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Extra Space Storage831 S Dupont HwyNew Castle, DE 19720

New Customer:
Current Customer: (302) 985-9030

Nearby Locations

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4.8

Extra Space Storage at 831 S Dupont Hwy

831 S Dupont Hwy, New Castle, DE 19720

Current Customer: (302) 985-9030
New Customer:

Select a Unit Below

‌

Small

5' x 5'

1st Floor Access
Climate Controlled
Indoor

Size Help

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IN STORE

$76

WEB RATE

$51

Small

5' x 10'

1st Floor Access
Climate Controlled
Indoor

Size Help

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IN STORE

$127

WEB RATE

$85

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 11'

Climate Controlled
Elevator Access
Indoor

Size Help

IN STORE

$89

WEB RATE

$63

Small

5' x 11'

1st Floor Access
Climate Controlled
Indoor

Size Help

IN STORE

$139

WEB RATE

$93

Small

10' x 7'

Climate Controlled
Elevator Access
Indoor

Size Help

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IN STORE

$110

WEB RATE

$77

Small

10' x 7'

1st Floor Access
Climate Controlled
Indoor

Size Help

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IN STORE

$166

WEB RATE

$111

Small

10' x 8'

Climate Controlled
Elevator Access
Indoor

Size Help

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IN STORE

$122

WEB RATE

$85

Medium

10' x 10'

Climate Controlled
Elevator Access
Indoor

Size Help

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IN STORE

$145

WEB RATE

$95

Medium

10' x 10'

1st Floor Access
Climate Controlled
Indoor

Size Help

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IN STORE

$197

WEB RATE

$112

Medium

10' x 15'

Climate Controlled
Elevator Access
Indoor

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IN STORE

$199

WEB RATE

$131

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.

Medium

10' x 15'

1st Floor Access
Climate Controlled
Indoor

Size Help

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IN STORE

$242

WEB RATE

$151

Large

10' x 20'

Climate Controlled
Elevator Access
Indoor

Size Help

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IN STORE

$255

WEB RATE

$165

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'

1st Floor Access
Climate Controlled
Indoor

Size Help

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IN STORE

$324

WEB RATE

$244

Large

10' x 30'

1st Floor Access
Climate Controlled
Indoor

Size Help

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IN STORE

$398

WEB RATE

$300

10x30 storage units are among the largest unit sizes our storage locations, and they may be available as either enclosed units or as outdoor vehicle parking spaces. With 10x30 enclosed units, you can store the contents of a large multi-bedroom home. With 10x30 outdoor parking spots, you can store a vehicle, such as a motorcycle, car, boat, camper, or RV—though you’ll need to check with the facility on specific vehicle storage guidelines.

Units Available Nearby

5' x 3'

Available now at 144 S Dupont Hwy, New Castle, DE 19720 starting at $19/mo

Available Nearby

9' x 10'

Available now at 227 Chapman Rd, Newark, DE 19702 starting at $95/mo

Available Nearby

10' x 18'

Available now at 121 Ruthar Dr, Newark, DE 19711 starting at $68/mo

Available Nearby

10' x 29'

Available now at 144 S Dupont Hwy, New Castle, DE 19720 starting at $296/mo

Available Nearby

Nearby Locations

Convenient Self Storage Near You in New Castle

Located near the intersection of S Dupont Hwy and Hamburg Rd, Extra Space Storage serves residents of New Castle, Bear, Red Lion, Wrangle Hill, State Road, and other neighboring areas. Locals will recognize our storage facility near the Amazon ILG1 fulfillment warehouse campus. Find your ideal New Castle self storage solution today!

Available Storage Unit Sizes

Our storage facility on S Dupont Hwy has a variety of storage unit sizes available, from 5x5 to 10x30. Plus, Extra Space Storage's units in New Castle offer unit features like elevator access, indoor access, and first-floor access. Not sure which unit size works best for your storage needs? Our friendly staff of storage experts can help find the right storage unit size for you!

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

With excellent security features like video surveillance installed at Extra Space Storage at 831 S Dupont Hwy, you can trust your precious belongings are in safe hands.

Other Amenities & Services

Extended access hours are standard with 24/7 access available - ask site manager for details
Cylinder locks required for units
Sturdy moving carts available for heavy, bulky items
Convenient loading dock
Elevators for easy access to upper levels
Accommodates trucks larger than 20 feet
Wide-drive aisles to accommodate large moving trucks
Convenient freeway access
Deliveries accepted
On-site office

Cheap Storage Units in New Castle

Looking for affordable self storage in New Castle? Extra Space Storage has the solutions you need. We offer cheap self storage near you for as low as $51 per month, with move-in deals like first month free and first month half-off at select facilities. Contact our expert team at 831 S Dupont Hwy for current move-in deals and rent your unit today!

The Self Storage Partner You Can Trust

Extra Space Storage provides exceptional customer service and reliable storage options at our well-maintained storage facility on S Dupont Hwy. We're here to help you with your self storage needs and answer any questions you may have. Contact us today to reserve a storage unit in New Castle!

Company

Employees: 1-10

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

Established Date: 1977

Site Number: 7704

Phone Number:(302) 985-9020

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

S Dupont Hwy and Hamburg Rd

Directions from the North

Drive south on DE-1 S. Take Exit 156. Keep left to merge onto S Dupont Hwy. Our facility will be on your left.

Directions from the South

Drive north on DE-1 N. Keep left to continue northeast onto US-13 N. Our facility will be on your left.

Directions from the East

Drive southwest on DE-9 S. Turn right onto Hamburg Rd. Turn right onto US-13 N. Our facility will be on your left.

Directions from the West

Drive northeast on US-40 E. Keep right to merge onto DE-1 S and continue south. Take Exit 156. Merge onto S Dupont Hwy. Our facility will be on your left.

Frequently Asked Questions at 831 S Dupont Hwy

Are storage units climate-controlled in New Castle, DE?

Yes! Many of the Extra Space Storage facilities in New Castle offer climate-controlled storage options. These units are perfect for storing sensitive items, as they typically maintain temperatures between 55 and 80 degrees throughout the year.

What items need climate controlled storage in New Castle, DE?

If you plan to store delicate belongings like wooden or leather furniture, musical instruments, artwork and antiques, books and photos, important documents, family heirlooms, or electronics at our 831 S Dupont Hwy storage facility, we highly recommend renting a climate-controlled storage unit.

Does Extra Space Storage in New Castle have 24 hour access self storage?

Access hours vary by location. Some locations offer extended access hours, while others may have 24/7 access available. Contact Extra Space Storage at 831 S Dupont Hwy to learn more about our storage facility access hours!

Where can I buy moving supplies in New Castle?

For both residential and commercial storage customers in New Castle, quickly buy the moving supplies you need—like boxes, packing tape, bubble wrap, and more—at Extra Space Storage! Stop into the main office at one of our New Castle storage facilities to buy the items you need. No unit reservation is necessary to purchase moving supplies either!

What is the average height of a storage unit?

Storage units at our 831 S Dupont Hwy storage facility are typically 8 feet tall. Keep in mind that this can vary with smaller units like storage lockers and even warehouse spaces.

*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

4.8 stars

304 Reviews

5 stars276

4 stars17

3 stars1

2 stars5

1 star5

Showing 3 of 304

Amanda

June 16, 2026

Very helpful, knowledgeable, was able to answer all of our questions

Thank you for taking the time to share this, Amanda! Glad we could answer all your questions and make the experience helpful.

Extra Space Storage (6/16/2026)

Google Review

Robert

June 15, 2026

Nice storage staff was very helpful today and very nice and professional

Thank you for your review, Robert! Glad our staff made a great impression.

Extra Space Storage (6/15/2026)

Google Review

junjun

June 13, 2026

Mary and Zach were really helpful with my unit. They showed me my unit before I purchased it and really helped to give me an idea on where to put my things !!

Thanks for sharing, junjun! Mary and Zach are great — glad they helped you plan your unit before purchasing!

Extra Space Storage (6/13/2026)

Google Review

Extra Space Storage at 831 S Dupont Hwy

Select a Unit Below

Units Available Nearby

Convenient Self Storage Near You in New Castle

Available Storage Unit Sizes

Climate-Controlled Storage

Exceptional Security Features

Other Amenities & Services

Cheap Storage Units in New Castle

The Self Storage Partner You Can Trust

Hours

Rental & Support

Access

Office

Directions

Frequently Asked Questions at 831 S Dupont Hwy

Are storage units climate-controlled in New Castle, DE?

What items need climate controlled storage in New Castle, DE?

Does Extra Space Storage in New Castle have 24 hour access self storage?

Where can I buy moving supplies in New Castle?

What is the average height of a storage unit?

Reviews

4.8 stars

Amanda

Robert

junjun

Company Information

More Information

Help

Self Storage Locations

Recently Searched Locations

Today's Hours

Extra Space Storage at 831 S Dupont Hwy

Today's Hours

Select a Unit Below

Units Available Nearby

Convenient Self Storage Near You in New Castle

Available Storage Unit Sizes

Climate-Controlled Storage

Exceptional Security Features

Other Amenities & Services

Cheap Storage Units in New Castle

The Self Storage Partner You Can Trust

Hours

Rental & Support

Access

Office

Directions

Frequently Asked Questions at 831 S Dupont Hwy

Are storage units climate-controlled in New Castle, DE?

What items need climate controlled storage in New Castle, DE?

Does Extra Space Storage in New Castle have 24 hour access self storage?

Where can I buy moving supplies in New Castle?

What is the average height of a storage unit?

Reviews

4.8 stars

Amanda

Robert

junjun

Company Information

More Information

Help

Self Storage Locations

Recently Searched Locations