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Storage units in Ontario, CA, and nearby areas

250 available units | 20 facilities

See Local Prices by Unit Size

Popular storage types in Ontario:

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How much is a storage unit in Ontario?

The average price for a storage unit in Ontario, CA is about $184 per month. Rates vary depending on unit size, amenities, and location.

Smaller units typically cost less, while larger, climate-controlled, or specialty units tend to command a premium.

Average Storage Unit Prices (October 2026)

Unit SizeAll Unit Types (Average)
5x5$80
5x10$108
10x10$186
10x15$265
10x20$316
10x30$494
20x30$818
Average (All Sizes)$324
*Average monthly rates for Ontario, CA, in October 2026

How to find the cheapest storage in Ontario?

When looking for cheap storage units in Ontario, timing can make a big difference. Ontario storage prices tend to be lowest in October, averaging around $173. In contrast, July is typically the most expensive time for self storage in Ontario, with rates reaching up to $180.

Price & Availability Index for Ontario Storage Units

Click any point to view month-specific storage unit prices and availability at local facilities.

Monthly storage unit street rates in Ontario
MonthUnitsAverage price
Aug 2025836$175
Sep 2025839$174
Oct 2025843$173
Nov 2025846$173
Dec 2025848$173
Jan 2026849$176
Feb 2026850$178
Mar 2026856$176
Apr 2026856$176
May 2026860$176
Jun 2026860$178
Jul 2026860$180

The chart above offers a clear month-by-month look at Ontario storage rental prices, helping you see exactly when it's cheapest to book a unit. By planning and renting during the low-demand months, you'll increase your chances of locking in the best deal on storage.

These seasonal shifts in self storage costs in Ontario are closely tied to moving trends. Summer is peak moving season, which drives demand - and prices - higher. If you want to secure the most affordable storage in Ontario, consider renting during the off-season when demand drops and availability improves.

What drives storage prices in Ontario?

Street rates for storage units in Ontario vary by unit size, facility location, and local demand. Added features like climate control, 24/7 access, and enhanced security can affect monthly costs. Discounts for long-term rentals or first-time customers may also reduce overall rates.

  • 5x5 storage units in Ontario start at as low as $59 for non-climate-controlled spaces and $65 for climate-controlled ones. This is the most affordable option for those needing extra space for boxes, small furniture, or seasonal décor.
  • 10x10 storage units in Ontario are available starting from $100 for non-climate-controlled units and $120 for climate-controlled options. As the most rented unit size, it's a cost-effective solution that fits the contents of a one-bedroom apartment, ideal for moving or remodeling projects.
  • 10x20 storage units in Ontario begin at $230 for non-climate-controlled spaces and $394 for climate-controlled ones. These are the lowest rates for large units, which can accommodate furniture from a multi-room home or even a vehicle, offering both space and great value.

Minimum prices are based on active listings in November, 2026.

Actual rates may vary depending on market availability and facility pricing updates.

What types of specialized storage can you rent in Ontario?

Ontario offers a variety of specialized storage options designed for vehicles and recreational equipment. Whether you need a secure spot for your car, RV, or boat, local facilities provide outdoor, covered, and indoor climate-controlled spaces to keep your investment protected year-round.

RV Storage Average price $277/mo
Car Storage Average price $173/mo
Boat Storage Average price $268/mo

Car Storage

Car storage in Ontario offers a safe, convenient way to keep vehicles off your driveway when not in use. Choose between outdoor (open or covered) and indoor storage. Unit sizes typically range from 10’x15’ for compact cars to 10’x30’ for larger trucks, with rates averaging around $173 per month.

RV Storage

With RV storage in Ontario , you can park your motorhomes and trailers securely between trips. Facilities offer options from outdoor parking to fully enclosed, climate-controlled units. Prices average around $277 per month, but can vary based on size, amenities, and proximity to highways or lakes.

Boat Storage

Boat storage in Ontario provides an ideal off-season home for your watercraft. You can choose between outdoor and indoor climate-controlled storage options. Unit sizes range from 10x20 to 10x30, with average rents around $268 per month, depending on location and features.

Frequently Asked Questions

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

The lowest storage prices in Ontario start at $59/month for a 5′×8′ self storage unit — perfect for renters seeking budget-friendly options.

The cheapest month to rent storage in Ontario is October, when average rates drop to around $173/month. Booking during this time can help you save more.

Yes, some storage facilities in Ontario offer 24/7 access so you can reach your unit anytime. Before renting, check the facility's business hours or access policy to ensure it matches your schedule. Round-the-clock access is ideal if you need flexibility or plan to visit your unit outside standard hours.

Based on 2,741 reviews, storage customers in Ontario rated their experience an impressive 4.6. This excellent score highlights consistently strong satisfaction with Ontario storage facilities, from customer service to overall convenience.