Today's Hours

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Rental & Support:6:00 AM - 10:00 PM
Access:6:00 AM - 10:00 PM
Office:Closed
VIEW ALL HOURS
24/7 access available when you upgrade
Nearby Locations
4.8

Warrenton Self Storage at 21121 NW Service Rd

Today's Hours

VIEW ALL
Rental & Support:6:00 AM - 10:00 PM
Access:6:00 AM - 10:00 PM
Office:Closed
VIEW ALL HOURS
24/7 access available when you upgrade
Select a Unit Below
Small
5' x 12'
  • Drive-Up Access
IN STORE
$42
WEB RATE
$22

ACT FAST: 1 LEFT!

Small
5' x 15'
  • Drive-Up Access
IN STORE
$47
WEB RATE
$23

LIMITED UNITS

Medium
10' x 10'
  • Drive-Up Access
IN STORE
$60
WEB RATE
$33

Flash Sale!*

Save up to 40% off on Extra Space near you!

Savings reflected in rates.

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Medium
10' x 15'
  • Drive-Up Access
IN STORE
$96
WEB RATE
$53

LIMITED UNITS

Medium
10' x 15'
  • 1st Floor Access
  • Climate Controlled
  • Indoor
IN STORE
$123
WEB RATE
$68

ACT FAST: 1 LEFT!

Large
10' x 20'
  • Outdoor Parking
  • RV Parking
IN STORE
$39
WEB RATE
$21

LIMITED UNITS

Large
10' x 20'
  • Drive-Up Access
  • Enclosed Vehicle Storage
IN STORE
$121
WEB RATE
$68

LIMITED UNITS

Large
10' x 20'
  • Drive-Up Access
  • Enclosed Vehicle Storage
IN STORE
$121
WEB RATE
$68

LIMITED UNITS

Large
10' x 25'
  • Drive-Up Access
  • Enclosed Vehicle Storage
IN STORE
$150
WEB RATE
$83

ACT FAST: 1 LEFT!

Large
10' x 25'
  • Drive-Up Access
  • Enclosed Vehicle Storage
IN STORE
$150
WEB RATE
$83

ACT FAST: 1 LEFT!

Large
10' x 40'
  • 1st Floor Access
  • Climate Controlled
  • Indoor
  • Electrical Outlet
IN STORE
$321
WEB RATE
$214

ACT FAST: 1 LEFT!

Large
10' x 45'
  • Drive-Up Access
  • Multi-Door Unit
IN STORE
$240
WEB RATE
$141

ACT FAST: 1 LEFT!

Large
15' x 50'
  • Drive-Up Access
IN STORE
$365
WEB RATE
$253

ACT FAST: 1 LEFT!

Units Available Nearby

6' x 7'

Available now at 2065 W Pearce Blvd, Wentzville, MO 63385 starting at $24/mo

Available Nearby

5' x 10'

Available now at 1209 NE Service Rd, Warrenton, MO 63383 starting at $16/mo

Available Nearby

8' x 12'

Available now at 2065 W Pearce Blvd, Wentzville, MO 63385 starting at $49/mo

Available Nearby

12' x 10'

Available now at 64 State Hwy AA, Wright City, MO 63390 starting at $43/mo

Available Nearby

Nearby Locations

Convenient Self Storage Near You in Warrenton

Located near the intersection of N Service Rd and State Hwy W, Extra Space Storage on NW Service Rd is easily accessible within 5 miles of Truesdale and within 1 mile of Pendleton. Locals will recognize our storage facility near Dragonfly Antiques.

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 $21 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

February 5, 2026

Tyler

Posted On Google

overall rating

Had a great experience!

Response from Extra Space Storage (2/5/2026)

We're elated to hear about your great experience at Extra Space Storage! Thank you, Tyler.

February 2, 2026

Angel

Posted On Google

overall rating

John Norman helped me out a lot and it didnt cost me nearly as much as I thought thank you John for also being friendly

Response from Extra Space Storage (2/2/2026)

Thank you for your review! We're thrilled John provided excellent, affordable service while being friendly throughout your experience.

January 23, 2026

Todd

Posted On Google

overall rating

We have used these storage units since 2018 and they have always been wonderful at customer service. Even when the company changed hands a few years ago everything transferred smoothly.

Response from Extra Space Storage (1/24/2026)

We are pleased to hear about your positive experience since 2018. Thank you for recognizing our consistent customer service through ownership changes.

January 23, 2026

Todd

Posted On Google

overall rating

We have used these storage units since 2018 and they have always been wonderful at customer service. Even when the company changed hands a few years ago everything transferred smoothly.

Response from Extra Space Storage (1/24/2026)

We are pleased to hear about your positive experience since 2018. Thank you for recognizing our consistent customer service through ownership changes.

December 31, 2025

Chelsea

Posted On Google

overall rating

Loved every bit of this storage facility. Had great deals, great people there to work with, easy transfers, move-ins, and outs!

Response from Extra Space Storage (1/7/2024)

Hello Chelsea, thank you for your positive rating! Please stop by our office or call us at (636) 456-7599 if you have any questions.