West Coast Self-Storage
Columbia City
Storage Units Seattle
When you need Seattle self storage, why not select the very best? Our Columbia City storage facility was custom built with your storage needs in mind. Our building features gleaming, bright storage spaces in a variety of sizes to fit almost any need. We’re conveniently located at 3736 Rainier Ave S & 33rd Ave S in the Rainier Valley District of South East Seattle. If you live in the Dakota at Rainier Court Apartments across the street, we’re conveniently close.
Clean Seattle Storage
You can count our Columbia City storage units to be spotless and ready for your move-in. Our management team goes the extra mile to make sure your storage experience is of the highest quality.
Heated Self-Storage
Heated storage units help protect your belongings from the Seattle temperature swings which can damage sensitive items. Plus our covered loading and unloading area keeps you out of the elements, making for a comfortable move.
Storage Security
Mini storage should equal safe storage. To that end, we’ve invested heavily in high-tech electronic security equipment, with things like fingerprint scanners, electronic gate, and 24-hour, digital video observation cameras. Top it off with a high security cylinder lock on your door and you can rest easy knowing that you’re in good hands.
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 West Coast Self-Storage
Covered Loading Area
When you live in the Pacific Northwest, rain (and sometimes snow) just comes with the territory. That’s why West Coast Self-Storage Columbia City incorporated a covered loading and unloading area into our design. You’ll be dry and comfortable as you move in and out of your storage unit.
Moving Boxes & Supplies
West Coast Self-Storage Columbia City 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 wrap, packing tape, plastic wrap, and much more.
Rent Online
Find the perfect storage unit, 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.
Storage Near Mount Baker, Beacon Hill & New Holly
If you live in the area and have outgrown the garage or just need a long-term storage solution that gives you more living space, renting a storage unit gives you the room you need. If you’re a local company and need business storage, we’re close by, making easy for you to drop by and pickup/drop-off items as needed.
Long Access Hours
We know how important it is to be able to access your storage items when you need to. That’s why we offer long access hours from 6 a.m. until 10 p.m. 7 days a week 365 days a year.
Moving Boxes & Packing Supplies
We carry everything you’ll need to get packed up and ready for your move. From boxes to mattress covers, we have it all.
Moving Truck Rental
West Coast Self-Storage Columbia City is an authorized U Haul Neighborhood Dealer in Seattle, which means you can get your move done in one convenient place without the worries of having to drive all over town to pick up and drop off a truck. If you’re moving soon, read our article 10 Tips for Moving, which can make the process go more smoothly.
Frequently Asked Questions 3736 Rainier Ave South

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About Us
West Coast Self-Storage Columbia City is located at 3736 Rainier Ave South in Seattle, WA. Are you ready to make room for life? Give us a call or visit us today!
Office Hours
Access Hours
Property Features
- Heated Storage Units
- Secure Digital Access
- 24-Hour Security Video
- Moving Boxes & Packing Supplies
- Clean Well-Lit Facility
- Secure Online Payment
- Moving Truck Rental