Castaic, CA: ZIP codes, distance and what to know

ZIP code in Castaic

Castaic ZIP code: 91384.

Distances are straight-line from Los Alamitos to the center of each ZIP code area. Residents, median year built and owner-occupied share are U.S. Census Bureau ACS 2018-2022 estimates for the ZIP code area. ZIP codes in Castaic: those whose USPS city name is Castaic (GeoNames) plus those whose area overlaps Castaic (U.S. Census ZCTA-to-place relationship file); a ZIP code can belong to more than one city. Listing a ZIP code here does not mean service to every address in it.

Places in and around Castaic

Neighborhoods and nearby communities around Castaic include Hasley Canyon, Val Verde, and Stevenson Ranch.

Parks in and around Castaic include Camino del Valle Park, Castaic Sports Complex, Tapia Canyon Open Space, and Hasley Canyon Equestrian Center.

Public schools near the center of Castaic include Castaic Elementary, Castaic Middle, Non-RIS Preschool CMS, and Castaic High.

Sources: OpenStreetMap contributors (neighborhoods, parks, museums), National Center for Education Statistics (public schools), CMS (hospitals). See also the Castaic city guide.

About Castaic

Castaic is an unincorporated community (a census-designated place) in Los Angeles County. The area of Castaic is about 7.3 square miles; its population is about 18,643, or 2,568 per square mile. The nearest city of 100,000 or more is Santa Clarita (about 229,159 residents), roughly 9 miles southeast.

From Los Alamitos to Castaic

Measured in a straight line, Castaic is about 57 miles northwest of Los Alamitos. Road distance is longer, and it is one of the farther places on this site's list. Castaic belongs to Los Angeles County, while Los Alamitos is in Orange County. Among the 290 places this site lists, Castaic is number 279 by distance from Los Alamitos. Between Los Alamitos and Castaic the map shows South Gate, Walnut Park, Huntington Park, and North Hollywood. The places on this site's list closest to Los Alamitos are Rossmoor, Cypress, Hawaiian Gardens, and Seal Beach.

Census Bureau ACS 2018-2022 estimates and USGS elevation.

Elevation and setting

The center of Castaic is about 1,542 feet above sea level (USGS elevation data). Los Alamitos is at about 25 feet, which puts Castaic about 1,500 feet higher.

The houses of Castaic

Castaic has about 5,839 housing units, according to the Census Bureau. The median home was built in 1992. 84% of occupied homes are owner-occupied. Garage door springs and cables wear with every cycle whatever the age of the house, so age is only one guide to when service is due.

Housing figures: U.S. Census Bureau, American Community Survey 2018-2022 5-year estimates for Castaic.

Around Castaic

Places close to Castaic with a page on this site:

• Hasley Canyon 2 mi
• Val Verde 3 mi
• Valencia 6 mi
• Santa Clarita 6 mi
• Stevenson Ranch 7 mi
• Newhall 9 mi
• Porter Ranch 15 mi
• Simi Valley 16 mi
• Winnetka 19 mi
• Bell Canyon 19 mi

About the repairs we do

These pages describe the repairs we do: broken spring replacement, emergency repair, new garage doors, off-track doors, and opener repair. See the pricing page for starting prices. Whether we can reach your address is confirmed on the phone.

If you live in Castaic and want to know whether we can service your garage door, call dispatch with the address; nothing on this page is a promise of service at a given address.

Prefer the Castaic pages themselves? Go to the Castaic page of our website.