Rainier Mini Storage

Self-Storage in Rainier, WA 98576

Rent your unit online SO EASILY! Moving from out of the area? Not able to make it in to fill out paperwork? We make it easy - renting online through our site is simple!

FREE disc lock included with your storage unit rental!

Simply pick a unit here on our website, fill out your information, and fill your unit. DONE! 

Our self storage facility features 24-hour digital video surveillance, tenants onsite for security presence, and the facility is open 24 hours a day, 7 days a week! 

We have secure online payments with the option for autopay!

Book online or give us a call today! 

Our offsite office is available 7 days a week, 8AM-8PM to answer all of your questions. Management onsite available by appointment. 

ADA accessible units

Renting A Storage Unit Is Easy!

Select Your Storage Unit

Create Account, Enter Billing Info, Review & Confirm

Fill Your Unit! Free Lock Included!

Why Use Rainier Mini Storage? All the Convenience and Security You Need!

Digital Video Surveillance
24-hour Access
Drive-Up Door Access
Variety of Unit Sizes Available
Security Lighting
Credit Card Payments
Online Bill Pay
And Much More!

Our Promise to You


We take the security of your property seriously, and our SSL secure website protects your personal information.

Customer Service

We commit to providing you a clean, ready-to-rent unit and friendly, helpful employees.


Access your account from the convenience of your own home, 24 hours a day and 7 days a week.