Storage units for rent – StorageCafe
Contact this property now:
(510) 489-4747

Diamond Mine Mini Storage - 4400 Horner Street, Union City, CA 94587

Self Storage
4.1/5 - 40 Reviews
(510) 489-4747
Location:
4400 Horner Street, Union City, CA 94587
24/7 ACCESS
Unit size details are currently not available for this property. Please the property operator for details about available units.

Amenities

  • 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

What customers are saying

4.1/5 - 40 Reviews

Read some helpful reviews of Diamond Mine Mini Storage at 4400 Horner Street, shared by real renters with genuine experiences and honest opinions.

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, understanding and patient. I have always been sad to see the management change, but am extremely happy with Ana and her team. No complaints and nothing but praises from me She has helped me consolidate multiple storage units to save more money and helped make the transition easy. During the consolidation of the units, she offered for us to use equipment they had on site to make it easier for us. Thanks for being awesome guys! That means you too Wally ?? ... Read more
Renaliza M. - 3 August 2024
Cathi N. - 18 July 2024
Great place!!!, Professional and polite Staff that are willing to help with questions/payments/maintenance of grounds, Safe and Secure with 24hr video, Clean Grounds, Best prices around. Been doing business with them for many years with multiple units, with No problems/hastles/theft or issues HIGHLY RECOMMEND!!!! ... Read more
Jeremy G. - 16 October 2023
Been associated with this storage for 5 years and counting. Impeccable service, clean units all the time no matter the weather. I recommend EVERYONE here, they have the best rates compared to any other storages I've looked at. Private mailboxes are perfect for when I get packages so they don't get left at my doorstep and potentially stolen. Cheaper than the post office too. 11/10 rating. ... Read more
Aimee A. - 12 November 2018
I have rented here for over a decade. We came here the first time because they had one of the best security records in the state (my ex knew how to figure that stuff out) and they have always been the kindest, most accommodating people. Very flexible and understanding, and very helpful. Clean, secure environment, well lit and handled with great care. Can't say enough nice things about them. ... Read more
Steven H. - 31 March 2017

Overview

Located at 4400 Horner Street, this Diamond Mine Mini Storage facility in Union City offers small storage units ideal for those looking to declutter their homes or store seasonal items. The facility is perfect for the area’s residential population, where homes are often compact and additional storage space is in high demand.

This facility includes a range of convenient features such as drive-up access, indoor and enclosed units for easy loading and unloading, and multi-level storage to maximize capacity. For those with vehicles, parking and RV storage are available, making it a great option for storing cars, trailers, and recreational vehicles. Security is taken seriously here, with security cameras throughout the property, gated access, and an onsite manager for added peace of mind.

To make moving and storage even easier, this facility offers truck rentals and has retail supplies available for purchase, such as boxes and packing materials. With flexible payment options—including online payment and credit card acceptance—this facility is a reliable choice for Union City residents in need of secure, accessible storage.

Nearby Storage Units

$73 - $673

Public Storage - 2525 Whipple Road, Hayward, CA

SELF STORAGE, CAR STORAGE, RV STORAGE, BOAT STORAGE
1.27 miles away
$124 - $441

Public Storage - 1639 Whipple Road, Hayward, CA

SELF STORAGE, CAR STORAGE
2.26 miles away
$149 - $335

Public Storage - 33476 Alvarado Niles Road, Union City, CA

SELF STORAGE, CAR STORAGE
2.76 miles away
$27 - $398

Public Storage - 29824 Mission Blvd, Hayward, CA

SELF STORAGE, CAR STORAGE, RV STORAGE, BOAT STORAGE
3.24 miles away
$77 - $621

Extra Space Storage - 26869 Mission Blvd, Hayward, CA

SELF STORAGE, CAR STORAGE, RV STORAGE
3.62 miles away
Image for Hayward RV Storage - 3636 Depot Road, Hayward, CA No Photo Available
Contact for Details

Hayward RV Storage - 3636 Depot Road, Hayward, CA

SELF STORAGE
3.69 miles away
$35 - $361

Public Storage - 6800 Overlake Place, Newark, CA

SELF STORAGE, CAR STORAGE, RV STORAGE, BOAT STORAGE
3.82 miles away

Storage units in nearby cities

Want to see how Union City, CA, compares to other places? There are plenty of great options nearby. Hayward, CA, 5 miles away, has 12 self storage facilities with rents starting from $27/month. Or you could drive to Fremont, CA, just 6 miles distant to find other options, where the cheapest units in the 14 facilities there can be rented for $13/month. In Newark, CA, just 6 miles away, there are 5 facilities available, offering rents as low as $35/month. Further out, Castro Valley, CA (8 miles away), and San Lorenzo, CA (9 miles away), have 6 and 4 facilities, with minimum rents of $45 and $56, respectively.

Storage units in Hayward, CA Within a 5-mile radius
12 Facilities
From $27/mo
Storage units in Fremont, CA Within a 6-mile radius
14 Facilities
From $13/mo
Storage units in Newark, CA Within a 6-mile radius
5 Facilities
From $35/mo
Storage units in Castro Valley, CA Within a 8-mile radius
6 Facilities
From $45/mo
Storage units in San Lorenzo, CA Within a 9-mile radius
4 Facilities
From $56/mo
Storage units in Ashland, CA Within a 9-mile radius
1 Facility
From $122/mo
Storage units in Dublin, CA Within a 10-mile radius
4 Facilities
From $88/mo
Storage units in San Leandro, CA Within a 11-mile radius
12 Facilities
From $58/mo
Storage units in Pleasanton, CA Within a 11-mile radius
6 Facilities
From $31/mo
Storage units in East Palo Alto, CA Within a 12-mile radius
3 Facilities
From $73/mo
Storage units in San Ramon, CA Within a 12-mile radius
7 Facilities
From $59/mo
Storage units in Menlo Park, CA Within a 13-mile radius
2 Facilities
From $95/mo
Storage units in Milpitas, CA Within a 14-mile radius
11 Facilities
From $38/mo
Storage units in Mountain View, CA Within a 14-mile radius
9 Facilities
From $56/mo
Storage units in Foster City, CA Within a 14-mile radius
2 Facilities
From $50/mo
Storage units in Palo Alto, CA Within a 15-mile radius
6 Facilities
From $73/mo
Storage units in Sunnyvale, CA Within a 16-mile radius
10 Facilities
From $23/mo
Storage units in San Carlos, CA Within a 16-mile radius
4 Facilities
From $85/mo
Storage units in Belmont, CA Within a 17-mile radius
3 Facilities
From $139/mo
Storage units in San Mateo, CA Within a 17-mile radius
8 Facilities
From $50/mo

Check out storage units in trending cities

Still looking for the ideal storage unit? For more great self storage options you wouldn't have to cross the state border: units can be leased in Los Angeles, CA and San Diego, CA, starting from $15 and $15, respectively. Even more storage is available and with low starting rents, in San Jose, CA ($11), San Francisco, CA ($29) and Fresno, CA ($30).

Storage units in Los Angeles, CA
209 Facilities
From $15/mo
Storage units in San Diego, CA
72 Facilities
From $15/mo
Storage units in San Jose, CA
65 Facilities
From $11/mo
Storage units in San Francisco, CA
23 Facilities
From $29/mo
Storage units in Fresno, CA
41 Facilities
From $30/mo
Storage units in Sacramento, CA
76 Facilities
From $15/mo
Storage units in Oakland, CA
21 Facilities
From $44/mo
Storage units in Bakersfield, CA
51 Facilities
From $33/mo
Storage units in Anaheim, CA
21 Facilities
From $45/mo
Storage units in Stockton, CA
36 Facilities
From $15/mo
Browse storage units in all California cities.

Frequently Asked Questions

There is a wide array of amenities available for the storage units that Diamond Mine Mini Storage - 4400 Horner Street has to offer. These amenities include 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 and RV Storage. Most of these amenities can prove to be very useful depending on what you need to store. For example, climate-controlled units can come in handy for keeping sensitive items, drive-up access can make your loading and unloading process easier, and extra security measures will ensure your items are kept safe at all times.

The unit size that you should choose obviously depends on how much stuff you need to store. On the one hand, you should think of smaller units (5'x5' or 5'x10') as closets – they can be used to store chairs, lamps, moving boxes and sports equipment, along with smaller pieces of furniture, books and documents.

On the other hand, the 10'x10' and 10'x15' spaces are good for storing larger items of furniture, bicycles and a larger number of possessions. If you need even more space, then 10'x20' and 10'x30' units can easily accommodate the contents of an entire 3- or 4-bedroom house.

We know that when it comes to self storage, there is nothing more important than quickness and accessibility. Drive-up access is an extremely convenient amenity, as you can park your vehicle right next to your unit, making it significantly easier to load and unload the items you will use storage for. However, drive-up storage units tend to be outdoors, so you might consider indoor storage spaces with climate control if you're looking to keep temperature-sensitive items in peak condition.

Yes, you might, depending on what you need to put in storage. Climate-controlled spaces keep temperatures and humidity levels consistent all the time, which means they are perfect for storing sensitive items. Seeing that a whole host of things can be damaged by varying temperatures and excessive moisture, many people choose to rent climate-controlled units for personal items such as documents, photographs, paintings, collectibles, electronics, wooden furniture, antiques and even vehicles. If you're looking to store such items that are valuable to you, consider renting a climate-controlled unit!