Alliance Natural Stone prides itself by servicing its clients with the largest and best selection of stone in the North Bay exclusively provided by Alliance. We carry the best of the best natural stone, wether it be Slate, Limestone, Sandstone, Granite, Quartzite, Basalt, Bluestone, Travertine and many others. If you are in need of hand-made stone we carry the best selection as well not to mention Sand, Mix, Decomposed Granite, Bark, Soil, Mulch, Concrete, Block and much more. We are centrally located in the town of Petaluma conveniently right off Highway 101 (across the street from In-N-Out Burger).