Back to top arrow

Mini U Storage - Thornton

10350 Washington St, Denver, CO 80229

Mini U Storage - Thornton in Washington St

Free Truck rental period with each new unit rental (30 value), first 50 miles FREE (Insurance, deposit and fuel are renters responsibility) Get all the details from the managers.
Sparefoot rates are for new rentals only
All Drive Up access units.
Customer service is our #1 PRIORITY
Free use of shelving keep your stuff neat and organized
Mini U Storage has friendly and knowledgeable staff that can help you with all of your moving and storage needs. We even sell moving and packing supplies on-site for additional convenience.
Advertised unit sizes are approximate sizes. Please inspect the unit to be sure the actual size meets your needs.
The special pricing and Move-In Discounts are for new customers only.
*Proof of property insurance is required at the time of move-in. For your convenience, we offer property insurance on-site.
**Due to high demand we can only guarantee availability for a few days, though we will do everything possible to honor all reservations. Please reserve your unit within 7 days of your storage need. Thanks

Read moreRead less

Type:

Select Size:

Select Amenity:

Small
5' x 10' storage unit
5' x 10' Unit
  • Drive Up Access
  • Outside Unit
  • ACT FAST: LIMITED UNITS.
Store Rate
$79.00
Web Rate:
$39.00
SelectClose
No Credit Card Required
Small
5' x 10' storage unit
5' x 10' Unit
  • Drive Up Access
  • Outside Unit
  • Enclosed
  • ACT FAST: LIMITED UNITS.
Store Rate
$79.00
Web Rate:
$39.00
SelectClose
No Credit Card Required
Small
5' x 5' storage unit
5' x 5' Unit
  • Drive Up Access
  • Outside Unit
  • FIRST MONTH HALF OFF
Web Rate:
$59.00
SelectClose
No Credit Card Required
Medium
10' x 15' storage unit
10' x 15' Unit
  • Drive Up Access
  • Outside Unit
  • ACT FAST: LIMITED UNITS.
Store Rate
$189.00
Web Rate:
$95.00
SelectClose
No Credit Card Required
Medium
10' x 15' storage unit
10' x 15' Unit
  • Drive Up Access
  • Outside Unit
  • Enclosed
  • ACT FAST: LIMITED UNITS.
Store Rate
$189.00
Web Rate:
$95.00
SelectClose
No Credit Card Required
Small
10' x 10' storage unit
10' x 10' Unit
  • Drive Up Access
  • Outside Unit
  • FIRST MONTH HALF OFF
Web Rate:
$159.00
SelectClose
No Credit Card Required
Small
10' x 10' storage unit
10' x 10' Unit
  • Drive Up Access
  • Outside Unit
  • Enclosed
  • FIRST MONTH HALF OFF
Web Rate:
$159.00
SelectClose
No Credit Card Required
Medium
10' x 20' storage unit
10' x 20' Unit
  • Drive Up Access
  • Outside Unit
  • FIRST MONTH HALF OFF
Web Rate:
$255.00
SelectClose
No Credit Card Required
Medium
10' x 20' storage unit
10' x 20' Unit
  • Drive Up Access
  • Outside Unit
  • Enclosed
  • FIRST MONTH HALF OFF
Web Rate:
$255.00
SelectClose
No Credit Card Required
Mini U Storage - Thornton - Limited Availability
Reserve for FREE! (855) 596-7884
Call now, let us help you find a unit and save!

Facility Hours

Office Hours

  • Mon:09:00 AM - 06:00 PM
  • Tue:09:00 AM - 06:00 PM
  • Wed:09:00 AM - 06:00 PM
  • Thu:09:00 AM - 06:00 PM
  • Fri:09:00 AM - 06:00 PM
  • Sat:08:00 AM - 06:00 PM
  • Sun:09:00 AM - 03:00 PM

Access Hours

  • Mon:06:00 AM - 09:00 PM
  • Tue:06:00 AM - 09:00 PM
  • Wed:06:00 AM - 09:00 PM
  • Thu:06:00 AM - 09:00 PM
  • Fri:06:00 AM - 09:00 PM
  • Sat:06:00 AM - 09:00 PM
  • Sun:06:00 AM - 09:00 PM

Facility Amenities

  • Cash Accepted
  • Checks Accepted
  • Credit Cards Accepted
  • Military / Student Discount
  • Moving Supplies
  • On-Site Manager
  • Title Must Match Renter
  • Vehicle Required Title
  • Vehicle Requires Insurance
  • Vehicle Requires Registration
  • Free Moving Truck!
    *Free use of move-in truck with rental. Some restrictions apply. For more information about use of a free move-in truck, contact the storage facility at (855) 596-7884.
  • Truck Rental
  • Cameras
  • Keypad Gate Access
  • Fenced and Lighted
  • Handcarts and Dollies
  • Online Bill Pay
  • Automatic Payments
  • Online Payments

Facility Map

Frequently Asked Questions

Does Mini U Storage - Thornton at 10350 Washington St has first floor or ground floor storage?

A ground floor storage unit at 10350 Washington St makes it easier to access and does not require the use of an elevator. However, the convenience of a first floor storage unit usually comes with a cost, and are typically more expensive.

What is elevator access or an upper floor storage unit?

An elevator access storage unit makes it a little more difficult to load and unload your storage unit and requires the use of an elevator or stair case. However, a upper floor storage unit typically will be less expensive.

What is a storage locker?

A storage locker has a reduced ceiling height between 4 to 6 feet. These storage units are good for storing small items; like suit cases, small household items, school and dormitory items, office supplies or holiday decorations. Storage lockers are usually less expensive than other units and could be the ground floor or accessed with a rolling ladder.

What is an onsite storage manager?

The manager of the storage facility actually lives in an apartment that is typically attached to the storage facility. The storage unit tenants get a feeling of security, knowing that a manager is nearby to address emergency matters or other matters that could occur after hours.

Does Mini U Storage - Thornton, 10350 Washington St offer extended hours?

Yes, Mini U Storage - Thornton at 10350 Washington St offers extended hours. Usually storage facility office hours are 9:00 am to 6:00 pm. Extended hours could be from 6:00 am to 10:00 pm or even 24 hours a day, giving storage tenants more access to their storage unit.

What is keypad access?

A keypad entrance storage facility at 10350 Washington St will control who enters and exits the facility. The tenant is provided a personal gate code and prevents non renters from entering the gated property.

What is the difference between a roll up door and a swing door?

A roll up door provides a larger opening and rolls into the ceiling of the storage unit. Where as a swing door, opens to the outside and swing door is more like a large residential house door. Larger units and newer construction will offer more roll up doors.

What items should you NOT put in a storage unit at 10350 Washington St?

Most, if not all storage facilities prohibit the storing of food, live animals, explosive materials, weapons, ammunition, stolen merchandise, motorized vehicles that are not registered or insured.

Do self storage facilities in Denver sell boxes and packing supplies?

Most storage facilities in Denver offer locks, different box sizes, packing tape, bubble wrap, covers for furniture and numerous other packing supplies.

What are the most common unit sizes at 10350 Washington St

The most common unit sizes at Mini U Storage - Thornton in 10350 Washington St are 5x5 and 10x10. Most facilities also have other unit sizes available such as 5x`0, 10x20 and even 10x30 unit sizes.

Are the storage units at 10350 Washington St secure?

All storage units at 10350 Washington St are secure and protected at all times. Mini U Storage - Thornton in Denver is backed by security features such as video surveillance, security access to your unit only and electronic gate access.

Facility Reviews

Paula Yamashita

July 2nd, 2025- From Sf

The front desk service is above and beyond. Debbie was very nice and helpful. She could gather the best deal for me and she was no pushy or grumpy as I have seen in other places. I rented a 5x10ft unit and it was average clean, good access, door was working smoothly and I feel safe when I am there organizing my boxes. Thank you for the good customer service.

John

May 18th, 2025- From Sf

Very friendly couple that manage the storage thank you

Christine Valdez

May 17th, 2025- From Sf

Took the time to show us the unit before we did any paperwork. The management couple took the time to go over everything with us all the paperwork, insurance, renting the truck , I give them 💯 on their customer service and just over all people skills !!! They made the experience easy and gave us tons of information!!!

Bianca Martinez

May 24th, 2024- From Sf

No complaints :) so far so good

Keith Dolberg

May 17th, 2024- From Sf

Staff was curtious. The unit was clean and move in was no problem.

Keith

May 15th, 2024- From Sf

Facility has a good price, is clean, and has friendly staff.

Liliana

May 13th, 2024- From Sf

Excellent customer service, price as advertise

Josh

May 3rd, 2024- From Sf

Staff are wonderful, answered the phone quickly and are glad to answer the questions I had. They are very friendly and made the check in process very smooth.

Gary Hobbs

September 26th, 2023- From Sf

The manager was very nice. The price was very good and it is in a convenient location to my home

Phillip Hernandez

August 18th, 2023- From Sf

Love the prices there and the staff is very friendly