21408 Running River Court Diamond Bar, CA ^$ 1,300,000

21408 Running River Court

^$ 1,300,000

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21408 Running River Court

Diamond Bar, CA, 91765

^$ 1,300,000

Bedrooms5 Baths4.0 Sq 2,334

Monthly Estimate*

^$ 8,004

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Single Family Home for sale in Diamond Bar, CA

for $1,300,000 with 5 bedrooms and 4 full baths. This 2,334 square foot home was built in 1977 on a lot size of 0.18.

Picture yourself at 21408 Running River Ct, a residence designed for everyday comfort and enjoyment. Inside, a cozy fireplace provides warmth, while the kitchen features all stainless steel appliances complemented by an accent backsplash. The exterior boasts a covered patio extending to a private in ground pool, all within a fenced in backyard. This property is perfect for outdoor living and comfort.. Included 100-Day Home Warranty with buyer activation

Single Family Active

Price

^$ 1,300,000

Bedrooms

Full Bath

Property Type

Single Family

Taxes

^$ 0

Style

Single Family Residence

Lot Size

0.18

Year Built

1977

Town/City

Diamond Bar

County/Region

Los Angeles

MLS | Web ID

0026840319

Features

General

Living Area 2334

Cooling Central Air See Remarks

Zoning LCR1*

Year Built 1977

View See Remarks

Levels Two

Property Subtype Single Family Residence

County Los Angeles

New Construction false

Property Type Residential

Association Amenities Gas

HOA false

Attached Garage true

Status Active

City Diamond Bar

Senior Community Y/N false

MLS Area 616 - Diamond Bar

Lot Size Units Square Feet

Lot Size Square Feet 7980

Spa Features In Ground

Structure Type None

Standard Status Active

Year Built Source Assessor

Interior

Interior Amenities Granite Counters

Total Stories 2

Air Conditioning Y/N true

Heating Y/N true

Fireplace Y/N true

Total Baths 4

Exterior

Water Source None

Lot Size Area 7980

Spa false

Building Area Total 2334

Lot Size Acres 0.18

* Excluded Features

List By

Melissa Westfall

Listing Agent

Opendoor Brokerage Inc.

Broker

homes@opendoor.com

Affordability Calculator

$8,004

Per Month

Monthly Principal & Interest: $8,004
Monthly Property Taxes: --
Monthly Home Insurance: --

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Yearly Home Insurance

Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

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Nearby

Trends
Schools

Single family listings in Diamond Bar, CA

Average List Price ^$2,306,490

Percent of Sale Price 77%

About Diamond Bar, CA

55,654 Population

0% Since 2002

^$90,714 Median Income

42.58 Median Age

32% Households with Children

View more area information

Trends Information provided by ATTOM Data Solutions.

4827338 Elementary School

0 Middle School

Unknown High School High School

See complete school information

Pricing History

Date	Price	Price Change	Description
5/29/2026	$1,300,000		Listed Price

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21408 Running River Court, Diamond Bar, CA, 91765 is a Single Family Home for sale at $1,300,000 with 2,334 sqft and a lot size of 0.18. 21408 Running River Court has 5 bedrooms, 4.0 baths, and was built in 1977. The property's zip code is 91765 which is in Diamond Bar, CA

*Information deemed reliable but not guaranteed.

Financial calculator disclaimer: Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

Listing data provided courtesy of the Internet Data Exchange Program of the California Desert Association of Realtors.

Based on information from the California Desert Association of REALTORS® as of 5/30/2026. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.

The data relating to real estate for sale on this web site comes in part from the Internet Data Exchange Program of the California Desert Association of Realtors. Real Estate listings held by brokerage firms (licensees) other than Weichert Realtors include the name of the listing brokers.

The information being provided is for consumers' personal, non-commercial use and may not be reproduced or redistributed. Its sole purpose is to be used to identify prospective properties consumers may be interested in purchasing.

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21408 Running River Court

Single Family Home for sale in Diamond Bar, CA

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