RV, Boat & Vehicle Storage

At 4 Corners Self Storage, we offer uncovered RV, boat and vehicle storage in Maple Valley, Washington. When it comes to storing your boat, RV or extra vehicle, you want to ensure the safety of your investment. We've taken extra precaution at our facility by installing a state-of-the-art video surveillance system.

Our Maple Valley boat storage provides a clean place for you to store your water vessel between excursions on Lake Wilderness, Lake Sawyer and the Cedar River. If you're someone who prefers adventures outside of our beautiful community, we also provide uncovered RV storage.

4 Corners Self Storage offers both indoor and outdoor vehicle storage units in Maple Valley. If you're looking for indoor storage for a car, motorcycle, jet ski, trailer, 4-wheeler or other large vehicle or toy, we offer 10x10 and 10x15 units perfectly sized for your needs. If having a weather-resistant space isn't a necessity we also offer outdoor 10x15 and 10x20 spaces for vehicle storage.

When renting a parking space at 4 Corners Self Storage you can expect easy access to your unit for loading and unloading at times that work for you. Our friendly and knowledgeable on-site managers are here to answer any of your questions and provide you with an enviable customer service experience.

4 Corners Self Storage


24215 SE 271st Place Maple Valley, WA 98038


As a proud RV and/or boat owner, the Maple Valley area and the open road make your opportunities for adventure limitless. If you enjoy playing in nearby lakes and rivers or taking the RV out for a cross country excursion, your path is wide open. When you're not storing your adventure vehicle at 4 Corners Self Storage we suggest you explore these recreational destinations.


  • Lake Wilderness
  • Lake Sawyer
  • Lake Youngs
  • Cedar River
  • Lake Washington
  • Lake Sammamish
  • Cougar Mountain Regional Wildland Park
  • Tiger Mountain State Forest


  • Chester Morse Lake
  • Keechelus Lake
  • Little Kachess Lake
  • Cle Elum Lake
  • Mt. Rainier National Park
  • Wallowa National Forest
  • Mt. Hood National Forest
  • Tillamook State Forest

Storage Designed for Peace of Mind