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

4.9/5 - 847 Reviews
Location:
775 South Mills Avenue, Claremont, CA 91711
Office hours:
24/7 ACCESS
  • Mon-Sun: 6 a.m. - 10 p.m.
24/7 ACCESS

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

  • 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

    Not sure which size you need? Check our size guide to find the perfect fit.
    10x5 Self Storage 50 Sq. Ft.
    $154/mo
    5x15 Self Storage 75 Sq. Ft.
    $207/mo
    5x12 Self Storage 60 Sq. Ft.
    $175/mo
    5x10 Self Storage 50 Sq. Ft.
    $154/mo
    5x5 Self Storage 25 Sq. Ft.
    $93/mo
    10x15 Self Storage 150 Sq. Ft.
    $267/mo
    10x13 Self Storage 130 Sq. Ft.
    $267/mo
    10x10 Self Storage 100 Sq. Ft.
    $267/mo
    7x25 Self Storage 175 Sq. Ft.
    $296/mo
    20x10 Self Storage 200 Sq. Ft.
    $324/mo
    15x30 Vehicle 450 Sq. Ft.
    Drive-up Access Parking RV Storage
    $581/mo
    15x25 Vehicle 375 Sq. Ft.
    Drive-up Access Parking RV Storage
    $509/mo
    10x25 Vehicle 250 Sq. Ft.
    Drive-up Access Parking RV Storage
    $352 - $380/mo
    10x20 Vehicle 200 Sq. Ft.
    Car Storage Drive-up Access Parking
    $324/mo
    No units are currently available.

    Amenities & features

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

    Customer reviews

    4.9/5
    Average rating
    847
    Number of reviews

    Read some helpful reviews of Extra Space Storage, 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
    I just created my membership with this location and I am sooo happy I did! Frankie called me to welcome me to this facility and give me some information which I thought was so nice of him to do! Especially considering our last storage facility didn’t do any of that. I appreciate Frankie’s call and it gave me such. Peace of mind that if u ever needed help regarding my storage unit they’re just a phone call away! ... Read more
    alyssa o. - 21 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

    About this facility

    Located at 775 South Mills Avenue in Claremont, CA, this Extra Space Storage facility offers a wide range of unit sizes, including small, medium, and large, to fit a variety of storage needs. Whether you’re decluttering your home or storing items during a move, the facility provides flexible options to accommodate personal and business belongings.

    This facility features drive-up access, making it easy to load and unload items directly from your vehicle. For those looking for added protection, indoor storage and enclosed units are available. The property is equipped with 24-hour access, a secure gate, and multiple security cameras, ensuring peace of mind for customers. For vehicle owners, parking and RV storage are offered, making it an ideal choice for storing cars, campers, or recreational vehicles. The presence of an onsite manager adds an extra layer of convenience and security.

    In addition to its excellent storage features, this facility accepts online payments and credit cards, making transactions simple. A retail area is also available for moving supplies, ensuring you have everything you need for packing and storage. This Extra Space Storage location is perfect for Claremont residents seeking secure, accessible, and versatile storage solutions.

    Price comparison

    See how this facility's unit prices compare to others in Claremont, broken down by size.

    Small $157/mo
    Location minimum Location maximum
    $73/mo $340/mo
    Medium $274/mo
    Location minimum Location maximum
    $197/mo $524/mo
    Large $418/mo
    Location minimum Location maximum
    $315/mo $603/mo

    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.

    42

    out of 100

    Walk Score

    Car-Dependent

    Most errands require a car

    46

    out of 100

    Bike Score

    Somewhat Bikeable

    Minimal bike infrastructure

    Walk Score®: 42, Bike Score®: 46

    Neighborhood highlights

    Located near shopping, car wash stations, and other local conveniences, this storage facility helps you make the most of every visit.

    • Motel 6

      Services 0.41 miles

    • Claremont Lodge

      Services 0.42 miles

    • WD Orthodontics

      Services 0.44 miles

    • Round Table Pizza

      Food & Drinks 0.44 miles

    • Wine & Liquor Market

      Grocery Stores 0.44 miles

    • Denny's

      Food & Drinks 0.44 miles

    • McDonald's

      Food & Drinks 0.45 miles

    • Starbucks

      Food & Drinks 0.46 miles

    • Western Dental

      Services 0.47 miles

    Frequently Asked Questions

    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.

    The facility at 775 South Mills Avenue offers 24/7 access, allowing you to visit your unit at your convenience.

    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.

    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 Extra Space Storage - 775 South Mills Avenue, available security amenities may include Security Camera, Gate, Onsite Manager, designed to help keep your items protected.

    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.

    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 775 South Mills Avenue for specific restrictions and recommendations.

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