San Diego Storage Units
At A-1 Self Storage in San Diego, CA, we are dedicated to providing you with the best in self storage. We offer convenient month-to-month rentals in a clean, well-lit environment. Our state-of-the-art facility features convenient online bill payment and coded entry keypads. Our professional management staff will be glad to assist you — we are here to help! Whether you are moving into a new home, expanding your business, storing your college dorm room for the summer, or even making space in your garage, A-1 Self Storage is here to help you along the way.
Providing convenient, affordable self storage to businesses and residents in the San Diego County area including Mission Valley, Grantville, Allied Gardens, San Diego State University (SDSU) and nearby communities.
Closed all major holidays
7 Days A Week
7:00 am - 8:00 pm
Extended Phone Support Hours
Monday - Friday: 7:30am - 7:00pm
Saturday: 8:00am - 6:00pm
Sunday: 9:00am - 5:00pm
You'd be surprised how small a storage space you can fit your belongings into! Let us help you save space and money by finding the right size to fit your needs.
Rent online to save time. You can rent your storage unit from the comfort of your own computer, tablet, or smartphone any time! We guarantee you'll love your storage unit, or we'll make it right.
A-1 Self Storage offers a full line of boxes and moving supplies for your one-stop shopping convenience.
Meet Our Team
Kristina, Glenda, Shawn, and Jacob have been working together at our Grantville area self-storage facility in San Diego, CA for a year. Between the four of them, they have over 33 years of industry experience, making them true storage experts! This positive and upbeat team is very organized, and they communicate well which drives their efficiency and customer service skills. They strive to have customers leave with a smile on their face. They say they aren’t just a team, but friends inside and outside of work. They believe that offering clean storage units, convenient access hours, competitive pricing, and friendly service is what makes them the best self-storage team in San Diego. They even offer a cup of fresh coffee in the morning, and a piece of candy for a sweet tooth in the afternoon. Stop by and experience their top-notch service!
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*Advertised unit sizes are approximations and are for comparison purposes only. Units may be smaller than indicated or shaped differently than indicated. Customers should inspect the unit before signing the contract and the rental decision should be based on the inspection of the unit to be rented and not on the advertised unit size. Units are not rented by the square foot, and rent is not based on square-foot measurements.
**All Internet specials are at select A-1 Self Storage locations on select units. Offer applies to new rentals by new customers only at participating A-1 Self Storage locations. One offer per customer. Offer available for limited locations and is subject to availability. Offer has no cash value. No refunds or substitutions are permitted.