Store your belongings at Extra Space Storage on 3939 Mexico Rd in St Peters, MO today! Our large selection of storage units, drive up access, drive up units, climate controlled units, electronic gate access, manager living on site, exceptional security, ADA compliant, deliveries accepted, multiple entrance/exit gates, non climate controlled units available, parking spaces, elevator access, golf carts available, kiosk, vehicles are allowed in drive-up units, loading dock, convenient freeway access and helpful staff make finding the right self storage unit for you easy and hassle-free. Experience the professionalism, cleanliness, and commitment to exceptional customer service that Extra Space Storage is known for. Contact us today to reserve your storage unit or set up a time to stop by and take a tour of our facility!
Staff, particularly Jenny, received high praise for being friendly, helpful, and professional throughout the rental process.
Cleanliness
The storage facility is consistently noted for being clean and well-maintained, contributing to a positive customer experience.
Accessibility
Customers appreciated the easy access to their storage units and the convenience of online payment options.
Security
The facility's security measures were highlighted as excellent, providing peace of mind for customers storing their belongings.
Overall Experience
Many customers expressed satisfaction with their overall experience, recommending the facility for its service and quality.
MJ
Michelle J
1 day ago
5.0
Jenny was extremely helpful, professional, even without her glasses she was still able to guide me through it all. Jenny you Rocky!
DR
Dennis Reidenbach
2 days ago
5.0
The store manager, Jenny Pinkston, has been very helpful in determining next actions upon my friend’s recent death. Thank you.
ZL
Zachary Lucas
Nov 13, 2025
5.0
Jenny was very professional and courteous and had a happy disposition.
RP
Robin Pilcher
Nov 4, 2025
5.0
Jenny and Zach were very professional, friendly and knowledgeable. They assisted me with getting the information needed to get the much needed storage unit. Great service!
RI
RISE IMPACT
Oct 28, 2025
5.0
I had an amazing time visiting Jenny the store manager over at this location. Y’all let me tell you they have given me 10 X 10 X 10 X service each and every year that I come back clean storage units they walk through their application set up and they take electronic payments. You need to use Extra Storage today chosen by Rise impact
Frequently Asked Questions About Extra Space Storage
What storage unit size do I need?
The best way to determine which storage option is right for you is with our helpful Storage Unit Size Guide! It will help you estimate how many boxes and non-packed items, such as furniture and appliances, you can fit into each storage unit.
What type of storage unit do I need?
Many factors determine your best storage solution. Do you want the convenience of a ground-floor unit? Do your belongings need climate control? What about vehicle storage? We have online resources to help you explore these options to find your ideal storage unit.
What are your storage unit prices?
Monthly rates can be found online and vary by facility, unit size, features, and local market. Please use our site search tools to find pricing at a facility near you.
What's the difference between office, access, and gate hours?
The office hours are the hours of operation for the property. During these hours the Store Manager will be available to assist you with your storage needs or moving and packing supplies. The gate hours are the hours of the property, and when your unit can be accessed.
Can I buy boxes or other packing products from Extra Space Storage?
Extra Space Storage offers a variety of moving and packing supplies online and at local facilities for purchase.
What areas does Extra Space Storage serve?
Extra Space Storage serves St Peters residents.
What is the closest intersection to Extra Space Storage?
Extra Space Storage is located near the intersection of Muegge Rd & Mexico Rd.
Do you have drive-up storage units?
Yes! Whether you’re moving, storing a vehicle, or using commercial storage, drive-up access is one of the best storage features available at Extra Space Storage! Because you can pull a vehicle right up to your unit, it makes moving large, heavy items—like furniture or equipment—in and out of your unit much easier.
Do you offer climate-controlled storage units?
Most Extra Space Storage facilities offer climate-controlled storage units as an option for anyone storing temperature sensitive items, but there are also standard storage units that don’t include climate control.
Do you offer car storage solutions?
Yes, self storage is a great option for both short-term and long-term car storage! We offer indoor storage, outdoor storage, and even covered vehicle storage space for cars.
What are the operating hours of Extra Space Storage in St Peters?
Extra Space Storage is open daily from 6:00 AM to 10:00 PM, including weekends.
Does Extra Space Storage offer climate-controlled units?
Yes, climate-controlled storage units are available to protect temperature-sensitive belongings.
Can I access my storage unit with a vehicle at Extra Space Storage?
Yes, drive-up access and vehicle storage options are available, including indoor, outdoor, and covered spaces for cars.
Are packing and moving supplies available at Extra Space Storage?
Yes, a variety of moving and packing supplies, including boxes, are available for purchase online and at the facility.
What payment methods does Extra Space Storage accept?
They accept American Express, Apple Pay, Cash, Check, Discover, Mastercard, and Visa.
How can I reserve a storage unit at Extra Space Storage?
You can reserve a unit online through their website at https://www.extraspace.com/storage/facilities/us/missouri/st_peters/3362/
Where is Extra Space Storage located in St Peters?
Extra Space Storage is located at 3939 Mexico Rd, near the intersection of Muegge Rd and Mexico Rd in St Peters, MO 63376.
What are some nearby restaurants customers can visit before or after their storage visit?
Steak 'n Shake, Wendy's, and Culver's are nearby options for dining conveniently before or after storing your belongings.
Are there nearby places of worship near Extra Space Storage for visitors interested in attending services?
Yes, Abide College Ministry, The Cube, and Relevant Christian Church are nearby religious organizations that customers might visit.
If I need urgent medical care while visiting Extra Space Storage, where can I go nearby?
Total Access Urgent Care is close by for emergency or urgent medical services during your visit.