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Extra Space Storage20671 Valley BlvdWalnut, CA 91789

4.9

New Customer:
Current Customer: (909) 512-2437

24/7 Access

With upgrade

Nearby Locations

1 / 7

4.9

Walnut Self Storage at 20671 Valley Blvd

20671 Valley Blvd, Walnut, CA 91789

Current Customer: (909) 512-2437
New Customer: (909) 468-9011

24/7 Access

With upgrade

‌

Small

5' x 10'

Drive-Up Access

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IN STORE

$135

WEB RATE

$92

5x10 storage units are a great solution for a wide range of short-term and long-term self storage needs, including moving to a new home, storing college dorm room items, using storage while deployed, and decluttering a house or apartment. These units are comparable in size to a walk-in closet. 5x10 units can typically hold the contents of a small bedroom or dorm room, such as a queen-size mattress set, dresser, TV, and several boxes.

Small

5' x 15'

Drive-Up Access

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IN STORE

$184

WEB RATE

$126

Medium

5' x 20'

Drive-Up Access

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IN STORE

$239

WEB RATE

$173

Medium

10' x 10'

Drive-Up Access

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IN STORE

$239

WEB RATE

$173

Medium

10' x 15'

Drive-Up Access

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IN STORE

$325

WEB RATE

$228

10x15 storage units are available as enclosed self storage units or as outdoor vehicle parking spaces. If you rent a 10x15 enclosed unit, you can store the contents of a small apartment or house, including furniture, appliances, and several moving boxes. If you rent a 10x15 outdoor parking space, you can store a motorcycle or small watercraft—though you’ll need to check with the facility on specific vehicle storage guidelines.

Large

10' x 20'

Drive-Up Access
Enclosed Vehicle Storage

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IN STORE

$363

WEB RATE

$252

10x20 storage units are one of the largest unit sizes offered. Depending on the facility, these storage spaces may be available as enclosed units or as outdoor vehicle parking. Enclosed 10x20 units can hold the contents of a multi-bedroom home, including furniture, moving boxes, and appliances. Outdoor 10x20 parking spaces can typically accommodate RVs, boats, cars, and motorcycles—though you’ll need to check with the facility on specific vehicle storage guidelines.

Large

10' x 20'

Drive-Up Access
Enclosed Vehicle Storage

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IN STORE

$363

WEB RATE

$252

Large

10' x 25'

Outdoor Parking
RV Parking

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IN STORE

$294

WEB RATE

$189

10x25 storage units are among the largest unit sizes offered. Depending on the facility, these units may be available as enclosed spaces or as outdoor vehicle parking. Enclosed 10x25 units are ideal for storing the contents of a multi-bedroom home, such as appliances, furniture, and moving boxes. Outdoor 10x25 parking spots can typically hold RVs, boats, cars, and motorcycles—though you’ll need to check with the facility on specific vehicle storage guidelines.

Large

10' x 25'

Drive-Up Access
Enclosed Vehicle Storage

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IN STORE

$430

WEB RATE

$312

Large

10' x 25'

Drive-Up Access
Enclosed Vehicle Storage

Size Help

Learn More

IN STORE

$430

WEB RATE

$312

Units Available Nearby

4' x 4'

Available now at 955 Fairway Dr, Walnut, CA 91789 starting at $33/mo

Available Nearby

5' x 5'

Available now at 19937 E Walnut Dr S, Walnut, CA 91789 starting at $43/mo

Available Nearby

10' x 9'

Available now at 955 Fairway Dr, Walnut, CA 91789 starting at $97/mo

Available Nearby

12' x 20'

Available now at 955 Fairway Dr, Walnut, CA 91789 starting at $389/mo

Available Nearby

Nearby Locations

Other Storage Available

Drive-Up Access

1st Floor Access

Convenient Self Storage Near You in Walnut

Located near the intersection of Valley Blvd and S Lemon Ave, Extra Space Storage serves residents of Walnut, South San Jose Hills, Diamond Bar, and other nearby areas. Locals will recognize our facility near Enterprise Rent-a-Car.

Available Storage Unit Sizes

Our storage facility in Walnut has storage units ranging in size from 5x5 to 20x20. Units also come with features like indoor access, first-floor access, and drive-up access for our customers' convenience.

Drive-Up Storage Units

When you rent drive-up storage in Walnut, you can pull your vehicle right up to your storage unit to easily move belongings in and out. We especially recommend this feature if you have heavy, bulky items to store or if you need to visit your unit frequently.

Indoor & Outdoor Vehicle Storage

Need secure vehicle storage in Walnut? Extra Space Storage offers large outdoor parking spaces that can accommodate oversized vehicles like boats, RVs, and trailers. For smaller vehicles like cars and motorcycles, we also offer enclosed drive-up units that can provide an extra layer of protection.

Exceptional Security Features

Extra Space Storage cares about your stored items. That's why our 20671 Valley Blvd storage facility utilizes high-quality security features like an on-site resident manager, video surveillance, and electronic gate access.

Other Amenities & Services

Extended access hours are standard
Sturdy moving carts for heavy, bulky items
Wide-drive aisles to accommodate large moving trucks
Deliveries accepted
Se Habla Espanol
On-site office
Military discounts

Cheap Self Storage in Walnut

With cheap storage unit prices as low as $92 in Walnut, 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 20671 Valley Blvd today!

The Self Storage Partner You Can Trust

We take pride in keeping our facility clean, secure, and well-maintained, and our friendly, professional team of storage experts is dedicated to helping you get the best self storage solution for your needs. Contact us today to reserve a storage unit in Walnut!

Company

Employees: 1-10

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

Established Date: 1977

Site Number: 1096

Phone Number:(909) 468-9011

What to Expect from Extra Space Storage on Valley Blvd

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

Valley Blvd and S Lemon Ave

Directions from the North

Drive south on CA-57 S. Take Exit 24B. Turn right onto Grand Ave. Turn left onto Valley Blvd. Our facility will be on your right after Pierre Rd.

Directions from the South

Drive north on CA-57 N. Take Exit 24B. Turn left onto Grand Ave. Turn left onto Valley Blvd. Our facility will be on your right after Pierre Rd.

Directions from the East

Drive west on CA-60 W. Take the exit for Grand Ave. Turn right onto Grand Ave. Turn left onto Valley Blvd. Our facility will be on your right after Pierre Rd.

Directions from the West

Drive east on CA-60 E. Take the exit for Lemon Ave. Turn left onto Lemon Ave. Turn right onto Valley Blvd. Our facility will be on your left after Paseo Tesoro.

Frequently Asked Questions at 20671 Valley Blvd

Where can I rent an indoor boat storage unit in Walnut?

You can rent indoor boat storage in Walnut at Extra Space Storage near South San Jose Hills and Diamond Bar. We have indoor drive-up units available in sizes from 10x10 to 20x20 for your boat storage needs.

Where can I store my motorcycle in Walnut?

If you are looking to store your motorcycle in Walnut, Extra Space Storage has 10x10 to 20x20 indoor drive-up vehicle storage units to protect your motorcycle. Our facility also has 8x10 to 10x30 outdoor parking spaces.

Is there RV storage in Walnut?

Yes! You can find RV storage in Walnut at Extra Space Storage on Valley Blvd near South San Jose Hills and Diamond Bar. We offer large enclosed drive-up units from 10x20 to 10x30 and outdoor RV parking spaces from 8x20 to 10x25. Contact us today to reserve your spot!

Where are storage facilities located in Walnut?

Easily find the self storage solutions you need at Extra Space Storage! Our facility located at 20671 Valley Blvd serves residents of Walnut, South San Jose Hills, and Diamond Bar with units sized between 5x5 and 20x20.

Where can I rent a small self storage unit in Walnut?

If you need small storage units, be sure to check out Extra Space Storage on Valley Blvd in Walnut. We provide a wide selection of small storage units ranging from 5x5 to 5x15 with features like indoor access, drive-up access, and first-floor access!

*Promotional Terms & Conditions and Size Disclaimer

Promotional Terms

Limit, one promotion per customer. Promotions cannot be used in conjunction with any other offer except for web rate pricing. Promotions are subject to change and availability. Promotions may not be available in-store. Promotions do not apply to taxes, insurance, administrative fees, or other fees. Promotions must be applied at time of checkout and cannot be applied to an existing rental, once rented. See Rental Agreement for additional details.

Half-Off and Free Rent Promotions

Only available at participating locations for selected units. “First Month Free,” “First Month Half Off,” “Second Month Free,” “Second Month Half Off” and other rent promotions do not apply to taxes, insurance, administrative fees, or other fees and may not be combined.

$50 Moving Truck Credit in New York City

Only available at participating locations for selected units. Extra Space will provide a $50.00 credit for customers that use a moving truck or moving service to move into the Extra Space facility. To redeem, customers must provide a valid receipt from the moving service to the store manager. Please see the store manager for additional details.

Size Disclaimer

Unit sizes advertised for rent are approximate only and units at the self-storage facility may differ slightly in shape and/or size. Customers should inspect the actual unit to be rented before signing a rental agreement and should base the decision to rent on the inspection of the unit and not on the advertised unit size. Rental amounts for a particular unit are not based on square footage measurements.

Reviews

4.9 stars

465 Reviews

5 stars444

4 stars11

3 stars3

2 stars1

1 star6

Showing 3 of 465

Alex

July 9, 2026

What a wonderful experience! Erica and Cameron were fabulous in everything they did for us. Erica went the extra Mile when she was showing us the units on the property. We are very happy we decided to choose extra storage space.

We deeply respect your feedback, Alex! Erica and Cameron truly went the extra mile for you. We're glad you chose Extra Space Storage.

Extra Space Storage (7/9/2026)

Google Review

sergio

July 7, 2026

Erica the manager was very helpful

Thank you, Sergio Julian! We're glad Erica made a great impression.

Extra Space Storage (7/7/2026)

Google Review

Gus

July 3, 2026

Good clean storage units.

Thank you for the excellent rating, Gus! We are so glad we could provide you with a 5-star experience.

Extra Space Storage (9/13/2024)

Google Review

Walnut Self Storage at 20671 Valley Blvd

Select a Unit Below

Units Available Nearby

Other Storage Available

Convenient Self Storage Near You in Walnut

Available Storage Unit Sizes

Drive-Up Storage Units

Indoor & Outdoor Vehicle Storage

Exceptional Security Features

Other Amenities & Services

Cheap Self Storage in Walnut

The Self Storage Partner You Can Trust

What to Expect from Extra Space Storage on Valley Blvd

Hours

Rental & Support

Access

Office

Directions

Frequently Asked Questions at 20671 Valley Blvd

Where can I rent an indoor boat storage unit in Walnut?

Where can I store my motorcycle in Walnut?

Is there RV storage in Walnut?

Where are storage facilities located in Walnut?

Where can I rent a small self storage unit in Walnut?

Reviews

4.9 stars

Alex

sergio

Gus

Company Information

More Information

Help

Self Storage Locations

Recently Searched Locations

Today's Hours

Walnut Self Storage at 20671 Valley Blvd

Today's Hours

Select a Unit Below

Units Available Nearby

Other Storage Available

Convenient Self Storage Near You in Walnut

Available Storage Unit Sizes

Drive-Up Storage Units

Indoor & Outdoor Vehicle Storage

Exceptional Security Features

Other Amenities & Services

Cheap Self Storage in Walnut

The Self Storage Partner You Can Trust

What to Expect from Extra Space Storage on Valley Blvd

Hours

Rental & Support

Access

Office

Directions

Frequently Asked Questions at 20671 Valley Blvd

Where can I rent an indoor boat storage unit in Walnut?

Where can I store my motorcycle in Walnut?

Is there RV storage in Walnut?

Where are storage facilities located in Walnut?

Where can I rent a small self storage unit in Walnut?

Reviews

4.9 stars

Alex

sergio

Gus

Company Information

More Information

Help

Self Storage Locations

Recently Searched Locations