Diamond Mine Mini Storage - 4400 Horner Street, Union City, CA 94587
- Mon-Sat: 9 a.m. - 5 p.m.
- Sun: 9 a.m. - 1 p.m.
Indoor
Units are located indoors for added protection and convenience
24 hour access
Access your unit any time, day or night, when available
Drive-Up Access
Drive directly up to your unit for easy loading and unloading
Amenities & features
- Indoor
- 24 hour access
- Drive-Up Access
- Retail Available
- Onsite Manager
- Truck Rentals
- Security Camera
- Gate
- Parking
- Credit Cards Accepted
- Enclosed
- Multi-Level Storage
- Online Payment
- RV Storage
Customer reviews
Read some helpful reviews of Diamond Mine Mini Storage, shared by real renters with genuine experiences and honest opinions.
About this facility
This facility prioritizes convenience, featuring 24-hour access, drive-up access for easy loading and unloading, and indoor storage options to suit different preferences. Multi-level storage capabilities maximize space, while parking and RV storage are available for those needing vehicle storage solutions. Security is a top priority, with a security camera system in place and an onsite manager providing an added layer of oversight. Additional amenities like gate-controlled access ensure your belongings remain secure.
For those planning a move, this facility offers retail supplies and convenient truck rentals to simplify the process. With online payment options and credit card acceptance, managing your account is hassle-free. If you’re in Union City and looking for a reliable storage solution, this facility is a practical choice for individuals, families, or businesses.
Location & walkability
This storage facility is in an area with moderate walkability and some public transit options. A personal vehicle may be needed for certain trips.
43
out of 100
Walk Score
Car-Dependent
Most errands require a car
45
out of 100
Bike Score
Somewhat Bikeable
Minimal bike infrastructure
Neighborhood highlights
Located near shopping, car wash stations, and other local conveniences, this storage facility helps you make the most of every visit.
Union City Dental Aesthetics
Union City Boulevard & Horner Street
UC Food & Liquor
Union City Boulevard & Smith Street
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Horner Street & Union City Boulevard
EVgo
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Frequently Asked Questions
What kind of unit should I get?
The right storage unit size depends on what you plan to store and how much space you need to move around your items.
5x5 or 5x10 units are great for smaller loads, such as chairs, lamps, small furniture pieces, boxes, books, and documents.
10x10 or 10x15 units work well for larger furniture, bicycles, appliances, and the contents of a small apartment.
10x20 or 10x30 units can typically fit the contents of a three-bedroom home, including large furniture and multiple appliances.
If you’re unsure which size is best, a unit size calculator can help estimate the right fit based on the items you’re planning to store – helping you avoid paying for more space than you need.
What time does this storage facility close?
The facility at 4400 Horner Street offers 24/7 access, allowing you to visit your unit at your convenience.
How do you open a storage unit door?
To open your storage unit door, start by unlocking it, whether it uses a traditional padlock or a Bluetooth-enabled smart lock. Once unlocked, grab the bottom handle and lift or pull up the roll-up door until it’s fully open.
If you’re using the unit for the first time, make sure the lock is properly removed before opening the door to avoid damage.
Why is self storage security important?
Security helps protect your belongings while they’re in storage and gives you peace of mind between visits. Many self storage facilities use a combination of features such as video surveillance, gated access, on-site management, and well-lit premises to help deter unauthorized access.
At Diamond Mine Mini Storage - 4400 Horner Street, available security amenities may include Security Camera, Gate, Onsite Manager, designed to help keep your items protected.
Can you store cars in self storage?
Yes, most standard vehicles can be stored in self storage units. A 10x20 unit typically provides enough space for a car, while outdoor or designated parking areas may be available for larger vehicles.
What can you not put in storage?
For safety reasons, most self storage facilities restrict certain items. These commonly include:
- Hazardous, flammable, or toxic materials
- Perishable food
- Live plants or animals
- Cash, firearms, or irreplaceable valuables
Always check with the facility at 4400 Horner Street for specific restrictions and recommendations.
