Thierry L.
4/16/2025
Diamond Mine Storage is the place you wanna go when you need that extra storage space. Penny is amazing leading the team to provide outstanding service. Christian is super friendly and...
Diamond Mine Mini Storage - Union City
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4400 Horner St
Union City, CA 94587
Diamond Mine Mini Storage is a reliable storage facility with locations in Union City and Brentwood, CA, offering a wide range of storage options for both personal and business needs.
With ground-level access, fire protection, and 24-hour digital surveillance, Diamond Mine Mini Storage ensures the safety and security of stored belongings, while also providing additional services such as moving supplies, private mailboxes, and boat or vehicle garage space.
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Reviews
3.547 reviews
Renaliza M.
8/2/2024
I've been a customer at this facility for many years. Management has always been wonderful people. This time, is no exception. Ana, the new property manager, has been so helpful, so kind,...
Jannette R.
1/7/2021
It's been over a month renting here & it's been great! Located in a UnionCity off of Horner street & Union City Blvd. It's at the end of a residential area which threw me off when I first was...
Camille R.
4/15/2024
I've been here since 2008 I have never had any problems until now. They been bugging me about my payment and when I finally about to make my payment NO-ONE was in the office. The lady on the phone...
Ashley N.
2/15/2024
Man at the front desk who drives a blue Mustang was very rude and disrespectful. Right as I got off the van he started creaming at me !! Saying that I needed to call ahead a day before to say we...
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