Costa Mesa, CA Office Spaces for Rent & Lease

Updated: Jun 5

Medical Office Space With Exam Rooms

3070 Bristol Street, Costa Mesa, CA 92626

$9,756/Mo

6 exam rooms with reception and patient waiting areas
Dedicated nurses area, break room, and storage/file area
Adjacent covered parking garage
On‑site fitness center, food trucks, and farmer’s market
Two minutes north of South Coast Plaza

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Updated: Jun 5

Furnished Coworking Space with Offices

3090 Bristol Street, Costa Mesa, CA 92626

$13,818/Mo per office

Furnished space with 2 offices, an open area, and a large kitchen
Office and conference center with outdoor access, lounge, and courtyard
On‑site BLK Dot Coffee, fitness center, car detail service, food trucks, and farmer’s market
Directly off the 405 freeway at 3090 Bristol Street, Costa Mesa, CA 92626
South Coast Plaza is two minutes north; John Wayne Airport is less than three miles east

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Office Units with Open Workspace

3100 Bristol Street, Costa Mesa, CA 92626

$11,974/Mo

Flexible office layout combines private rooms, shared work area, reception, and kitchen space.

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CA, Costa Mesa - 3420 Bristol Street

3420 Bristol St, Costa Mesa, CA 92626

16 available spaces from 11 to 1,938 sqft

$129-$15,879/Mo per office

Flexible workspace in CA, Costa Mesa - 3420 Bristol Street. Book a tour & get info

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Office Unit with Private Balcony

3100 Bristol Street, Costa Mesa, CA 92626

$14,898/Mo

Configured with a reception area, conference room, private offices, storage, and flexible open workspace.

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Office Unit with Training Room

3070 Bristol Street, Costa Mesa, CA 92626

$11,290/Mo

This office configuration includes private offices, a conference room, training space, kitchen, and storage.

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First-Floor Office Units

3080 Bristol Street, Costa Mesa, CA 92626

$15,414/Mo

Configured for professional operations with private offices, collaborative space, and shared meeting and employee areas.

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CA, Costa Mesa - Harbor Blvd

3330 Harbor Blvd, Unit 2ND, Costa Mesa, CA 92626

16 available spaces from 11 to 1,981 sqft

$129-$16,368/Mo per office

Flexible workspace in CA, Costa Mesa - Harbor Blvd. Book a tour & get info

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Creative Office Units

3090 Bristol Street, Costa Mesa, CA 92626

$50,855/Mo

Flexible workspace includes private offices, a conference room, kitchen, and a large open area for varied work settings.

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Office Suite With Conference Room

3080 Bristol Street, Costa Mesa, CA 92626

$16,644/Mo

Configured workspace includes private offices, reception, a break area, and dedicated IT space.

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Coworking Space with Flexible Terms

245-D Fischer Ave., Costa Mesa, CA 92626

$558/Mo per office

172 sqft

Shared conference, reception, kitchen, and restroom facilities complement individual and shared office arrangements.

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Office Units with Open Workspace

3080 Bristol Street, Costa Mesa, CA 92626

$13,594/Mo

Flexible office setting with private window-lined rooms, a generous shared area, and kitchen amenities.

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Office Suite with Open Workspace

3080 Bristol Street, Costa Mesa, CA 92626

$5,835/Mo

Configured with two private offices, an expansive shared work area, and a breakroom kitchen.

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Furnished Coworking Space

3090 Bristol St Unit 340, Costa Mesa, CA 92626

$13,818/Mo per office

4,684 sqft

Includes two private offices, an open work area, and a large kitchen.

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Office Unit with Private Balcony

3100 Bristol St Unit 400, Costa Mesa, CA 92626

$14,898/Mo

5,050 sqft

Configured with a reception area, conference room, private offices, storage, and flexible open workspace.

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Office Unit with Open Workspace

3100 Bristol St Unit 220, Costa Mesa, CA 92626

$11,974/Mo

4,059 sqft

Private offices, reception, kitchen, copy storage, and a substantial shared work area support varied office needs.

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Medical Office Suite with Exam Rooms

3070 Bristol St Unit 190, Costa Mesa, CA 92626

$9,756/Mo

3,307 sqft

Configured for medical operations with reception, clinical rooms, staff areas, and file storage.

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Second-Floor Retail Suite

474 E 17th Street, Costa Mesa, CA 92627

$42 SF/Yr

500 sqft

500 SF opportunity within a Costa Mesa retail center serving the Newport Bay Area.

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Creative Office Suite with Kitchen

430-3080 Bristol St, Costa Mesa, CA 92626

$13,594/Mo

9,009 sqft

Office suite featuring five window line offices, a large open area, and kitchen for everyday work and meetings.

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Office Unit with Open Workspace

3080 Bristol St Unit 440, Costa Mesa, CA 92626

$5,835/Mo

1,978 sqft

Two private offices, an expansive shared work area, and a breakroom with kitchen support a flexible office layout.

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Office Unit with Window Offices

3080 Bristol St Unit 600, Costa Mesa, CA 92626

$16,644/Mo

5,642 sqft

Configured with reception, conference, break, IT, and multiple office areas for a flexible workplace setup.

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Coworking Space with Training Room

3070 Bristol St Unit 340, Costa Mesa, CA 92626

$11,290/Mo per office

3,827 sqft

Configured with private offices, a conference room, reception area, kitchen, and storage.

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Office Unit with Open Workspace

3080 Bristol St Unit 430, Costa Mesa, CA 92626

$13,594/Mo

4,608 sqft

Flexible office suite featuring private perimeter offices, an expansive shared work area, and an in-suite kitchen.

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Smart Workspace Options at Costa Mesa - Spaces The MET. Contact us today to book a tour!

555 300, Costa Mesa, CA 92626

16 available spaces from 11 to 2,076 sqft

$129-$19,345/Mo per office

Find fully flexible work and meeting space in Costa Mesa - Spaces The MET. Book a tour & get info

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Costa Mesa, CA Office Spaces Lease Rates & Market Statistics

Browse 77 Office Spaces for lease in Costa Mesa, CA on Realmo, a commercial real estate marketplace serving the Costa Mesa area. The current inventory totals 362,187 square feet of properties — an average of ~4,700 SF per listing.

Asking lease rates for Office Spaces in Costa Mesa start at $8.23 SF/Yr, average $33.17 SF/Yr, and reach $51 SF/Yr at the top of the market. That's a 6x spread between entry-level and premium space, making side-by-side comparison of asking rents and lease terms essential. The local average of $33.17 SF/Yr is 35% above the California state average of $24.61 SF/Yr.

Costa Mesa accounts for 10% of the 809 office spaces currently available across Orange County, where nearby markets include Irvine and Santa Ana. By space type, the market includes 62 office units, 13 creative space listings and 10 coworking space listings.