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The 10 Best Self Storage Facilities in San Diego (2026)
This list ranks San Diego’s best self storage facilities using Google review data and a Bayesian-style approach that weights average rating by review volume; the results were updated for 2026. Storage needs in San Diego vary from small condo moves to longer-term business overflow, so reliability and consistent customer feedback matter. We focused on facilities that combine high scores with substantial review counts to reduce the effect of outlier ratings. Read on for concise notes on each location and a short FAQ to help you compare units and pick a place that fits your schedule and neighborhood.
This ranking is computed from Google reviews (our method). Listings marked Partner are paid advertising spots: they sit alongside the ranking without changing its order.
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Golden Triangle Self Storage
Golden Triangle Self Storage comes out on top with a perfect 5.0 Google rating backed by 981 reviews, giving it both the highest score and substantial review volume. Because our ranking favors high average ratings that are supported by many reviewers, Golden Triangle’s combination of top marks and nearly a thousand reviews pushes it above other highly rated facilities. Its listing on Sorrento Valley Road places it where the address suggests a strong local presence.
The full ranking
Mira Mesa Self Storage
Mira Mesa Self Storage posts a 5.0 rating with 797 reviews and is categorized as a self-storage facility in the Mira Mesa area.
797 reviews
Extra Space Storage
Extra Space Storage is rated 4.9 on Google with 4,154 reviews and appears as a self-storage facility located on Sherman Street.
4154 reviews
Public Storage
Public Storage carries a 4.9 Google rating from 978 reviews and is listed as a self-storage facility at 1925 54th Street.
978 reviews
U-Stor-It – Kensington
U-Stor-It – Kensington has a 4.9 rating based on 844 reviews and is recorded as a self-storage facility on El Cajon Boulevard in the Kensington area.
844 reviews
Price Self Storage
790 reviews
U- Stor-It – City Heights
U- Stor-It – City Heights is rated 4.9 with 749 reviews and appears as a self-storage facility on Home Avenue in the City Heights neighborhood.
749 reviews
Sorrento Valley Self Storage
Sorrento Valley Self Storage holds a 4.9 rating from 556 reviews and is listed as a self-storage facility on Sorrento Valley Road.
556 reviews
Kettner Self Storage
Kettner Self Storage posts a 4.9 Google rating with 125 reviews and is categorized as a self-storage facility on Kettner Boulevard.
125 reviews
Price Self Storage
1912 reviews
Frequently asked questions
How should I choose the right self storage unit in San Diego?
Start by listing what you need to store and for how long, then pick a unit size and access hours that match that usage. Check proximity to your home or business, read recent Google reviews for reliability and cleanliness, and confirm security features and access policies before signing.
What factors determine the cost of a storage unit?
Price depends on unit size, location, climate control, facility amenities, and the length of your rental agreement. Urban and conveniently located facilities typically cost more, and climate-controlled or ground-floor units often carry a premium.
What should I inspect or confirm before renting a unit?
Visit the facility to check cleanliness, lighting, locks, gate access, and any climate-control systems, and ask about insurance requirements and payment terms. Also confirm move-in procedures, notice periods for ending a lease, and how the site handles late payments or claims.
How was this ranking of storage facilities created?
The list is built from Google review data using a Bayesian-style approach that weighs each business’s average rating by the number of reviews to favor consistently highly rated locations. Rankings were updated for 2026 to reflect current ratings and review counts.