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Extra Space Storage - 775 South Mills Avenue, Claremont, CA 91711

Self Storage, Car Storage, RV Storage 25 - 450 Sq. Ft.
4.9/5 - 828 Reviews
Location:
775 South Mills Avenue, Claremont, CA 91711
24/7 ACCESS
All units
Small
Medium
Large
Parking
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Units Availability
Small Storage Unit
10x5
Self Storage
50 Sq. Ft.
$112/mo
Small Storage Unit
5x15
Self Storage
75 Sq. Ft.
$151/mo
Small Storage Unit
5x12
Self Storage
60 Sq. Ft.
$128/mo
Small Storage Unit
5x10
Self Storage
50 Sq. Ft.
$112/mo
Small Storage Unit
5x5
Self Storage
25 Sq. Ft.
$69/mo
Medium Storage Unit
10x15
Self Storage
150 Sq. Ft.
$270/mo
Medium Storage Unit
10x13
Self Storage
130 Sq. Ft.
$243/mo
Medium Storage Unit
10x10
Self Storage
100 Sq. Ft.
$236/mo
Medium Storage Unit
7x25
Self Storage
175 Sq. Ft.
$291/mo
Large Storage Unit
20x10
Self Storage
200 Sq. Ft.
$368/mo
Large Storage Unit
15x30
Parking
450 Sq. Ft.
Drive-up Access
Parking
RV Storage
$743/mo
Large Storage Unit
15x25
Parking
375 Sq. Ft.
Drive-up Access
Parking
RV Storage
$651/mo
Large Storage Unit
10x25
Parking
250 Sq. Ft.
Drive-up Access
Parking
RV Storage
$298 - $486/mo
Large Storage Unit
10x20
Parking
200 Sq. Ft.
Car Storage
Drive-up Access
Parking
$412/mo

Amenities

  • Indoor
  • 24 hour access
  • Drive-Up Access
  • Retail Available
  • Onsite Manager
  • Security Camera
  • Gate
  • Parking
  • Credit Cards Accepted
  • Enclosed
  • Online Payment
  • RV Storage

What customers are saying

4.9/5 - 828 Reviews

Read some helpful reviews of Extra Space Storage at 775 South Mills Avenue, shared by real renters with genuine experiences and honest opinions.

Renting online was quick and easy. The facility it clean and the girl in the office was friendly and welcoming. I highly recommend downloading the app. It makes entering through the gate so easy...no need to try to memorize long gate codes. I definitely would recommend this facility to anyone looking to rent a storage unit. ... Read more
Carie B. - 22 February 2026
H F. - 18 February 2026
Jessica is one of the best people I've ever met! Super approachable and friendly, makes me really happy I chose extra space and especially this location! Highly recommended for whatever you might need, just ask! ... Read more
Elle E. - 18 December 2025
Jose B. - 30 September 2025
Jessica emphatically demonstrated an incredible customer service approach on today ,& I'm so appreciative! Also Johnathan was vigorously amazing & assertive during my relying on his assistance, along with caring assistance on my behalf. I sincerely thank you both for your virtuous courtesy! And God Bless! ... Read more
Tim F. - 17 September 2025
Ashley Z. - 8 August 2025
Batman B. - 2 August 2025
I've had an amazing experience with this storage facility! Jessica has been incredibly helpful, friendly, and professional from day one. She made the whole process smooth and stress-free. The units are clean, secure, and easy to access. Highly recommend this place—especially with someone like Jessica on the team! ... Read more
John C. - 25 April 2025
Lindy L. - 31 March 2025
Great Storage Facility! I’ve been using this storage facility for six months, and I’m completely satisfied with the service. The location is convenient, the units are clean and well-secured, and access is available whenever needed. The staff is friendly and always ready to assist. The pricing is fair with no hidden fees. If you’re looking for a reliable place to store your belongings, I highly recommend this facility! ... Read more
Alex V. - 8 February 2025
Jesse B. - 25 January 2025
I have had nothing short of a wonderful experience with all of the staff at this location. The facilities are always clean and well maintained. I've been a customer for 2, going on 3 years now and have always been very happy. I recently was able to downsize my unit and the process was beyond smooth. I can't say enough about the staff. One day I was looking for something in my unit and one of the staff members was driving by and offered me a water because it was hot out. They go above and beyond. Absolutely wonderful staff. ... Read more
Alexandria L. - 29 December 2024
Extra Space is awesome! The staff are always courteous and helpful. Jessica went above & beyond to assist me with my storage search and needs, and she gets the highest rating. I left four stars because the bathroom wasn't working and the punch OUT box wasn't either, which feels like a safety issue. Overall, this place is GREAT! ... Read more
Amy J. - 3 November 2024

Overview

Located at 775 South Mills Avenue in Claremont, CA, this Extra Space Storage facility offers a range of unit sizes, including small, medium, and large, to suit a variety of storage needs. Whether you're downsizing, decluttering, or need space during a move, this location provides a practical solution for those living in or near Claremont's residential neighborhoods and college communities.

This facility features drive-up access, making loading and unloading straightforward and efficient, as well as indoor units for added convenience and protection. With parking and dedicated RV storage, it also accommodates vehicle storage needs, perfect for those wanting to free up garage or driveway space. The property is equipped with advanced security measures, including security cameras and an onsite manager, ensuring peace of mind for all renters. Gated access and 24-hour access add another layer of ease and flexibility to your experience.

For added convenience, this Extra Space Storage facility accepts online payments and major credit cards and even offers moving supplies for purchase onsite. It’s an excellent choice for Claremont residents, students, and RV owners looking for secure, easily accessible storage options.

Nearby Storage Units

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Extra Space Storage - 711 South Mills Avenue, Claremont, CA

SELF STORAGE, CAR STORAGE, RV STORAGE
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Storage units in nearby cities

Want to see how Claremont, CA, compares to other places? There are plenty of great options nearby. Upland, CA, 4 miles away, has 11 self storage facilities with rents starting from $51/month. Or you could drive to Pomona, CA, just 6 miles distant to find other options, where the cheapest units in the 10 facilities there can be rented for $43/month. In Ontario, CA, just 9 miles away, there are 14 facilities available, offering rents as low as $35/month. Further out, Rancho Cucamonga, CA (10 miles away), and Chino, CA (10 miles away), have 17 and 6 facilities, with minimum rents of $14 and $48, respectively.

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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).

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Frequently Asked Questions

There is a wide array of amenities available for the storage units that Extra Space Storage - 775 South Mills Avenue has to offer. These amenities include Indoor, 24 hour access, Drive-Up Access, Retail Available, Onsite Manager, Security Camera, Gate, Parking, Credit Cards Accepted, Enclosed, 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 storage units offered by Extra Space Storage - 775 South Mills Avenue can satisfy all of your storage needs. Different sizes here range from 25 to 450 square feet. You can go for smaller units if you don't have a lot of items to store, while choosing a larger space is recommended in case you need to store a lot of furniture, bigger items or even vehicles.

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.

Storage units offered by Extra Space Storage - 775 South Mills Avenue come at a variety of prices, starting from $69 per month for typically smaller units. However, larger spaces can set you back up to $743 a month.

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!