Extra Space Storage at 21892 Cobalt Ave

4.8
    Call our Storage Experts
    Storage Experts Available
    Mon-Fri: 04:00am-11:00pm
    Sat: 04:00am-11:00pm
    Sun: 04:00am-11:00pm
  • New Customer: 
  • Current Customer: (208) 563-6133

Today's Hours

Rental & Support:6:00 AM - 10:00 PM
Access:6:00 AM - 10:00 PM
Office:9:30 AM - 6:00 PM
24/7 Access
With upgrade
4.8

Extra Space Storage at 21892 Cobalt Ave

Call our Storage Experts
Storage Experts Available
Mon-Fri: 04:00am-11:00pm
Sat: 04:00am-11:00pm
Sun: 04:00am-11:00pm

Today's Hours

Rental & Support:6:00 AM - 10:00 PM
Access:6:00 AM - 10:00 PM
Office:9:30 AM - 6:00 PM
24/7 Access
With upgrade
Select a Unit Below
‌
‌

Locker

Great for boxes, seasonal decor, and personal items

No locker units are currently available at this location.Find locker Units Nearby

Small Storage

Ideal for studios and 1-bedroom apartments

Small
5' x 10'
  • Drive-Up Access
IN STORE
$68
WEB RATE
$43

ACT FAST: 1 LEFT!

Small
5' x 12'
  • Drive-Up Access
IN STORE
$77
WEB RATE
$48

LIMITED UNITS

Medium Storage

Ideal for 1-2 bedroom apartments, condos, and small homes

Medium
10' x 12'
  • Drive-Up Access
IN STORE
$115
WEB RATE
$63

ACT FAST: 1 LEFT!

Medium
10' x 15'
  • Drive-Up Access
IN STORE
$114
WEB RATE
$62

Flash Sale!*

Large Storage

Ideal for 3+ bedroom homes, full furniture sets, and large appliances

Large
10' x 20'
  • Drive-Up Access
  • Enclosed Vehicle Storage
IN STORE
$150
WEB RATE
$92

Flash Sale!*

Large
10' x 23'
  • Drive-Up Access
  • Enclosed Vehicle Storage
WEB RATE
$330

LIMITED UNITS

Large
10' x 25'
  • Drive-Up Access
  • Enclosed Vehicle Storage
IN STORE
$211
WEB RATE
$129

ACT FAST: 1 LEFT!

Vehicle Storage

Great for cars, boats, RVs, and other vehicles

Large
10' x 20'
  • Drive-Up Access
  • Enclosed Vehicle Storage
IN STORE
$150
WEB RATE
$92

Flash Sale!*

Large
10' x 23'
  • Drive-Up Access
  • Enclosed Vehicle Storage
WEB RATE
$330

LIMITED UNITS

Large
10' x 25'
  • Drive-Up Access
  • Enclosed Vehicle Storage
IN STORE
$211
WEB RATE
$129

ACT FAST: 1 LEFT!

Parking
10' x 40'
  • Outdoor Parking
  • RV Covered Parking
IN STORE
$197
WEB RATE
$110

LIMITED UNITS

Units Available Nearby

5' x 5'

Available now at 5100 N Dyver Ave, Meridian, ID 83646 starting at $33/mo

Available Nearby

10' x 10'

Available now at 78 S Middleton Rd, Nampa, ID 83651 starting at $108/mo

Available Nearby

8' x 15'

Available now at 430 N Broadmore Way, Nampa, ID 83687 starting at $68/mo

Available Nearby

Nearby Locations

EXPLORE NEARBY LOCATIONS

About Our Caldwell, ID Location

Our 21892 Cobalt Ave storage facility in Caldwell serves families throughout the Treasure Valley corridor near Bass Ln and Middleton Rd, offering practical space solutions for seasonal gear, sports equipment, and household overflow as your family grows.

  • A convenient storage option for homeowners throughout Caldwell (83605) and the surrounding area, with unit sizes built for growing families.

  • Also serving residents of Middleton (83644), with flexible storage options for families looking for affordable, accessible space close to home

  • Located approximately 3.5 miles from I-84, making it easy for families across the Caldwell and Middleton corridor

  • Residents and renters of Mill Creek Apartments and other communities can find affordable storage units in Caldwell at this facility

Available Storage Unit Sizes

Our Cobalt Ave storage facility has a wide selection of unit sizes available! We have units as small as 5x10 and as large as 12x30 with unit features like drive-up access.

Drive-Up Storage Units

If you want a more convenient self storage solution, rent a drive-up unit! With drive-up access, you can pull a vehicle directly up to your unit, making the unloading and loading process a breeze!

Indoor & Covered Vehicle Storage

Looking for secure vehicle storage in Caldwell? Extra Space Storage has what you need! We offer drive-up storage units, as well as large covered outdoor parking spaces for vehicles of all sizes!

Exceptional Security Features

We work hard to keep your belongings as protected as possible. That's why our Caldwell storage facility utilizes advanced security features like electronic gate access and video surveillance.

Other Amenities & Services

  • Extended access hours are standard with 24/7 access available - ask site manager for details

  • Wide-drive aisles to accommodate large moving trucks

  • Gate access on Sundays

  • Convenient freeway access

  • On-site office

  • Deliveries accepted

  • Military discounts

Cheap Storage Units in Caldwell

Looking for affordable self storage in Caldwell? Extra Space Storage has the solutions you need. We offer cheap self storage near you for as low as $43 per month, with move-in deals like first month free and first month half-off at select facilities. Contact our expert team at 21892 Cobalt Ave for current move-in deals and rent your unit today!

The Self Storage Partner You Can Trust

Extra Space Storage is committed to providing customers with high-quality self storage and exceptional service. We maintain a clean, secure facility at all times, and our friendly team is happy to help you. Contact us today to reserve a storage unit in Caldwell!

Company

Employees: 1-10

Payment Options: MasterCard / VISA / American Express / Discover / Check / Cash / Invoice

Established Date: 1977

Site Number: 7818

Phone Number:(208) 563-6111

Hours

Rental & Support

  • Monday: 6:00 AM - 10:00 PM
  • Tuesday: 6:00 AM - 10:00 PM
  • Wednesday: 6:00 AM - 10:00 PM
  • Thursday: 6:00 AM - 10:00 PM
  • Friday: 6:00 AM - 10:00 PM
  • Saturday: 6:00 AM - 10:00 PM
  • Sunday: 6:00 AM - 10:00 PM

Access

  • Monday:6:00 AM - 10:00 PM
  • Tuesday:6:00 AM - 10:00 PM
  • Wednesday:6:00 AM - 10:00 PM
  • Thursday:6:00 AM - 10:00 PM
  • Friday:6:00 AM - 10:00 PM
  • Saturday:6:00 AM - 10:00 PM
  • Sunday:6:00 AM - 10:00 PM

Office

  • Monday:9:30 AM - 6:00 PM
  • Tuesday:9:30 AM - 6:00 PM
  • Wednesday:9:30 AM - 6:00 PM
  • Thursday:9:30 AM - 6:00 PM
  • Friday:9:30 AM - 6:00 PM
  • Saturday:9:00 AM - 5:30 PM
  • Sunday:Closed

Directions

Intersections/Landmarks

Middleton Rd and Bass Ln

Directions from the North

Drive south on Middleton Rd. Pass the Boise River and continue south. Turn right onto Bass Ln. Turn left onto Cobalt Ave. Our facility will be on your left.

Directions from the South

Drive north on Middleton Rd. Pass US-26 and continue north. Turn left onto Bass Ln. Turn left onto Cobalt Ave. Our facility will be on your left.

Directions from the East

Drive west on SH-44. Turn left onto Middleton Rd. Pass the Boise River and continue south. Turn right onto Bass Ln. Turn left onto Cobalt Ave. Our facility will be on your left.

Directions from the West

Drive east on SH-44. Turn right onto Middleton Rd. Pass the Boise River and continue south. Turn right onto Bass Ln. Turn left onto Cobalt Ave. Our facility will be on your left.

*Promotional Terms & Conditions and Size Disclaimer

Reviews

4.7 stars

251 Reviews
5 stars228
4 stars6
3 stars2
2 stars5
1 star10
Showing 3 of 251

steve

November 1, 2026

We received excellent customer service from Extra Space storage and the site is clean and fairly new and was able to accommodate us with the size of unit we needed.

Thank you, Steve, for sharing your experience. We are glad our team provided helpful service and that our clean facility could accommodate your storage needs.

Extra Space Storage (11/1/2026)

Google IconGoogle Review

Michael

October 19, 2026

They've been great and easy to work with.

Thank you for the excellent rating, Michael! Don't hesitate to reach out if you need anything!

Extra Space Storage (5/6/2026)

Google IconGoogle Review

Jessica

October 19, 2026

We have had nothing but a great experience while using Extra Space Storage. The facility is kept clean and the staff has always been kind and helpful.

Jessica, thank you for sharing your experience with us. We are glad to hear that you have had such a positive experience and that our clean facility and helpful team have met your expectations.

Extra Space Storage (10/19/2026)

Google IconGoogle Review

*savings reflected in rates.