Extra Space Storage - 940 North Mill Street, Lewisville, TX 75057

4.9/5 - 303 Reviews
Location:
940 North Mill Street, Lewisville, TX 75057
Office hours:
  • Mon-Fri: 9:30 a.m. - 6 p.m.
  • Sat: 9 a.m. - 5:30 p.m.

Extra Space Storage - 940 North Mill Street, Lewisville, TX 75057

  • Indoor

    Units are located indoors for added protection and convenience

  • Drive-Up Access

    Drive directly up to your unit for easy loading and unloading

  • Onsite Manager

    On-site staff available to assist with property needs

    Not sure which size you need? Check our size guide to find the perfect fit.
    10x7 Self Storage 70 Sq. Ft.
    $144/mo
    10x5 Self Storage 50 Sq. Ft.
    $121/mo
    5x10 Self Storage 50 Sq. Ft.
    $121/mo
    5x5 Self Storage 25 Sq. Ft.
    $63/mo
    10x15 Self Storage 150 Sq. Ft.
    $201/mo
    10x10 Self Storage 100 Sq. Ft.
    $145/mo
    9x16 Self Storage 144 Sq. Ft.
    $193/mo
    9x16 Vehicle 144 Sq. Ft.
    Car Storage Parking
    $90/mo
    20x20 Vehicle 400 Sq. Ft.
    Drive-up Access Parking RV Storage
    $378/mo
    20x15 Self Storage 300 Sq. Ft.
    $304/mo
    20x10 Self Storage 200 Sq. Ft.
    $223/mo
    12x30 Vehicle 360 Sq. Ft.
    Drive-up Access Parking RV Storage
    $349/mo
    11x47 Vehicle 517 Sq. Ft.
    Parking RV Storage
    $248/mo
    11x45 Vehicle 495 Sq. Ft.
    Parking RV Storage
    $240/mo
    11x40 Vehicle 440 Sq. Ft.
    Parking RV Storage
    $219/mo
    11x38 Vehicle 418 Sq. Ft.
    Parking RV Storage
    $211/mo
    10x30 Vehicle 300 Sq. Ft.
    Drive-up Access Parking RV Storage
    $304/mo
    10x23 Vehicle 230 Sq. Ft.
    Car Storage Parking
    $116/mo
    10x20 Vehicle 200 Sq. Ft.
    Car Storage Drive-up Access Parking
    $112 - $181/mo
    No units are currently available.

    Amenities & features

    • Indoor
    • Drive-Up Access
    • Onsite Manager
    • Contactless Renting
    • Security Camera
    • Gate
    • Parking
    • Credit Cards Accepted
    • Online Payment
    • RV Storage

    Customer reviews

    4.9/5
    Average rating
    303
    Number of reviews

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

    I can honestly say, I had the privilege today to speak to the best employee at Extra space storage on mill rd today, Ralph not only had such a positive voice, He handled my questions, with stride. Very smart to have Ralph on your schedule. He is a team player, I know this because my first attempt, I called another location at witch a female, was answer a work phone, like it was personal, and said she could not assist me. , I mentioned this to Ralph, his response was she most likely misunderstood my needs, to please give her a chance if I could spare a second. I really enjoyed all the great help, and He spoke to me with all respect. Very rare these days, I’m all smiles today, and possibly will take my second to give his co-employees chance to redeem her professional side. I’d like to give Ralph a raise, and paid time off, ( never met him). Keep up the wonderful communication and skills. Never know what ppl will say about you on the job. Take care Ralph and all Extra space storage employees. ... Read more
    Stephanie J. - 4 June 2026
    Extra Space is a wonderful place, I have been storing with them for past 6 years. Ralph has a wonderful help and always very considerate and supportive. I will defend recommend them to anyone who have any storage needs. ... Read more
    Edward G. - 11 April 2026
    I’ve known Ralph before the acquisition or acquiring of the old storage company. He’s always done a great job and I understand why he is still there and a valued member of y’all’s team. He’s understanding and kind. Every time I’m there, he’s out and about taking care of the property and building. Great relationships with the renters.. He has came by and Interacted with us as I was at the storage with my kids. He has walked around with my kids, showing them different storages and teaching them things. ... Read more
    James B. - 6 March 2026
    Ralph is absolutely the best representative. We met Ralph, Store manager at Lewesville location and he is very patient and great at what he does. We wanted to see 3 units and he did allow us to drive up in our car because we had a newborn. He patiently showed us all 3 units and we were completely satisfied with it. I loved the service and the person he was. We really had good experience at the location and we immediately signed up for it. Very good communication skills and excellent personality ... Read more
    Happy D. - 9 February 2026
    I would like to say this was the best experience ever. Pelon was amazing he set me up with a unit and was extremely pleasant to talk to. He definitely knows what he is doing. I truly believe I have found my storage unit home forever.. ... Read more
    Isaura M. - 7 February 2026
    I simply want to say it's refreshing to deal with a true professional as Ralph at the Lewisville location. Im retired 31 yr aircraft inspector for American Airlines and its refreshing and just wanted to say I appreciate being treated as such. ... Read more
    robert W. - 3 October 2025
    Extra Space took over the unit and raised the rate to $116 w/insurance for a 10x10 in June 2025. We took a web rate promo and downsized into a 5x10 then, first full bill was $51, which is like $40 plus insurance. Now we get a postcard that our rate will go to $80 plus insurance in October 2025. If you would like your rate to double in 4 months, this is the place. The nerve it takes for these millionaires to charge more per square foot than my home for their drafty house of cards. I'm sure they would blame the market, but "Timmy can do it so why can't I" is the defense of a child. You're ripping people off. We will downsize again and get out of the unit. EDIT: The onsite manager, Ralph, was very courteous in giving some relief on this rate increase, probably temporary but it is appreciated. I will say that the local staff have been great, but the storage prices set by extraspace and others in this area are getting out of hand and are in need of a correction, especially if they are giving themselves opportunities to increase rent 3 times a year. ... Read more
    Shane R. - 26 September 2025
    Yubeidy S. - 20 September 2025
    Alfredo C. - 1 July 2025
    Absolutely top-notch customer service! I had a great experience with SteelCreek storage from beginning to end. I did everything online and was able to access my unit same day after office hours. Also, I forgot to mention they provide a lock. From the moment I inquired about a unit, the Ralph went above and beyond to make the process smooth and stress-free. He was friendly, professional, and incredibly responsive—answering all my questions and helping me access unit. The facility is clean, secure, and well-maintained. I’ve used storage services before, but none have matched the level of care and attention I received here. Highly recommend if you're looking for a place that truly puts customers first! ... Read more
    ariyanna s. - 10 April 2025
    I had a great experience with Steelcreek Storage from beginning to end. I started the initial rental process online. Their website was easy to maneuver, and the information provided was clear, making the selection of my unit a breeze. As soon as I submitted my application, I received a text from Ralph who gave me further instruction for completing the rental process. I was not able to get into their office until almost closing time, but Ralph was there waiting with a welcoming smile and friendly demeanor. Despite it being past closing time, Ralph took me to see my storage unit and answer any questions I had. A big thank you to Ralph for accommodating my schedule and staying after hours to get me set up and acquainted with the property. I really appreciate that. Your customer service was 5-star!! I would hands-down recommend Steelcreek Storage to anyone looking for a pristine climate controlled storage unit in the Lewisville area. ... Read more
    Randy L. - 18 March 2025
    RW is great! We got a unit from him today and he was very honest and trustworthy. The security is great, the lighting is awesome, and there are a lot of security cameras. I would definitely recommend this location! ... Read more
    Logan A. - 19 February 2025
    This is a great storage facility, very clean, and continually making improvements. Ralph is a huge help whenever I need something. Maintenance requests are taken seriously and acted on quickly. If the interior of your unit is impacted, they video the work from opening door to closing it, though no issues at all the one time my unit needed something inside. The availability of a climate controlled unit with direct exterior access seems unique to this facility. Will use this facility as long as I need a storage unit. ... Read more
    Matt E. - 18 February 2025
    I happened upon Steelcreek Storage on my way to another Storage facility, so I quickly googled the property information and stopped by. I needed to rent a unit and begin moving things ASAP. Ralph was awesome sauce and super sweet! He helped me choose the best size for my items, walked me through the unit, and I was pleasantly surprised by the monthly rate. The process was simple & quick, and Ralph made sure my access code was working before I came back later that evening to drop off my first load. The property is very clean, well lit at night, and I felt perfectly safe. I had a great customer experience and highly recommend Steelcreek Storage. ... Read more
    Carla H. - 25 November 2024

    About this facility

    Located at 940 North Mill Street in Lewisville, TX, this Extra Space Storage facility offers a range of unit sizes, including small, medium, and large, to meet various storage needs. Situated in a bustling area of Lewisville, this facility is ideal for residents or businesses requiring extra space for seasonal items, furniture, or inventory.

    Key amenities at this facility include drive-up access for convenient loading and unloading and indoor units for added protection from the Texas weather. For vehicle owners, the facility provides parking and RV storage, making it an excellent choice for RV enthusiasts and car storage. Safety is a priority, with security cameras, gated access, and the presence of an onsite manager to ensure your belongings are well-protected. The facility also offers contactless renting, allowing for a hassle-free move-in experience.

    With the added convenience of online payment and acceptance of credit cards, this Extra Space Storage facility is perfect for those seeking secure, accessible, and flexible storage solutions in Lewisville.

    Price comparison

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

    Small $112/mo
    Location minimum Location maximum
    $21/mo $176/mo
    Medium $157/mo
    Location minimum Location maximum
    $50/mo $312/mo
    Large $246/mo
    Location minimum Location maximum
    $25/mo $2470/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.

    33

    out of 100

    Walk Score

    Car-Dependent

    Most errands require a car

    34

    out of 100

    Bike Score

    Somewhat Bikeable

    Minimal bike infrastructure

    Walk Score®: 33, Bike Score®: 34

    Neighborhood highlights

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

    • Lewisville City Hall

      Services 0.68 miles

    • Bank of the West

      Services 0.71 miles

    • Kuzmich Law Firm, P.C.

      Services 0.73 miles

    • River Oaks Spine & Rehab Center

      Services 0.73 miles

    • We + You

      Shopping 0.77 miles

    • Old Town Wine House

      Food & Drinks 0.77 miles

    • Perc Coffeehouse

      Shopping 0.77 miles

    • Associates of Ear, Nose, and Throat Surgery

      Services 0.78 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 940 North Mill Street is accessible during regular access hours, typically Mon-Fri: 9:30 a.m. - 6 p.m., Sat: 9 a.m. - 5:30 p.m. Office hours and gate access times may differ, so it’s a good idea to check the facility’s posted schedule before your visit.

    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 - 940 North Mill Street, 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 940 North Mill Street for specific restrictions and recommendations.

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