Our newly constructed facility is open 7 days a week and is staffed with friendly and courteous people who care about your stuff as much as you do. Whether you need your garage space back, an extra room in the house is too cluttered, or your office files are piling up, Mt. Diablo Self Storage offers spaces from 5x5 to 10x35 to fit every self-storage need.

Contact Details

  City Concord, CA
  Zip Code 94521
  Address 4901 Ygnacio Vly Rd
  Phone Number (925) 685-2222

From Our Website

This calculator will help you determing what storage unit size you'll need to accomodate all your items. Use our Unit Size Guide to learn more about how to properly store items inside your storage unit! Mt Diablo Self Storage is located on 4901 Ygnacio Valley Road, Concord, California 94521. We are down the road from Clayton Valley Charter High School, not far from California State University - Concord. We are a short drive from Clayton, Pittsburg, Walnut Creek, and other surrounding areas. We have a variety of customers who store for various reasons.