Share This Listing

Message

937 characters remaining

Hmm, there seems to have been an error sending your message. Please try again.

Your email has been sent.

Still interested?

Contact the brokers for more information about this property

California Plaza 2121 N California Blvd 1,434 - 60,041 SF of 4-Star Space Available in Walnut Creek, CA 94596

Office Spaces California Walnut Creek 2121 N California Blvd, Walnut Creek, CA 94596

Save this listing!

Favorite this listing to get notified of price updates, new media and more

Highlights

  • Adjacent to the Walnut Creek BART station
  • Walking distance of numerous restaurants and retail amenities

All Available Spaces(10)

Display Rental Rate as

  • Space
  • Size
  • Term
  • Rental Rate
  • Space Use
  • Build-Out
  • Available
  • 1st Floor, Ste 100A
  • 1,434 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • Now
2121 N California Blvd, Walnut Creek, CA for lease Floor Plan- Image 1 of 1
Floor Plan

1,434 square feet of office space available for lease.

  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • 1st Floor, Ste 150
  • 2,461 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • Now
2121 N California Blvd, Walnut Creek, CA for lease Interior Photo- Image 1 of 1
Interior Photo

2,461 square feet of office space available for lease.

  • Fully Built-Out as Standard Office
  • Space is in Excellent Condition
  • Mostly Open Floor Plan Layout
  • 2nd Floor, Ste 200
  • 3,873 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Retail
  • Full Build-Out
  • Now
2121 N California Blvd, Walnut Creek, CA for lease Building Photo- Image 1 of 1
Building Photo

2nd generation deli space

  • Fully Built-Out as Standard Retail Space
  • Space is in Excellent Condition
  • Located in-line with other retail
  • 2nd Floor, Ste 230
  • 1,457 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • Now
2121 N California Blvd, Walnut Creek, CA for lease Floor Plan- Image 1 of 1
Floor Plan

1,457 square feet of office space available for lease.

  • Fully Built-Out as Standard Office
  • Space is in Excellent Condition
  • Mostly Open Floor Plan Layout
  • 3rd Floor, Ste 300
  • 3,485 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • Now
2121 N California Blvd, Walnut Creek, CA for lease Floor Plan- Image 1 of 1
Floor Plan

3,485 square feet of office space available for lease.

  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • 6th Floor, Ste 600
  • 21,677 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • June 01, 2026
2121 N California Blvd, Walnut Creek, CA for lease Floor Plan- Image 1 of 1
Floor Plan

21,677 square feet of office space available for lease.

  • 6th Floor, Ste 625
  • 10,913 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • September 01, 2026
2121 N California Blvd, Walnut Creek, CA for lease Floor Plan- Image 1 of 1
Floor Plan

10,913 square feet of office space available for lease.

  • 8th Floor, Ste 860
  • 10,000 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • Now
2121 N California Blvd, Walnut Creek, CA for lease Floor Plan- Image 1 of 1
Floor Plan

10,000 square feet of office space available for lease.

  • Fully Built-Out as Standard Office
  • Space is in Excellent Condition
  • Mostly Open Floor Plan Layout
  • 10th Floor, Ste 1010
  • 2,471 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • September 01, 2026
2121 N California Blvd, Walnut Creek, CA for lease Floor Plan- Image 1 of 1
Floor Plan

2,471 square feet of office space available for lease.

  • 10th Floor, Ste 1040
  • 2,270 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • Now
2121 N California Blvd, Walnut Creek, CA for lease Floor Plan- Image 1 of 1
Floor Plan

2,270 square feet of office space available for lease.

  • Fully Built-Out as Standard Office
Space Size Term Rental Rate Space Use Build-Out Available
1st Floor, Ste 100A 1,434 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Full Build-Out Now
1st Floor, Ste 150 2,461 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Full Build-Out Now
2nd Floor, Ste 200 3,873 SF Negotiable Upon Request Upon Request Upon Request Upon Request Retail Full Build-Out Now
2nd Floor, Ste 230 1,457 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Full Build-Out Now
3rd Floor, Ste 300 3,485 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Full Build-Out Now
6th Floor, Ste 600 21,677 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - June 01, 2026
6th Floor, Ste 625 10,913 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - September 01, 2026
8th Floor, Ste 860 10,000 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Full Build-Out Now
10th Floor, Ste 1010 2,471 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - September 01, 2026
10th Floor, Ste 1040 2,270 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Full Build-Out Now

1st Floor, Ste 100A

Size
1,434 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Full Build-Out
Available
Now

1st Floor, Ste 150

Size
2,461 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Full Build-Out
Available
Now

2nd Floor, Ste 200

Size
3,873 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Retail
Build-Out
Full Build-Out
Available
Now

2nd Floor, Ste 230

Size
1,457 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Full Build-Out
Available
Now

3rd Floor, Ste 300

Size
3,485 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Full Build-Out
Available
Now

6th Floor, Ste 600

Size
21,677 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
-
Available
June 01, 2026

6th Floor, Ste 625

Size
10,913 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
-
Available
September 01, 2026

8th Floor, Ste 860

Size
10,000 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Full Build-Out
Available
Now

10th Floor, Ste 1010

Size
2,471 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
-
Available
September 01, 2026

10th Floor, Ste 1040

Size
2,270 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Full Build-Out
Available
Now
1 of 1
Videos
Matterport 3D Exterior
Matterport 3D Tour
Photos
Street View Street
Map
2121 N California Blvd, Walnut Creek, CA for lease Floor Plan- Image 1 of 1
Cal Plaza - Suite 100A

1st Floor, Ste 100A

2121 N California Blvd, Walnut Creek, CA for lease Floor Plan- Image 1 of 1
Floor Plan
Size 1,434 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out Full Build-Out
Available Now

1,434 square feet of office space available for lease.

  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
1 of 1
Videos
Matterport 3D Exterior
Matterport 3D Tour
Photos
Street View Street
Map
2121 N California Blvd, Walnut Creek, CA for lease Interior Photo- Image 1 of 1
Cal Plaza - Suite 150

1st Floor, Ste 150

2121 N California Blvd, Walnut Creek, CA for lease Interior Photo- Image 1 of 1
Interior Photo
Size 2,461 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out Full Build-Out
Available Now

2,461 square feet of office space available for lease.

  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • Space is in Excellent Condition
1 of 1
Videos
Matterport 3D Exterior
Matterport 3D Tour
Photos
Street View Street
Map
2121 N California Blvd, Walnut Creek, CA for lease Building Photo- Image 1 of 1
Cal Plaza - Suite 200

2nd Floor, Ste 200

2121 N California Blvd, Walnut Creek, CA for lease Building Photo- Image 1 of 1
Building Photo
Size 3,873 SF
Term Negotiable
Rental Rate Upon Request
Space Use Retail
Build-Out Full Build-Out
Available Now

2nd generation deli space

  • Fully Built-Out as Standard Retail Space
  • Located in-line with other retail
  • Space is in Excellent Condition
1 of 1
Videos
Matterport 3D Exterior
Matterport 3D Tour
Photos
Street View Street
Map
2121 N California Blvd, Walnut Creek, CA for lease Floor Plan- Image 1 of 1
Cal Plaza - Suite 230

2nd Floor, Ste 230

2121 N California Blvd, Walnut Creek, CA for lease Floor Plan- Image 1 of 1
Floor Plan
Size 1,457 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out Full Build-Out
Available Now

1,457 square feet of office space available for lease.

  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • Space is in Excellent Condition
1 of 1
Videos
Matterport 3D Exterior
Matterport 3D Tour
Photos
Street View Street
Map
2121 N California Blvd, Walnut Creek, CA for lease Floor Plan- Image 1 of 1
Cal Plaza - Suite 300

3rd Floor, Ste 300

2121 N California Blvd, Walnut Creek, CA for lease Floor Plan- Image 1 of 1
Floor Plan
Size 3,485 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out Full Build-Out
Available Now

3,485 square feet of office space available for lease.

  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
1 of 1
Videos
Matterport 3D Exterior
Matterport 3D Tour
Photos
Street View Street
Map
2121 N California Blvd, Walnut Creek, CA for lease Floor Plan- Image 1 of 1
Cal Plaza - Suite 600

6th Floor, Ste 600

2121 N California Blvd, Walnut Creek, CA for lease Floor Plan- Image 1 of 1
Floor Plan
Size 21,677 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out -
Available June 01, 2026

21,677 square feet of office space available for lease.

1 of 1
Videos
Matterport 3D Exterior
Matterport 3D Tour
Photos
Street View Street
Map
2121 N California Blvd, Walnut Creek, CA for lease Floor Plan- Image 1 of 1
625

6th Floor, Ste 625

2121 N California Blvd, Walnut Creek, CA for lease Floor Plan- Image 1 of 1
Floor Plan
Size 10,913 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out -
Available September 01, 2026

10,913 square feet of office space available for lease.

1 of 1
Videos
Matterport 3D Exterior
Matterport 3D Tour
Photos
Street View Street
Map
2121 N California Blvd, Walnut Creek, CA for lease Floor Plan- Image 1 of 1
Floor Plan

8th Floor, Ste 860

2121 N California Blvd, Walnut Creek, CA for lease Floor Plan- Image 1 of 1
Floor Plan
Size 10,000 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out Full Build-Out
Available Now

10,000 square feet of office space available for lease.

  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • Space is in Excellent Condition
1 of 1
Videos
Matterport 3D Exterior
Matterport 3D Tour
Photos
Street View Street
Map
2121 N California Blvd, Walnut Creek, CA for lease Floor Plan- Image 1 of 1
Cal Plaza - Suite 1010

10th Floor, Ste 1010

2121 N California Blvd, Walnut Creek, CA for lease Floor Plan- Image 1 of 1
Floor Plan
Size 2,471 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out -
Available September 01, 2026

2,471 square feet of office space available for lease.

1 of 1
Videos
Matterport 3D Exterior
Matterport 3D Tour
Photos
Street View Street
Map
2121 N California Blvd, Walnut Creek, CA for lease Floor Plan- Image 1 of 1
Cal Plaza - Suite 1040

10th Floor, Ste 1040

2121 N California Blvd, Walnut Creek, CA for lease Floor Plan- Image 1 of 1
Floor Plan
Size 2,270 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out Full Build-Out
Available Now

2,270 square feet of office space available for lease.

  • Fully Built-Out as Standard Office

Features and Amenities

  • 24 Hour Access
  • Atrium
  • Conferencing Facility
  • Courtyard
  • Fitness Center
  • Property Manager on Site
  • Security System
  • Signage
  • Energy Star Labeled
  • Wheelchair Accessible
  • Reception
  • Storage Space
  • Car Charging Station
  • Monument Signage
  • Outdoor Seating
  • Air Conditioning
  • Balcony

Property Facts

Building Type
Office
Year Built/Renovated
1984/2017
LoopNet Rating
4 Star
Building Height
10 Stories
Building Size
444,094 SF
Building Class
A
Typical Floor Size
44,409 SF
Unfinished Ceiling Height
12’
Parking
Surface Parking
Covered Parking

Attachments

Cal Plaza - Brochure - 11.25

Links

1 1
2121 N California Blvd, Walnut Creek, CA - Aerial map view
Moderately walkable
60/100
Exceptionally drivable
90/100
Good public transit
70/100
Fairly bikeable
40/100
Source: Local Logic®
(925) 974-0109

Still interested?

Contact the brokers for more information about this property

Contacts

  • Listing ID: 17340421

  • Date on Market: 5/20/2026

  • Last Updated:

  • Address: 2121 N California Blvd, Walnut Creek, CA 94596

The Downtown Walnut Creek Office Property at 2121 N California Blvd, Walnut Creek, CA 94596 is currently available. Contact Newmark for more information.

OFFICE PROPERTIES IN NEARBY NEIGHBORHOODS

NEARBY LISTINGS

1 of 6
Videos
Matterport 3D Exterior
Matterport 3D Tour
Photos
Street View Street
Map
2121 N California Blvd, Walnut Creek, CA for lease Primary Photo- Image 1 of 6
Primary Photo
2121 N California Blvd, Walnut Creek, CA for lease Building Photo- Image 2 of 6
Building Photo
2121 N California Blvd, Walnut Creek, CA for lease Building Photo- Image 3 of 6
Building Photo
2121 N California Blvd, Walnut Creek, CA for lease Building Photo- Image 4 of 6
Entrance
2121 N California Blvd, Walnut Creek, CA for lease Aerial- Image 5 of 6
Aerial
1 of 1
California Plaza | 2121 N California Blvd
(925) 974-0109 x

California Plaza | 2121 N California Blvd

Breck Lutz
(925) 974-0109

Danny Bartz
(925) 708-8188

Alexis Williams
(925) 974-0100

Already a member? Log In

First Name*

Last Name*

Email*

Email address is required

Phone*

Ext (optional)

Company (optional)

How much space do you need? (optional)

Select Size

Message*

Message is required

{{getContactFormMessageFieldCharacterCount()}} out of 600

New to LoopNet? No problem. We'll automatically create a free account for you. By clicking the button, you agree to LoopNet's Terms of Use and Privacy Notice.

Hmm, there seems to have been an error sending your message. Please try again.

Thanks! Your message was sent.

Send another message
Link copied
Your LoopNet account has been created!

Please Share Your Feedback

We welcome any feedback on how we can improve LoopNet to better serve your needs.
X
{{ getErrorText(feedbackForm.starRating, "rating") }}
255 character limit ({{ remainingChars() }} charactercharacters remainingover)
{{ getErrorText(feedbackForm.msg, "rating") }}
{{ getErrorText(feedbackForm.fname, "first name") }}
{{ getErrorText(feedbackForm.lname, "last name") }}
{{ getErrorText(feedbackForm.phone, "phone number") }}
{{ getErrorText(feedbackForm.phonex, "phone extension") }}
{{ getErrorText(feedbackForm.email, "email address") }}
You can provide feedback any time using the Help button at the top of the page.