Extra Space Storage of National City, California offers the best in self-storage by providing long access hours, strong security and hallmark cleanliness. We are conveniently located on 20th Street near Wilson Avenue, along the 24 Street Trolley Station behind the Mile of Cars. Our facility has 585 self-storage units ranging in size from 3’x 5’ to 17’x 24’ and our knowledgeable storage specialists can help you determine the unit that fits your needs. Because we value our customers’ security, our facility has motion detection cameras providing 24-hour video surveillance and a manager who lives onsite. And to make your move easier, we’ve implemented convenient features like drive aisles wide enough for semi-trucks, lifts and drive-up units. Our extended gate hours are longer than most other storage facilities’ and allow you to access your belongings when you need them. Our facility also offers a unique feature called DocuSign, an electronic lease that you sign digitally to save time. We are close to the Naval Base San Diego, Paradise Valley Hospital, Sweetwater Plaza Shopping Center, Kimball Park, the National City Adult School, Petco Park, 32nd Street Naval Station and Plaza Bonita Shopping Center. We have successfully served the communities of downtown, Spring Valley, Chula Vista, San Diego and National City since 2011. The cleanliness of Extra Space Storage of National City and the friendly professionalism of our staff ensure that you have an excellent experience storing with us.