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Storage units in San Antonio, TX

3,116 available units | 218 facilities | Average street rate: $129

See Local Prices by Unit Size

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How much is a storage unit in San Antonio?

The average price for a storage unit in San Antonio, TX is about $129 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 (September 2026)

Unit SizeNon-Climate ControlledClimate ControlledAll Unit Types (Average)
5x5$35$41$39
5x10$54$67$63
10x10$102$122$114
10x15$135$164$153
10x20$165$216$193
10x30$245$324$289
20x30$267$537$382
Average (All Sizes)$143$210$176
*Average monthly rates for San Antonio, TX, in September 2026

How to find the cheapest storage in San Antonio?

When looking for cheap storage units in San Antonio, timing can make a big difference. San Antonio storage prices tend to be lowest in December, averaging around $139. In contrast, August is typically the most expensive time for self storage in San Antonio, with rates reaching up to $142.

Price & Availability Index for San Antonio Storage Units

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

Monthly storage unit street rates in San Antonio
MonthUnitsAverage price
Aug 202517,537$142
Sep 202517,844$142
Oct 202517,915$140
Nov 202518,019$140
Dec 202518,075$139
Jan 202618,144$139
Feb 202618,485$139
Mar 202618,582$139
Apr 202618,626$139
May 202618,699$140
Jun 202618,827$141
Jul 202618,827$141

The chart above offers a clear month-by-month look at San Antonio 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 San Antonio 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 San Antonio, consider renting during the off-season when demand drops and availability improves.

What drives storage prices in San Antonio?

Street rates for storage units in San Antonio 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 San Antonio start at as low as $11 for non-climate-controlled spaces and $10 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 San Antonio are available starting from $27 for non-climate-controlled units and $37 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 San Antonio begin at $45 for non-climate-controlled spaces and $36 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 October, 2026.

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

What types of specialized storage can you rent in San Antonio?

San Antonio 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 $172/mo
Car Storage Average price $161/mo
Boat Storage Average price $169/mo

Car Storage

Car storage in San Antonio 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 $161 per month.

RV Storage

With RV storage in San Antonio , 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 $172 per month, but can vary based on size, amenities, and proximity to highways or lakes.

Boat Storage

Boat storage in San Antonio 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 $169 per month, depending on location and features.

Frequently Asked Questions

How much does self storage cost in San Antonio?

On average, a San Antonio storage unit costs around $129/month. Prices vary by unit size, amenities, and neighborhood. A non-climate-controlled unit typically costs around $127/month, while a climate-controlled unit averages about $124/month.

The cheapest month to rent storage in San Antonio is December, when average rates drop to around $139/month. Booking during this time can help you save more.

In San Antonio, climate-controlled storage can actually be cheaper than standard units, with average rates about 4% lower. This makes them a smart choice for protecting items from heat and humidity at a lower cost.

Yes, some storage facilities in San Antonio 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.