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(970) 587-9100

Rocky State Storage - 23315 CO-257, Milliken, CO

Self Storage, Car Storage, RV Storage 50 - 540 Sq. Ft.
4.8/5 - 139 Reviews
(970) 587-9100
Location:
23315 CO-257, Milliken, CO 80543
All units
Small
Medium
Large
Parking
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Units Availability
Small Storage Unit
5x10
Self Storage
50 Sq. Ft.
$110/mo
Medium Storage Unit
10x15
Self Storage
150 Sq. Ft.
$100 - $175/mo
Medium Storage Unit
10x10
Self Storage
100 Sq. Ft.
$145/mo
Large Storage Unit
12x45
Parking
540 Sq. Ft.
Parking
RV Storage
$140/mo
Large Storage Unit
12x40
Parking
480 Sq. Ft.
Parking
RV Storage
$135/mo
Large Storage Unit
12x35
Parking
420 Sq. Ft.
Parking
RV Storage
$130/mo
Large Storage Unit
12x30
Parking
360 Sq. Ft.
Parking
RV Storage
$120/mo
Large Storage Unit
12x20
Parking
240 Sq. Ft.
Car Storage
Parking
$100 - $120/mo
Large Storage Unit
10x30
Self Storage
300 Sq. Ft.
$295/mo
Large Storage Unit
10x25
Parking
250 Sq. Ft.
Parking
RV Storage
$110/mo
Large Storage Unit
10x20
Self Storage
200 Sq. Ft.
$220/mo

Amenities

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

What customers are saying

4.8/5 - 139 Reviews

Read some helpful reviews of Rocky State Storage at 23315 CO-257, shared by real renters with genuine experiences and honest opinions.

Mitch S. - 5 March 2026
I needed storage at the very last minute on a SUNDAY this place was the only one I found that could actually accommodate me so I would be able to move in the same day. I made the reservation online and called not even 5 minutes later and Ryan was able to email me all the paperwork and get me signed in on the online portal. He walked me through everything! Really was a live saver. We were in the middle of moving to a new house only to find out we had been scammed so we had no where to take our stuff. These guys really came in and saved the day!! Thank you so much! ... Read more
Savvy - 18 February 2026
Alex B. - 26 August 2025
I have had no issues since renting my unit. I have been at the same storage facilities for over 12 years. Since Rocky States has taken over the place has done nothing but get better. I can always count Travis and the crew to answer any questions within the same day that I have left a message. When I have ran into income problems they have always been happy to help with rearranging my payments or moving my payment date to corelate with my pay check. I wouldn't rent anywhere else. I highly recommend Rocky State Storage to all my friends and family. Keep up the Great Job!! ... Read more
Wendy T. - 23 August 2025
Victor f. - 23 August 2025
Great staff to work with. They communicate well with changes and prices are good for the area. Travis is a straight forward guy and is willing to help out customers with all their needs. Units and property is always clean and accessible. ... Read more
Yvette M. - 23 August 2025
Jackson A. - 29 March 2025
BreAnne Z. - 3 March 2025
Sarah W. - 2 November 2024
Absolutely the best! Was able to get exactly what I needed Trevor set everything up and was an excellent help! Unit is fantastic much better than other units I looked at! And very clean easy to access is perfect ! I recommend this location for everyone! Prices are very fair and so easy to pay! Love how secure the place is and that there’s room in between the buildings so your not bothering anyone else while your in your unit!! Best all the way around ... Read more
Polly S. - 10 May 2024
Had my belongings here for 9 years due to a divorce, and a lot of it's now trashed due to mice destroying a lot of it. The new owners are great to work with here if u had any problem or complaint they took care of it I highly recommend here. The units I had were 10 x 20 ... Read more
Kris H. - 14 November 2023

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Storage units in nearby cities

Here is how Milliken, CO, compares to other nearby cities. Overall, there are many other great self storage opportunities in the area. Johnstown, CO, is just 5 miles away and has 6 storage facilities. Monthly rents there start at $39. However, you could also drive to Evans, CO, which is 8 miles away and which also offers storage units for as little as $40. Platteville, CO is also just 8 miles distant. Listings there show 1 facility, with unit prices starting from $49. Looking a bit further away, storage facilities in Windsor, CO, and Berthoud, CO, have multiple types of units available, with monthly costs starting at $56 and $20, respectively.

Storage units in Johnstown, CO Within a 5-mile radius
6 Facilities
From $39/mo
Storage units in Evans, CO Within a 8-mile radius
4 Facilities
From $40/mo
Storage units in Platteville, CO Within a 8-mile radius
1 Facility
From $49/mo
Storage units in Windsor, CO Within a 10-mile radius
5 Facilities
From $56/mo
Storage units in Berthoud, CO Within a 14-mile radius
4 Facilities
From $20/mo
Storage units in Erie, CO Within a 23-mile radius
9 Facilities
From $35/mo
Storage units in Brighton, CO Within a 26-mile radius
8 Facilities
From $12/mo
Storage units in Lafayette, CO Within a 27-mile radius
2 Facilities
From $79/mo
Storage units in Louisville, CO Within a 31-mile radius
2 Facilities
From $67/mo
Storage units in Northglenn, CO Within a 32-mile radius
3 Facilities
From $55/mo
Storage units in Superior, CO Within a 33-mile radius
1 Facility
From $65/mo
Storage units in Federal Heights, CO Within a 35-mile radius
4 Facilities
From $15/mo
Storage units in Wellington, CO Within a 37-mile radius
2 Facilities
From $57/mo
Storage units in Wheat Ridge, CO Within a 42-mile radius
4 Facilities
From $40/mo
Storage units in Golden, CO Within a 45-mile radius
6 Facilities
From $40/mo
Storage units in Glendale, CO Within a 45-mile radius
1 Facility
From $56/mo
Storage units in Sheridan, CO Within a 50-mile radius
3 Facilities
From $60/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 Aurora, CO, where sizes and amenities may vary. Monthly rents for units in these cities are as low as $18, $10 and $22, respectively.

Storage units in Denver, CO
59 Facilities
From $18/mo
Storage units in Aurora, CO
39 Facilities
From $22/mo
Storage units in Fort Collins, CO
26 Facilities
From $30/mo
Storage units in Lakewood, CO
13 Facilities
From $22/mo
Storage units in Thornton, CO
11 Facilities
From $27/mo
Storage units in Arvada, CO
20 Facilities
From $32/mo
Storage units in Westminster, CO
5 Facilities
From $22/mo
Storage units in Pueblo, CO
33 Facilities
From $39/mo
Storage units in Greeley, CO
16 Facilities
From $36/mo
Storage units in Centennial, CO
6 Facilities
From $23/mo
Storage units in Boulder, CO
7 Facilities
From $24/mo
Storage units in Longmont, CO
15 Facilities
From $29/mo
Storage units in Castle Rock, CO
8 Facilities
From $36/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
8 Facilities
From $20/mo
Storage units in Littleton, CO
29 Facilities
From $25/mo
Browse storage units in all Colorado cities.

Frequently Asked Questions

Storage units available at Rocky State Storage - 23315 CO-257 include the following amenities: Drive-Up Access, Onsite Manager, Contactless Renting, Security Camera, Gate, Parking, 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 50 to 540 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 Rocky State Storage - 23315 CO-257 start from $100 and can go up to $295 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.