Self Storage Units in Centennial, CO

303 Self Storage at 6800 South Holly Circle

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The 303 Advantage

303 Self Storage is home to your ideal self storage unit and vehicle storage unit in Centennial, CO. Find your clean and safe self storage unit today right off E Arapahoe Rd!

Gate Access

For convenient access and excellent security

Interior Entry

Interior Entry

Online Payments

Rent or pay without leaving the comfort of your home

Clean & Safe

We offer clean and safe facilities for everyone

Climate Controlled

Preserve your belongings with temperature controlled units

Ground Floor Access

Prevent backbreaking from going up stairs by sticking to ground level access

Convenient Self Storage Units in Centennial, CO

Well-located, well-designed, and well-managed self storage units to fit your busy life. Let us help you choose a drive-up or climate-controlled self storage unit that is close to where you need it with our conveniently-located self storage facility in Centennial!

  • Across East Arapahoe Road from Holly Park & Tennis Center
  • Up the road from Willow Springs & Englewood Reservoir
  • Convenient to Olde Mill Condominiums, Homestead Apartments, and Holly Apartments
  • Just minutes from I-25 and South University Boulevard

About 303 Self Storage in Centennial, CO

Convenient self storage units in Centennial, CO

303 Self Storage serves the Centennial, CO, 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.

Whether you’re looking for the convenience of a drive-up self storage unit, the added advantages of a climate-controlled self storage unit, or storage space for a vehicle, we can help you at our facility! 

We are conveniently located for residents and businesses of the Centennial, CO, area and surrounding communities, thanks to our proximity to area highways.

No matter your reason for needing a self storage unit near Centennial and the greater Denver, CO, area, 303 Self Storage has a storage unit for you. Find yours today!

Flexible Storage Unit Options in Centennial, CO

We try to make finding the right self storage unit as easy and as reassuring as possible at 303 Self Storage. To do this, we make use of a variety of convenience and security features to improve your experience. 

From security cameras to secure gated access, you can rest easy knowing we care about the safety of your belongings. Combine these security features with convenient drive-up access, a great location, and lightning-fast online rentals, and you know you’re storing in the right place!

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.