4.8
    Call our Storage Experts
    Storage Experts Available
    Mon-Fri: 05:00am-12:00am
    Sat: 05:00am-12:00am
    Sun: 05:00am-12:00am
  • New Customer: 
  • Current Customer: (636) 681-3040

Today's Hours

Rental & Support:6:00 AM - 10:00 PM
Access:6:00 AM - 10:00 PM
Office:9:30 AM - 6:00 PM
24/7 Access
With upgrade
Nearby Locations
4.8

Extra Space Storage at 21121 NW Service Rd

Call our Storage Experts
Storage Experts Available
Mon-Fri: 05:00am-12:00am
Sat: 05:00am-12:00am
Sun: 05:00am-12:00am

Today's Hours

Rental & Support:6:00 AM - 10:00 PM
Access:6:00 AM - 10:00 PM
Office:9:30 AM - 6:00 PM
24/7 Access
With upgrade
Select a Unit Below
Small
5' x 10'
  • 1st Floor Access
  • Climate Controlled
  • Indoor
IN STORE
$105
WEB RATE
$59

ACT FAST: 1 LEFT!

Small
5' x 15'
  • Drive-Up Access
IN STORE
$84
WEB RATE
$49

ACT FAST: 1 LEFT!

Medium
10' x 10'
  • Drive-Up Access
IN STORE
$111
WEB RATE
$62

ACT FAST: 1 LEFT!

Medium
10' x 15'
  • Drive-Up Access
IN STORE
$144
WEB RATE
$80

ACT FAST: 1 LEFT!

Medium
10' x 15'
  • 1st Floor Access
  • Climate Controlled
  • Indoor
IN STORE
$186
WEB RATE
$105

LIMITED UNITS

Medium
10' x 18'
  • Drive-Up Access
IN STORE
$160
WEB RATE
$87

ACT FAST: 1 LEFT!

Large
10' x 20'
  • Drive-Up Access
  • Enclosed Vehicle Storage
IN STORE
$183
WEB RATE
$104
Large
10' x 20'
  • Drive-Up Access
  • Enclosed Vehicle Storage
IN STORE
$183
WEB RATE
$104
Large
10' x 25'
  • Drive-Up Access
  • Enclosed Vehicle Storage
IN STORE
$234
WEB RATE
$135

LIMITED UNITS

Large
10' x 25'
  • Drive-Up Access
  • Enclosed Vehicle Storage
IN STORE
$234
WEB RATE
$135

LIMITED UNITS

Large
10' x 35'
  • Drive-Up Access
  • Multi-Door Unit
IN STORE
$304
WEB RATE
$199

ACT FAST: 1 LEFT!

Units Available Nearby

6' x 7'

Available now at 2065 W Pearce Blvd, Wentzville, MO 63385 starting at $25/mo

Available Nearby

8' x 12'

Available now at 2065 W Pearce Blvd, Wentzville, MO 63385 starting at $60/mo

Available Nearby

5' x 20'

Available now at 1209 NE Service Rd, Warrenton, MO 63383 starting at $35/mo

Available Nearby

20' x 10'

Available now at 2065 W Pearce Blvd, Wentzville, MO 63385 starting at $171/mo

Available Nearby

10' x 30'

Available now at 1209 NE Service Rd, Warrenton, MO 63383 starting at $149/mo

Available Nearby

Nearby Locations

About Our Warrenton, MO Location

Our 21121 NW Service Rd storage facility in Warrenton sits just off I-70, offering convenient access for residents who are managing local moves or downsizing. Find a wide range of storage unit sizes and helpful amenities like climate control at our Warrenton storage facility.

  • Located in Warrenton (63383), serving local homeowners looking for reliable, long-term storage solutions

  • Convenient for residents near the Truesdale community, with easy access for those managing household transitions or storing seasonal items close to home

  • Located just 0.05 miles from I-70, with quick access via Exit 193 (0.84 miles) and Exit 191 (1.42 miles), making storage runs easy for customers in Warrenton

  • Our NW Service Rd is a convenient and affordable option for residents living at Warrenton Apartments, Warrenton Villa, and Ashgrove Place Apartments

Available Storage Unit Sizes

We have a variety of options to accommodate all your storage needs at our storage facility in Warrenton. Choose from storage units ranging in size from 25 square feet to 300+ square feet, with features like drive-up access.

Drive-Up Storage Units

Looking for a convenient storage process? Check out our drive-up storage units on 21121 NW Service Rd. With this option, you can pull your vehicle directly up to your storage unit for easy loading and unloading!

Climate-Controlled Storage

Need to store temperature-sensitive items? Climate control can help protect your belongings from extreme temperature changes. These units typically maintain a storage environment between 55 and 80 degrees throughout the year.

Exceptional Security Features

Our NW Service Rd storage facility is equipped with advanced security features like video surveillance, electronic gate access, and an on-site resident manager. We care about the valued belongings of our customers.

Other Amenities & Services

  • Sturdy moving carts available for heavy, bulky items

  • Accommodates trucks larger than 20 feet

  • Wide-drive aisles to accommodate large moving trucks

  • Gate access on Sundays

  • Convenient freeway access

  • On-site office

  • Military discounts

Cheap Warrenton Self Storage

With cheap storage unit prices as low as $49 in Warrenton plus great move-in deals like first month free or first month half-off at select facilities, Extra Space Storage is the affordable self storage partner near you. Reserve high-quality self storage at 21121 NW Service Rd today!

The Self Storage Partner You Can Trust

Rent an Extra Space Storage unit in Warrenton for dependable, high-quality self storage. Our team of storage professionals goes above and beyond to assist you with all your storage needs and to keep our facility clean, secure, well-maintained, and well-lit. Contact us today to reserve a storage unit in Warrenton!

Company

Employees: 1-10

Payment Options: MasterCard / VISA / American Express / Discover / Check / Cash / Invoice

Established Date: 1977

Site Number: 7835

Phone Number:(636) 456-7599

Hours

Rental & Support

  • Monday: 6:00 AM - 10:00 PM
  • Tuesday: 6:00 AM - 10:00 PM
  • Wednesday: 6:00 AM - 10:00 PM
  • Thursday: 6:00 AM - 10:00 PM
  • Friday: 6:00 AM - 10:00 PM
  • Saturday: 6:00 AM - 10:00 PM
  • Sunday: 6:00 AM - 10:00 PM

Access

  • Monday:6:00 AM - 10:00 PM
  • Tuesday:6:00 AM - 10:00 PM
  • Wednesday:6:00 AM - 10:00 PM
  • Thursday:6:00 AM - 10:00 PM
  • Friday:6:00 AM - 10:00 PM
  • Saturday:6:00 AM - 10:00 PM
  • Sunday:6:00 AM - 10:00 PM

Office

  • Monday:9:30 AM - 6:00 PM
  • Tuesday:9:30 AM - 6:00 PM
  • Wednesday:9:30 AM - 6:00 PM
  • Thursday:9:30 AM - 6:00 PM
  • Friday:9:30 AM - 6:00 PM
  • Saturday:9:00 AM - 5:30 PM
  • Sunday:Closed

Directions

Intersections/Landmarks

N Service Rd and State Hwy W

Directions from the North

Drive south on State Hwy 47 S. Turn right onto N Service Rd E. Our facility will be on your right after Dragonfly Antiques.

Directions from the South

Drive north on State Hwy 47 N. Turn left onto N Service Rd E. Our facility will be on your right after Dragonfly Antiques.

Directions from the East

Drive west on I-70 W. Take Exit 193. Turn right onto MO-47 N. Turn left onto N Service Rd E. Our facility will be on your right after Dragonfly Antiques.

Directions from the West

Drive east on I-70 E. Take Exit 191. At the traffic circle, turn right onto W Warrenton Blvd. At the traffic circle, continue north on W Warrenton Blvd. Turn right onto N Service Rd W. Our facility will be on your left before Dragonfly Antiques.

Frequently Asked Questions at 21121 NW Service Rd

Can I use a storage unit as a gym in Warrenton, MO?

Unfortunately, Extra Space Storage at 21121 NW Service Rd does not allow customers to use a storage unit as a gym. While you can store workout equipment in a storage unit, working out in one creates a liability issue.

Can I work out of storage units at 21121 NW Service Rd?

You may not be able to work directly out of a storage unit at our 21121 NW Service Rd storage facility, but Extra Space Storage does allow business storage customers to utilize their storage units for storing inventory, equipment, materials, documents, and other business items. Contact us today to learn more!

Do I have to sign a lease to get a storage unit in Warrenton, MO?

In order to rent a storage unit from Extra Space Storage in Warrenton, you are required to sign a lease at one of our facilities. However, our leases are month-to-month, allowing customers to rent storage for as long or as little as they need it with no long-term commitments required!

Do I need climate controlled storage in Warrenton, MO?

If you’re concerned about sensitive belongings getting damaged in self storage, we recommend renting a climate-controlled storage unit at our 21121 NW Service Rd storage facility. These units typically maintain temperatures between 55 and 80 degrees year-round to help protect items from extreme temperature changes.

Do I need insurance to rent a storage unit in Warrenton?

When renting a storage unit in Warrenton from Extra Space Storage, customers are required to have proof of insurance. For most customers, your storage unit is often covered by your homeowners insurance or renters insurance, but you can purchase self storage insurance from Extra Space Storage. The benefit of purchasing self storage insurance through Extra Space Storage in Warrenton is that our options may provide more coverage for your items and possibly help you avoid increases in your premiums over time.

*Promotional Terms & Conditions and Size Disclaimer

Reviews

4.8 stars

197 Reviews
5 stars180
4 stars8
3 stars1
2 stars3
1 star5
Showing 3 of 197

Brightheart

June 25, 2026

Wonderful experience Chris was very knowledgeable and helpful. Staff was friendly and place was clean.

We are thrilled to hear this, Brightheart! Chris's helpfulness and our clean, friendly space are exactly what we aim for.

Extra Space Storage (6/25/2026)

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Linda

June 24, 2026

John was very helpful. There were no units available at his location but he was so kind to get me all set up at the Wright City location.

Thank you, Linda! We're glad John helped you get set up at the Wright City location despite no available units at his site.

Extra Space Storage (6/24/2026)

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Vicki

June 16, 2026

Easy check in and notice to move. Reasonable rates amd super nice Manager John. Thanks

Thanks, Vicki! Easy check-in and reasonable rates matter to us. So glad Manager John made your experience great!

Extra Space Storage (6/16/2026)

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*savings reflected in rates.