Discover why drain rock is one of the most versatile materials for landscaping and construction across Marin, Napa, Sonoma, and Solano. From French drains and driveways to erosion control and decorative creek beds, North Bay Materials delivers the right size rock straight to your project site.

Learn what Class 2 base rock is and how to use it in driveways, roads, and patios. Now delivering ¾″ road base by the yard in Napa, Vallejo, Benicia, and surrounding cities.