For durable and beautiful decking supplies in Walnut Creek, CA, turn to Larsen Lumber. They offer a broad selection of materials, including wood, composite decking, and treated lumber, suitable for various outdoor projects. Whether you??™re building a simple deck or a custom outdoor living space, Larsen Lumber ensures high quality products that stand the test of time. Their knowledgeable staff is available to assist with product selection and delivery, ensuring your decking project is a success from start to finish.