There are more than 4,200 businesses in Costa Mesa, and they collectively employ nearly 68,500 people. 51.5% of Costa Mesa businesses have one to four employees. 10.5% have 20 to 49 workers. Nine have 500 or more employees.
There are nearly 1,100 Costa Mesa businesses in the retail trade sector. Roughly 1,000 are in the services industry. About 390 are in finance, insurance and real estate.
