What is the average rent of an apartment in Diamond Bar, CA?

The average rent of an apartment in Diamond Bar, CA is $2,855 per month. This is about 46% higher than the national average.

When is the average rent cheapest in Diamond Bar, CA?

In the last year, the average rent in Diamond Bar, CA was lowest in Jul 2025 when it was $3,350 per month.

In the last year, the average rent in Diamond Bar, CA was highest in Jun 2025 when it was $3,998 per month.

The average rent of a 1 bedroom apartment in Diamond Bar, CA is $1,888 per month. That is about $388 more than the cost of a studio apartment.

There are 78 available rental listings in Diamond Bar, CA.

Diamond Bar, CA includes zip codes such as: 91789 , 91765 .

Some nearby cities include: Walnut , Rowland Heights , Brea , Pomona , Chino Hills . These cities may have more rental options to explore.

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APPLY INSTANTLY
FURNISHED
ROOM FOR RENT
$1,300/mo
1 Bed
1 Bath
Room for rent
707 Lincoln Ave #B,
Walnut, CA 91789
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APPLY INSTANTLY
ROOM FOR RENT
$1,888/mo
1 Bed
1 Bath
Room for rent
1731 Leaning Pine Dr,
Diamond Bar, CA 91765
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APPLY INSTANTLY
FURNISHED
ROOM FOR RENT
$1,200/mo
Total price
1 Bed
1 Bath
Room for rent
2406 Castle Rock Rd,
Diamond Bar, CA 91765
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ROOM FOR RENT
$900/mo
1 Bed
1 Bath
Room for rent
1510 Bluff Ct,
Diamond Bar, CA 91765
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APPLY INSTANTLY
FURNISHED
ROOM FOR RENT
$1,150/mo
Total price
2 Beds
3 Baths
Room for rent
22885 Hilton Head Dr #260,
Diamond Bar, CA 91765
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APPLY INSTANTLY
FURNISHED
ROOM FOR RENT
$1,200/mo
2 Beds
1.5 Baths
Room for rent
23670 Monument Canyon Dr #F,
Diamond Bar, CA 91765
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FURNISHED
ROOM FOR RENT
$1,050/mo
1 Bed
1 Bath
Room for rent
23939 Palomino Dr,
Diamond Bar, CA 91765
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Apartments For Rent Near Diamond Bar, CA

Rent in Diamond Bar, CA varies by number of bedrooms and home type. Use these charts to quickly see how rent changes.

Average rent increased in Sep 2026 compared to the previous month. Rent previously peaked in Jun 2025.

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In September 2026, Apartments and Condos were the most affordable home type to rent compared with Townhomes and Houses.

	1 bed	2 beds	3 beds	4 beds	All
All home types	$1,888	$2,650	$3,775	$4,700	$3,615
Townhomes	—	$3,147	$3,600	$4,200	$3,600
Apartments and Condos	$2,045	$2,550	$3,000	$4,250	$2,500
Houses	$1,200	$3,450	$3,950	$4,800	$4,500

What is the average rent of an apartment in Diamond Bar, CA?
The average rent of an apartment in Diamond Bar, CA is $2,855 per month. This is about 46% higher than the national average.
When is the average rent cheapest in Diamond Bar, CA?
In the last year, the average rent in Diamond Bar, CA was lowest in Jul 2025 when it was $3,350 per month.
When is the average rent most expensive in Diamond Bar, CA?
In the last year, the average rent in Diamond Bar, CA was highest in Jun 2025 when it was $3,998 per month.
How does the rent of a 1 bedroom apartment compare to a studio apartment in Diamond Bar, CA?
The average rent of a 1 bedroom apartment in Diamond Bar, CA is $1,888 per month. That is about $388 more than the cost of a studio apartment.
How many available rental listings are in Diamond Bar, CA?
There are 78 available rental listings in Diamond Bar, CA.
What are some zip codes in Diamond Bar, CA?
Diamond Bar, CA includes zip codes such as: 91789, 91765.
What are some cities near Diamond Bar, CA?
Some nearby cities include: Walnut, Rowland Heights, Brea, Pomona, Chino Hills. These cities may have more rental options to explore.