Self storage in Belmont CA

A-1 Self Storage

(650) 517-6106

1337 Old County Rd Belmont, CA 94002

Hold a Unit for Free... or Rent Online Right Now

Welcome to A-1 Self Storage in Belmont, CA

At A-1 Self Storage in Belmont, CA, we are dedicated to providing you with the best in self storage. We offer month-to-month rentals in a clean, secure environment. Our state-of-the-art facility features 24-hour surveillance cameras, convenient online bill payment, and climate controlled storage units. 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 secure, affordable self storage to businesses and residents in the San Mateo County area including Belmont, San Mateo, San Carlos, Notre Dame de Namur University (NDNU) and nearby communities.

Office Hours


Mon-Fri 9:00 am - 6:00 pm
Sat-Sun 9:00 am - 5:00 pm

Access Hours


7 Days A Week
6:00 am - 10:00 pm

Storage size guide

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.

Difference between renting and reserving

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 has moving supplies

A-1 Self Storage offers a full line of boxes and moving supplies for your one-stop shopping convenience.

Meet Our Team


Belmont A-1 Self Storage TeamJohn “JP” and Antonio have been working together for almost 2 years now at our Belmont, CA self storage facility. Together this team has 30 years combined experience in customer service! They pay great attention to detail, and make every effort to give our customers the best service they can offer. Their dedication to service is reflected in their customer reviews. Did you know that they are rated the best self storage facility in Belmont by Yelpers? JP and Antonio believe that by going the extra mile to provide the best service around, along with offering clean storage units at a convenient location, is what makes them the best. Check it out and see for yourself today.

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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 A1 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.