1 / 7

Extra Space Storage6551 FM 78San Antonio, TX 78244

New Customer:
Current Customer: (726) 762-0815

Nearby Locations

1 / 7

4.8

San Antonio Self Storage at 6551 FM 78

6551 FM 78, San Antonio, TX 78244

Current Customer: (726) 762-0815
New Customer: (210) 934-2095

Select a Unit Below

‌

Small

10' x 5'

1st Floor Access
Climate Controlled
Indoor

Size Help

Learn More

IN STORE

$92

WEB RATE

$66

Small

5' x 10'

1st Floor Access
Climate Controlled
Indoor

Size Help

Learn More

IN STORE

$92

WEB RATE

$66

5x10 storage units are a great solution for a wide range of short-term and long-term self storage needs, including moving to a new home, storing college dorm room items, using storage while deployed, and decluttering a house or apartment. These units are comparable in size to a walk-in closet. 5x10 units can typically hold the contents of a small bedroom or dorm room, such as a queen-size mattress set, dresser, TV, and several boxes.

Medium

10' x 10'

1st Floor Access
Indoor

Size Help

Learn More

IN STORE

$119

WEB RATE

$93

Medium

10' x 10'

1st Floor Access
Climate Controlled
Indoor

Size Help

Learn More

IN STORE

$154

WEB RATE

$109

Medium

10' x 15'

1st Floor Access
Indoor

Size Help

Learn More

IN STORE

$164

WEB RATE

$128

10x15 storage units are available as enclosed self storage units or as outdoor vehicle parking spaces. If you rent a 10x15 enclosed unit, you can store the contents of a small apartment or house, including furniture, appliances, and several moving boxes. If you rent a 10x15 outdoor parking space, you can store a motorcycle or small watercraft—though you’ll need to check with the facility on specific vehicle storage guidelines.

Medium

10' x 15'

1st Floor Access
Climate Controlled
Indoor

Size Help

Learn More

IN STORE

$214

WEB RATE

$153

Medium

10' x 15'

1st Floor Access
Climate Controlled
Indoor
Multi-Door Unit

Size Help

Learn More

IN STORE

$214

WEB RATE

$153

Large

10' x 25'

1st Floor Access
Climate Controlled
Indoor

Size Help

Learn More

IN STORE

$311

WEB RATE

$219

10x25 storage units are among the largest unit sizes offered. Depending on the facility, these units may be available as enclosed spaces or as outdoor vehicle parking. Enclosed 10x25 units are ideal for storing the contents of a multi-bedroom home, such as appliances, furniture, and moving boxes. Outdoor 10x25 parking spots can typically hold RVs, boats, cars, and motorcycles—though you’ll need to check with the facility on specific vehicle storage guidelines.

Large

10' x 30'

Drive-Up Access
Enclosed Vehicle Storage

Size Help

Learn More

IN STORE

$276

WEB RATE

$193

10x30 storage units are among the largest unit sizes our storage locations, and they may be available as either enclosed units or as outdoor vehicle parking spaces. With 10x30 enclosed units, you can store the contents of a large multi-bedroom home. With 10x30 outdoor parking spots, you can store a vehicle, such as a motorcycle, car, boat, camper, or RV—though you’ll need to check with the facility on specific vehicle storage guidelines.

Large

10' x 30'

Drive-Up Access
Enclosed Vehicle Storage

Size Help

Learn More

IN STORE

$276

WEB RATE

$193

Units Available Nearby

5' x 5'

Available now at 3615 N Foster Rd, San Antonio, TX 78244 starting at $32/mo

Available Nearby

7' x 15'

Available now at 3615 N Foster Rd, San Antonio, TX 78244 starting at $105/mo

Available Nearby

10' x 20'

Available now at 3615 N Foster Rd, San Antonio, TX 78244 starting at $178/mo

Available Nearby

10' x 24'

Available now at 3615 N Foster Rd, San Antonio, TX 78244 starting at $64/mo

Available Nearby

10' x 35'

Available now at 7095 Crestway Rd, San Antonio, TX 78239 starting at $63/mo

Available Nearby

Nearby Locations

Convenient Self Storage Near You in San Antonio

Located near the intersection of Old Seguin Rd and Rittiman Rd, Extra Space Storage serves residents of San Antonio, Kirby, Windcrest, Converse, Martinez, and more. Locals will recognize our facility near AutoZone and Jiffy Lube.

Available Storage Unit Sizes

With storage units ranging in size from as small as 5x5 to as large as 15x30, as well as features like first-floor access, drive-up access, and indoor access, this San Antonio storage facility has the dependable storage space you've been searching for!

Drive-Up Storage Units

Enjoy the ultimate self storage convenience with drive-up access in San Antonio! This handy feature allows you to pull your vehicle right up to your unit for quick and easy loading and unloading.

Climate-Controlled Storage

Need to store temperature-sensitive items? Climate control can help protect your belongings from extreme temperature changes. These units typically maintain a storage environment between 55 and 80 degrees throughout the year.

Exceptional Security Features

At our 6551 FM 78 storage facility, you’ll find storage units backed by advanced security measures like video surveillance and electronic gate access. We care about your valued belongings.

Other Amenities & Services

Sturdy moving carts available for heavy, bulky items
Multiple entrance gates
Accommodates trucks larger than 20 feet
Wide-drive aisles to accommodate large moving trucks
Gate access on Sundays
Convenient freeway access
On-site office
Military discounts

Cheap Self Storage in San Antonio

If you need an affordable self storage solution in San Antonio, Extra Space Storage on FM 78 has what you’re looking for! We offer cheap storage units with prices as low as $66 at this location. At select locations, you can also take advantage of great move-in deals like first month free and first month half-off when you reserve storage with us online!

The Self Storage Partner You Can Trust

We're dedicated to providing high-quality self storage and excellent customer service. We work hard to keep our facility clean, secure, and well-lit at all times. Plus, the Extra Space Storage team is on hand to help if you have any questions. Contact us today to reserve a storage unit in San Antonio!

Company

Employees: 1-10

Payment Options: MasterCard / VISA / American Express / Discover / Check / Cash / Invoice

Established Date: 1977

Site Number: 2245

Phone Number:(210) 934-2095

Hours

Rental & Support

Monday: 6:00 AM - 10:00 PM
Tuesday: 6:00 AM - 10:00 PM
Wednesday: 6:00 AM - 10:00 PM
Thursday: 6:00 AM - 10:00 PM
Friday: 6:00 AM - 10:00 PM
Saturday: 6:00 AM - 10:00 PM
Sunday: 6:00 AM - 10:00 PM

Access

Monday:6:00 AM - 10:00 PM
Tuesday:6:00 AM - 10:00 PM
Wednesday:6:00 AM - 10:00 PM
Thursday:6:00 AM - 10:00 PM
Friday:6:00 AM - 10:00 PM
Saturday:6:00 AM - 10:00 PM
Sunday:6:00 AM - 10:00 PM

Office

Monday:9:30 AM - 6:00 PM
Tuesday:9:30 AM - 6:00 PM
Wednesday:9:30 AM - 6:00 PM
Thursday:9:30 AM - 6:00 PM
Friday:9:30 AM - 6:00 PM
Saturday:9:00 AM - 5:30 PM
Sunday:Closed

Directions

Intersections/Landmarks

Old Seguin Rd and Railway

Directions from the North

Drive southeast on Woodlake Pkwy. Turn right onto Gibbs Sprawl Rd. Turn left onto Rittiman Rd. Turn left onto Old Seguin Rd. Our facility will be on your left.

Directions from the South

Drive north on N Foster Rd. Pass Summer Fest Dr and continue driving north. Turn right onto Old Seguin Rd. Our facility will be on your left.

Directions from the East

Drive southwest on Old Seguin Rd. Pass Woodlake Pkwy and continue driving southwest on FM 78. Our facility will be on your right after Railway.

Directions from the West

Drive northeast on Old Seguin Rd. Pass Summer Fest Dr and continue driving northeast on FM 78. Our facility will be on your left after Rittiman Rd.

Frequently Asked Questions at 6551 FM 78

Can I rent a storage unit for 1 month in San Antonio?

Yes! Storage units at our 6551 FM 78 storage facility offer both long-term and short-term self storage options with month-to-month leases! Customers can rent a unit for as short as one month or longer if they need it!

Do I need climate-controlled storage in San Antonio, TX?

If you’re concerned about sensitive belongings getting damaged in self storage, we recommend renting a climate-controlled storage unit at our FM 78 storage facility. These units typically maintain temperatures between 55 and 80 degrees year round to help protect items from extreme temperature changes.

How far in advance do I need to reserve a storage unit?

Extra Space Storage on FM 78 allows customers to reserve self storage units up to 14 days in advance. There's no minimum requirement!

What is the average height of a storage unit?

Storage units at our FM 78 storage facility are typically 8 feet tall. Keep in mind that this can vary with smaller units like storage lockers and even warehouse spaces.

Is it safe to store electronics in a storage unit in San Antonio?

Storing electronics at our FM 78 storage facility is safe. We have equipped our storage facility with advanced security measures. For additional protection of your electronic devices, you might consider renting a climate-controlled storage unit. Contact us to learn more!

*Promotional Terms & Conditions and Size Disclaimer

Promotional Terms

Limit, one promotion per customer. Promotions cannot be used in conjunction with any other offer except for web rate pricing. Promotions are subject to change and availability. Promotions may not be available in-store. Promotions do not apply to taxes, insurance, administrative fees, or other fees. Promotions must be applied at time of checkout and cannot be applied to an existing rental, once rented. See Rental Agreement for additional details.

Half-Off and Free Rent Promotions

Only available at participating locations for selected units. “First Month Free,” “First Month Half Off,” “Second Month Free,” “Second Month Half Off” and other rent promotions do not apply to taxes, insurance, administrative fees, or other fees and may not be combined.

$50 Moving Truck Credit in New York City

Only available at participating locations for selected units. Extra Space will provide a $50.00 credit for customers that use a moving truck or moving service to move into the Extra Space facility. To redeem, customers must provide a valid receipt from the moving service to the store manager. Please see the store manager for additional details.

Size Disclaimer

Unit sizes advertised for rent are approximate only and units at the self-storage facility may differ slightly in shape and/or size. Customers should inspect the actual unit to be rented before signing a rental agreement and should base the decision to rent on the inspection of the unit and not on the advertised unit size. Rental amounts for a particular unit are not based on square footage measurements.

Reviews

4.8 stars

144 Reviews

5 stars134

4 stars2

3 stars1

2 stars1

1 star6

Showing 3 of 144

Rolando

June 13, 2026

Hannah Voigt gave us good service, she is very nice, helpful and patient.

Thank you for your wonderful feedback, Rolando! We're glad Hannah Voigt delivered patient, helpful service. We'll make sure she knows!

Extra Space Storage (6/13/2026)

Google Review

Mario

June 12, 2026

I stayed for less than 1 month. Didn't had any issues. Storage was clean and comfortable temperature. Very friendly staff. I recommend to go to the place to reserve it rather than calling.

Thank you, Mario. Your rating means so much to us!

Extra Space Storage (5/29/2026)

Google Review

Scott

June 8, 2026

Hannah was great

Thanks for your wonderful feedback, Scott! We're thrilled Hannah provided great service. We appreciate you taking the time to share your experience.

Extra Space Storage (6/8/2026)

Google Review

San Antonio Self Storage at 6551 FM 78

Select a Unit Below

Units Available Nearby

Convenient Self Storage Near You in San Antonio

Available Storage Unit Sizes

Drive-Up Storage Units

Climate-Controlled Storage

Exceptional Security Features

Other Amenities & Services

Cheap Self Storage in San Antonio

The Self Storage Partner You Can Trust

Hours

Rental & Support

Access

Office

Directions

Frequently Asked Questions at 6551 FM 78

Can I rent a storage unit for 1 month in San Antonio?

Do I need climate-controlled storage in San Antonio, TX?

How far in advance do I need to reserve a storage unit?

What is the average height of a storage unit?

Is it safe to store electronics in a storage unit in San Antonio?

Reviews

4.8 stars

Rolando

Mario

Scott

Company Information

More Information

Help

Self Storage Locations

Recently Searched Locations

Today's Hours

San Antonio Self Storage at 6551 FM 78

Today's Hours

Select a Unit Below

Units Available Nearby

Convenient Self Storage Near You in San Antonio

Available Storage Unit Sizes

Drive-Up Storage Units

Climate-Controlled Storage

Exceptional Security Features

Other Amenities & Services

Cheap Self Storage in San Antonio

The Self Storage Partner You Can Trust

Hours

Rental & Support

Access

Office

Directions

Frequently Asked Questions at 6551 FM 78

Can I rent a storage unit for 1 month in San Antonio?

Do I need climate-controlled storage in San Antonio, TX?

How far in advance do I need to reserve a storage unit?

What is the average height of a storage unit?

Is it safe to store electronics in a storage unit in San Antonio?

Reviews

4.8 stars

Rolando

Mario

Scott

Company Information

More Information

Help

Self Storage Locations

Recently Searched Locations