128th-Colorado Self Storage - 4215 East 128th Avenue, Thornton, CO 80241

4.6/5 - 85 Reviews
Location:
4215 East 128th Avenue, Thornton, CO 80241
Office hours:
  • Mon-Thu: 10 a.m. - 6 p.m.
  • Fri-Sat: 9 a.m. - 5 p.m.

128th-Colorado Self Storage - 4215 East 128th Avenue, Thornton, CO 80241

  • Indoor

    Units are located indoors for added protection and convenience

  • Drive-Up Access

    Drive directly up to your unit for easy loading and unloading

  • Retail Available

    Moving and packing supplies available for purchase on-site

Not sure which size you need? Check our size guide to find the perfect fit.
5x9 Self Storage 45 Sq. Ft.
$100/mo
10x15 Self Storage 150 Sq. Ft.
$195/mo
10x20 Self Storage 200 Sq. Ft.
$260/mo
No units are currently available.

Amenities & features

  • Indoor
  • Drive-Up Access
  • Retail Available
  • Onsite Manager
  • Security Camera
  • Gate
  • Parking
  • Credit Cards Accepted
  • Online Payment

Customer reviews

4.6/5
Average rating
85
Number of reviews

Read some helpful reviews of 128th-Colorado Self Storage, shared by real renters with genuine experiences and honest opinions.

128th Storage has been a partner for the past few years. They offer the best storage options we have seen in a long time. Robin has always gone above and beyond to help with questions and billing. As a small veteran owned business; we appreciate the support of quality partners like 128th Storage. We look forward to our continued partnership in the years to come. ... Read more
Sprinkler R. - 17 March 2026
I have used 128th Storage for years. Robin and her team have been extremely helpful at every step. The facility is clean, secure, and affordable. I would recommend them over any other storage in the area. ... Read more
Derrick E. - 17 March 2026
Great experience overall! The staff was incredibly friendly and helpful from the start, making the whole process smooth and stress-free. Setting up the unit was quick and straightforward, with clear instructions and no hassle. Access to the facility is easy and convenient, which makes moving items in and out simple. Highly recommend if you’re looking for a clean, well-managed storage facility with excellent customer service. ... Read more
Michael F. - 27 February 2026
Our company has been using this storage facility for over a year and along with its convenience, Robyn takes great care to make sure we have all we need, alerts us to any additional space that becomes available, maintains a clean facility, and always making sure that the security for everyone is "first rate." ... Read more
Chris R. - 24 February 2026
We were in a pivot type situation instead of moving we had to find storage quickly. Robin has been amazing helping our family and communicating with an outside party which has been challenging at time. Thank you ... Read more
Julie - 8 August 2025
I moved back to Colorado back in March. I had to pick up my life and relocate home. I neared a storage unit for all of my things and my motorcycle when I called me the office manager Robin has been nothing short of amazing. She helped take care of me. Help me set up automatic payments takes my phone calls. And the fact that I forget, I have automatic payments with such grace. And patience i never been more satisfied having my stuff somewhere in my entire life. This place is amazing ... Read more
Drusilla H. - 23 December 2024
I have had the Pleasure to work with the Manager at the 128th Self Storage Facility, Robyn, to secure a large rental unit for my Household goods from a move from Louisiana to Thornton, CO for the past 6 weeks. She has been 'unbelievable' in her expedient 'follow-up' emails and calls to keep me appraised of the status of the Unit availability in-which we were needing to store our goods. She was informative, timely, and very professional in taking care of our needs. Because of all of her Efforts and Professionalism, I rate this Manager as a 'Five Star Rating'! Ron ... Read more
ron g. - 24 July 2024
I cannot say enough good things about Storage Company. The facility is excellent, but the highlight of my experience has been the manager Robyn. Her warm and welcoming demeanor makes every visit enjoyable. She is incredibly knowledgeable and always goes above and beyond to help. Thank you 128th Storage and Robyn, for your exceptional service! ... Read more
Jewell B. - 28 May 2024
EXCEPTIONAL customer service at this facility. I worked with Robyn, who was kind, helpful, and fun to be around. She made everything so easy. The facility is super nice. Highly recommend this facility for any and all storage needs. I will definitely be using this facility again, and recommend it to all family and friends. If I could give more than five stars, specially for customer service, I would. Thanks Robyn! ... Read more
Krysta R. - 28 May 2024
The staff is super nice and helpful. It served it's purpose for what I needed at the time. I had the space for about 4 months. A 10×20 is a pretty good size. I moved from a 6 bedroom to a 3 bedroom and still had extra room in there after putting everything that couldn't fit in the new place. They give you a convenient code to access the gate anytime between 10am until 10pm 7 days a week. Even though their office closes in the afternoon. You can still get in. But don't get trapped. I was told you have to be out by 10pm or you get stuck in the gates. You are either in there for the night or have to call the police to get you out somehow. I never took the chance and always went midday. They have security cameras everywhere, so it's pretty secure. I don't know if they have climate controlled units but mine was not so there were bugs, spiderwebs, and even looked like mice may have gotten in. But you should expect that with outdoor non-climate controlled units. It was kind of pricey so I tried to get rid of it as soon as I could. I was paying $189 a month for the 10 × 20. I'd guess there is probably cheaper around, but it was conveniently located to where I was off the corner of 128th and Colorado Blvd. It's tucked away behind the preschool on the corner. You actually use the same entrance to get in and drive past the school to the gate by the storage office. It was an overall good experience and I would recommend it if you just need a unit for the short term. If you need long term it would probably be best to get climate controlled space and find a more reasonably priced one. Also, when I signed up for a unit they were able to do everything virtually. Sign contracts, give me gate codes, and take payment. So it was contactless to get the unit. You can make payments online, too. You never really have to go into the office for anything if you don't want to. ... Read more
Nicole J. - 30 September 2020

About this facility

Located at 4215 East 128th Avenue in Thornton, CO, this 128th-Colorado Self Storage facility offers a range of unit sizes, including small, medium, and large options, to fit a variety of storage needs. Thornton’s growing population and family-friendly neighborhoods make this facility a convenient solution for those needing extra room for seasonal items, furniture, or business inventory.

This facility is equipped with drive-up access, making loading and unloading hassle-free, as well as indoor units for added protection from Colorado’s unpredictable weather. With a focus on security, the property features security cameras and the added assurance of an onsite manager. For vehicle storage, designated parking spaces are available, ideal for cars or smaller recreational vehicles. Customers also benefit from the convenience of a gated entry system, online payment options, and the ability to purchase retail moving supplies on-site.

This 128th-Colorado Self Storage facility is an excellent choice for local residents, businesses, or anyone seeking secure and accessible storage solutions in the Thornton area.

Price comparison

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

Small $100/mo
Location minimum Location maximum
$55/mo $172/mo
Medium $195/mo
Location minimum Location maximum
$134/mo $250/mo
Large $260/mo
Location minimum Location maximum
$127/mo $609/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.

51

out of 100

Walk Score

Somewhat Walkable

Some errands can be accomplished on foot

21

out of 100

Transit Score

Minimal Transit

It is possible to get on a bus

58

out of 100

Bike Score

Bikeable

Some bike infrastructure

Walk Score®: 51, Transit Score®: 21, Bike Score®: 58

Neighborhood highlights

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

  • Centura Thornton

    Services 0.1 miles

  • United Chinese

    Food & Drinks 0.15 miles

  • Phillips 66 Car Wash

    Services 0.16 miles

  • Taqueria El Compita

    Food & Drinks 0.16 miles

  • My Goods Market

    Grocery Stores 0.17 miles

  • Phillips 66

    Services 0.17 miles

  • KeyBank

    Services 0.17 miles

  • Northridge Car Wash

    Services 0.2 miles

  • Capri Pizza

    Food & Drinks 0.26 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 4215 East 128th Avenue is accessible during regular access hours, typically Mon-Thu: 10 a.m. - 6 p.m., Fri-Sat: 9 a.m. - 5 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 128th-Colorado Self Storage - 4215 East 128th 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 4215 East 128th Avenue for specific restrictions and recommendations.

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