Storage Units A Spring Valley Storage rental agreement is always calendar month-to-month. Think of renting a storage unit as a temporary, off-site addition to your home or business. Whether you are selling, buying, moving or building a home or business, Spring Valley Storage has the unit(s) for you. If you need extra space for furniture storage, office files, equipment or vehicle (car, motorcycle, RV, boat, etc) storage, it's simply a matter of picking the right space and renting it by the month. So come and check our competitive rates and let our helpful staff assist you until your storage needs are history.