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Storage units in San Diego County, CA - 218 listings with over 3,636 spaces

Prices start at just $8. See the latest San Diego County storage market trends

Not sure what size you need? See our size guide!

Not sure what size you need? See our size guide!

Need more options? Browse storage units in other California cities!

Browse storage units in all California cities.

Average storage prices in San Diego County

With prices starting at $8, you’ll find everything from compact locker-sized units to large spaces for cars, RVs or household goods.

Prices typically vary depending on the unit size and whether it’s climate controlled.

Unit SizeNon-Climate-Controlled UnitsClimate-Controlled Units
5x5$90$91
5x10$137$128
10x10$222$219
10x15$310$304
10x20$408$416
10x30$532$634
20x30$1,046-
Average (all sizes)$392$299

Cheap storage units in San Diego County

31% of local storage listings are priced below the city’s average, giving you plenty of budget-friendly options.

  • Small storage units (perfect for boxes, seasonal items, or a studio apartment) start as low as $8
  • Medium storage units (great for 1- to 2-bedroom homes) are available from just $39
  • Large storage units (ideal for multi-room moves or business inventory) start around $115
Cheap storage units
5x5 $8/mo

OceanSide RV & Self Storage, Oceanside, CA 92054

Cheap storage units Cheap storage units
10x10 $39/mo

Ace Self Storage, El Cajon, CA 92020

Cheap storage units Cheap storage units Cheap storage units
10x20 $115/mo

Quarry Self Storage, Spring Valley, CA 91977

Types of storage available in San Diego County

Standard Non-Climate Controlled Units: Non-climate-controlled storage units are suitable for items that aren't sensitive to humidity or temperature fluctuations. These units may be located either inside a building or outdoors – outdoor units often feature drive-up access for convenient loading and unloading.

In San Diego County, you can rent a non-climate-controlled storage unit for an average of $392 per month.

Climate-Controlled Units: Climate-controlled units maintain consistent temperature and humidity levels year-round, protecting everything from electronics and wooden furniture to antiques, artwork, books and important documents.

You’ll find 79 self storage facilities in San Diego County offering climate-controlled units in a variety of sizes and price points.

The average rate for a 10'x10' climate-controlled storage unit in San Diego County is around $219 per month — a smart investment to ensure your valuables stay protected.

Vehicle Storage Options: Perfect for outdoor adventurers, seasonal travelers and classic car collectors, specialized storage spaces offer a secure place to store cars, SUVs, vans, RVs, boats and other types of vehicles.

Car Storage in San Diego County

From short-term parking to long-term indoor garage units, San Diego County has secure car storage options for commuters, collectors or those needing seasonal space. Climate-controlled car units are also available for luxury or classic vehicles.

👉 Explore current rates and available car storage options in San Diego County.

Top storage facilities in San Diego County

The top self storage providers in the area include Golden Triangle Self Storage at 10345 Sorrento Valley Road, Smart Self Storage at 816 Miller Drive, and Mira Mesa Self Storage at 7044 Flanders Drive, These facilities feature some of the most highly reviewed storage units in San Diego County.

  • Customers consistently appreciate locations with strong security measures, such as 24-hour video surveillance and electronic gate access.
  • Climate-controlled units are also valued for protecting sensitive items from temperature fluctuations.
  • Additionally, drive-up access and extended operating hours are frequently praised for the convenience they offer.

How to choose the right storage unit in San Diego County

Here are a few simple things to keep in mind when choosing a storage unit in San Diego County:

  • Think about the weather
  • If you’re storing things like electronics, wooden furniture or photos, go with a climate-controlled unit to keep them safe.
  • Check when you can get in
  • Need late-night access? Some places offer 24/7 entry, while others stick to regular business hours. Make sure you pick a facility whose opening hours work for your schedule.
  • Make sure it feels secure
  • Look for places with gated access, security cameras and someone on-site. It’s your stuff — you want it protected.
  • Shop around for deals
  • Prices can vary a lot. It’s worth checking a few places – some even offer discounts for your first month.
  • See what others are saying
  • Online reviews can give you the real scoop on customer service, cleanliness, and how a facility treats its renters.
  • Don’t forget about insurance
  • Most storage places require it. Some offer it themselves, or you might already be covered through your renters or homeowners insurance.

Take a few minutes to check these things off your list, and you’ll be set up with a storage unit that actually works for you — without overpaying or guessing.

Frequently asked questions

How safe is self storage?

Most self storage facilities have some level of security, often including surveillance cameras and gated access. Popular security features include video surveillance and secure entry systems. Know that the facility comes with a strong security setup can give you confidence that your belongings are safe until you need them again.

Methodology Note: Self storage data - including pricing and unit information - is analyzed and curated by RentCafe Self Storage. Statements reflect local market coverage and storage availability trends within the area.

Data sources: RentCafe Self Storage Research, Yardi Matrix, U.S. Census.