San Marcos, TX
Hi, Bill. We appreciate the rating, and are glad we could provide you with a positive experience!
10'x25'
250 sq ft


10'x25'250 sq ft
10'x30'
300 sq ft


10'x30'300 sq ft
10'x20'
200 sq ft


10'x20'200 sq ft
10'x25'
250 sq ft


10'x25'250 sq ft
10′ × 5′ to 5′ × 15′
Similar to a closet. Ideal for sports equipment, seasonal items, and extra boxes.
5'x15'
75 sq ft


5'x15'75 sq ft
5'x15'
75 sq ft


5'x15'75 sq ft
10′ × 10′ to 10′ × 20′
Similar to a small room. Ideal for a studio apartment or office suite.
10'x10'
100 sq ft


10'x10'100 sq ft
7'x15'
105 sq ft


7'x15'105 sq ft
10'x15'
150 sq ft


10'x15'150 sq ft
10'x10'
100 sq ft


10'x10'100 sq ft
10'x10'
100 sq ft


10'x10'100 sq ft
10'x15'
150 sq ft


10'x15'150 sq ft
10'x20'
200 sq ft


10'x20'200 sq ft
10'x20'
200 sq ft


10'x20'200 sq ft
10′ × 25′ to 10′ × 30′
Similar to a one-car garage. Ideal for a multi-bedroom home or business inventory.
10'x25'
250 sq ft


10'x25'250 sq ft
10'x30'
300 sq ft


10'x30'300 sq ft
10'x25'
250 sq ft


10'x25'250 sq ft
5'x5'
25 sq ft


5'x5'25 sq ft
4'x15'
60 sq ft


4'x15'60 sq ft
5'x10'
50 sq ft


5'x10'50 sq ft
10'x5'
50 sq ft


10'x5'50 sq ft
5'x10'
50 sq ft


5'x10'50 sq ft
5'x15'
75 sq ft


5'x15'75 sq ft
10'x8'
80 sq ft


10'x8'80 sq ft
Answers to the questions storage customers ask most.
Tenants can access their units 7 days a week from 6:00 AM to 10:00 PM using their personal gate code. 24-hour access is available on select units — ask the office for details.
No. All units are rented month-to-month. You can move out anytime with 10 days written notice — there are no long-term contracts or early termination fees.
You can pay online through your tenant portal, by phone, in person at the office, or set up autopay with a credit card or bank account. Autopay tenants receive a small monthly discount.
A 5x5 fits a closet's worth of items, a 10x10 holds a one-bedroom apartment, and a 10x20 fits a 3-bedroom home. Our team can help you size it right in under a minute — call or stop by.
Yes. Climate-controlled units maintain a temperature between 55-80°F year-round, protecting electronics, wood furniture, documents, and other sensitive items from heat and humidity.
The property is monitored by 24/7 HD video surveillance, perimeter fencing, individually coded gate access, bright LED lighting, and motion sensors on every hallway.

Located on Riverwalk Drive just off Interstate 35, Guard Dog Storage offers a clean, secure self storage facility in San Marcos, TX, with smart units, climate-controlled options, and convenient drive-up access. Here is what you will find on-site:
Climate-controlled storage units
Drive-up storage units
Smart units with StorageDefender 24/7 monitoring
Fully fenced perimeter
Secure gated entrance with controlled access
Ground-floor units for easy loading
Moving and packing supplies available on-site
Moving truck rentals in multiple sizes
Flexible month-to-month rentals
Easy online payments and account management
Quick online rentals and reservations
At Guard Dog Storage, we make it easy to find dependable self storage near your home, business, or campus in San Marcos, TX. With flexible month-to-month rentals, smart-unit security, and a mix of climate-controlled and drive-up spaces, finding the right fit is simple.
Convenient Location: Situated on Riverwalk Drive near Interstate 35, our facility is easy to reach from central San Marcos and nearby Kyle.
Climate-Controlled Protection: Temperature-stable units help safeguard furniture, electronics, documents, and other sensitive belongings year-round.
Drive-Up Convenience: Pull right up to your unit door to load and unload bulky or frequently accessed items with ease.
Smart-Unit Security: StorageDefender technology provides 24/7 monitoring and real-time alerts, no app required.
Flexible Terms: Month-to-month rentals mean no long-term commitment and the freedom to adjust as your needs change.
Move-In Made Easy: On-site packing supplies, moving truck rentals, and online rentals streamline the whole process.
Our climate-controlled units in San Marcos maintain a stable environment year-round, helping protect wooden and leather furniture, electronics, documents, and other temperature-sensitive items.
Drive-up units let you park directly at your door for fast loading and unloading. They are ideal for frequent access and larger, bulkier belongings.
Close to Texas State University, our student storage options keep belongings secure during the semester, between leases, or over summer break.
Guard Dog Storage is proud to serve the San Marcos community from our convenient location at 250 Riverwalk Drive. We support students, residents, and local businesses looking for flexible, secure space close to home.
Located near Texas State University and Interstate 35, our San Marcos storage facility is a go-to choice for students moving between leases, families decluttering, and businesses storing inventory. With Stokes Park, the San Marcos River, and the San Marcos Premium Outlets all close by, it is an easy stop whether you are running errands downtown or heading home to nearby Kyle.
From climate-controlled units to convenient drive-up access and smart-unit security, our facility is built around making storage simple. Proudly serving San Marcos, Kyle, and the surrounding Central Texas communities.
Looking for self storage beyond San Marcos? We operate additional storage locations across Texas. Our closest facilities are in the greater Houston area, a few hours east, listed below if your search takes you that direction.
Our Katy Ranch Road facility serves the west Houston area with flexible storage options and convenient access.
Located on FM 2977 southwest of Houston, this facility offers dependable storage for residents and local businesses.
Our Royal Oaks location on Westheimer Road provides convenient storage in west Houston for homes and businesses alike.
Our smart storage units use StorageDefender technology to provide 24/7 monitoring and real-time alerts. This adds an extra layer of security without requiring an app, helping you stay informed about your unit at all times.
Yes, we offer moving truck rentals in multiple sizes to help make your move easier. These trucks are ideal for transporting furniture, appliances, and other large items directly to your storage unit.
We offer a variety of packing supplies, including moving boxes, tape, locks, mattress covers, moving blankets, and packing paper to help you prepare and protect your belongings during storage or transport.
Yes. Our climate-controlled units maintain a stable temperature year-round, which helps reduce the risk of damage from heat and humidity. They are a good fit for furniture, electronics, documents, photographs, and other sensitive items.
Yes. Our location on Riverwalk Drive is convenient to Texas State University, making it a practical option for storing belongings during the semester, between leases, or over summer break.
Our San Marcos facility offers climate-controlled units, drive-up units, and student-friendly storage. All units are available on flexible month-to-month terms with no long-term commitment.
Guard Dog Storage | Riverwalk Drive
250 Riverwalk Drive
San Marcos, TX 78666
Our facility sits on Riverwalk Drive just off Interstate 35, making it easy to reach from Texas State University, downtown San Marcos, and nearby Kyle.
Access Hours: Daily, 6:00 AM - 9:00 PM