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  • On-Site
    Manager

  • Gated Facility with
    Keypad Access

  • Many Storage
    Spaces & Sizes

  • Easy US-2
    Access

  • RV & Boat
    Parking

  • Video
    Cameras

  • Boxes and Moving
    Supplies

  • Extended
    Access Hours

  • U-Haul
    Dealer

SMALL

Starting At
$62
SEE UNITS

MEDIUM

Starting At
$155
SEE UNITS

LARGE

Starting At
$196
SEE UNITS

ABOUT US

At Mountainside Storage we have a solution for reorganizing your life, without having to part with the things you want to keep forever. Our affordable self-storage facility in Sultan, WA offers customers like you simple and convenient storage options you will feel great about.

Unlike other self storage facilities, at Mountainside Storage you'll have the peace of mind of being able to access your items at any time. Whether you're looking to store a few small items or an entire household, Mountainside Storage offers many different storage units to choose from, and our flexible lease agreement gives you the freedom to only stay as long as you want to.

WE ARE NOW
OFFERING ON-SITE
U-HAUL RENTAL TRUCKS!

  • FAQs
  • STORAGE TIPS
  • CONTACT

HAVE QUESTIONS?

View our FAQs page for answers to all our frequently asked questions.

FAQs

NEW TO STORAGE?

View our Storage Tips page for ways to get the most out of your unit.

STORAGE TIPS

CONTACT US!

Want more information? Visit our contact page to send us a message.

CONTACT

WHERE WE’RE LOCATED

FACILITY ADDRESS:

33329 US-2
Sultan, WA 98294

PHONE NUMBER:

(360) 799-3801

OFFICE HOURS:

Daily: 9am - 5pm

GATE HOURS:

Daily: 7am – 10pm