Santa Clarita Valley Lake Community
About Castaic, CA
Welcome to Castaic, a northwestern Los Angeles County community in the Santa Clarita Valley, anchored by Castaic Lake and its boating, fishing, and mountain foothills.
Castaic is an unincorporated community in the northwest corner of Los Angeles County, set within the Santa Clarita Valley where Interstate 5 climbs toward the Grapevine. The community's name reflects its Chumash and Spanish heritage, and its modern identity is inseparable from the water stored at its doorstep: Castaic Lake, a reservoir formed by Castaic Dam, serves both as a regional water resource and as a major recreation area. With roughly 19,000 residents, Castaic functions as a residential and outdoor-oriented community on the outer edge of the Los Angeles metropolitan area. It sits near the junction of Interstate 5 and State Route 126, a position that puts Santa Clarita's retail and employment centers minutes away and gives commuters a direct route toward the San Fernando Valley and Los Angeles. Castaic Lake State Recreation Area is the local centerpiece. The upper lake supports sailing, power boating, and fishing, while the lower lake is reserved for non-motorized craft and seasonal swimming, with hiking, biking, and picnic areas around the shore. The surrounding foothills of the Angeles National Forest extend the outdoor options. Public education is handled by the Castaic Union School District for elementary and middle grades, with older students continuing at nearby high schools. The community mixes newer master-planned neighborhoods with established areas, and its northern reach puts the wide-open spaces of the high desert and the Tejon corridor within a short drive. Castaic tends to appeal to families and commuters drawn to its lake, its open setting, and its position along one of the state's busiest travel corridors.
Frequently Asked Questions
What county is Castaic in?
Castaic is in Los Angeles County, California, in the northwestern part of the county. It sits within the Santa Clarita Valley, near the junction of Interstate 5 and State Route 126, just north of the city of Santa Clarita.
How far is Castaic from Los Angeles?
Castaic is roughly 40 miles north of downtown Los Angeles, reached via Interstate 5 through the Santa Clarita Valley and the San Fernando Valley, with a drive time of about 45 minutes to an hour depending on traffic.
What is Castaic Lake known for?
Castaic Lake is a reservoir and state recreation area offering two lakes: an upper lake for power boating, sailing, and fishing, and a lower lake for non-motorized boating and seasonal swimming, with trails and picnic areas around the shore.
What school district serves Castaic?
Castaic is served by the Castaic Union School District, which provides elementary and middle school education for the community. High school students continue on to nearby schools in the surrounding area, including those in the Santa Clarita Valley.
City Guide
About Castaic
Real Estate & Housing
Castaic's housing is anchored by newer master-planned neighborhoods built as the community grew along the I-5 corridor, alongside established areas closer to the lake and the valley floor. Single-family homes dominate, with a supply of townhomes and larger hillside and foothill properties near the reservoir and the national forest boundary. The community's distance from central Los Angeles and its lake-and-foothills setting give it a more open, spacious character than many parts of the county.
Neighborhoods
Castaic is organized around the I-5 and State Route 126 corridors and the lake that anchors its northern end. Newer residential developments cluster near the freeway interchanges and along the valley floor, while foothill and hillside areas offer larger lots and views of the lake and the Angeles National Forest. The community's neighborhoods range from compact planned tracts to more spacious, semi-rural properties, all within a short drive of Santa Clarita's commercial centers.
Lifestyle in Castaic
Life in Castaic blends suburban convenience with outdoor recreation. Castaic Lake is the defining amenity, drawing boaters, anglers, and families to its shores, while the surrounding foothills and the Angeles National Forest provide trails and open space. Daily shopping, dining, and services are a short drive away in Santa Clarita, and the community's freeway position keeps the wider Los Angeles region accessible. The pace is quieter than in the city, with a strong orientation toward the outdoors.
Schools & Education
Students in Castaic attend the Castaic Union School District, which serves the community through eighth grade with a small network of elementary and middle schools. High school students continue to nearby schools in the surrounding area. The district's community scale and the area's residential growth make schools a central part of Castaic life, and families moving to the area generally enroll through the Castaic Union system for the elementary and middle years.
Getting Around
Castaic sits at the junction of Interstate 5 and State Route 126, one of the most heavily traveled corridors in the state. Interstate 5 connects the community south to Santa Clarita, the San Fernando Valley, and Los Angeles, and north over the Grapevine toward the Central Valley. State Route 126 runs west toward Ventura County. Metrolink commuter rail is available in nearby Santa Clarita, and the freeway network makes Castaic a practical base for commuters.
Parks & Recreation
Castaic Lake State Recreation Area is the heart of local recreation, offering two lakes — the upper lake for sailing, power boating, and fishing, and the lower lake for non-motorized boating and seasonal swimming — along with hiking, biking, picnic areas, and playgrounds. The lake is stocked with bass, trout, and catfish. Beyond the lake, the Angeles National Forest and surrounding foothills provide trails and open space, and the community's northern location opens up access to the region's broader outdoor destinations.
MARKET SNAPSHOT
The Market at a Glance
How homes have been selling here over the last 90 days.
Price & Sales History
Market data reflects closed sales over the last 90 days and is provided for informational purposes.
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Houses in Castaic, CA
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Zip Codes
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