Self Storage in Skagit County


Welcome to Strongbox Portable, your premier choice for self-storage solutions in the heart of Mount Vernon, WA. Whether you need extra space for personal or business items, we provide secure, water-tight, and flexible storage options tailored to your needs.

Starting from $125/month

Why Choose Strongbox Portable?

Water-Tight and Secure 

Our brand-new 8 x 20 shipping container storage units ensure your belongings stay dry and protected, regardless of the weather.

Flexible Storage Options 

Choose to store your items at our easily accessible Mount Vernon location or enjoy the convenience of having a Strongbox container delivered to your doorstep.

Competitive Pricing 

Our transparent pricing ensures peace of mind without breaking the bank. Store at our site for $180 per month, or keep the container at your location for just $125 per month.

Affordable and Transparent Pricing

 At Strongbox Portable, we pride ourselves on offering the best storage solutions at the most competitive rates. With clear pricing and no hidden fees, you can plan your storage needs with confidence.

  • $180/month – Store your items securely at our Mount Vernon location with easy access.
  • $125/month – Keep the container at your location for convenience and affordability.

Contact Us Today! 

Ready to simplify your storage? Contact us at or call 360-812-9008 to learn more or to reserve your storage container. At Strongbox Portable, we’re committed to providing you with secure, convenient, and affordable storage solutions.

Strongbox Portable – Self Storage in Skagit County

Secure, Convenient, and Affordable Storage Solutions. Starting from $125/month. Call Now: 360-812-9008

Explore our services, FAQ, and get in touch via our website. Secure your storage solution today!