Sold for $1,265,000

$1,265,000

21408 Running River Ct, Diamond Bar, CA 91765

5beds

2,334sqft

Residential, Single Family Residence

Built in 1977

7,980 Square Feet Lot

$1,264,900 Zestimate^®

$542/sqft

$5,133 Estimated rent

Home value

$1,264,900

$1.15M - $1.39M

$5,133/mo

Zestimate^® history

Owner options

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$5,133/mo

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$5,133/mo

Rent Zestimate^®

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$8,367/mo

Est. payment

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$8,367/mo

Est. payment

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What's special

Cozy fireplaceFenced in backyardIn ground poolAccent backsplashCovered patio

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 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

Facts & features

Interior

Bedrooms & bathrooms

Bedrooms: 5
Bathrooms: 4
Full bathrooms: 4

Kitchen

Features: Bar

Heating

Natural Gas

Cooling

Central Air

Appliances

Included: Range/Oven
Laundry: Other

Features

Flooring: Other
Number of fireplaces: 1
Fireplace features: Gas

Interior area

Total structure area: 2,334
Total interior livable area: 2,334 sqft

Property

Parking

Total spaces: 2
Parking features: Attached
Attached garage spaces: 2

Features

Levels: Two
Stories: 2
Pool features: In Ground
Spa features: None
Has view: Yes
View description: None

Lot

Size: 7,980 Square Feet
Features: Cul-De-Sac

Details

Additional structures: None
Parcel number: 8292020027
Zoning: LCR1*
Special conditions: Standard

Construction

Type & style

Home type: SingleFamily
Property subtype: Residential, Single Family Residence

Condition

Year built: 1977

Community & HOA

Community

Security: Security System Owned

HOA

Has HOA: No
Amenities included: None

Location

Region: Diamond Bar

Financial & listing details

Price per square foot: $542/sqft
Tax assessed value: $755,881
Date on market: 5/29/2026

Price history

Date	Event	Price
7/31/2026	Sold	$1,265,000-2.7%$542/sqft
Source: CLAW #26840319 Report a problem
7/7/2026	Pending sale	$1,300,000$557/sqft
Source: CLAW #26840319 Report a problem
5/29/2026	Listed for sale	$1,300,000+9.8%$557/sqft
Source: CLAW #26840319 Report a problem
4/27/2026	Sold	$1,183,500+100.6%$507/sqft
Source: Public Record Report a problem
7/12/2011	Sold	$590,000-16.9%$253/sqft
Source: Public Record Report a problem
1/17/2006	Sold	$710,000+113.9%$304/sqft
Source: Public Record Report a problem
6/20/2001	Sold	$332,000+23.4%$142/sqft
Source: Public Record Report a problem
8/4/1998	Sold	$269,000$115/sqft
Source: Public Record Report a problem

Public tax history

Year	Property taxes	Tax assessment
2026	--	$755,881 +2%
2025	$9,487 +5.5%	$741,060 +2%
2024	$8,994 +2.5%	$726,530 +2%
2023	$8,778 +2.1%	$712,286 +2%
2022	$8,594 +1.9%	$698,321 +2%
2021	$8,431 +1.3%	$684,629 +1%
2020	$8,323	$677,610 +2%
2019	$8,323 +6%	$664,324 +2%
2018	$7,855	$651,299 +2%
2017	$7,855 +4.8%	$638,530 +2%
2016	$7,495 +3.1%	$626,011 +1.5%
2015	$7,271 -0.7%	$616,608 +2%
2014	$7,320	$604,531 +2.5%
2012	--	$590,000 +0.2%
2011	--	$588,600 +3.4%
2010	--	$569,500
2009	--	$569,500 -15.3%
2008	--	$672,200 -7.2%
2007	--	$724,200 +97.8%
2006	--	$366,073
2005	--	$366,073 +4%
2004	--	$351,860 +1.9%
2003	--	$345,412 +2%
2002	--	$338,640 +23.4%
2000	--	$274,380