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

ZIP code in Castaic

ZIP code in Castaic: 91384.

Distances are straight-line from Fullerton 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.

The lay of the land

The center of Castaic is about 1,542 feet above sea level (USGS elevation data). Fullerton is at about 274 feet, which puts Castaic about 1,250 feet higher.

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.

Housing in Castaic

Census estimates count 5,839 housing units in Castaic. Half the homes date from 1992 or earlier. Single-family detached houses make up 86% of Castaic's homes. 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.

Fullerton and Castaic on the map

Measured in a straight line, Castaic is about 57 miles northwest of Fullerton. Road distance is longer, and it is one of the farther places on this site's list. A county line separates the two: Fullerton is in Orange County, Castaic is in Los Angeles County. Among the 305 places this site lists, Castaic is number 294 by distance from Fullerton. On a map, South San Gabriel, Monterey Park, Glendale, and Sylmar sit roughly between Fullerton and Castaic. The places on this site's list closest to Fullerton are La Habra, Anaheim, Placentia, and East Whittier.

Census Bureau ACS 2018-2022 estimates and USGS elevation.

Garage door repairs, explained

If you are comparing repair options, our pages on broken spring replacement, opener repair, snapped cables, off-track doors, and emergency repair explain what each job involves. Starting prices are on the pricing page; service at your address and the exact price are confirmed by phone.

Places in and around Castaic

Nearby places on the map include Hasley Canyon, Val Verde, and Stevenson Ranch.

Green spaces in and around Castaic: Camino del Valle Park, Castaic Sports Complex, Tapia Canyon Open Space, and Hasley Canyon Equestrian Center.

Schools in and around 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.

Close to Castaic

These places sit nearest Castaic and also have 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
• Santa Susana 15 mi
• Elizabeth Lake 19 mi

To check whether garage door service reaches your Castaic address, call the number above; dispatch can confirm it, and the exact price is confirmed before any work starts.

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