Costa Mesa, CA Office Spaces for Rent

Find your best Costa Mesa, CA office space among 125 for rent listings, which average an asking price of $27.87 per square foot.

Office Market FAQs

245-D Fischer Ave.

245-D Fischer Ave., South Coast Metro, Costa Mesa, CA
Space Type

Office
For Lease

$43.83 - $45.75/MO
3 spaces available / 165 - 172 SF
View Details
1120 Bristol St

1120 Bristol St, Eastside Costa Mesa, Costa Mesa, CA
Space Type

Office
For Lease

$0.11/SF/MO
1 space available / 2,000 SF
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Capitalist Club - Building 2

3001 Red Hill Avenue #109, Costa Mesa, CA
Space Type

Desks
For Lease

Contact for pricing
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3152 Red Hill Avenue

3152 Red Hill Avenue, Mesa Verde, Costa Mesa, CA
Space Type

Office
For Lease

$0.12/SF/MO
5 spaces available / 288 - 3,858 SF
View Details
2900 Bristol Street - Bldg E

2900 Bristol Street - Bldg E, South Coast Metro, Costa Mesa, CA
Space Type

Office
For Lease

$1.65/SF/YR
3 spaces available / 1,138 - 1,650 SF
View Details

Frequently Asked Questions

In Costa Mesa, office spaces range from smaller units to larger options. On average, office spaces in this area tend to be about 6,747 square feet. However, the largest listings can go up to 83,195 square feet for an individual listing. This can give you a good starting point to compare with your needs.
In Costa Mesa, you have several options when it comes to leasing office space. To better understand what to look for, check out our definitive guide to finding office space for your small business or startup. Here is an overview of the most common types currently available:
- Most Common Office Type
  The most frequent subtype available for lease is General Office, which makes up 68.00% of all listings in the city.
- Second-Most Common Office Type
  The second-most common office space type listed here is Flex Space, accounting for 7.20% of available listings.
- Third-Most Common Office Type
  Up next, Medical Office also makes up a significant portion of listings, offering additional options for those seeking alternative spaces.
- Rarest Office Type
  On the other end of the spectrum, the rarest type of office space among local listings is R&D - Industrial, with only 1 listing currently available.
You can find a total of 125 listings for lease in Costa Mesa, which add up to a total of 896,139 square feet. Out of these listings, 5 are sublease listings, with the highest concentration of sublease listings being located in South Coast Metro
Generally, buildings completed since the year 2000 offer modern amenities, decor and services. This also applies to buildings that have been renovated within the same timeframe. Buildings completed in or after the year 2000 account for 8.51% of office properties in this city and incorporate a total of 127,279 square feet. Additionally, about 8.51% of office space in Costa Mesa is in buildings that have been renovated at least once since 2000.

Costa Mesa, CA Office Space for Rent

Office inventory

According to our listing data, Costa Mesa's office market contains 8.8M square feet of space as of 2026.

Costa Mesa Office Market Breakdown by Building Size
Building Size Range	Total Square Feet
50k to 100k Sq. Ft.	1.8M Sq. Ft.
100k to 500k Sq. Ft.	5.6M Sq. Ft.
500k to 1M Sq. Ft.	743.9K Sq. Ft.

Data was provided by Yardi Research Data, refers to properties larger than 50,000 square feet.

Properties sized 100k to 500k Sq. Ft. make up most of the local office inventory, amounting to 5.6M square feet.

Average Rent for Office Spaces

The average rent for office space in Costa Mesa is $26 per square foot. However, you can find rental rates as low as $16 per square foot here, depending on what compromises you are willing to make. If you are looking for office space priced at a certain value, you can use the filters at the top of the page to look for properties within your optimal range.

The maximum rental rate is $36 per square foot among local listings currently available for lease.

For our detailed analysis of the latest rent and sale prices in Costa Mesa, as well as overall market quality and new construction data, see Costa Mesa Office Market Trends.

Office Spaces Classes

The office space market in Costa Mesa incorporates a mix of properties of various ages, ratings, construction grades, and other quality indicators. 56.48% of total office listings in this city are in properties rated Class A. Class B accounts for 42.86% of traditional work spaces listed on the leasing market. Class C makes up 0.66% of such listings in Costa Mesa. This data is current as of 2026.

Costa Mesa Office Market Breakdown by Building Class
Class	Total Square Feet	Share of Total Office
A	5M	56.48%
B	3.8M	42.86%
C	58.1K	0.66%

Data was provided by Yardi Research Data, refers to properties larger than 50,000 square feet.

The most common factor that influences the cost of renting space for your business in any location is the property class rating. For example, Costa Mesa office space rated Class A asks an average of $39.82 per square foot. Class B space in Costa Mesa costs $25.06 per square foot, on average.

Top Neighborhoods for Office Space

Location is everything when it comes to office spaces. Tenants place great value on well positioned properties in amenity-rich areas, potentially boosting office attendance.

In Costa Mesa, the greatest concentration of lease opportunities is in South Coast Metro, Westside Costa Mesa and Mesa Verde.

Office Classes in Costa Mesa, California Neighborhoods

South Coast Metro

Eastside Costa Mesa

Westside Costa Mesa

Class A+/A
Class B
Class C

The South Coast Metro neighborhood contains the most Class A office space, attracting premium tenants and corporate headquarters. Meanwhile, the neighborhood with the most Class B space is Westside Costa Mesa, offering quality space at affordable rates.

Costa Mesa, CA Green Office Space

37% of office space here is eco-friendly, which amounts to 3M square feet.

Costa Mesa Office Market Breakdown by Green Certification
Total Square Feet	Total Green Square Feet	Green Share of Total
8.2M	3M	37%

Numbers based on Yardi Research Data, only refers to properties larger than 25,000 square feet.

Costa Mesa, CA Office Market Overview

This Orange County powerhouse is also the region’s center of sophistication. In addition to being located halfway between Los Angeles and San Diego, the value of Costa Mesa office space is boosted by the breadth and high quality of local amenities — from fine art galleries to excellent street food cuisine, the “City of the Arts” caters to all tastes.

Over time, the Costa Mesa office market has attracted businesses of both national and international fame in a wide variety of industries, including post-secondary education, architecture and design, retail, action sports, and the auto industry. The market has also attracted high-caliber office property investors, developers and property management companies, which collectively contributed to Costa Mesa becoming a major hub for the creative workforce in the Orange County region.

Costa Mesa, CA Office Spaces for Rent

245-D Fischer Ave.

1120 Bristol St

Capitalist Club - Building 2

3152 Red Hill Avenue

2900 Bristol Street - Bldg E