Need storage in Olathe KS? Visit StorageMart at 1285 Dennis Ave or call 913.782.7803. First month free on select units, get instant quotes online today! Come see us for all of your self storage needs. Our promise is to provide clean self storage facilities and grounds, fast customer service solutions, and an easy signup and rental process for all of our customers. We want to simplify your life by taking the hassle out of renting storage in Olathe KS. Our experienced staff will help you get set up with a drive-up or indoor self storage unit that will meet your needs. And come back and access your unit during our gate hours between 6am and 10 pm.