Let's Tame Those Overgrown Trees Choose our tree service based in Loomis, CA When trees are properly cared for, they can survive a range of potential problems. They're also more attractive and can significantly increase your property value. On the other hand, trees that are neglected can often become a liability. Sierra Arbor Works is a top-rated residential and commercial tree service in the Loomis, CA area. From tree removal to forestry work, our team can take on nearly anything tree-related.