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Extra Space Storage (7/8/2026)
Google Review
1 / 7
4.9
- New Customer:
- Current Customer: (619) 207-8261
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
Nearby Locations
1 / 7
4.9
National City Self Storage at 525 W 20th St
- Current Customer: (619) 207-8261
- New Customer: (619) 477-1535
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
Locker
4' x 3'
- 1st Floor Access
- Indoor
- Reduced Height
Size Help
IN STORE
$80
WEB RATE
$47
Small
4' x 7'
- Indoor
- Lift Access
Size Help
IN STORE
$113
WEB RATE
$80
ACT FAST: 1 LEFT!
Small
6' x 8'
- Indoor
- Stair Access
Size Help
IN STORE
$162
WEB RATE
$115
ACT FAST: 1 LEFT!
Small
6' x 8'
- Indoor
- Lift Access
Size Help
IN STORE
$165
WEB RATE
$117
Small
6' x 9'
- Indoor
- Lift Access
Size Help
IN STORE
$178
WEB RATE
$126
Small
7' x 8'
- Indoor
- Lift Access
Size Help
IN STORE
$183
WEB RATE
$130
ACT FAST: 1 LEFT!
Small
8' x 8'
- Indoor
- Lift Access
Size Help
IN STORE
$203
WEB RATE
$147
ACT FAST: 1 LEFT!
Medium
9' x 9'
- Indoor
- Lift Access
Size Help
IN STORE
$245
WEB RATE
$187
ACT FAST: 1 LEFT!
Medium
5' x 17'
- Indoor Drive-Up Access
Size Help
IN STORE
$283
WEB RATE
$187
Medium
8' x 12'
- Indoor
- Lift Access
Size Help
IN STORE
$276
WEB RATE
$202
LIMITED UNITS
Medium
6' x 17'
- Indoor Drive-Up Access
Size Help
IN STORE
$296
WEB RATE
$202
Medium
7' x 17'
- Indoor Drive-Up Access
Size Help
IN STORE
$334
WEB RATE
$225
Medium
11' x 12'
- Indoor
- Lift Access
Size Help
IN STORE
$330
WEB RATE
$249
ACT FAST: 1 LEFT!
Large
14' x 17'
- Indoor Drive-Up Access
Size Help
IN STORE
$589
WEB RATE
$456
ACT FAST: 1 LEFT!
Units Available Nearby
3' x 3'
Available now at 3085 Del Sol Blvd, San Diego, CA 92154 starting at $65/mo
4' x 5'
Available now at 3808 Cedar St, San Diego, CA 92105 starting at $66/mo
10' x 10'
Available now at 3808 Cedar St, San Diego, CA 92105 starting at $177/mo
10' x 15'
Available now at 3808 Cedar St, San Diego, CA 92105 starting at $316/mo
10' x 20'
Available now at 3808 Cedar St, San Diego, CA 92105 starting at $378/mo
Nearby Locations
Other Storage Available
Conveniently Located Near You
Located on W 20th St just off W 18th St and I-5, Extra Space Storage serves residents of National City and Lincoln Acres. Locals will recognize our facility west of St. Anthony's Catholic Church and Kimball Elementary School.
Secure Storage Near Naval Base San Diego
Extra Space Storage is about 2.1 miles from Naval Base San Diego. We're a great solution for active military, military families, and base personnel who need affordablemilitary storage in National City!
A Versatile Self Storage Solution
Extra Space Storage on W 20th St offers a wide selection of storage units and storage lockers, drive-up access, and exceptional security. We're the storage solution you can count on in National City!
Storage Units to Fit Your Needs
With everything from 3x5 reduced height storage lockers to 17x25 indoor drive-up units, our National City storage facility has the space you're looking for! Storage units also include indoor access, elevator access, and other features.
Secure Storage
Our W 20th St storage facility is equipped with advanced security features like video surveillance, electronic gate access, an on-site resident manager, and security access to your floor only. We care about the valued belongings of our customers.
Drive-Up Access
For your convenience, we havestorage units with drive-up access. This amenity allows you to pull a vehicle up next to your unit to drop off and pick up items quickly! Drive-up units come in sizes 4x4 to 17x25.
Other Amenities & Services
Sturdy moving carts for heavy, bulky items
Multiple entrance gates
Elevators for easy access to upper levels
Accommodates trucks larger than 20ft
Se Habla Espanol
Convenient freeway access
Deliveries accepted
On-site office
Military discount
Cheap Self Storage in National City
If you need an affordable self storage solution in National City, Extra Space Storage on W 20th St has what you’re looking for! We offer cheap storage units with prices as low as $115 at this location. At select locations, you can also take advantage of great move-in deals like first month free and first month half-off when you reserve storage with us online!
Experience the Extra Space Difference
Extra Space Storage provides dependable self storage with great service. Our friendly, professional staff maintains a clean, secure facility at all times, and they're more than happy to help however they can! Contact us today to reserve a storage unit in National City!
Company
Employees: 1-10
Payment Options: MasterCard / VISA / American Express / Discover / Check / Cash / Invoice
Established Date: 1977
Site Number: 8321
Phone Number:(619) 477-1535
What to Expect from Extra Space Storage on W 20th St
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
W 18th St and I-5
Directions from the North
Drive south on I-5 S. Take Exit 11A. Turn left onto Cleveland Ave. Turn left onto W 19th St. Turn right onto Wilson Ave. Turn right onto W 20th St. Our facility will be straight ahead.
Directions from the South
Drive north on I-5 N. Take Exit 10. Turn right onto Mile of Cars Way. Turn left onto Wilson Ave. Turn left onto W 20th St. Our facility will be straight ahead.
Directions from the East
Drive west on CA-54 W. Take Exit 1B. Merge onto I-5 N. Take Exit 10. Turn right onto Mile of Cars Way. Turn left onto Wilson Ave. Turn left onto W 20th St. Our facility will be straight ahead.
Directions from the West
Drive southeast on CA-75 S. Merge onto I-5 N. Take Exit 10. Turn right onto Mile of Cars Way. Turn left onto Wilson Ave. Turn left onto W 20th St. Our facility will be straight ahead.
Frequently Asked Questions at 525 W 20th St
Does 525 W 20th St offer short term self storage options?
Storage units at Extra Space Storage at 525 W 20th St can be rented for both short-term and long-term storage needs! The leases our customers sign are month by month, so you have the flexibility to use self storage for as long as you need it.
Are there restrictions on what I can put in a storage unit at 525 W 20th St?
Extra Space Storage does have a few restrictions on what can be stored at any of our National City storage facilities. The items that cannot be stored at Extra Space Storage include but are not limited to food, drugs, anything flammable or combustible, vehicles not in working order, and more. If you're not sure about an item, please contact our team at 525 W 20th St!
Do I need insurance to rent a storage unit at 525 W 20th St?
When renting a storage unit at 525 W 20th St 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 National City is that our options may provide more coverage for your items and possibly help you avoid increases in your premiums over time.
How secure are storage units at 525 W 20th St?
Our National City storage facilities are backed by advanced security features, such as video surveillance, security access to your floor only, individually-alarmed storage units, and electronic gate access!
What size padlock should I use for storage unit at 525 W 20th St?
Storage units at our 525 W 20th St storage facility have no set lock size required. If you're not sure the lock you have is secure enough, Extra Space Storage sells secure disc locks along with other helpful moving supplies!
*Promotional Terms & Conditions and Size Disclaimer
Reviews
4.9 stars
858 Reviews
We
Literally the most overpriced storage in all of National City, National City is become a joke, It's more expensive than downtown and north, they're totally taking advantage of lower and middle class. You'll have to pay to have extra items more than the wealthy ROFL Enjoy your overpriced $60 for 3 feet by 5 feet ROFL shoebox cubby hole, what a flipping joke.
Please accept our apologies for your experience. Your concerns are noted. Thank you for reaching out.
Extra Space Storage (7/3/2026)
Google Review
George
Extra Space is a business that only cares about making money.
We are sorry to hear about your experience George. We value customer relationships beyond profit. Please contact us at (619) 477-1535 to discuss your concerns.
Extra Space Storage (5/23/2026)
Google Review
