Office Hours
| Sunday | Closed |
| Monday - Friday | 9:30 AM - 5:30 PM |
| Saturday | 9:30 AM - 4:00 PM |
Access Hours
| Sunday - Saturday | 6:00 AM - 10:00 PM |
Facility Amenities
Temperature Controlled
Boxes & Supplies
RV, Car, and Boat Parking
Dollies/Handcarts
Ground Floor
Online Bill Pay
Resident Manager
RV, Car, and Boat Parking
Security Camera
Interior Storage
Fenced & Gated
Drive-up Access
Owasso, OK Storage Units
Keep your belongings in the best condition possible with Attic Storage @ 20’s climate-controlled storage units. A drive up self storage facility located in Collinsville, OK 74021. Whether you’re storing important documents, wine, or collectibles, our state-of-the-art units will keep them cool and dry all year round. Our prices are the most affordable in Owasso, Ok and our customer service is second to none. Are you ready to get organized? Start storing with us today!
Why Choose Attic Storage @ 20?
- Veteran Owned
- Drive-Up Accessible Units
- 24-Hour Digital Video Surveillance
- Boat / RV / Vehicle Parking
- Covered Parking Spaces
- Shipping Services Available
- Moving Carts & Dollies
- Boxes & Supplies For Purchase
Check Out What Our Customers Are Saying
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Dennis Rice on 04/15/2023
Joy is a real salt of the earth human. The units are super clean,safe & under 24/7/365 surveillance. As well as late entry they live on site as well. Best people& place. So happy with their services.“
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Mike Farris on 03/01/2023
It is always a pleasure to go into the office and to do business with Joy. She does a great job.“
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Dalton Inman on 02/23/2023
Second time renting a climate control unit here and never had any issues. Online payment is easy to navigate and can pay several months at a time if you’d prefer. Very secure with lights and cameras all over. Joy was a pleasure to work with in the front office.Self Storage Close to You
Make a quick and easy trip to Attic Storage @ 20 in Owasso on 116th ST N Highway 20 and find all the answers to your self storage problems. Only an 8-minute drive from downtown Tulsa via US-169 N, our facility is also the favorite destination throughout Collinsville, Claremore, Oologah, Morrow Creek, and Lake Valley.
From downtown Owasso, OK:
- Head south on N Main St towards E 3rd St
- Turn left onto OK-135 E/E 2nd Ave/E 76th St N
- Pass by KFC (on the right)
- Turn left to merge onto US-169 N
- Exit onto OK-20 E
- Attic Storage @ 20 will be on the right
From Collinsville, OK:
- Head east on W Main St towards N 11th St
- Continue onto E 146th St N
- Turn right to merge onto OK-20 E/US-169 S
- Take the exit towards OK-20 E
- Turn left onto OK-20 E
- Attic Storage @ 20 will be on the right
From Lake Valley, OK:
- Head northwest towards North 149th East Avenue
- Turn right onto N 145th Ave E/N4040 Rd
- Turn right onto OK-20 E
- Attic Storage @ 20 will be on the right
From Claremore, OK:
- Head southwest on S Lynn Riggs Blvd/U.S. Rte 66 towards N Lynn Riggs Blvd/U.S. Rte 66
- Turn right towards S J M Davis Blvd
- Turn right onto S J M Davis Blvd
- Turn left onto Archer Dr
- Continue onto E 490 Rd/Holly Rd
- Continue to follow E 490 Rd
- Continue onto OK-20 W
- Attic Storage @ 20 will be on the left