The Pegasus School

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.

Mesa Verde is a neighborhood in Costa Mesa, California. It is bounded by the Interstate 405 freeway to the north, Harbor Boulevard to the east, Victoria Street to the south, and the Santa Ana River to the west. The community is bisected by Adams Avenue and contains the Fairview Channel, a Santa Ana River tributary that connects to Fairview Park, a wetland and riparian natural area. The neighborhood is home to two golf course complexes–the Costa Mesa Golf Course and the Mesa Verde Country Club. In 2018, the median household income in Mesa Verde was US$84,968.

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.

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.

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.

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.

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.

Brethren Christian was a private Christian middle school and high school located in Huntington Beach, California. It was situated on a 15-acre (61,000 m2) site leased from the Huntington Beach City School District, formerly the site of Gisler Middle School. The school was independently operated and controlled by a board of directors. Due to financial troubles, the school eventually dropped its middle school and relocated to the campus of Grace Lutheran Church. The school permanently closed in 2020 following a large deficit and a 64% drop in enrollment.

Orange Coast Memorial Medical Center (OCMMC) is a 240-bed community hospital in Fountain Valley, California. It is part of the four MemorialCare medical centers, located in Orange and Los Angeles counties. The 14 bed paramedic receiving Emergency Department has received awards that include CEP's Emergency Department of the Year for 2000 and was recognized as “Best in State” by Parkside Surveys in 1999 for physician care and waiting times. Their 100 percent Board certified staff average over 15 years in full-time practice.

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

Fountain Valley High School (FVHS) is a public high school in Fountain Valley, California. It was established in 1966 and is a part of the Huntington Beach Union High School District. It is notable for its rivalry with Edison High School, particularly during football season where both schools compete in the "Battle of the Bell."For the first few years after opening, Fountain Valley High School had a larger student population than any other high school west of the Mississippi with approximately 4,300 students. Due to the large student body, school days were split into two shifts, mornings for underclassmen and afternoons for upperclassmen. Over the years, enrollment decreased due to various factors, including the opening of Edison High School in 1969.The athletic teams are known as the Barons, and the school colors are red, blue, and gold. The school had to renovate some of its buildings, which were sinking, starting in 2002. These renovations yielded new portable buildings in an area that was previously a parking lot. As of 2006, these semi-permanent portable buildings have been removed and replaced with permanent facilities. In March 2011, the track and football field were renovated. The dirt track was replaced by a synthetic track, and the field was replaced with new natural grass. Years later, however, the field was replaced by imitation grass and turf. Fountain Valley High School's marching band, called the "Royal Regiment," represented California at Ronald Reagan's 1981 inaugural parade. "When Johnny Comes Marching Home" was played by the marching band as hostages were released from the American embassy in Tehran.In fall 1996, a scene from the 1997 film Wag the Dog was filmed at FVHS during a basketball game and utilized the 1997 graduating class as extras. In March 2005, the Fountain Valley High School drumline and band was filmed in Gwen Stefani's "Hollaback Girl" music video.In April 2007, Fountain Valley High School was recognized as a California Distinguished School for the second consecutive time. Fountain Valley High School is also renowned for its vocal music program and the advanced choir, called the “Troubadours,” who have performed at various conferences and conventions.

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.