Mesa Verde (Costa Mesa)

The Diego Sepúlveda Adobe (sometimes known as the Costa Mesa Estancia or the Santa Ana Estancia) is an adobe structure in Costa Mesa, Orange County, California.

The Pegasus School is a co-ed, non-profit, non-sectarian, private day school on a 14-acre (5.7 ha) campus in Huntington Beach, California.

Estancia High School is located in Costa Mesa, California and is part of the Newport-Mesa Unified School District which serves approximately 21,000 students who reside in the cities of Newport Beach and Costa Mesa. Estancia High School is a comprehensive high school which serves the needs of approximately 1,200 students in Grades 9-12.

The Orange County Sanitation District (OCSD) is a public agency that provides wastewater collection, treatment, and disposal services for approximately 2.6 million people in central and northwest Orange County. OCSD is a special district that is governed by a Board of Directors consisting of 25 board members appointed from 20 cities, two sanitary districts, two water districts and one representative from the Orange County Board of Supervisors. OCSD has two operating facilities that treat wastewater from residential, commercial and industrial sources. It is the third largest wastewater treatment facility west of the Mississippi River. OCSD and the Orange County Water District were awarded the Stockholm Industry Water Award in 2008 for pioneering work to develop with Trojan Technologies (Canada) the Groundwater Replenishment System, the world’s largest water purification plant for groundwater recharge. Orange County Sanitation District is commonly referred to as OCSD, though not to be confused with Orange County Sheriff's Department that shares the same acronym.

The Orange County Water District is a special district that manages the groundwater basin beneath central and northern Orange County, California. The groundwater basin provides a water supply to 19 municipal water agencies and special districts that serve more than 2.4 million Orange County residents. The Orange County Water District's service area covers approximately 350 square miles and the District owns approximately 1,600 acres in and near the Santa Ana River, which it uses to capture water flows for groundwater recharge. Additionally, the Orange County Water District owns approximately 2,150 acres of land above the Prado Dam in the Prado Reservoir and uses that land for water conservation, water storage and water quality improvements. The water district's administrative offices and the Groundwater Replenishment System facilities are located in Fountain Valley, while it also operates various groundwater recharge facilities located in Anaheim and Orange.

Orange Coast College (OCC) is a public community college in Costa Mesa in Orange County, California. It was founded in 1947, with its first classes opening in the fall of 1948. It provides Associate of Art and Associate of Science degrees, certificates of achievement, and lower-division classes transferable to other colleges and universities. The school enrolls approximately 24,000 undergraduate students. In terms of population size, Orange Coast College is the third-largest college in Orange County.

Taco María is a Michelin Guide-starred Mexican restaurant in Costa Mesa, California.

Costa Mesa (; Spanish for "Table Coast") is a city in Orange County, California. Since its incorporation in 1953, the city has grown from a semi-rural farming community of 16,840 to an urban area including part of the South Coast Plaza–John Wayne Airport edge city, one of the region's largest commercial clusters, with an economy based on retail, commerce, and light manufacturing. The city is home to the two tallest skyscrapers in Orange County. The population was 111,918 at the 2020 United States Census.

The Reptile Zoo is an indoor zoo focusing on reptiles in Fountain Valley, California. Fish, amphibians, and arachnids are also on display. It contains the pet store Prehistoric Pets, which sells items targeted towards reptile owners. Almost 200,000 people have visited the zoo since its founding. People are allowed to hold specific animals while supervised, and children can have birthday parties at the zoo. For an additional price, one can also feed tortoises with lettuce.

SureFire, LLC. is an American company headquartered in Fountain Valley, California. Their main products are flashlights, weapon-mounted lights, headlamps, and laser sights. In addition, Surefire produces knives, sound suppressors, earplugs, Picatinny Rails, high capacity magazines, and batteries. The company is a major supplier of flashlights, weapon lights, and lasers to the U.S. Armed Forces and its allies, especially for elite special operations groups such as the Navy SEALs. Surefire products are widely used in the U.S. by law enforcement agencies and SWAT teams.

LeBard Stadium is a 7,600-seat stadium located on the Orange Coast College campus in Costa Mesa, California. It is the home football stadium for both the Orange Coast College Pirates and the Golden West College Rustlers football teams. The stadium opened on September 16, 1955, and is lined for both football and soccer. Originally named Pirate Stadium, it was renamed in 1967 for Harry R. LeBard, a community leader and a founding member of the district's board of trustees.

California Southern University is a private, for-profit, university in Costa Mesa, California. It offers associate's, bachelor's, master's and doctoral degree programs online in psychology, business and management, risk management and regulatory compliance, criminal justice, nursing, and education.