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

Self Storage, Car Storage, RV Storage 25 - 517 Sq. Ft.
4.9/5 - 281 Reviews
Location:
940 North Mill Street, Lewisville, TX 75057
All units
Small
Medium
Large
Parking
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Units Availability
Small Storage Unit
10x7
Self Storage
70 Sq. Ft.
$116/mo
Small Storage Unit
10x5
Self Storage
50 Sq. Ft.
$90/mo
Small Storage Unit
5x10
Self Storage
50 Sq. Ft.
$90/mo
Small Storage Unit
5x5
Self Storage
25 Sq. Ft.
$54/mo
Medium Storage Unit
10x15
Self Storage
150 Sq. Ft.
$188/mo
Medium Storage Unit
10x10
Self Storage
100 Sq. Ft.
$137/mo
Medium Storage Unit
9x16
Self Storage
144 Sq. Ft.
$181/mo
Medium Storage Unit
9x16
Parking
144 Sq. Ft.
Car Storage
Parking
$75/mo
Large Storage Unit
20x20
Parking
400 Sq. Ft.
Drive-up Access
Parking
RV Storage
$396/mo
Large Storage Unit
20x15
Self Storage
300 Sq. Ft.
$318/mo
Large Storage Unit
20x10
Self Storage
200 Sq. Ft.
$234/mo
Large Storage Unit
12x30
Parking
360 Sq. Ft.
Drive-up Access
Parking
RV Storage
$365/mo
Large Storage Unit
11x47
Parking
517 Sq. Ft.
Parking
RV Storage
$262/mo
Large Storage Unit
11x45
Parking
495 Sq. Ft.
Parking
RV Storage
$254/mo
Large Storage Unit
11x40
Parking
440 Sq. Ft.
Parking
RV Storage
$232/mo
Large Storage Unit
11x38
Parking
418 Sq. Ft.
Parking
RV Storage
$223/mo
Large Storage Unit
10x32
Parking
320 Sq. Ft.
Parking
RV Storage
$182/mo
Large Storage Unit
10x30
Parking
300 Sq. Ft.
Drive-up Access
Parking
RV Storage
$318/mo
Large Storage Unit
10x23
Parking
230 Sq. Ft.
Car Storage
Parking
$122/mo
Large Storage Unit
10x20
Parking
200 Sq. Ft.
Car Storage
Drive-up Access
Parking
$120 - $234/mo

Amenities

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

What customers are saying

4.9/5 - 281 Reviews

Read some helpful reviews of Extra Space Storage at 940 North Mill Street, shared by real renters with genuine experiences and honest opinions.

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 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

Overview

This Extra Space Storage facility, located at 940 North Mill Street in Lewisville, TX, offers a variety of unit sizes, including small, medium, and large, to meet diverse storage needs. Whether you're decluttering your home, in the midst of a move, or seeking a space for larger items, this facility provides flexible options to suit your situation.

Key features include drive-up access for easy loading and unloading, as well as indoor units that provide added protection from the elements. For those with vehicles, the facility offers parking and RV storage, ideal for Lewisville residents with limited driveway space or those planning road trips. With advanced security cameras, a gated entry system, and an onsite manager, your items are kept safe and secure.

Convenience is a priority here, with contactless renting, online payment, and credit card acceptance simplifying the rental process. Perfect for homeowners, apartment dwellers, and businesses in the area, this facility combines accessibility with excellent customer support.

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Frequently Asked Questions

There is a wide array of amenities available for the storage units that Extra Space Storage - 940 North Mill Street has to offer. These amenities include Indoor, Drive-Up Access, Onsite Manager, Contactless Renting, Security Camera, Gate, Parking, Credit Cards Accepted, 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 - 940 North Mill Street can satisfy all of your storage needs. Different sizes here range from 25 to 517 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 - 940 North Mill Street come at a variety of prices, starting from $54 per month for typically smaller units. However, larger spaces can set you back up to $396 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!