Store your belongings at Extra Space Storage on 775 S Mills Ave in Claremont, CA today! Our large selection of storage units, drive up access, drive up units, electronic gate access, exceptional security, deliveries accepted, non climate controlled units available, parking spaces, personal access hour, golf carts available, kiosk, military discount, wide drive isles, vehicles are allowed in drive-up units, solar site, convenient freeway access and helpful staff make finding the right self storage unit for you easy and hassle-free. Experience the professionalism, cleanliness, and commitment to exceptional customer service that Extra Space Storage is known for. Contact us today to reserve your storage unit or set up a time to stop by and take a tour of our facility!
Explore offerings from Extra Space Storage on 775 S Mills Ave in Claremont, with popular services available at this location.
1004 Services
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Services
Self Storage
Extra Space Storage offers a wide range of secure self storage solutions for residential and commercial needs. Our storage units are rented on a month-to-month basis and come in a variety of sizes from 5x5 to 10x30 (with additional sizing available).
Online Payments
Extra Space Storage makes it easy to pay your storage rental bill online. Simply log into your account to access statements, make a payment, and more. You can make one-time online payments or even set up recurring payments.
Packing & Moving Supplies
Extra Space Storage sells packing and moving supplies like boxes, bubble wrap, packing tape, rope, moving kits, and more. We have all of the moving supplies you need for a successful move!
Drive Up Access
Drive-up access units at Extra Space Storage allow you to pull your vehicle directly next to your storage unit to easily load and unload items. Some locations even allow drive-up units to be used for vehicle storage for cars, motorcycles, and more.
Electronic Gate Access
Extra Space Storage facilities with electronic gate access have a main gate or door that can only be opened with a code entered on an electronic keypad. Each customer is given a unique access code, allowing managers to see who's coming and going at all times.
Package Placement
Extra Space Storage facilities can accept package deliveries on behalf of customers. For more information about package acceptance and placement, contact our team!
Deliveries Accepted
Some Extra Space Storage locations allow deliveries to be accepted. With delivery acceptance, a staff member will be available to accept your mail and keep it in a secure place until you pick it up.
Contactless Rental
Extra Space Storage offers contactless rental, allowing customers to reserve storage units without person-to-person contact. Our employees can help you find a storage solution through email or over the phone. Customers can also conveniently rent units, sign leases, and process payments online.
Military Discount
Members of the military can receive a military discount at some of our Extra Space Storage locations. Contact us today to learn more!
Wide Drive Aisles
Wide-drive aisles provide plenty of space for larger vehicles and moving trucks to get in and out of Extra Space Storage when accessing outdoor and drive-up storage units.
Solar Power
Extra Space Storage has solar installations at over 400 facilities to improve our sustainability efforts and reduce our consumption. Our solar power initiative is one of the many reasons why Extra Space Storage is the highest-rated self storage company in the U.S. for sustainability.
Reviews
4.9
842 reviews
5 stars
792
4 stars
34
3 stars5
2 stars3
1 star8
AJ
Angelic Jayne
Jun 30, 2026
5.0
"Excellent experience. The grounds were very clean, and well- lit. Staff was very professional and made the move-in process quick. Thank you Jessica!"
BD
Ben Dover
Jun 30, 2026
5.0
Such great service and clean facility, I'm very happy here.
IS
Ivan Sanchez
Jun 27, 2026
5.0
Very nice experience at it was my first time renting out a storage room. I just recently moved to Claremont and this helped me alot ! Any time i need a storage i will be coming back. Thank you hector for everything you were amazing as-well with Jessica!
KY
Kat Young
Jun 23, 2026
5.0
Very very professional,Carol rolls out the red carpet making the whole experience easy and clear. Takes her time to get the best unit that would be the most ideal! Will definitely use their services again!
DG
Debbie Gara
Jun 23, 2026
4.0
Jessica has consistently been very helpful. However the dramatic rise in our monthly fee is very frustrating
Frequently Asked Questions About Extra Space Storage
What storage unit size do I need?
The best way to determine which storage option is right for you is with our helpful Storage Unit Size Guide! It will help you estimate how many boxes and non-packed items, such as furniture and appliances, you can fit into each storage unit.
What type of storage unit do I need?
Many factors determine your best storage solution. Do you want the convenience of a ground-floor unit? Do your belongings need climate control? What about vehicle storage? We have online resources to help you explore these options to find your ideal storage unit.
What are your storage unit prices?
Monthly rates can be found online and vary by facility, unit size, features, and local market. Please use our site search tools to find pricing at a facility near you.
What's the difference between office, access, and gate hours?
The office hours are the hours of operation for the property. During these hours the Store Manager will be available to assist you with your storage needs or moving and packing supplies. The gate hours are the hours of the property, and when your unit can be accessed.
Can I buy boxes or other packing products from Extra Space Storage?
Extra Space Storage offers a variety of moving and packing supplies online and at local facilities for purchase.
What areas does Extra Space Storage serve?
Extra Space Storage serves residents of Claremont, Montclair, La Verne, and Pomona.
Do you have drive-up storage units?
Yes! Whether you’re moving, storing a vehicle, or using commercial storage, drive-up access is one of the best storage features available at Extra Space Storage! Because you can pull a vehicle right up to your unit, it makes moving large, heavy items—like furniture or equipment—in and out of your unit much easier.
Do you offer RV storage solutions?
Yes! At Extra Space Storage we offer outdoor parking, covered parking, and indoor storage solutions for RVs of all sizes. Whether you’re leaving an RV in storage long term or simply need a place to park an RV between uses, we offer a flexible option with month-to-month leases so you can store for as long as you need.
Do you offer boat storage solutions?
Yes! At Extra Space Storage we offer outdoor parking, covered parking, and indoor storage solutions for boats of all sizes.
Do you offer car storage solutions?
Yes, self storage is a great option for both short-term and long-term car storage! We offer indoor storage, outdoor storage, and even covered vehicle storage space for cars.
What are the access hours for Extra Space Storage in Claremont?
Extra Space Storage is accessible daily from 6:00 AM to 10:00 PM, including weekends.
Are there any holidays when Extra Space Storage is closed?
Yes, the facility is closed on Thanksgiving Day (Nov 27), Christmas Day (Dec 25), New Year's Day (Jan 1), and Independence Day (Jul 4).
Does Extra Space Storage offer climate-controlled units?
Extra Space Storage offers non climate-controlled units, but availability of climate-controlled units can be checked by contacting the facility.
Can I store my vehicle or RV at Extra Space Storage?
Yes, Extra Space Storage offers drive-up access and storage options for vehicles, RVs, and boats, including outdoor, covered, and indoor parking.
What payment options does Extra Space Storage accept?
They accept American Express, Apple Pay, cash, check, Discover, Mastercard, and Visa.
Where is Extra Space Storage located?
Extra Space Storage is located at 775 S Mills Ave, Claremont, CA 91711, USA.
Are there nearby places where I can pick up moving supplies or home improvement items?
Yes, nearby places include Professional Hardwood Floors for flooring and home improvement needs, and American Avenue Tool Shop for hardware and tools.
What nearby schools are close to Extra Space Storage?
Nearby schools include San Antonio High School, Claremont Adult School, and Claremont Unified School District.
Are there medical facilities near Extra Space Storage?
Yes, nearby medical centers include Kaiser Permanente of Claremont and Kaiser Permanente, with various doctors and specialists available nearby.
Does Extra Space Storage offer any discounts or special programs?
Extra Space Storage offers a military discount and promotions such as up to 40% off by renting online.
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