El Dorado High School (Placentia, California)

The A. S. Bradford House, also known as The Bradford House, is a historic home in Placentia, California. It was the home of Albert Sumner Bradford, who founded Placentia by arranging for establishment of a water tank along the railway. Homes and businesses within a one-mile radius could get water. Designed by James Stafford, the Colonial Revival, 15-room house was built in 1902, in an orange grove.It was listed on the National Register of Historic Places in 1978, and operated as a house museum at one point. Albert Sumner Bradford (August 18, 1860—March 30, 1933), originally from Shapleigh, Maine, bought 20 acres land in 1890 in what would become his Tesoro Ranch Placentia. He did much to support growth of the citrus industry.

Bahnsen Theological Seminary was a Calvinist theological training institution, founded in 1997 and based in Placentia, California. It was most notably associated with Greg Bahnsen and Kenneth Gentry. It served as the degree granting division of the Southern California Center for Christian Studies. It offered instruction worldwide by correspondence, as well as courses presented locally. BTS offered four master's degree programs; Master of Divinity, Master of Christian Studies, Master of Apologetics, and Master of Philosophy. Faculty included:Kenneth Gentry Jr. ThD, ordained minister in the PCA Roger Wagner, ordained minister and pastor of Bayview Orthodox Presbyterian Church in Chula Vista, CA. Michael Butler, graduated magna cum laude from CSUF with a B.A. in philosophy and history, and a M.A. in philosophy from Claremont Graduate School. Jerry Crick, ordained as a minister in the Presbyterian Church of America and now serves as pastor of Scottish Presbyterian Kirk of the Covenant in Simpsonville, SC. Michael Mang, ordained minister in the P.C.A. and pastor of Fellowship Presbyterian Church in Greer, SC. Jeffrey Ventrella, ordained Ruling Elder in the Orthodox Presbyterian Church and regularly preaches and lectures in churches and mission works throughout the Pacific Northwest. George Scipione, minister in the Orthodox Presbyterian Church.

Placentia () is a city in northern Orange County, California, United States. Its population was 51,233 during the 2020 census, up from 46,488 in the 2000 census. This includes the community of Atwood, which is included in the city of Placentia, and is located in its southeastern quadrant. Primarily referred to as a bedroom community, Placentia is known for its quiet neighborhoods. In 1971, Placentia was honored with the prestigious "All America City" award, given out annually by the National Civic League to 10 cities in the United States.

The George Key Ranch Historic District, also known simply as Key Ranch, is a historic ranch and Victorian ranch house located in Placentia, Orange County, CaliforniaTwo acres of the former ranch is now the George Key Ranch Historic Park operated by Orange County Parks. It includes the historic house museum, a collection of farm equipment and hand tools, a one-acre orange grove, and 3/4-acre verse garden.The George Key Ranch Historic District was listed on the National Register of Historic Places in 1975.

Placentia-Linda Hospital is a for-profit hospital in Placentia, California that serves Northern Orange County. Founded in 1972, it has 114 beds and focuses on acute care.

Olinda Elementary is an elementary-level school located in Brea, California.

Carbon Canyon Dam (or Carbon Creek Dam) is a dam at the northern edge of Orange County, California. The dam is approximately 4 miles (6.4 km) east of the city of Brea and approximately 12 miles (19 km) north of the city of Santa Ana. The drainage area above the dam is 19.3 square miles (50 km2) and is encompassed entirely within the Puente and Chino Hills. The Carbon Canyon Creek flows in a generally southwesterly direction onto the coastal Orange County Plain, joins Coyote Creek, and then flows into the San Gabriel River.

The Fullerton Arboretum is a 26-acre (11 ha) botanical garden with a collection of plants from around the world, located on the northeast corner of the California State University, Fullerton campus in Fullerton, California, in the United States. It is the largest botanical garden in Orange County, with a collection of over 4,000 plants. The Arboretum saves species that are extinct or near extinction and serves as a learning place for agricultural history.The Arboretum officially was created in 1976, and officially opened in 1979. The arboretum, which was originally a diseased orange grove, was transformed into organic gardening plots. A centerpiece of the Arboretum is the Heritage House, which was built in 1894 as the home and office of Fullerton's pioneer physician, Dr. George C. Clark. In 1972 the house was moved to what is now the middle of the Arboretum. The Arboretum's garden paths wander through four major collections: Cultivated, Woodlands, Mediterranean and Desert Collections. Highlights include Southern California native vegetation, Rare Fruit Grove, an 11,000 sq ft (1,000 m2) organic vegetable garden, historic Citrus and Avocados, Channel Islands Garden, an extensive Cycad Collection, Conifer Collection, Palm Grove, Community Gardens, and a Children's Garden. The Arboretum gives people the opportunity to teach and learn about the environment. They work with students and faculty from a variety of different campus departments and gather information. The research that is done is shared throughout Orange County.

Placentia is a proposed Metrolink infill station located in the city of the same name along Metrolink's 91/Perris Valley Line. The Orange County Transportation Authority (OCTA) started discussing the station as early as 2012. A station planned for neighboring Yorba Linda was rejected by its local city council on March 16, 2004. The project was approved by the city in 2016, with construction planned to begin in 2018. A former packing house was demolished on the site to make way for the station. As of April 2019 construction was repeatedly delayed, owing to negotiations between Metrolink and the track's owners, BNSF. In January 2020, it was announced that construction of the Placentia Metrolink station would begin later in the year, with the station expected to be open by June 2022, but it has once again been delayed, with OCTA claiming construction of the project is "on hold" until mid-2024.The cost of the project is due at $34.8 million, of which the city pledged $5.4 million. In 2014, the project was pegged at an estimated $23.42 million, while a 2012 estimate was between $7.5–9 million.

Anderson Family Field is a college softball stadium on the campus of the California State University, Fullerton. It is the home venue of the Cal State Fullerton Titans softball team. It is named for four members of the Anderson family, who donated funds to update the stadium.The stadium has been renovated three times: in 1992, 1995, and 2000. A fourth major renovation is in progress as of 2021.

Goodwin Field is a 3,500-seat baseball park in the western United States, located in Fullerton, California. On the campus of California State University, Fullerton, it is primarily the home field of the four-time national champion CSUF Titans of the NCAA's Big West Conference. It is named for Jerry and Merilyn Goodwin, who gave $1 million toward a $3 million campaign for major renovations.In 2013, the Titans ranked 29th among Division I baseball programs in attendance, averaging 2,356 per home game.

Marshall B. Ketchum University is a private university focused on graduate programs in healthcare and located in Fullerton, California. MBKU expanded from the Southern California College of Optometry which was founded in 1904. The university was officially established as a multidisciplinary university with the addition of School of PA Studies in 2011 and College of Pharmacy in 2013. Along with Hope International University, the campus bookends the north and south sides of the Cal State Fullerton campus respectively. The university's clinical and teaching facility is known as Ketchum Health. The facility provides patient care for optometry in the University Eye Center in Anaheim and Los Angeles. It also provides patient care in internal medicine and Family Medicine in Anaheim.