Self Storage Units in Denver, CO

303 Self Storage at 5885 West Colfax Avenue

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The 303 Advantage

Make the right choice for your self storage unit rental experience with 303 Self Storage. We have the self storage unit you’re looking for in Denver!

Clean & Safe

We offer clean and safe facilities for everyone

Climate Controlled

Preserve your belongings with temperature controlled units

Drive-up Storage Units

Cut down on moving time and back pain by unloading right by your unit

Interior Entry

Interior Entry

Excellent Customer Service

You are our number one priority, and we want you to know it

Ease of Access

Getting in and out of your unit is as easy as 1 2 3

Convenient Self Storage Units

At 303 Self Storage, we strive to make your life easier with convenient self storage units in Denver, CO. Find your self storage unit to start enjoying peace of mind.

  • Free move-in trucks available
  • Convenient to Sloan's Lake and Edgewater Areas
  • Flexible access hours
  • Multiple self storage unit sizes and types

About 303 Storage - Colfax

Secure self storage units in Denver, CO

303 Self Storage serves the Denver area with secure self storage units in a variety of sizes and types. Our goal is to deliver the self storage units our neighbors in the 303 area deserve at competitive prices.

Save yourself the hassle and find your ideal self storage unit with 303 Self Storage of Colfax now!

Flexible Storage Unit Options in Colfax

Life is stressful enough; renting storage doesn’t have to be. This is why 303 Self Storage - Colfax offers clean and safe, climate-controlled self storage units, drive-up storage units, interior entry.

Whether you need storage while moving, decluttering or remodeling, extra space for seasonal items, or more space for a growing business, we have a solution for you.

Common questions

Our friendly staff has put together a list of answers to our most Frequently Asked Questions (FAQs)
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What is self storage and how does it work?

Renting a storage unit is a great solution to clear up some much-needed space at home or to hold much needed business items. All of our storage facilities offer clean, secure storage solutions at affordable prices.

How much does self storage cost?

Our rates vary between unit sizes and type of storage. For more information about our pricing, check out our rates page.

Please contact us if you have any additional questions about renting a unit.

Are there any items that I am NOT able to store?

Liquids, explosives, flammable liquids, toxic materials, and perishables. Please contact us if you have any questions regarding a specific item.

What is the best way to pack a unit?

Larger and more infrequently used items should go in the back of the unit. Remember to keep a walkway in the center of your unit to more easily access items. Always keep items labeled and a list of items stored, even a photo on the outside of each box will allow you to "see" what's inside.

For other helpful packing and organizing tips, check out our storage tips page.