Castaic, CA vs Lucas Valley-Marinwood, CA

The cost of living difference between Castaic, CA and Lucas Valley-Marinwood, CA is dramatic. Castaic is 41.5% cheaper than Lucas Valley-Marinwood, a gap that translates to thousands of dollars per year in household expenses. Castaic has a cost index of 152 while Lucas Valley-Marinwood sits at 259, making this one of the more striking comparisons on our site. Relocating between these cities would require a serious reassessment of budget and lifestyle expectations.

On the housing front, median rent in Castaic is $1,751/month compared to $3,501/month in Lucas Valley-Marinwood — a 50% difference. Home values follow the same pattern: Castaic is more affordable at $710,400 median vs $1,360,000.

Median household income in Castaic is $132,153 compared to $200,938 in Lucas Valley-Marinwood (-34.2%). The higher salaries in Lucas Valley-Marinwood partially offset the cost difference, but don't fully close the gap. Looking at affordability, residents of Castaic spend roughly 15.9% of their income on rent, less than the 20.9% in Lucas Valley-Marinwood.