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Car storage units in Ontario, CA, and nearby areas

198 available units | 9 facilities

Popular storage types in Ontario:

Car storage units in nearby cities:

Browse storage units in other top cities across California:

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Car storage cost

If you’re looking to store your car in Ontario, CA, you can expect to pay around $173 per month. That’s 19% more than the national average of $145.

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Why the price might be higher: In Ontario, CA, high demand and limited space mean that good car storage gets snapped up quickly. When you find a solid rate, it's a smart move to lock it in.

How much does car storage cost in Ontario, CA?

Avg. Car Storage Rent
$173/mo
National Avg. Car Storage Rent
$145/mo

Data from StorageCafe, November 2026

Not sure what size you need? Let’s find out.

Find the right unit size for your vehicle. Choose your make, model, and year to see what fits best.

Vehicle storage size calculator

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Car slideshow in a storage unit

Car storage options

Finding the right place to store your car in Ontario, CA is simple. With 6 local facilities offering a range of choices, you can pick what works best for your vehicle and budget – whether that’s a basic outdoor space or an indoor unit with full protection.

Outdoor car storage: affordable and convenient, great for everyday vehicles and short-term needs.

Opened outdoor car storage

Open outdoor storage

  • Budget-friendly option on paved, gravel, or grass surfaces
  • Best for warm-weather or short-term storage
  • Tip: Use a quality car cover for extra protection
Covered outdoor car storage

Covered outdoor storage

  • Still outdoors, but under a canopy or carport
  • Extra protection from sun and rain
  • Great balance between cost and coverage

Indoor car storage: Best for long-term protection or storing classic/luxury vehicles.

Indoor car storage
  • Park inside a garage-style unit or shared indoor space
  • Shields your car from rain, snow, and temperature swings
  • Some units offer climate control for added protection against humidity
  • Ideal for classic cars, convertibles, or off-season vehicles

Top-rated car storage facilities in Ontario, CA

The average rating for car storage facilities in Ontario, CA is 4.7 stars based on 1,956 customer reviews.

Providers like Extra Space Storage and Public Storage are among the highest rated in the area.

Here's what people appreciate most:

Security & peace of mind

  • Gated access, surveillance cameras, and on-site staff are top priorities.
  • Renters want to know their vehicle is safe—especially for long-term or high-value storage.

Easy, reliable access

  • 24/7 access or extended hours, plus drive-up availability, are key for convenience.
  • Users appreciate locations that make drop-off and pick-up simple, especially without appointments.

Clean, well-maintained facilities

  • A tidy, well-kept space signals professionalism and care.
  • Bonus points for paved surfaces, weather protection, and clear signage.

Frequently Asked Questions

What is the cheapest storage unit price in Ontario right now?

The lowest storage prices in Ontario start at $58/month for a 9′×20′ car storage unit — perfect for renters seeking budget-friendly options.

A 10’×20’ unit is the go-to size for most standard cars. Compact cars? You might only need a 10’×15’. Trucks, vans, or larger SUVs? A 10’×30’ will give you the extra space you need.

Yes – in most cases! A 10’×30’ unit is about the size of a standard two-car garage, so you can usually fit two compact vehicles side by side.

Absolutely. For a classic, luxury, or collector car, your best bet is a climate-controlled indoor unit. This keeps temperature and humidity stable, helping preserve your vehicle’s finish and components.