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

ZIP code in Castaic

Castaic ZIP code: 91384.

Distances are straight-line from Diamond Bar 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.

On the map near Castaic

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

Parks near the center of 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. Castaic covers about 7.3 square miles and has about 18,643 residents, roughly 2,568 per square mile. The nearest city of 100,000 or more is Santa Clarita (about 229,159 residents), roughly 9 miles southeast.

Diamond Bar and Castaic on the map

Measured in a straight line, Castaic is about 57 miles northwest of Diamond Bar. Road distance is longer, and it is one of the farther places on this site's list. Both are in Los Angeles County. Of the 312 places on this site's list, Castaic ranks 304th in distance from Diamond Bar. Within Los Angeles County it is number 166 of 170 places on the list. Between Diamond Bar and Castaic the map shows Baldwin Park, Mayflower Village, Arcadia, and Altadena. Nearest to Diamond Bar on this site's list: Walnut, Rowland Heights, South San Jose Hills, and Pomona.

Census Bureau ACS 2018-2022 estimates and USGS elevation.

The lay of the land

The center of Castaic is about 1,542 feet above sea level (USGS elevation data). Diamond Bar is at about 991 feet, which puts Castaic about 550 feet higher.

Homes in Castaic

Castaic has about 5,839 housing units, according to the Census Bureau. Half the homes date from 1992 or earlier; 9% were built before 1980. 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.

Places near Castaic

Other places near Castaic that 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
• Agua Dulce 18 mi
• Bell Canyon 19 mi

Common garage door repairs

Our service pages explain the common garage door jobs: snapped cables, emergency repair, new garage doors, off-track doors, and opener repair. Prices on our pricing page are starting prices; service at your address is confirmed by phone and the exact price before any work.

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.

For more about Castaic, see the Castaic page of our website.