Beautiful Home in Diamond Ridge within Walnut School District. Prestigous Diamond Bar High School. Open Floor Plan with Catheral Ceiling In the Living Room and Formal Dining Room. Remodeled Kitchen with New Cabinets and Granite Counter Tops and Stainless Steel Kitchen Appliances. Hardwood Flooring throughout. One Bedroom and One Upgraded Bathroom Downstairs. Large Master Bedroom with 180 Degree City Light View. House Condition Kept Very Well. Newer Central Air Conditioning. 3 Car Attached Garage. Professional Landscaping with Ice Plants for Water Consevation. Awesome Curb Appeal. Convenient Location to Bus Stops, H-Mart and Bank Shopping Center. Quiet and Nice Neighborhood. Easy Access to Orange Country and Other Counties by 57Fwy and 60Fwy.
Single-familyProperty Type
1979Year Built
7,973 sq ftLot Size
$518Est. Price/Sq.Ft.
3 car garageParking
Listed by Cathy Cheng•DRE #01270713• CC Royal Realty
Bought with FINNEY WEI•DRE #01930147• TSE REALTY & MANAGEMENT SERVIC
Three car garage. Two story high home. laminated floor. high ceiling
6 years ago• May not reflect the current state of the home
Kevin Kim
Redfin Associate agent
Sale history for 21577 Running Branch Rd
Date
Event
Price
CRMLS #TR20157237
Oct 28, 2020
Sold
$888,000
$329/sq ft
Sep 26, 2020
Contingent
—
Sep 11, 2020
Relisted
—
Aug 19, 2020
Price Changed
$899,999
$334/sq ft
Aug 5, 2020
Listed
$948,000
$352/sq ft
CRMLS #PW18233965
Dec 13, 2018
Listing Removed
—
Oct 15, 2018
Price Changed
$948,000
$352/sq ft
Sep 25, 2018
Listed
$979,000
$363/sq ft
CRMLS #H08089328
Jul 20, 2008
Listing Removed
—
Jun 19, 2008
Listed
$759,000
$282/sq ft
CRMLS #H08062050
May 19, 2008
Listing Removed
—
May 6, 2008
Price Changed
$719,000
$267/sq ft
Apr 28, 2008
Listed
$779,000
$289/sq ft
Public Records
Jan 26, 1990
Sold
$355,000
$132/sq ft
Public Records
Jun 17, 1987
Sold
$227,500
$84/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$12,271 (+5.6%)
$611,573 + $349,624
$961,197
2024
$11,626 (+3.4%)
$611,573 + $349,624
$961,197
2023
$11,248 (+2.1%)
$599,582 + $342,769
$942,351
2022
$11,013 (+1.9%)
$587,826 + $336,049
$923,875
2021
$10,806 (+43.8%)
$576,300 + $329,460
$905,760
2020
$7,517 (+1.9%)
$565,000 + $323,000
$888,000
2019
$7,374 (+4.2%)
$260,736 + $336,440
$597,176
2018
$7,076 (+4.7%)
$255,624 + $329,844
$585,468
2017
$6,755 (+3.2%)
$245,699 + $317,037
$562,736
2016
$6,546 (−0.6%)
$245,699 + $317,037
$562,736
2015
$6,586 (−0.1%)
$240,882 + $310,821
$551,703
2014
$6,593 (−20.0%)
$232,617 + $300,156
$532,773
2012
$8,237 (+29.0%)
$231,566 + $298,800
$530,366
2011
$6,385 (+1.6%)
$218,000 + $450,000
$668,000
2010
$6,288 (+0.3%)
$222,575 + $287,199
$509,774
2009
$6,269 (+2.7%)
$220,912 + $285,053
$505,965
2008
$6,102
$221,437 + $285,731
$507,168
Tax history for 21577 Running Branch Rd
Year
Property tax
Land + Additions
Assessment*
2025
$12,271 (+5.6%)
$611,573 + $349,624
$961,197
2024
$11,626 (+3.4%)
$611,573 + $349,624
$961,197
2023
$11,248 (+2.1%)
$599,582 + $342,769
$942,351
2022
$11,013 (+1.9%)
$587,826 + $336,049
$923,875
2021
$10,806 (+43.8%)
$576,300 + $329,460
$905,760
2020
$7,517 (+1.9%)
$565,000 + $323,000
$888,000
2019
$7,374 (+4.2%)
$260,736 + $336,440
$597,176
2018
$7,076 (+4.7%)
$255,624 + $329,844
$585,468
2017
$6,755 (+3.2%)
$245,699 + $317,037
$562,736
2016
$6,546 (−0.6%)
$245,699 + $317,037
$562,736
2015
$6,586 (−0.1%)
$240,882 + $310,821
$551,703
2014
$6,593 (−20.0%)
$232,617 + $300,156
$532,773
2012
$8,237 (+29.0%)
$231,566 + $298,800
$530,366
2011
$6,385 (+1.6%)
$218,000 + $450,000
$668,000
2010
$6,288 (+0.3%)
$222,575 + $287,199
$509,774
2009
$6,269 (+2.7%)
$220,912 + $285,053
$505,965
2008
$6,102
$221,437 + $285,731
$507,168
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Public record
Public record
Zoning
Beds
4
Baths
3
Stories
—
Lot width
—
Lot depth
—
Lot size
7,976 Sq. Ft.
Year renovated
1979
Sq. Ft.
2,695
Year built
1979
Style
Single Family Residential
County
Los Angeles County
APN
8714010020
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Aug 30, 2026.
RL
Low Density Residential District
The RL zoning district is intended primarily for parcels developed with existing detached single-family dwellings. The maximum allowed density for new residential subdivisions within this zoning district will be three dwellings per gross acre. The RL zoning district is consistent with the low density residential land use category of the general plan.
Permitted uses
Include but are not limited to:
Livestock production
Housing-Single unit
Housing-Senior
Housing-Other
Infrastructure
Fire house
Police station
Park & open space
Property details
Parking
Parking / Garage Information
Attached Garage
# of Garage Spaces: 3
# of Parking Spaces: 3
Interior
Laundry Information
Has Laundry
Gas & Electric Dryer Hookup, Individual Room
Bathroom Information
# of Baths (Full): 3
Cooling Information
Central
Has Cooling
Room Information
Center Hall, Family Room, Formal Entry, Foyer, Laundry
Fireplace Information
Family Room
Has Fireplace
Heating Information
Central Furnace
Has Heating
Interior Features
Levels: Two
Main Level Bathrooms: 1
Main Level Bedrooms: 1
Exterior
Exterior Information
Structure Type: House
Exterior Features
Pool Features: None
Lot Information
Elevation Units: Feet
Lot Size Source: Assessor's Data
Lot Features: 0-1 Unit/Acre
Property Information
Total # of Units: 1
Common Walls: No Common Walls
Parcel Number: 8714010020
Total # of Stories: 2
Has View
Year Built Source: Assessor
Utilities
Utilities Information
Sewer: Public Sewer
Water Source: District/Public
Location
Neighborhood Information
Community Features: Curbs
School Information
High School District: Walnut Valley Unified
Location Information
Latitude: 33.96495100
Longitude: -117.83891300
Directions: Hawkwood rd and Cold Spring
Zoning: LCR19000*
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 2,695
Stories: —
Lot Size: 7,976 square feet
Style: Single Family Residential
Year Built: 1979
Year Renovated: 1979
County: Los Angeles County
APN: 8714010020
Home facts updated by county records on Aug 30, 2026
Other
Listing Information
Days Active in MLS: 42
Continuous Days Active in MLS: 42
Listing Agent Information
List Agent First Name: Cathy
List Agent Last Name: Cheng
Listing Office Information
List Office Name: CC Royal Realty
Selling Agent Information
Buyer Agent First Name: FINNEY
Buyer Agent Last Name: WEI
Selling Office Information
Buyer Office Name: TSE REALTY & MANAGEMENT SERVIC
Around this home
Schools
Castle Rock Elementary School
Public K-5 • Assigned • 0.6mi
10/10
South Pointe Middle School
Public 6-8 • Assigned • 1.9mi
10/10
Diamond Bar High School
Public 9-12 • Assigned • 1.1mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
The real estate market is becoming more balanced. Buyers have more inventory, more data, and more time to make informed decisions than they did a year ago. Well-priced homes are still moving quickly, but today’s market rewards preparation, strategy,...