Self-Storage FacilityPublic StorageMoving Supply Store
Store your belongings at Extra Space Storage on 1500 Prospect Rd in Lake St Louis, MO today! Our large selection of storage units, exceptional security, multiple entrance/exit gates, wide drive isles, loading dock 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!
Renting a storage locker at ExtraStorage Space location 1500 Prospect Road, Lake St Louis, Missouri has been agreat experience. The facility is always clean, well kept, and secure. It is run by a friendly and knowledgeable staff who are easy-going and always helpful. Staff are on-site everyday but Sunday, and Access Hours are everyday from 6:00AM to 10:00PM via secure code.
I would heartily recommend this location for those needing either short- or long-term storage.
LN
Layne Noren
Feb 27, 2026
5.0
Great experience so far. Representative onsite was very helpful.
JS
Jackie Sanders
Jan 30, 2026
5.0
Melissa and Jenny were amazing! They helped me do a transfer, made sure I had the best deal!! Facility was very clean and welcoming. If you need a storage unit this is your place.
RJ
Rebecca Johnston
Jan 2, 2026
1.0
No one is there at the office to be able to rent a unit. I have been trying to rent a unit for the past week and half and no one is there every time I stop by. When I call corporate they say they should be open.
TJ
Tabetha Jane
Dec 26, 2025
5.0
Friendly staff, clean new building, reasonably priced units..
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.
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