Westmont, CA

Very High · 135

California · Population 34,291 · Updated March 2026

$1,413
Median Rent / Month
$47,899
Median Income
$617,300
Median Home Value
$1,536
Owner Costs / Month

Affordability

How far your income goes in Westmont

35.4%
Rent-to-Income Ratio
Burdened
Rent takes more than 35% of median income — considered cost-burdened.

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

$16,956
Annual Rent
$6,371
State Income Tax
$4,383
Property Tax (est.)

Cost of Living Overview

Westmont has a significantly higher cost of living than most US cities, driven largely by premium housing costs. With a cost index of 135 (where 100 equals the national median), Westmont residents can expect to pay median rent of $1,413/month while earning a median household income of $47,899/year.

The median home value in Westmont, CA is $617,300, with typical monthly owner costs around $1,536 including mortgage, insurance, and taxes. The 35.4% rent-to-income ratio indicates significant housing cost burden. Residents spend well over a third of their income on rent alone.

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 Westmont.

Frequently Asked Questions

Common questions about living costs in Westmont

What is the cost of living in Westmont, CA?
The cost of living index in Westmont, CA is 135 (US average = 100). Median monthly rent is $1,413, median household income is $47,899/year, and the median home value is $617,300.
Is Westmont, CA affordable?
No, Westmont is more expensive than the national average with a cost index of 135. The rent-to-income ratio is 35.4%—above the 30%% affordability threshold.
What is the average rent in Westmont, CA?
The median gross rent in Westmont, CA is $1,413 per month according to the US Census Bureau ACS 2023 data. Annual rent costs approximately $16,956.
What is the median household income in Westmont?
The median household income in Westmont, CA is $47,899 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%.