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Extra Space Storage - 14750 East 40th Avenue, Denver, CO 80239

Self Storage, Car Storage, RV Storage 25 - 900 Sq. Ft.
4.8/5 - 1096 Reviews
Location:
14750 East 40th Avenue, Denver, CO 80239
All units
Small
Medium
Large
Parking
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Units Availability
Small Storage Unit
10x5
Self Storage
50 Sq. Ft.
$104/mo
Small Storage Unit
5x15
Self Storage
75 Sq. Ft.
$145/mo
Small Storage Unit
5x10
Self Storage
50 Sq. Ft.
$104/mo
Small Storage Unit
5x5
Self Storage
25 Sq. Ft.
$65/mo
Medium Storage Unit
15x10
Self Storage
150 Sq. Ft.
$212/mo
Medium Storage Unit
10x15
Self Storage
150 Sq. Ft.
$212/mo
Medium Storage Unit
10x15
Parking
150 Sq. Ft.
Car Storage
Parking
$113/mo
Medium Storage Unit
10x10
Self Storage
100 Sq. Ft.
$160/mo
Medium Storage Unit
9x20
Parking
180 Sq. Ft.
Car Storage
Parking
$125/mo
Large Storage Unit
30x30
Parking
900 Sq. Ft.
Parking
RV Storage
$313/mo
Large Storage Unit
20x20
Self Storage
400 Sq. Ft.
$425/mo
Large Storage Unit
15x30
Parking
450 Sq. Ft.
Drive-up Access
Parking
RV Storage
$449/mo
Large Storage Unit
12x30
Self Storage
360 Sq. Ft.
$411/mo
Large Storage Unit
12x30
Parking
360 Sq. Ft.
Drive-up Access
Parking
RV Storage
$388/mo
Large Storage Unit
12x20
Self Storage
240 Sq. Ft.
$307/mo
Large Storage Unit
12x20
Parking
240 Sq. Ft.
Car Storage
Drive-up Access
Parking
$290/mo
Large Storage Unit
10x40
Self Storage
400 Sq. Ft.
$425/mo
Large Storage Unit
10x40
Parking
400 Sq. Ft.
Parking
RV Storage
$190/mo
Large Storage Unit
10x30
Parking
300 Sq. Ft.
Parking
RV Storage
$166 - $341/mo
Large Storage Unit
10x25
Parking
250 Sq. Ft.
Drive-up Access
Parking
RV Storage
$299/mo
Large Storage Unit
10x20
Parking
200 Sq. Ft.
Car Storage
Parking
$135 - $254/mo

Amenities

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

What customers are saying

4.8/5 - 1096 Reviews

Read some helpful reviews of Extra Space Storage at 14750 East 40th Avenue, shared by real renters with genuine experiences and honest opinions.

So far, my experience has been perfect. I did the setup on the phone. I was able to start my storage on a Sunday without any difficulty. Everything as was described was delivered. I've done this in numerous locations in the past, and this was seamless. ... Read more
Ed B. - 2 March 2026
We had a great experience securing a storage unit here and were renting again in the near future. The facility was clean, well-maintained, and the process was straightforward from start to finish. A special thank you to Rhea, who went above and beyond to help us find the right unit for our needs. She was friendly, professional, and took the time to answer all of our questions, making the entire experience easy and stress-free. Excellent customer service — highly recommend! ... Read more
Corrine - 7 February 2026
If I could give Rhea at the location I was at I would give her a 5 star review! She was great the whole time I rented from there, really- in all the experience was just fine, only reason Im giving 4 all around is because of the price increase, that almost doubled with a lil over a months notice.. otherwise no problems!! ... Read more
Brenda D. - 7 February 2026
This is the first time we have used a storage facility. Rhea is great! She walked us through everything and was extremely helpful. After speaking with Rhea we knew that Extra Space Storage was the right place for our storage needs. Thank you Rhea, your kindness and professionalism was very much appreciated. ... Read more
Cindy C. - 21 December 2025
larry h. - 6 October 2025
Rhea provided wonderful assistance in reserving our short term storage needs. We had not used extra space storage in the past but Rhea made the process very easy & convenient. I will definitely recommend the facility to others and use it in the future for our storage needs. ... Read more
Beatrice Q. - 6 October 2025
Kyle c. - 2 October 2025
Fantastic staff and facility — but beware unexpected rate hikes I’ve used this Extra Space Storage location in Denver a few times and the facility and staff are excellent — friendly, helpful, and clearly committed to keeping the site safe and secure. I stored valuable items here because I trusted their care. However, my rating reflects how Extra Space handles billing, not the local team. My monthly rate increased by 30% with no prior notification; I only discovered the change after my payment processed. Because of that surprise increase, I don’t plan to continue using Extra Space. Customer awareness: ask about automatic rate changes, get any rate or notification policies in writing, and monitor your billing closely — especially shortly after signing up. Short version for posting: Great staff and secure facility, but unexpected 30% rate increase with no notice. Monitor billing and confirm rate-change/notification policies in writing before you sign. ... Read more
Cut B. - 2 September 2025
Rhea is an excellent manager at the site. Everything went smoothly with my rental because Rhea put the extra effort in to make sure the transaction went through smoothly and as expected. Excellent Customer service I will definitely use this location again because Rhea makes this so easy and transparent. Couldn’t ask for better service. ... Read more
Mark H. - 1 September 2025
We had an excellent experience at Extra Space Storage. Rhea is extremely kind and totally professional. She made our rental and check in experience very easy and we are so grateful. I highly recommend this storage facility which is convenient to the airport ... Read more
Barbara B. - 1 September 2025
Rhea is AWESOME! I frequently use different storage facilities, and typically the on-site managers seem to hate their job or be annoyed by helping you, but not here! Rhea knows all the company policies like the back of her hand, and more importantly, how to navigate them with customers in mind, actually trying to help you out. Highly recommend. Seriously, extra space needs to acknowledge they’ve got an awesome employee! ... Read more
Nolan L. - 7 August 2025
Excellent Service. Rhea was so easy to work with and had me set up in no time. The place was well maintained and I felt comfortable with the safety of my property there. Thank you again! Extra Storage Space was excellent. Back out Cross Country I go! ... Read more
Rolland B. - 2 August 2025
Amy J. - 18 June 2025
I can’t say enough great things about Extra Space Storage and Rhea. She is always so willing to help and consistently goes out of her way to make sure everything runs smoothly. Her kindness, professionalism, and genuine care make every interaction a positive experience. It’s rare to find someone so attentive and dedicated. This Extra Space Storage is highly recommended! ... Read more
Trinette D. - 6 June 2025
Rhea of Extra space has been very helpful and accommodating especially for a first time storage user like me. She assisted and even gave tips and tricks on how to lock /unlock the roll up door efficiently , which riding services can save you more. Truly appreciate their services and will be back when need for extra storage arise. ... Read more
Veejay P. - 6 April 2025
We have been a renter here for about 5 years or so, our unit was broken into and some expensive Ski/snowboard items were taken. Rhea helped out with the police report and insurance coverage and then she changed our unit location for a more secure doorway. Hopefully this is not an ongoing thing as per Rhea had said she has stepped up security and hopefully Xtra Space will install more cameras . ... Read more
Daniel P. - 25 March 2025
This place has been my saving grace! It is are, secure and CLEAN!!! They monitor the property at times so you know your belongings are safe no matter what! I would very highly recommend!! Also, they have the best rates in town! ... Read more
Patricia R. - 9 January 2025
I was looking for storage for my 2023 Mercedes RV. I had looked at a few different companies. I came across Extra Space Storage and they have been amazing! I’m very busy so it’s difficult to get a hold of me at times. Working with Rhea has been great. Her Customer Service and professionalism has been top notch. I was walked through the whole process. The space that I am renting is perfect for my RV. Extra Space Storage makes it very easy to store my RV. With easy access in and out of the facility. Hours work perfectly and the grounds are well maintained. I highly recommend Extra Space Storage for any of your vehicle storage needs. ... Read more
Livia G. - 8 January 2025
First time renting a storage unit for my car while I am traveling. Rhea was so awesome, answering all my questions and concerns and helping me make the right decision on a space when I was working through the online rental. She also had lots of great tips to share and was very helpful when I arrived at the unit. 5 stars, will absolutely rent through her again. ... Read more
Angela F. - 6 January 2025

Overview

This Extra Space Storage facility, located at 14750 East 40th Avenue in Denver, CO, offers a variety of unit sizes, including small, medium, and large, to meet diverse storage needs. Conveniently situated near the bustling neighborhoods of Denver, this facility is an excellent choice for residents and businesses seeking additional space in a growing urban area.

With drive-up access and indoor units, storing your belongings is easy and hassle-free. The facility also features parking and RV storage, making it a great option for vehicle owners needing secure space. Safety is prioritized with security cameras and an onsite manager, providing peace of mind for your stored items. The presence of a gated entry ensures restricted access to authorized users only.

For added convenience, this facility offers contactless renting, accepts credit card payments, and supports online payments for seamless transactions. Moving supplies are available for purchase, and truck rentals make transporting items simpler. Whether you're relocating, downsizing, or just need extra room, this facility stands out for its accessibility and customer-focused amenities.

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Storage units in nearby cities

Want to see how Denver, CO, compares to other places? There are plenty of great options nearby. Greenwood Village, CO, 10 miles away, has 1 self storage facility with rents starting from $42/month. Or you could drive to Glendale, CO, just 11 miles distant to find other options, where the cheapest units in 1 facility there can be rented for $56/month. In Englewood, CO, just 11 miles away, there are 14 facilities available, offering rents as low as $23/month. Further out, Parker, CO (13 miles away), and Lone Tree, CO (14 miles away), have 9 and 2 facilities, with minimum rents of $19 and $47, respectively.

Storage units in Greenwood Village, CO Within a 10-mile radius
1 Facility
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Storage units in Glendale, CO Within a 11-mile radius
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Storage units in Englewood, CO Within a 11-mile radius
14 Facilities
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Storage units in Parker, CO Within a 13-mile radius
9 Facilities
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Storage units in Lone Tree, CO Within a 14-mile radius
2 Facilities
From $47/mo
Storage units in Commerce City, CO Within a 14-mile radius
6 Facilities
From $57/mo
Storage units in Sheridan, CO Within a 15-mile radius
3 Facilities
From $60/mo
Storage units in Federal Heights, CO Within a 20-mile radius
4 Facilities
From $15/mo
Storage units in Northglenn, CO Within a 20-mile radius
3 Facilities
From $51/mo
Storage units in Wheat Ridge, CO Within a 20-mile radius
4 Facilities
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Storage units in Brighton, CO Within a 21-mile radius
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Storage units in Littleton, CO Within a 21-mile radius
29 Facilities
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Storage units in Ken Caryl, CO Within a 22-mile radius
5 Facilities
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Storage units in Castle Rock, CO Within a 24-mile radius
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Storage units in Broomfield, CO Within a 25-mile radius
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Storage units in Superior, CO Within a 29-mile radius
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Storage units in Lafayette, CO Within a 29-mile radius
2 Facilities
From $45/mo
Storage units in Louisville, CO Within a 30-mile radius
2 Facilities
From $42/mo
Storage units in Erie, CO Within a 30-mile radius
9 Facilities
From $35/mo
Storage units in Golden, CO Within a 31-mile radius
6 Facilities
From $40/mo

Check out storage units in trending cities

Still looking for the ideal storage unit? For more great self storage options you wouldn't have to cross the state border: units can be leased in Denver, CO and Colorado Springs, CO, starting from $12 and $9, respectively. Even more storage is available and with low starting rents, in Fort Collins, CO ($29), Lakewood, CO ($20) and Thornton, CO ($41).

Storage units in Denver, CO
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Storage units in Fort Collins, CO
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Storage units in Lakewood, CO
13 Facilities
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Storage units in Thornton, CO
11 Facilities
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Storage units in Arvada, CO
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From $32/mo
Browse storage units in all Colorado cities.

Frequently Asked Questions

There is a wide array of amenities available for the storage units that Extra Space Storage - 14750 East 40th Avenue has to offer. These amenities include Indoor, Drive-Up Access, Retail Available, Onsite Manager, Truck Rentals, 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 - 14750 East 40th Avenue can satisfy all of your storage needs. Different sizes here range from 25 to 900 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 - 14750 East 40th Avenue come at a variety of prices, starting from $65 per month for typically smaller units. However, larger spaces can set you back up to $449 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!