720 21st St
720 21st St,
Hermosa Beach, CA 90254
$4,375 - $6,500
2 Beds
$2,979/month
Average Rent
539 Sq Ft
Average Apartment Size
+0.3%
Increase in the Last Year
As of April 2026, the average rent in Hermosa Beach, CA is $2,979 per month. This is 82% higher than the national average rent price of $1,641/month, making Hermosa Beach one of the most expensive cities in the US. When you rent an apartment in Hermosa Beach, you can expect to pay about $2,426 per month for a studio, $2,979 for a one-bedroom apartment, and around $3,770 for a two-bedroom apartment. If you opt for a three-bedroom rental, you could pay $3,463 or more.
In the past year, rent has increased by 0.3%, which averages out to $11 more per month.
Because the average rent in Hermosa Beach is $2,979, you’ll want to make about $9,930 per month or $119,160 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.
Use the tool below to compare Hermosa Beach, 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.
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† 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 February 2026.
Demographic information comes from Neustar and combines detailed address data with U.S. Census and American Community Survey statistics to produce reliable local estimates.
* Percentages may not total 100 due to rounding.