Jiliane R.
1/16/2026
I came here to print some flyers for my son's school. Everything came out great! I was able to do some shredding, make high volume prints, and purchase the folders right there. Boom, done! The...
Cornerstone Copy & Mail
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(78)
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1250 Newell Ave Ste I
Walnut Creek, CA 94596
Cornerstone Copy & Mail is a full-service business in Walnut Creek, CA, offering a wide range of services including copying, packing and shipping, mailbox rental, notary services, and more. With both full-service and self-service options available, they provide a convenient and efficient experience for all your business needs.
From color copies and business cards to faxing, scanning, and mobile notary services, Cornerstone Copy & Mail is dedicated to meeting the diverse needs of their customers. They also offer packing and shipping supplies, as well as small storage rental, ensuring that all your business requirements are met in one place.
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Reviews
5.0(78)
Shin L.
1/15/2026
Michael is excellent. He cares deeply about his customers. He finds the best solutions for them. And he pays attention to the smallest detail.
Rick S.
12/2/2025
Have been here for shipping and recently for notary. Consistently capable and friendly service at a reasonable price. Enjoy coming here to do business.
Tracy S.
8/16/2025
Mike was really helpful with getting my flyers made in time despite the time crunch towards closing hours. If you need to get any copying done in Walnut Creek, this is the place to go. Prices are...
Amy S.
5/15/2025
This shop is the best print and copy shop I've been to. Mike is helpful, smart and considerate. If you need larger jobs he can handle those too. I wouldn't go anywhere else
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