Tree Service provides tree removal, tree trimming, tree pruning, stump removal, stump grinding, line clearing, debris/brush removal, Certified Arborist on staff, and wood chip sales From Bakersfield to the Redwood City, CA and surrounding area. Se Habla Espanol. License #1062906. Wood Chips from Local Trees Cal State Tree Service offers wood chips perfect for your landscape, lawn, garden, plants, shrubs, and so many other uses. All of our chips come from local trees like the red cedar.