Self Storage & RV Storage Maple Valley, WA

Welcome to Maple Valley Mini Storage! We offer one of the largest indoor/outdoor secure self storage facilities in King County, WA. We offer storage solutions to meet a variety of storage needs including indoor storage units and convenient drive-up access units that allow you to pull your moving truck right up to the door for easy loading and unloading.

Boat Storage

Our outdoor storage spaces can also be used for boats, trailers and other vehicles up to 45’ in length. Our wide aisles will make it easy to get your boat in and out of your slip.

Secure Maple Valley Storage

We’ve incorporated a number of excellent security features including video surveillance, gated and fenced perimeter and our personal dedication to provide secure storage facilities to our clients.

Customer Focused Service

That’s not just lip-service. We care about making sure you have the best storage experience possible. Let us prove it.

Moving Trucks for Rent

Many times needing a storage means needing a moving truck. We have that too! We’re a one-stop shop where you can rent a moving truck on-site.

We’re Here to Help

Our storage experts are here to help you find the right solution for all your storage needs.

More Great Reasons to Choose Maple Valley Mini Storage

Drive Up Access Storage Units

Drive Up Access

All of our units are ground level, drive-up accessible, so you’ll be able to park your moving vehicle at the storage unit door for easy loading and unloading.

Moving Boxes & Supplies

Maple Valley Mini Storage also carries a complete line of moving boxes and packing supplies to keep your belongings protected while in transit and in storage. Our reinforced boxes range from small to large. We also carry specialty boxes for moving delicate items such as dishes, glasses, mirrors, and more. You may need packing supplies as well. We sell packing peanuts, bubble pack, packing tape, plastic wrap, and much more.

Rent Online

Find the perfect storage unit or RV space, fill in your information, sign your lease and head right to your new space. Whether you’re at home or on the go, the rental process can be done from any device.

Great Maple Valley, WA Location

We’re conveniently located on Maple Valley Black Diamond Rd SE (Hwy 169), just a half mile north of Kent Kangley Road.

Storage near Ravensdale, Covington, Hobart & Black Diamond

If you live in Ravensdale, Covington, Hobart, or Black Diamond, Maple Valley Mini Storage is conveniently close to you. We even have RV storage customers from as far away as Auburn and Renton!

Frequently Asked Questions – Maple Valley Mini Storage

Are there any sales on self-storage units in Maple Valley, WA?

Absolutely! At Maple Valley Mini Storage, we frequently offer exclusive sales and special promotions on our self-storage units. Take advantage of these discounts to meet your storage needs while enjoying excellent value for your money.

Where can I find drive-up storage units in Maple Valley, WA?

Look no further than Maple Valley Mini Storage for convenient drive-up storage units available in several sizes. Explore our rates and easily rent online by visiting

Where can I buy moving boxes in Maple Valley, WA?

Purchase all your moving boxes and packing supplies at Maple Valley Mini Storage. We offer a wide range of box sizes, including specialty boxes for fragile items like mirrors, glasses, lamps, dishes, and more. Our packing supplies include bubble wrap, packing tape, packing peanuts, plastic wrap, and more, ensuring a secure move.

Where can I store a car in Maple Valley, WA?

Maple Valley Mini Storage is the ideal solution for storing your classic car or daily driver. We offer various storage unit sizes to accommodate automobiles. Reserve or rent your space easily online at

Where can I find a moving truck for rent in Maple Valley, WA?

For your moving convenience, Maple Valley Mini Storage proudly serves as a U-Haul Neighborhood Dealer. To rent a moving truck, simply give us a call directly, or visit the U-Haul website to book your truck online.

About Us

Maple Valley Mini Storage is located at 26039 Maple Valley Black Diamond Rd SE in Maple Valley, WA. Are you ready to make room for life? Give us a call or visit us today!


(425) 432-7443