4.8
    Call our Storage Experts
    Storage Experts Available
    Mon-Fri: 03:00am-10:00pm
    Sat: 03:00am-10:00pm
    Sun: 03:00am-10:00pm
  • New Customer: 
  • Current Customer: (510) 362-5469

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

Castro Valley Self Storage at 3939 Castro Valley Blvd

Call our Storage Experts
Storage Experts Available
Mon-Fri: 03:00am-10:00pm
Sat: 03:00am-10:00pm
Sun: 03:00am-10:00pm

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

One-Time Admin Charge
$19.99
You will be charged a one-time lock charge. Your lock fee may be refundable if you bring your own lock and it is approved for compatibility by your Store Manager. This fee does not apply to digital-access units.
$29
This one-time admin charge covers lease processing and your account setup.
Locker
3' x 3'
  • Climate Controlled
  • Elevator Access
  • Indoor
  • Reduced Height
IN STORE
$22
WEB RATE
$10

LOWEST IN 30 DAYS!*

Locker
3' x 3'
  • 1st Floor Access
  • Climate Controlled
  • Indoor
  • Reduced Height
IN STORE
$24
WEB RATE
$12

LOWEST IN 30 DAYS!*

Small
3' x 4'
  • Climate Controlled
  • Elevator Access
  • Indoor
IN STORE
$50
WEB RATE
$36

Flash Sale!*

Small
4' x 4'
  • Climate Controlled
  • Elevator Access
  • Indoor
IN STORE
$85
WEB RATE
$61

ACT FAST: 1 LEFT!

Small
6' x 4'
  • Climate Controlled
  • Elevator Access
  • Indoor
  • Multi-Door Unit
IN STORE
$111
WEB RATE
$80

ACT FAST: 1 LEFT!

Medium
9' x 12'
  • 1st Floor Access
  • Climate Controlled
  • Indoor
IN STORE
$329
WEB RATE
$220

LOWEST IN 30 DAYS!*

Medium
8' x 16'
  • Climate Controlled
  • Elevator Access
  • Indoor
  • Multi-Door Unit
IN STORE
$384
WEB RATE
$271

ACT FAST: 1 LEFT!

Medium
8' x 16'
  • 24 Hour Access
  • Drive-Up Access
IN STORE
$485
WEB RATE
$362

ACT FAST: 1 LEFT!

Medium
10' x 16'
  • Climate Controlled
  • Elevator Access
  • Indoor
  • Multi-Door Unit
IN STORE
$451
WEB RATE
$331

ACT FAST: 1 LEFT!

Medium
8' x 20'
  • Drive-Up Access
IN STORE
$485
WEB RATE
$362

ACT FAST: 1 LEFT!

Large
10' x 25'
  • Climate Controlled
  • Elevator Access
  • Indoor
IN STORE
$542
WEB RATE
$413

LIMITED UNITS

Units Available Nearby

5' x 8'

Available now at 26869 Mission Blvd, Hayward, CA 94544 starting at $70/mo

Available Nearby

5' x 10'

Available now at 14340 Washington Ave, San Leandro, CA 94578 starting at $94/mo

Available Nearby

10' x 10'

Available now at 26869 Mission Blvd, Hayward, CA 94544 starting at $183/mo

Available Nearby

14' x 8'

Available now at 24700 Mission Blvd, Hayward, CA 94544 starting at $130/mo

Available Nearby

8' x 15'

Available now at 14340 Washington Ave, San Leandro, CA 94578 starting at $181/mo

Available Nearby

10' x 20'

Available now at 14340 Washington Ave, San Leandro, CA 94578 starting at $357/mo

Available Nearby

10' x 22'

Available now at 26869 Mission Blvd, Hayward, CA 94544 starting at $386/mo

Available Nearby

Nearby Locations

Other Storage Available

About Our Castro Valley, CA Location

Located on Castro Valley Blvd between Bonnie Ln and I-580, our 3939 Castro Valley Blvd storage facility offers convenient and secure storage for local homeowners and renters looking to declutter or free up space at home.

  • Centrally located in Castro Valley (94546), serving the everyday storage needs of established homeowners and renters who value security, flexible unit sizes, and a convenient location close to home

  • Just minutes from residential communities, including Peppertree Creek HOA, Sparks Way Commons, and Lakewood Village, making it easy for neighbors to access a storage unit close to home

  • Only 1 mile from I-580, with quick access via Exit 37 and Exit 36, making storage runs fast from any direction

  • Residents of nearby Hayward will find this storage facility clean, affordable, and conveniently located

A Wide Selection of Self Storage Options

With a wide range of storage units and amenities like climate control and drive-up access, Extra Space Storage on Castro Valley Blvd is the storage solution you're looking for in Castro Valley.

Available Storage Unit Sizes

Our Castro Valley Blvd facility has storage units as small as 4x7 and as large as 15x25. Units come with features like drive-up access, first-floor access, elevator access, and climate control. Need a smaller storage space? We also have a variety of reduced height storage lockers as well!

Climate-Controlled Storage

Need to store temperature-sensitive items? Climate control can help protect your belongings from extreme temperature changes. These units typically maintain a storage environment between 55 and 80 degrees throughout the year.

Drive-Up Access

Pull your vehicle into or up next to your unit to unload and load items without hassle with drive-up access storage! This feature is the ultimate self storage convenience. Drive-up units come in sizes 4x6 to 8x22.

Indoor Vehicle Storage

Searching for secure vehicle storage in Castro Valley? Extra Space Storage has the solution for you! Store a car, motorcycle, or other small vehicle in our drive-up storage units for a garage-like storage option!

Exceptional Security

Extra Space Storage is dedicated to providing a secure facility for our customers. We have an on-site resident manager, video surveillance, and electronic gate access.

Other Amenities & Services

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

  • Sturdy moving carts for heavy, bulky items

  • Elevators for easy access to upper levels

  • Wide-drive aisles to accommodate large moving trucks

  • Convenient freeway access

  • Deliveries accepted

  • On-site office

  • Solar site

Sustainable Storage Facilities

As a leader in the self storage industry, Extra Space Storage is committed to sustainable business practices and reducing our carbon footprint. Our Castro Valley Blvd self storage facility is equipped with green technology like solar panels, reduces energy consumption through lighting retrofits, and offers 100% recyclable moving supplies.

Cheap Storage Units in Castro Valley

Looking for affordable self storage in Castro Valley? Extra Space Storage has the solutions you need. We offer cheap self storage near you for as low as $35 per month, with move-in deals like first month free and first month half-off at select facilities. Contact our expert team at 3939 Castro Valley Blvd for current move-in deals and rent your unit today!

Store with Extra Space Storage

At Extra Space Storage on Castro Valley Blvd, our facility is secure, well-maintained, and clean, and our friendly, professional staff is willing to help with whatever you need. Contact us today to reserve a storage unit in Castro Valley!

Company

Employees: 1-10

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

Established Date: 1977

Site Number: 1372

Phone Number:(510) 886-3000

What to Expect from Extra Space Storage on Castro Valley Blvd

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

Castro Valley Blvd and Redwood Rd

Directions from the North

Drive south on Redwood Rd. Turn left onto Castro Valley Blvd. Our facility will be on your right before Center St.

Directions from the South

Drive north on Redwood Rd. Turn right onto Castro Valley Blvd. Our facility will be on your right before Center St.

Directions from the East

Drive west on I-580 W. Take Exit 36. Turn right onto Redwood Rd. Turn right onto Castro Valley Blvd. Our facility will be on your right before Center St.

Directions from the West

Drive east on I-238 S. Merge onto I-580 E. Take Exit 36. Turn left onto Redwood Rd. Turn right onto Castro Valley Blvd. Our facility will be on your right before Center St.

Frequently Asked Questions at 3939 CASTRO VALLEY BLVD

How hot can a storage unit get in the summer at 3939 Castro Valley Blvd?

Storage units without climate control will typically reach hotter temperatures than what's recorded outside of our storage facility at 3939 Castro Valley Blvd during the summer. If you plan on storing sensitive items at Extra Space Storage, consider renting a storage unit with climate control to better protect your items from extreme temperature changes.

What is the smallest storage unit I can rent?

The most common storage unit sizes you'll find at Extra Space Storage at 3939 Castro Valley Blvd range from 5x5 to 10x30. Get in touch with our facility manager today to learn more about the smallest storage unit sizes we have available!

What items need climate controlled storage at 3939 Castro Valley Blvd?

If you plan to store delicate belongings like wooden or leather furniture, musical instruments, artwork and antiques, books and photos, important documents, family heirlooms, or electronics at our 3939 Castro Valley Blvd storage facility, we highly recommend renting a climate-controlled storage unit.

What size padlock should I use for storage unit?

Storage units at our 3939 Castro Valley Blvd storage facility have no set lock size required. If you're not sure the lock you have is secure enough, Extra Space Storage sells secure disc locks along with other helpful moving supplies!

What size storage unit do I need for my car at 3939 Castro Valley Blvd?

If you plan to store a car at our storage facility at 3939 Castro Valley Blvd, we suggest renting a 10x20, 10x30, or larger drive-up storage unit. Contact the facility manager to learn more about our available vehicle storage options!

*Promotional Terms & Conditions and Size Disclaimer

Reviews

4.8 stars

260 Reviews
5 stars227
4 stars20
3 stars2
2 stars3
1 star8
Showing 3 of 260

Uzair

July 18, 2026

Great place easily accessible, and pretty cheap, and good service the manager I spoke to Stephan was exceptionally helpful!

We are overjoyed to hear Stephan made your experience exceptional. Thanks for choosing Extra Space Storage, Uzair!

Extra Space Storage (7/18/2026)

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Susan

June 30, 2026

Dan is super helpful and a delight to work with. I highly recommend working with him for your locker needs.

We are happy to hear Dan made your experience a delight! We'll share your kind words with him. Thanks, Susan!

Extra Space Storage (6/30/2026)

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natanya

May 31, 2026

Stephan was very friendly and knowledgeable. Space is clean and security is good.

We are grateful for your kind words about Stephan's friendly service and our clean, secure facilities, Natanya.

Extra Space Storage (6/1/2026)

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*savings reflected in rates.