San Bernardino, California – September 23, 2025 – National Site Materials (NSM), the trusted leader in providing high-quality aggregates and construction materials in San Bernardino, California, is proud to announce the most competitive gravel rates in the region. As San Bernardino experiences continued growth in residential and commercial construction, NSM is committed to delivering affordable, top-tier materials to support projects of all sizes.

To further streamline project planning, NSM has launched an innovative online calculator on sanbernardinositematerials.com. This intuitive tool enables customers to calculate the exact amount of gravel or other materials needed for their projects with precision. By entering project dimensions, material preferences, and delivery details, users receive instant, accurate estimates, saving time and ensuring cost efficiency. From landscaping to infrastructure development, the calculator empowers builders and homeowners alike.

“At NSM, we’re dedicated to making every project in San Bernardino as efficient and cost-effective as possible,” said John Arwood, CEO of National Site Materials. “Our unbeatable gravel rates and new online calculator are game-changers for our customers. As I always say, ‘If you don’t shop our prices and service, we both lose.’ Let us show you why NSM is the preferred choice for construction materials.”

San Bernardino’s construction sector remains vibrant, with recent data from the City of San Bernardino’s Community Development Department indicating a commercial building permit issued on September 17, 2025, for a 50,000-square-foot mixed-use development at 321 Highland Avenue. This project highlights the region’s ongoing demand for reliable aggregates like NSM’s gravel, ideal for foundations, drainage, and aesthetic applications.

NSM offers a wide range of materials, including gravel, fill dirt, top soil, sand, river rock, concrete products, and more, with prompt local delivery throughout San Bernardino. Customers can select materials, provide project specifics, and receive a tailored quote quickly via the website or by phone.

Visit sanbernardinositematerials.com or call 888-237-2746 to explore the online calculator and request a quote. NSM is proud to serve San Bernardino and surrounding areas with exceptional materials and service.

About National Site Materials
National Site Materials (NSM) is a premier supplier of aggregates and construction materials in San Bernardino, California, delivering quality products and outstanding customer service to support the region’s growth.

Media Contact:
Megan Rivera
Public Relations Manager
National Site Materials
Email: [email protected]
Phone: 888-237-2746