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Walnut Creek, CA Office Spaces for Lease

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189 properties
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Renovated Office and Retail Building
Updated: Jul 28
Renovated Office and Retail Building

2890 N Main St, Walnut Creek, CA 94597

$2,712/Mo
12,345 sqft
Recently completed building renovations including new HVAC units and furnaces
Available suites approximately 2,608 SF to 12,345 SF
Full ground‑floor option available as a whole or demised into smaller configurations
Prominent intersection of North Main Street and Treat Boulevard
Exposure to more than 70,000 vehicles per day
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Ground-Floor Office Unit with Signage
Updated: Aug 13
Ground-Floor Office Unit with Signage

700 Ygnacio Valley Rd, Suite 120, Walnut Creek, CA 94596

$2,662/Mo
2,662 sqft
2,662 SF office unit in Suite 120
Three‑story building with glass‑lined design and high‑end finishes
Monument signage available for a ground‑floor user
Free reserved parking included
One block from the courthouse and four blocks from Walnut Creek BART
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Medical Office Suites with Exam Rooms
Medical Office Suites with Exam Rooms

120-122 La Casa Via, Walnut Creek, CA 94598

$4,124/Mo
4,124 sqft

Two healthcare-oriented suites offer reception, exam, office, and support areas within an elevator-served campus.

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First-Floor Medical Office Suite
First-Floor Medical Office Suite

2123 Ygnacio Valley Rd bldg k, Walnut Creek, CA 94598

$3,261/Mo
3,261 sqft

Healthcare-oriented workspace with exam rooms, private physician offices, reception, and conference space.

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Card-Key Access Office Suite
Card-Key Access Office Suite

710 S Broadway, Suite 100, Walnut Creek, CA 94596

$4,328/Mo
4,328 sqft

Non-sprinklered Class B office suite with card-key access and unreserved covered and uncovered parking.

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Class B Office Suite with Privates
Class B Office Suite with Privates

1801 Oakland Blvd, Suite 320, Walnut Creek, CA 94596

$1,163/Mo
2,778 sqft

Well-maintained Class B building with a 3rd-floor suite featuring private offices, conference space, and open work area.

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Medical Office and Office Space
Medical Office and Office Space

350-390 N Wiget Ln, Walnut Creek, CA 94598

$4,092/Mo
7,457 sqft

Available for lease professional office and medical space with tenant improvement packages for qualifying tenants.

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Downtown Office Suite with Free Parking
Downtown Office Suite with Free Parking

1280 Civic Dr, Suite 204, Walnut Creek, CA 94596

$923/Mo
923 sqft

Office suite in downtown Walnut Creek with free parking and close BART access.

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Downtown Office Building with Solar-Powered Power
Downtown Office Building with Solar-Powered Power

1280 Civic Dr, Walnut Creek, CA 94596

$923/Mo
2,108 sqft

Office building for lease with partially solar-powered power, free parking, and a walkable location near BART and downtown amenities.

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Corner Third-Floor Office Suite
Corner Third-Floor Office Suite

1655 N Main St, Suite 250, Walnut Creek, CA 94596

$2,029/Mo
2,029 sqft

Third-floor office suite with four private offices, breakroom, conference room, and open office area with direct elevator access.

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Corner Storefront Retail Suite
Corner Storefront Retail Suite

1655 N Main St, Suite 104, Walnut Creek, CA 94596

$2,303/Mo
2,303 sqft

Ground floor storefront space features a strong window line and access to a private garage with direct elevator service.

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Corner Office Suite with Atrium
Corner Office Suite with Atrium

1655 N Main St, Suite 220, Walnut Creek, CA 94596

$728/Mo
728 sqft

Second-floor corner office suite with private garage access and an open-air atrium bringing natural light inside.

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Second-Floor Office Suite
Second-Floor Office Suite

1655 N Main St, Suite 230, Walnut Creek, CA 94596

$1,023/Mo
1,023 sqft

Second-floor suite with reception, two private offices, and a breakroom in a downtown Walnut Creek corner building.

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Corner Office Space Available
Corner Office Space Available

1806 Bonanza St, Walnut Creek, CA 94596

$350/Mo
350 sqft

Corner office space with admin area available for rent.

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Flexible Offices and Coworking at California Plaza. Contact us today to book a tour!
Flexible Offices and Coworking at California Plaza. Contact us today to book a tour!

2121 California Blvd, Unit 290, Walnut Creek, CA 94596

16 available spaces from 11 to 2,021 sqft
$129-$30,100/Mo per office

Flexible workspace in California Plaza. Book a tour & get info

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Smart Workspace Options at Treat Boulevard. Contact us today to book a tour!
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Flexible Office Units
Flexible Office Units

375 N Wiget Ln, Walnut Creek, CA 94598

Contact for pricing
5,032 sqft

Multi-floor office property with divisible suites, private offices, conference rooms, monument signage, and on-site parking.

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Ground-Floor Coworking Office Suites
Ground-Floor Coworking Office Suites

1301 Ygnacio Valley Road, Walnut Creek, CA 94596

Contact for pricing
4,900 sqft

Ground-floor office space with shared amenities, furnished or vacant options, and secured access with 24/7 monitored alarm.

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Multi-Office Professional Space
Multi-Office Professional Space

323 Lennon Ln, Walnut Creek, CA 94598

Contact for pricing
2,965 sqft

Professional suite combines private rooms, collaborative workspace, meeting space, and dedicated restrooms.

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Ground Floor Office Suite With Access
Ground Floor Office Suite With Access

1555 Riviera Ave, Walnut Creek, CA 94596

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3,227 sqft

Suite B offers highly visible ground-floor office space with direct access and available eyebrow signage.

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Office Space with Amenities
Office Space with Amenities

1340 Treat Boulevard, Walnut Creek, CA 94597

Contact for pricing
7,430 sqft

Office space with on-site management, restaurant, and fitness club.

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Office Building with On-Site Deli
Office Building with On-Site Deli

1981 N Broadway, Walnut Creek, CA 94596

Contact for pricing
1,611 sqft

Two blocks to Downtown Walnut Creek and BART, with on-site management, HVAC with MERV 13 and UV filtration, and free visitor parking.

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Energy Star Office Building
Energy Star Office Building

1990 N California Blvd, Walnut Creek, CA 94596

Contact for pricing
5,580 sqft

Brand-new office building with a best-in-class conference and amenity center, plus on-site cafe and extensive EV charging.

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Furnished Plug-and-Play Office Suite
Furnished Plug-and-Play Office Suite

1340 Treat Blvd, Walnut Creek, CA 94597

Contact for pricing
7,430 sqft

Move-in-ready workspace with private offices, conference rooms, kitchen, and dedicated server-room HVAC.

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Walnut Creek, CA Office Spaces Lease Rates & Market Statistics

Explore 189 Office Spaces for lease in Walnut Creek, CA on Realmo, a commercial real estate exchange covering the Walnut Creek area. The current inventory totals 1,073,922 square feet of properties — an average of ~5,700 SF per listing.

Office Spaces lease rates in Walnut Creek range from $2.64 SF/Yr at the entry level to $46.80 SF/Yr at the top of the market, averaging $13.71 SF/Yr. That's a 18x spread between entry-level and premium space, making side-by-side comparison of asking rents and lease terms essential. The local average of $13.71 SF/Yr is 45% below the California state average of $24.97 SF/Yr.

Walnut Creek accounts for 38% of the 493 office spaces currently available across Contra Costa County, where nearby markets include Concord and San Ramon. By space type, the market includes 106 office units, 71 office buildings and 27 medical office space listings — medical office space options typically offer the lowest entry point, while office buildings command the highest rates.

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