Extra Space Storage - 850 South Mount Vernon Avenue, Colton, CA 92324

4.8/5 - 770 Reviews
Location:
850 South Mount Vernon Avenue, Colton, CA 92324
Office hours:
24/7 ACCESS
  • Mon-Fri: 9:30 a.m. - 6 p.m.
  • Sat: 9 a.m. - 5:30 p.m.
24/7 ACCESS

Extra Space Storage - 850 South Mount Vernon Avenue, Colton, CA 92324

  • Climate-Controlled

    Protect belongings from temperature changes and humidity

  • Indoor

    Units are located indoors for added protection and convenience

  • 24 hour access

    Access your unit any time, day or night, when available

    Not sure which size you need? Check our size guide to find the perfect fit.
    9x9 Self Storage 81 Sq. Ft.
    $167/mo
    8x10 Self Storage 80 Sq. Ft.
    $123 - $202/mo
    8x8 Self Storage 64 Sq. Ft.
    $103 - $177/mo
    8x6 Self Storage 48 Sq. Ft.
    $87/mo
    7x7 Self Storage 49 Sq. Ft.
    $88/mo
    6x14 Self Storage 84 Sq. Ft.
    $123 - $215/mo
    6x12 Self Storage 72 Sq. Ft.
    $195/mo
    6x10 Self Storage 60 Sq. Ft.
    $98/mo
    6x8 Self Storage 48 Sq. Ft.
    $87 - $143/mo
    5x14 Self Storage 70 Sq. Ft.
    $110 - $190/mo
    5x10 Self Storage 50 Sq. Ft.
    $90 - $146/mo
    5x7 Self Storage 35 Sq. Ft.
    $97/mo
    5x5 Self Storage 25 Sq. Ft.
    $49/mo
    4x14 Self Storage 56 Sq. Ft.
    $91/mo
    4x10 Self Storage 40 Sq. Ft.
    $76 - $125/mo
    4x8 Self Storage 32 Sq. Ft.
    $62 - $92/mo
    4x8 Self Storage 32 Sq. Ft.
    Elevator Access
    $62/mo
    3x9 Self Storage 27 Sq. Ft.
    $85/mo
    2x14 Self Storage 28 Sq. Ft.
    $54/mo
    10x15 Self Storage 150 Sq. Ft.
    Climate-Controlled
    $269/mo
    10x15 Self Storage 150 Sq. Ft.
    $212 - $235/mo
    10x14 Self Storage 140 Sq. Ft.
    $171/mo
    10x12 Self Storage 120 Sq. Ft.
    Climate-Controlled
    $232/mo
    10x12 Self Storage 120 Sq. Ft.
    $148/mo
    10x10 Self Storage 100 Sq. Ft.
    Climate-Controlled
    $201/mo
    10x10 Self Storage 100 Sq. Ft.
    $130 - $215/mo
    8x20 Self Storage 160 Sq. Ft.
    $235/mo
    8x17 Self Storage 136 Sq. Ft.
    $235/mo
    8x15 Self Storage 120 Sq. Ft.
    $200 - $224/mo
    8x14 Self Storage 112 Sq. Ft.
    $141/mo
    7x27 Self Storage 189 Sq. Ft.
    $280/mo
    7x20 Self Storage 140 Sq. Ft.
    $235/mo
    6x20 Self Storage 120 Sq. Ft.
    $153/mo
    16x25 Self Storage 400 Sq. Ft.
    $597/mo
    10x30 Vehicle 300 Sq. Ft.
    Drive-up Access Parking RV Storage
    $502/mo
    10x25 Self Storage 250 Sq. Ft.
    $434/mo
    10x25 Vehicle 250 Sq. Ft.
    Drive-up Access Parking RV Storage
    $434/mo
    8x25 Self Storage 200 Sq. Ft.
    $280 - $315/mo
    No units are currently available.

    Amenities & features

    • Climate-Controlled
    • Indoor
    • 24 hour access
    • Drive-Up Access
    • Retail Available
    • Onsite Manager
    • Contactless Renting
    • Security Camera
    • Gate
    • Credit Cards Accepted
    • Elevators
    • Multi-Level Storage
    • Online Payment
    • RV Storage

    Customer reviews

    4.8/5
    Average rating
    770
    Number of reviews

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

    I had the most simple, quick and easy experience here at this location. Will was absolutely patience with me. Wow! Giving me my time to ventilate. Will even walked me through the whole thing. I feel comfortable with people like this. Awesome!!! ... Read more
    Puhdeeya - 10 July 2026
    A great first experience with Extra Space Storage. Christina, the Assistant Manager, was friendly, knowledgeable and helpful with renting me a unit. She was sure to let me know about the promo packages being offered currently which helped to receive a discounted price on the monthly premium. I believe the unit I rented will be the appropriate size for my needs. I could see that the facility was well maintained as well. ... Read more
    Sylvia C. - 15 June 2026
    Tami T. - 6 June 2026
    It is my first time renting a unit with Extra Space Storage. Process was fast and smooth. Christina was very helpful with helping get a bigger unit than what I thought I needed. Answered all questions I had. Will defenetly recommend using Extra Space Storage to friends and family. Thanks. ... Read more
    STVN - 12 March 2026
    I had a pleasure securing storage with extra storage place. Christina was friendly, helpful and caring throughout the whole process making this a great experience for me, especially since this is my first time with extra space storage. Christina was willing to work with me. She continued to go up and beyond for her customers. ... Read more
    princess t. - 25 January 2026
    JCastro N. - 24 January 2026
    I came to Extra Space Storage, Christina was so helpful, she answered all my questions, showed me the options I had to select from as well as physically showing me each unit we talked about, she was amazing. If you need help finding a storage place go to her she will break it down to you in all your questions . ... Read more
    Cindy B. - 21 January 2026
    Ivon Godinez was amazing at explaining everything in full details to make sure I was comfortable with my choice for storing my valuable belongings! If I could give 20 stars I would! Stephanie P was awesome as well with the warm welcome! These women are gems ???? ... Read more
    KINDREDd - 30 September 2025
    “I really appreciate Ivon’s excellent service at the storage facility. She is reliable, welcoming, and always makes sure everything is handled smoothly. It’s always a positive experience working with her.” ... Read more
    Lyric Y. - 4 September 2025
    “Ivon is always so helpful and professional whenever I stop by to pick up inventory. She’s very friendly, makes the process quick, and is always willing to answer any questions. Great customer service every time!” ... Read more
    Tee M. - 4 September 2025
    My whole experience from the time I was researching where I was going to store my belongings, to the time I actually rented a unit, was great. The office agent Stephanie handled all the correspondence from be my very first transaction, all the way until the rental contract, as was a pleasure to work with. She was very personable and knowledgeable. Thank you for the great experience ?? ... Read more
    Stephen K. - 3 June 2025
    I was pleaseantly amazed at the affordable pricing,(Dependant on your actual needs, [of course]) and I'm a cheapskate. My advise, don't rent more space than you need, Stack them boxes high, and save a few bucks. Also, If you won't need floor level, get an upper. It's probably cheaper. WARNING: NO SMOKING. You can be cited or banned. DO NOT leave your bulk trash tossed at the dumpsters, the managers really hate that. Besides, dumpsters are usually padlocked. So either ask them nicely, or, since your moving truck usually has SOME space left, toss it at a WALLMART or something. I heard they will pinpoint the litter-er, and cite them, from the unit number they left from (account holder). TYPICALLY: Office is open until 6:00PM Mon-Sat. Gates: Until about 10:00PM (with access code of course). Sunday is variable, from site to site. Hours may vary, slightly. Check ahead of time. ... Read more
    Alejandro L. - 28 April 2025
    Vince V. - 1 April 2025
    Erika J. - 24 March 2025
    Luna &. - 22 February 2025
    Best experience I’ve had with renting a storage unit! Stephanie has been a great help with answering all my questions and concerns. She provided excellent customer service and has always shown professionalism would highly recommend Extra space storage! ... Read more
    Edwin T. - 22 February 2025
    Liliana R. - 18 December 2024

    About this facility

    Located at 850 South Mount Vernon Avenue, this Extra Space Storage facility in Colton, CA, offers unit sizes ranging from small to large, accommodating various storage needs. With options like climate-controlled units, it’s an excellent choice for protecting sensitive items from the area's seasonal heat. The multi-level storage and elevator access make it easy to maneuver belongings, whether you’re storing a small apartment’s worth of items or larger household goods.

    This facility is loaded with features to make your storage experience convenient and secure. The 24-hour access ensures flexibility, while drive-up access allows you to load and unload directly from your vehicle without hassle. For added peace of mind, the property is equipped with security cameras, and the presence of an onsite manager enhances overall safety. Those with RVs will appreciate the available RV storage, and the indoor access adds an extra layer of protection for your items.

    For easy management, this Extra Space Storage facility offers contactless renting, online payment, and accepts credit cards. Moving supplies are also available for purchase on-site, making it a one-stop shop for your storage needs. This facility is ideal for Colton residents seeking a modern, secure, and convenient storage solution.

    Price comparison

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

    Small $97/mo
    Location minimum Location maximum
    $25/mo $195/mo
    Medium $203/mo
    Location minimum Location maximum
    $50/mo $280/mo
    Large $449/mo
    Location minimum Location maximum
    $155/mo $597/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.

    47

    out of 100

    Walk Score

    Car-Dependent

    Most errands require a car

    32

    out of 100

    Transit Score

    Some Transit

    A few nearby public transportation options

    61

    out of 100

    Bike Score

    Bikeable

    Some bike infrastructure

    Walk Score®: 47, Transit Score®: 32, Bike Score®: 61

    Neighborhood highlights

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

    • Mount Vernon @ Cooley Southbound

      Transportation 0.11 miles

    • Kaiser Permanente Colton

      Services 0.26 miles

    • Mount Vernon @ Santo Antonio

      Transportation 0.27 miles

    • Mount Vernon @ Centrepointe Northbound

      Transportation 0.39 miles

    • Wendy's

      Food & Drinks 0.39 miles

    • Mount Vernon @ Centerpointe Southbound

      Transportation 0.39 miles

    • M @ Mount Vernon Eastbound

      Transportation 0.4 miles

    • Walmart Supercenter

      Grocery Stores 0.43 miles

    • Jack in the Box

      Food & Drinks 0.49 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.

    Climate-controlled storage units maintain consistent temperature and humidity levels, helping protect items from damage caused by heat, cold, or excess moisture.

    You may want climate control if you’re storing items that can be sensitive to temperature changes, such as furniture, clothing, appliances, paperwork, photographs, artwork, electronics, or wood and leather goods. These units are especially useful for long-term storage or in areas with hot summers, cold winters, or high humidity.

    If you’re storing durable items like tools or outdoor gear, a standard unit may be sufficient. When in doubt, climate control offers added protection and peace of mind.

    The facility at 850 South Mount Vernon 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 - 850 South Mount Vernon 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 850 South Mount Vernon Avenue for specific restrictions and recommendations.

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