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

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

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Storage units in nearby cities

Here is how Denver, CO, compares to other nearby cities. Overall, there are many other great self storage opportunities in the area. Greenwood Village, CO, is just 10 miles away and has 1 storage facility. Monthly rents there start at $42. However, you could also drive to Glendale, CO, which is 11 miles away and which also offers storage units for as little as $56. Englewood, CO is also just 11 miles distant. Listings there show no less than 14 facilities, with unit prices starting from $23. Looking a bit further away, storage facilities in Lone Tree, CO, and Sheridan, CO, have multiple types of units available, with monthly costs starting at $47 and $60, respectively.

Storage units in Greenwood Village, CO Within a 10-mile radius
1 Facility
From $42/mo
Storage units in Glendale, CO Within a 11-mile radius
1 Facility
From $56/mo
Storage units in Englewood, CO Within a 11-mile radius
14 Facilities
From $23/mo
Storage units in Lone Tree, CO Within a 14-mile radius
2 Facilities
From $47/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
From $33/mo
Storage units in Ken Caryl, CO Within a 22-mile radius
5 Facilities
From $30/mo
Storage units in Superior, CO Within a 29-mile radius
1 Facility
From $65/mo
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
Storage units in Evergreen, CO Within a 37-mile radius
2 Facilities
From $80/mo
Storage units in Platteville, CO Within a 39-mile radius
1 Facility
From $49/mo
Storage units in Johnstown, CO Within a 46-mile radius
6 Facilities
From $43/mo
Storage units in Berthoud, CO Within a 47-mile radius
4 Facilities
From $28/mo
Storage units in Evans, CO Within a 48-mile radius
4 Facilities
From $40/mo

Check out storage units in trending cities

If you want to see how your city compares to others, you can start by checking out other facilities in trending cities. A wide array of storage units can be leased in Denver, CO, Colorado Springs, CO and Fort Collins, CO, where sizes and amenities may vary. Monthly rents for units in these cities are as low as $12, $9 and $29, respectively.

Storage units in Denver, CO
59 Facilities
From $12/mo
Storage units in Fort Collins, CO
26 Facilities
From $29/mo
Storage units in Lakewood, CO
13 Facilities
From $20/mo
Storage units in Thornton, CO
11 Facilities
From $41/mo
Storage units in Arvada, CO
20 Facilities
From $24/mo
Storage units in Westminster, CO
5 Facilities
From $16/mo
Storage units in Pueblo, CO
33 Facilities
From $34/mo
Storage units in Greeley, CO
16 Facilities
From $36/mo
Storage units in Centennial, CO
6 Facilities
From $32/mo
Storage units in Boulder, CO
7 Facilities
From $35/mo
Storage units in Longmont, CO
15 Facilities
From $30/mo
Storage units in Castle Rock, CO
8 Facilities
From $37/mo
Storage units in Loveland, CO
17 Facilities
From $21/mo
Storage units in Broomfield, CO
9 Facilities
From $24/mo
Storage units in Parker, CO
9 Facilities
From $19/mo
Storage units in Littleton, CO
29 Facilities
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Storage units in Brighton, CO
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Browse storage units in all Colorado cities.

Frequently Asked Questions

Storage units available at Extra Space Storage - 14750 East 40th Avenue include the following amenities: Indoor, Drive-Up Access, Retail Available, Onsite Manager, Truck Rentals, Contactless Renting, Security Camera, Gate, Parking, Credit Cards Accepted, Online Payment and RV Storage. Depending on what you need to put away in storage, you can discover there are some things you absolutely need, so make sure you check with the facility manager that you'll find everything you need on site.

This particular storage facility provides self storage units of different sizes, ranging from 25 to 900 square feet. Space is not an issue! If you have more belongings to store, or simply bulkier items or even vehicles, you should go for larger storage units.

You already know how much stuff you need to put in self storage, so figuring out the unit size you need is the next step. Smaller units such as 5'x5' or 5'x10' spaces can usually be filled with the amount of items you would normally store in a closet: a few chairs and lamps, sports equipment, garden tools and some boxes.

Moving on to larger sizes, imagine the 10'x10' and 10'x15' units as similar to a bedroom or a living room – larger pieces of furniture, sturdier equipment and bicycles can fit here. Finally, a 10'x20' unit has enough space for the contents of a 3-bedroom house, while the larger 10'x30' space easily accommodates the contents of a loaded semi-truck.

Monthly prices for units offered by Extra Space Storage - 14750 East 40th Avenue start from $65 and can go up to $449 for larger spaces.

Accessibility and quickness are key when it comes to storage, so drive-up storage units are generally regarded as very convenient. Pull your car right up to your storage space, load, unload, and you're good to go! However, if you're mostly storing temperature-sensitive items, you should rather consider indoor storage units.

Climate-controlled units maintain consistent temperatures and humidity levels all year round, making them perfect for all your sensitive items. Moisture and varying temperatures can damage a whole host of things, and that is why a lot of people choose to use climate-controlled units to store items like wooden furniture, electronics, artwork, documents and photographs, collectibles, antiques, etc. If the belongings you're storing are important to you, you should consider renting a climate-controlled unit.