About Us

The Cornerstone Experience

Cornerstone Copy & Mail is a Walnut Creek based shipping and copy center that has been servicing the area for over 20 years. We offer a variety of services enabling you to accomplish multiple tasks in one visit. We are a family owned and operated small business conveniently located in the San Miguel Center just on the edge of bustling downtown Walnut Creek. We are your complete neighborhood office!

Our services include full service and self service copying, color copies, business cards, bindery / finishing, mailbox rental, storage rental, packing and shipping, fax, scanning, notary, computer rental, stationary / greeting cards, office supplies and packing supplies. We also have convenient, free parking.

Let us do your project...you can leave it with us and pick it up the same day or overnight! We can handle all of your copying, printing and finishing needs. You can send us a file or bring it in and let us create your professional document. After the document has been printed, we can finish it with our many bindery options. Let us complete your important document from start to finish! We're here to help!

Need Walnut Creek notary service? We're the solution! We can notarize your document, copy it, scan it, fax it, or ship it anywhere you need!

Mobile notary service by appointment

Locally Owned, Family Run