Hot Summer Savings Up To 50% Off + FREE 1st Month Rent!*

Hot Summer Savings Up To 50% Off + FREE 1st Month Rent!*

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Storage Units at 6800 S Holly Circle Centennial, CO 80112

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Office Hours We are available by phone to answer questions, reserve/rent units or help manage your account.
Call anytime from 6am—10pm!

Wed 9:30 AM - 6:00 PM
Mon 9:30 AM - 6:00 PM
Tue 9:30 AM - 6:00 PM
Wed 9:30 AM - 6:00 PM
Thu 9:30 AM - 6:00 PM
Fri 9:30 AM - 6:00 PM
Sat 9:00 AM - 4:00 PM
Sun 10:00 AM - 2:00 PM
No Appointment Necessary

Gate Access Hours

Wed 6:00 AM - 10:00 PM
Mon 6:00 AM - 10:00 PM
Tue 6:00 AM - 10:00 PM
Wed 6:00 AM - 10:00 PM
Thu 6:00 AM - 10:00 PM
Fri 6:00 AM - 10:00 PM
Sat 6:00 AM - 10:00 PM
Sun 6:00 AM - 10:00 PM

Rental and Support

Wed 6:00 AM - 10:00 PM
Sun 6:00 AM - 10:00 PM
Mon 6:00 AM - 10:00 PM
Tue 6:00 AM - 10:00 PM
Wed 6:00 AM - 10:00 PM
Thu 6:00 AM - 10:00 PM
Fri 6:00 AM - 10:00 PM
Sat 6:00 AM - 10:00 PM

About

303 Self Storage, managed by SmartStop, in Centennial Colorado has a variety of the best affordable storage options for customers to choose from. We proudly serve Centennial market, and the surrounding communities of Greenwood Village, Castlewood, Southglenn, Northridge, Cherry Knolls, Cherry Creek,  Acres Green, Willow Creek and many more!

 

Located conveniently just west of Interstate 25 at E Arapahoe Rd and S Holly St on S Holly Circle, 303 Self Storage offers drive-up storage, climate control storage units and uncovered vehicle parking to provide you with the type of storage to fit you needs. Whether you are moving to the area, downsizing your home, or just making space, 303 Self Storage is here to take the stress off of your shoulders.

 

303 Self Storage offers storage amenities such as electric gate access and state-of-the-art security to keep your belongings safe and secure. Take advantage of our great move-in promotions and checkout online today! 

Resources

Moving Tips and Guide

Moving can be difficult. You have to plan, organize, disassemble, and pack. Then you have to unpack, reassemble your stuff and find a place for everything. Check out our Moving Tips Guide to help make your next move easier to manage.

Storage Unit Features

Whether protecting precious valuables, household appliances, storing seasonal clothing and sports equipment, or even storing an RV or other vehicle, SmartStop has the storage unit amenities to meet all your needs. Check out our Unit Features.

In-Store Moving Supplies

Having proper packing supplies when moving or storing is a must! SmartStop Self Storage has a full range of moving supplies to meet your needs. Whether you need boxes, packing tape, bubble pack or even a mattress cover we have what you need to properly protect your personal belongings. Need moving supplies? SmartStop is the smarter way to pack!

Looking for Other Storage Types?

SmartStop offers self-storage solutions for all your needs. We can handle RV, boat or car storage as well as solutions for your business needs. Students? We have self storage for your summer break. We even offer office space to accommodate your growing business.
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*Promos/Discounts valid on select units for limited time. Savings reflected in rates.

 

Storage Unit Size Guide
Small Units
These units are about the size of a hall closet or a half bathroom. Whether you are storing a few boxes or furnishings from a small room, our small units will work great for you. These units also work well to store items for sports or hobbies like hockey or surfing.
Small Sized Units
5' x 5
About The 5' x 5 Unit Size

5' x 5' - like a hall closet or half bathroom. You can fit small furniture, chests of drawers, small mattress sets, boxes.

5' x 10'
About The 5' x 10' Unit Size

5' x 10' - like a walk-in closet. You can fit studio apt or small bedroom furnishings, mattress set, dining room.

5' x 15'
About The 5' x 15' Unit Size

5' x 15' - like a large walk-in closet. You can fit 1 bedroom apt furnishings, desk, patio furniture, washer and dryer stacked.

Medium Units
These units are ideal for storing bedroom furnishings or household appliances. Comparable to the size of a large walk-in closet or small bedroom, you can fit an assortment of office equipment like a swivel chair and desk or kitchen appliances such as a refrigerator.
Medium Sized Units
10' x 10'
About The 10' x 10' Unit Size

10' x 10' - like a small bedroom. You can fit 1-2 bedroom apt furnishings, refrigerator, large appliances, canoes, sofas.

10' x 15'
About The 10' x 15' Unit Size

10' x 15' - like a small office. You can fit 1-2 bedroom apt furnishings, business desks, cabinets, large printers, chairs, sofas.

Large Units
Approximately the size of a large bedroom or one-car garage, large units can store multiple rooms of home furnishings, major appliances, or even a vehicle. From bed frames and sofas to washers and dryers to a boat or car, large units can best fit the needs of those who require big storage.
Large Sized Units
10' x 20'
About The 10' x 20' Unit Size

10' x 20' - like a large bedroom. You can fit 1-2 bedroom home furnishings, refrigerator, large appliances, canoes, sofas. It can also hold a small car, boat, or truck.

10' x 25'
About The 10' x 25' Unit Size

10' x 25' - A large one-car garage. You can fit 3 or 4 bedroom home furnishings, refrigerator, large appliances, canoes, sofas. It can also hold a small car, boat, or truck.

10' x 30'
About The 10' x 30' Unit Size

10' x 30' - Extra long one car garage. You can fit 4 bedroom home furnishings, refrigerator, large appliances, canoes, sofas, bedroom sets, dressers. It can also hold a car, boat, or truck.