City of Costa Mesa, California

Costa Mesa is located at 33°38'26" North, 117°55'4" West (33.640833, -117.917778).

According to the United States Census Bureau, the city has a total area of 15.69 mi² (40.63 km²). 15.63 mi² (40.48 km²) of it is land and 0.06 mi² (0.15 km²) of it is covered by water. The total area is 0.37% water.

Costa Mesa is located in the Pacific Standard Time (PST) timezone, GMT-08:00. It observes Daylight Saving Time (DST).