Storage units at A-1 Self Storage in San Diego, California

Reserve Today. No Touch Rentals & No Obligations

Office Hours


9:00am - 6:00pm
9:00am - 5:00pm

Closed all major holidays

Access Hours


7 Days a Week
7:00am - 8:00pm

Extended Phone Support Hours

Monday - Friday: 7:30am - 7:00pm
Saturday: 8:00am - 6:00pm
Sunday: 9:00am - 5:00pm


The Storage You're Looking For

Review from Brian G. for A-1 Self Storage in San Diego, California

Reviews star rating from Diane C. for A-1 Self Storage in San Diego, California

"A-1 called me me back quickly and answered all my questions completely. The rental paperwork was easy to complete."

- Brian G.

Review from Kayla R. for A-1 Self Storage in San Diego, California

Reviews star rating from Diane C. for A-1 Self Storage in San Diego, California

"I felt like the process to book the unit was super easy. The units have elevator lifts and carts available for easy unloading super secure."

- Kayla R.

Review from Karin D. for A-1 Self Storage in San Diego, California

Reviews star rating from Diane C. for A-1 Self Storage in San Diego, California

"The units are very clean, the agents are respectful, courteous, professional, and extremely helpful."

- Karin D.

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Welcome to A-1 Self Storage in Grantville, San Diego

At A-1 Self Storage in San Diego, California, you can select the self storage solution that works for you and your things. Ranging from small to extra large, our storage units are available in a variety of sizes to ensure you only pay for the storage you need. 24-hour access is available for some units to meet the needs of your busy schedule!

In addition to the wide array of sizes, A-1 Self Storage offers a long list of modern storage features. Convenient online rentals simplify the reservation process while easy month to month rentals allow you to store your things on a flexible schedule. And you can rest assured that we are taking every precaution to ensure our facility meets safety guidelines.

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.

What Size Do I Need?

View Unit Sizes

How It Works

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1. Rent Online or Call to Reserve

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2. Access Your Unit

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3. Move In

Get Started

Meet Our Team

Kristina, Jacob, and Glenda have been working together at our Grantville area self storage facility in San Diego, California, for a year. Between the four of them, they have over 33 years of industry experience, making them true storage experts! 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. Stop by and experience their top-notch service!

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.


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