eaves Phillips Ranch
400 Appian Way,
Pomona, CA 91766
$1,953 - $2,855
Studio - 2 Beds
Rental Market Trends in Diamond Bar, CA
What is the average rent in Diamond Bar, CA?
$2,481/month
Average Rent
746 Sq Ft
Average Apartment Size
+6.4%
Increase in the Last Year
As of September 2025, the average rent in Diamond Bar, CA is $2,481 per month. This is 51% higher than the national average rent price of $1,639/month, making Diamond Bar one of the most expensive cities in the US. When you rent an apartment in Diamond Bar, you can expect to pay about per month for a studio, $2,481 for a one-bedroom apartment, and around $2,760 for a two-bedroom apartment. If you opt for a three-bedroom rental, you could pay $2,926 or more.
Floor Plan Type
Average Rent
Average Sq Ft
Floor Plan Type
Average Rent
Average Sq Ft
Floor Plan Type
Average Rent
Average Sq Ft
Floor Plan Type
Average Rent
Average Sq Ft
How much has average rent changed in Diamond Bar, CA?
In the past year, rent has increased by 6.4%, which averages out to $160 more per month.
Market Trends Over Time
The chart below compares average rent prices to the previous year during the same time period.
Last Updated September 2025
Legend
2024
2025
Rent Ranges in Diamond Bar, CA
Last Updated September 2025
Above $2,000
Most rental prices fall within this range
Percentage*
Rent Range
0%
Below $700/month
0%
$700 - $1,000/month
0%
$1,001 - $1,500/month
0%
$1,501 - $2,000/month
100%
Above $2,000/month
What salary do I need to live comfortably in Diamond Bar, CA?
Because the average rent in Diamond Bar is $2,481, you’ll want to make about $8,270 per month or $99,240 per year. The general guideline is to pay no more than 30 percent of your monthly income on rent. However, you’ll want to consider additional factors, such as your monthly bills and other expenses. Use our rent affordability calculator to help determine how much to budget for rent.
How does Diamond Bar, CA compare to other nearby cities and neighborhoods?
Use the tool below to compare Diamond Bar, CA to other nearby cities and neighborhoods. The Apartments.com neighborhood guides provide you with insight into the area’s transportation, things to do, and more.
Nearby City Rent Trends
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Methodology
† Our analysis of utilities, groceries, transportation, healthcare, home prices, and other goods and services is sourced from the Cost of Living Index, a respected benchmark published by the Council for Community and Economic Research (C2ER) that provides a thorough overview of living expenses across different regions.
Rent data is provided by CoStar Group’s Market Trend reports. As the industry leader in commercial real estate information, analytics, and news, CoStar conducts extensive research to produce and maintain a comprehensive database of commercial real estate information. We combine this data with public record to provide the most up-to-date rental information available.
Consumer goods, services, and home prices are sourced from the Cost of Living Index published by the Council for Community and Economic Research (C2ER). The data on this page is updated quarterly. It was last published in September 2025.
* Percentages may not total 100 due to rounding.