Castaic, CA

Very High · 177

California · Population 18,479 · Updated March 2026

$1,751
Median Rent / Month
$132,153
Median Income
$710,400
Median Home Value
$2,789
Owner Costs / Month

Affordability

How far your income goes in Castaic

15.9%
Rent-to-Income Ratio
Affordable
Rent takes less than 25% of median income — considered affordable by HUD standards.

Tax Burden in California

State-level tax rates that affect your costs

13.3%
Income Tax (Top Rate)
7.25%
Sales Tax
0.71%
Property Tax Rate

Estimated Annual Costs

$21,012
Annual Rent
$17,576
State Income Tax
$5,044
Property Tax (est.)

Cost of Living Overview

Castaic has a significantly higher cost of living than most US cities, driven largely by premium housing costs. With a cost index of 177 (where 100 equals the national median), Castaic residents can expect to pay median rent of $1,751/month while earning a median household income of $132,153/year.

The median home value in Castaic, CA is $710,400, with typical monthly owner costs around $2,789 including mortgage, insurance, and taxes. The median rent-to-income ratio of 15.9% means housing is relatively affordable here — well below the 30% threshold that HUD considers cost-burdened.

California's top income tax rate of 13.3% is among the highest in the nation, adding to the overall cost burden. Combined with a 7.25% sales tax rate and 0.71% effective property tax rate, the overall tax environment is a factor in the total cost of living in Castaic.

Frequently Asked Questions

Common questions about living costs in Castaic

What is the cost of living in Castaic, CA?
The cost of living index in Castaic, CA is 177 (US average = 100). Median monthly rent is $1,751, median household income is $132,153/year, and the median home value is $710,400.
Is Castaic, CA affordable?
No, Castaic is more expensive than the national average with a cost index of 177. The rent-to-income ratio is 15.9%—below the 30%% threshold considered affordable by HUD.
What is the average rent in Castaic, CA?
The median gross rent in Castaic, CA is $1,751 per month according to the US Census Bureau ACS 2023 data. Annual rent costs approximately $21,012.
What is the median household income in Castaic?
The median household income in Castaic, CA is $132,153 per year. This compares to the national median of approximately $80,000.
What are the taxes like in California?
California has a top income tax rate of 13.3%, a sales tax of 7.25%, and an effective property tax rate of 0.71%.