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:Closed
24/7 Access
With upgrade
Nearby Locations
4.8

Caldwell Self 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:Closed
24/7 Access
With upgrade
Select a Unit Below
Small
5' x 10'
  • Drive-Up Access
IN STORE
$65
WEB RATE
$41
Small
5' x 12'
  • Drive-Up Access
IN STORE
$73
WEB RATE
$46

ACT FAST: 1 LEFT!

Medium
10' x 15'
  • Drive-Up Access
IN STORE
$140
WEB RATE
$88
Large
10' x 20'
  • Drive-Up Access
  • Enclosed Vehicle Storage
IN STORE
$184
WEB RATE
$124

ACT FAST: 1 LEFT!

Large
10' x 20'
  • Drive-Up Access
  • Enclosed Vehicle Storage
IN STORE
$184
WEB RATE
$124

ACT FAST: 1 LEFT!

Large
10' x 25'
  • Drive-Up Access
  • Enclosed Vehicle Storage
IN STORE
$217
WEB RATE
$147

LIMITED UNITS

Large
10' x 25'
  • Drive-Up Access
  • Enclosed Vehicle Storage
IN STORE
$217
WEB RATE
$147

LIMITED UNITS

Large
20' x 15'
  • Drive-Up Access
  • Multi-Door Unit
IN STORE
$254
WEB RATE
$172

ACT FAST: 1 LEFT!

Large
10' x 40'
  • Outdoor Parking
  • RV Covered Parking
IN STORE
$210
WEB RATE
$135

LIMITED UNITS

Large
20' x 40'
  • Outdoor Parking
  • RV Covered Parking
IN STORE
$342
WEB RATE
$233

ACT FAST: 1 LEFT!

Units Available Nearby

5' x 5'

Available now at 5100 N Dyver Ave, Meridian, ID 83646 starting at $43/mo

Available Nearby

10' x 10'

Available now at 430 N Broadmore Way, Nampa, ID 83687 starting at $65/mo

Available Nearby

8' x 15'

Available now at 430 N Broadmore Way, Nampa, ID 83687 starting at $56/mo

Available Nearby

12' x 30'

Available now at 78 S Middleton Rd, Nampa, ID 83651 starting at $94/mo

Available Nearby

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 $41 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

241 Reviews
5 stars220
4 stars5
3 stars1
2 stars5
1 star10
Showing 3 of 241

Patrick

June 30, 2026

The process was quick and easy. The staff was relaxed,fun,and professional.

Thank you for your review, Patrick! Glad the process was quick and easy, and our staff made it fun and professional.

Extra Space Storage (6/30/2026)

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Teri

June 25, 2026

Chelsea was always so accommodating and very nice! She does her job well! Would definitely rent a storage unit in Middleton.

Thank you for taking the time to share this, Teri! Chelsea's accommodating nature and dedication are truly valued. We're glad your Middleton experience was a great one!

Extra Space Storage (6/25/2026)

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Kent

June 19, 2026

I needed a place to store some things as we were relocating from out of state. The whole process was simple to set up and I had it reserved in a matter of minutes! Super clean and easily accessible. Highly recommend!

Thanks for recommending Extra Space Storage, Kent! We're excited to hear about your positive experience with our clean and accessible facilities.

Extra Space Storage (6/19/2026)

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*savings reflected in rates.