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Off market dec 2022 for $1M

$1,117,954

Est. refi paymentEst. refi $6,633/mo

•

1,755

sq ft

20811 Timberline Ln, Walnut, CA 91789

About this home

Beautifully updated south facing two-story home located in a quiet and picturesque neighborhood within the Walnut Valley Unified School District. From the double entry door you will enter into a spacious and functional floor plan with high ceilings and abundant natural light coming through the windows with custom shutters throughout. The living room has a gas fireplace and leads to an adjoining dining room. Downstairs you will also find a half bath for guests. The chef-ready kitchen has white shaker cabinets, Caesarstone quartz countertops, stainless steel farm sink, and Bedrosian glass subway tile backsplash, newer dishwasher, new stove, and plenty of cabinet space. A separate family room leads to the double French doors to the lush backyard with mature trees and drought tolerant landscaping. Upstairs you will find 3 bedrooms and 2 full size bathrooms along with a loft space that may be utilized for a home office, play area, or additional living space. The upstairs balcony from the main bedroom with ensuite bath offers additional outdoor space for relaxing. This home is close to schools, dining, shopping, recreation and hiking trails, with easy access to the 57 & 60 freeways, and the City of Industry Metrolink station. Also walking distance to Ronald Reagan Park with basketball court, playground, and 3 tennis courts. Come see all that is offered in function, style, and convenience in this fantastic Diamond Bar/Walnut neighborhood

Single-familyProperty Type

1989Year Built

3,998 sq ftLot Size

$637Est. Price/Sq.Ft.

2 car garageParking

Listed by Anna Tsai •DRE #02112624 • High Ten Partners Inc

Bought with Anna Tsai •DRE #02112624 • High Ten Partners Inc

Redfin checked: a minute ago

•Source:CRMLS #TR22239718

Redfin Estimate

$1,117,954

$110K since sold in December 2022$11K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 2.9% lower than the average sale price ($1.15M) of 6 comparable homes.

SOLD JUL 28, 2026
$1,100,000
A
3 beds3 baths1,578 sq ft
20814 E Boulder, Walnut, CA 91789
SOLD DEC 9, 2025
$1,116,000
B
3 beds2.5 baths1,755 sq ft
2707 S Rockridge Ln, Walnut, CA 91789
SOLD OCT 23, 2026
$1,075,000
C
4 beds3 baths2,178 sq ft
20951 High Country, Walnut, CA 91789
SOLD NOV 25, 2025
$1,308,000
D
3 beds2.5 baths1,755 sq ft
20834 E Boulder, Walnut, CA 91789
SOLD MAR 19, 2026
$1,060,000
E
3 beds2.5 baths1,546 sq ft
20700 Aspenwood, Walnut, CA 91789
Circa Properties, Inc.
SOLD MAY 13, 2026
$1,250,000
F
4 beds3 baths2,150 sq ft
20899 Starshine, Walnut, CA 91789

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Earn from this home

Sell

$308,305

Est. take-home

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Refinance

Est. cash available

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Rent

$3,916/mo

Redfin rental estimate

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Market trends in 91789, CA

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

98.8%

0.5% MoM

Median sale price

$1.3M

$21K MoM

Avg. days on market

41d

9 days MoM

Recently sold homes

3 MoM

New listings for sale

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OPEN TODAY, 1PM TO 4PM
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4 beds2 baths2,053 sq ft
20092 Wildcat Canyon Rd, Walnut, CA 91789
Century 21 Masters
OPEN TODAY, 2PM TO 4PM
$1,488,888
4 beds2 baths2,053 sq ft
20859 E Yellow Feather Cir, Walnut, CA 91789
OPEN TODAY, 1PM TO 4PM
$1,588,000
4 beds3.5 baths2,473 sq ft
19935 Camino De Rosa, Walnut, CA 91789
$1,758,000
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838 Streamview, Walnut, CA 91789
$1,899,990
4 beds4 baths2,330 sq ft
22138 Portofino Dr, Walnut, CA 91789
OPEN TODAY, 1PM TO 4PM
$777,000
3 beds2.5 baths1,846 sq ft
1034 E Romney Dr, Walnut, CA 91789
$1,200,000
4 beds3 baths2,763 sq ft
950 Coronel Ct, Walnut, CA 91789
OPEN TODAY, 1PM TO 4PM
$310,000
3 beds2 baths1,740 sq ft
20739 LYCOMING St #44, Walnut, CA 91789
See all

Provided by Redfin

Sale history for 20811 Timberline Ln

Date

Event

Price

CRMLS #TR22239718

Dec 16, 2022

Sold

$1,008,000

$574/sq ft

Nov 28, 2022

Pending

—

Nov 10, 2022

Listed

$1,038,888

$592/sq ft

CRMLS #PW15131979

Aug 5, 2015

Sold

$710,000

$405/sq ft

Jul 27, 2015

Pending

—

Jul 9, 2015

Relisted

—

Jul 2, 2015

Listing Removed

—

Jun 18, 2015

Listed

$723,000

$412/sq ft

Well Maintained South Facing Two Story Home Located in the Desirable Area of Diamond Bar. Freshly Painted Interior with Updated Kitchen and Bathrooms; Bright and Airy Open Floor Plan with Soaring Cathedral Ceiling; Living Room with Red Brick Fireplace with Formal Dining Area. Plantation Shutters and Recessed Lighting throughout. Double Doors Provide Access to the Backyard underneath the Master Bedroom Balcony. Cozy Loft (could be used as a study room or as an office space) with Skylight Adjacent to Master Bedroom Overlooks Living Room. The Master Suite Features Dual Sinks with Vanities; Stepping out from the Master Suite on to the Capacious Balcony looks down onto the Colorful Backyard. Just steps to Ronald Reagan Park with playground, tennis courts and basketball court. Easy access to freeways and shopping. Award winning School District.

Public Records

Sep 16, 1988

Sold

$174,000

$99/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$13,632 (+4.3%)

$714,935 + $354,761

$1,069,696

2024

$13,070 (+2.5%)

$700,917 + $347,805

$1,048,722

2023

$12,750 (+25.6%)

$687,174 + $340,986

$1,028,160

2022

$10,149 (+1.9%)

$673,700 + $334,300

$1,008,000

2021

$9,956 (+4.5%)

$431,369 + $360,645

$792,014

2020

$9,530 (+1.9%)

$422,911 + $353,574

$776,485

2019

$9,349 (+3.7%)

$418,575 + $349,949

$768,524

2018

$9,016 (+4.7%)

$410,368 + $343,088

$753,456

2017

$8,608 (+2.9%)

$394,434 + $329,766

$724,200

2016

$8,367 (+15.6%)

$394,434 + $329,766

$724,200

2015

$7,235

$386,700 + $323,300

$710,000

2014

$7,239 (+1.1%)

$371,874 + $210,097

$581,971

2012

$7,162 (+2.9%)

$370,194 + $209,148

$579,342

2011

$6,962 (−0.4%)

$362,936 + $205,048

$567,984

2010

$6,991 (+91.0%)

$355,820 + $201,028

$556,848

2009

$3,660 (+2.8%)

$353,161 + $199,526

$552,687

2008

$3,561

$128,747 + $143,168

$271,915

Tax history for 20811 Timberline Ln

Year

Property tax

Land + Additions

Assessment*

2025

$13,632 (+4.3%)

$714,935 + $354,761

$1,069,696

2024

$13,070 (+2.5%)

$700,917 + $347,805

$1,048,722

2023

$12,750 (+25.6%)

$687,174 + $340,986

$1,028,160

2022

$10,149 (+1.9%)

$673,700 + $334,300

$1,008,000

2021

$9,956 (+4.5%)

$431,369 + $360,645

$792,014

2020

$9,530 (+1.9%)

$422,911 + $353,574

$776,485

2019

$9,349 (+3.7%)

$418,575 + $349,949

$768,524

2018

$9,016 (+4.7%)

$410,368 + $343,088

$753,456

2017

$8,608 (+2.9%)

$394,434 + $329,766

$724,200

2016

$8,367 (+15.6%)

$394,434 + $329,766

$724,200

2015

$7,235

$386,700 + $323,300

$710,000

2014

$7,239 (+1.1%)

$371,874 + $210,097

$581,971

2012

$7,162 (+2.9%)

$370,194 + $209,148

$579,342

2011

$6,962 (−0.4%)

$362,936 + $205,048

$567,984

2010

$6,991 (+91.0%)

$355,820 + $201,028

$556,848

2009

$3,660 (+2.8%)

$353,161 + $199,526

$552,687

2008

$3,561

$128,747 + $143,168

$271,915

*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

Baths

2.5

Stories

—

Lot width

—

Lot depth

—

Lot size

3,998

Year renovated

1989

Sq. Ft.

1,755

Year built

1989

Style

Single Family Residential

County

Los Angeles County

APN

8765009082

Parking Spaces

Basement

Accessible

HOA Dues

$12 /month

Garage

Yes

Features

—

Last updated by owner on Aug 8, 2023.

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: 2
Direct Garage Access, Driveway, Garage, Garage - Front Entry, Garage - Single Door, Garage Door Opener, Street
# of Parking Spaces: 2

Interior

Laundry Information
Has Laundry
Gas & Electric Dryer Hookup, In Garage, Washer Hookup

Kitchen Information
Appliances: Dishwasher, Free Standing Range, Garbage Disposal, Gas Oven, Gas Cooktop, Range/Stove Hood, Water Heater Unit, Water Line to Refrigerator
Has Appliances
Kitchen Open to Family Room, Pots & Pan Drawers, Quartz Counters, Remodeled Kitchen, Self-closing cabinet doors, Self-closing drawers

Bathroom Information
# of Baths (Full): 2
# of Baths (1/2): 1
Bathtub, Shower in Tub, Double Sinks In Master Bath, Exhaust fan(s), Linen Closet/Storage

Cooling Information
Central
Has Cooling

Room Information
All Bedrooms Up, Family Room, Kitchen, Living Room, Loft, Primary Bathroom, Primary Bedroom, Primary Suite

Fireplace Information
Living Room, Gas
Has Fireplace

Heating Information
Central Furnace
Has Heating

Interior Features
Double Door Entry, French Doors
Levels: Two
Main Level Bathrooms: 1
Main Level Bedrooms: 0

Exterior

Exterior Information
Structure Type: House
Fencing: Excellent Condition
Has Fence

Exterior Features
Pool Features: None
Has Sprinklers

Lot Information
Elevation Units: Feet
Lot Size Source: Assessor's Data
Lot Features: Back Yard, Front Yard, Landscaped, Lawn, Level with Street, Lot Shape-Rectangular, Near Public Transit, Park Nearby, Sprinkler System, Sprinklers In Front, Sprinklers In Rear, Sprinklers Timer, Yard

Property Information
Common Interest: Planned Development
Total # of Units: 1
Common Walls: No Common Walls
Living Area Source: Assessor's Data
Parcel Number: 8765009082
Total # of Stories: 2
Year Built Source: Assessor

Financial

Assesments Information
Assessments: Unknown

Utilities

Utilities Information
Sewer: Public Sewer
Cable Available, Electricity Connected, Natural Gas Connected, Telephone - In Street, Sewer Connected, Water Connected
Water Source: District/Public

Location

Homeowners Association
Is Part of Association
Association Name: Woodglen II
Association Fee: $12
Association Fee Frequency: Monthly
Association Amenities: Other

Neighborhood Information
Community Features: Curbs, Gutters, Park, Sidewalks, Storm Drains, Street Lighting

School Information
High School District: Walnut Valley Unified

Location Information
Latitude: 33.97628500
Longitude: -117.85281100
Directions: From Pathfinder turn on Canyon Ridge Lane. Right onto Timberline Lane
Zoning: LCRPD100006U*

Public facts

Beds: 3
Baths: 2.5
Sq. Ft.: 1,755
Stories: —
Parking Spaces: 2
Basement: No
Accessible: No
Lot Size: 3,998 square feet
Style: Single Family Residential
Year Built: 1989
Year Renovated: 1989
County: Los Angeles County
APN: 8765009082
HOA Dues: $12/month
Garage: Yes
Features: —

Home facts updated by owner on Aug 8, 2023

Other

Listing Information
Days Active in MLS: 18
Continuous Days Active in MLS: 18

Listing Agent Information
List Agent First Name: Anna
List Agent Last Name: Tsai

Listing Office Information
List Office Name: Coldwell Banker George Realty

Selling Agent Information
Buyer Agent First Name: Anna
Buyer Agent Last Name: Tsai

Selling Office Information
Buyer Office Name: Coldwell Banker George Realty

Around this home

Schools

K - 12
Preschool & daycare

Castle Rock Elementary School

Public K-5 • Assigned • 0.6mi

10/10

South Pointe Middle School

Public 6-8 • Assigned • 1.1mi

10/10

Diamond Bar High School

Public 9-12 • Assigned • 0.9mi

10/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Local insights from Redfin agents

The Diamond Bar market is shifting, creating new opportunities for both buyers and sellers. Buyers have a bit more negotiating room, while well-priced, well-maintained homes can still attract strong interest. If you’re considering a move, I’d be...
1 week ago • Diamond Bar
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Redfin Premier agent
124 deals
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Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

5/10 Fire Factor

4% chance of being in a wildfire in next 30 years

6/10 Heat Factor

6 days above 99° expected this year, 17 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

7/10 Air Factor

13 unhealthy days expected this year, 14 days in 30 years

Provided by First Street

Historical weather

Walnut, CA • 91789

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 9.5 hours in June and 6.9 hours in December, placing it above the U.S. average for solar exposure.

9.5 hrs

6.9 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$1.06M – $1.29M

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Home values near 20811 Timberline Ln

Data from public records.

Address	Redfin Estimate
20828 Timberline Lane, Walnut, CA 3 Beds \| 2.5 Baths \| 1546 Sq. Ft.	$1,086,114
20816 Timberline Lane, Walnut, CA 3 Beds \| 3 Baths \| 1755 Sq. Ft.	$994,868
20804 Timberline Lane, Walnut, CA 3 Beds \| 3 Baths \| 1755 Sq. Ft.	$971,018
20778 Timberline Lane, Walnut, CA 3 Beds \| - Baths \| 1546 Sq. Ft.	$991,653
20803 Timberline Lane, Walnut, CA 3 Beds \| 2.5 Baths \| 1755 Sq. Ft.	$1,111,216
20819 Timberline Lane, Walnut, CA 3 Beds \| 3 Baths \| 1546 Sq. Ft.	$963,785
2811 Woodview Court, Walnut, CA 3 Beds \| 2 Baths \| 1306 Sq. Ft.	$879,923

Address	Redfin Estimate
20824 Timberline Lane, Walnut, CA 3 Beds \| 3 Baths \| 1755 Sq. Ft.	$1,073,258
20812 Timberline Lane, Walnut, CA 3 Beds \| 3 Baths \| 1546 Sq. Ft.	$952,015
20800 Timberline Lane, Walnut, CA 3 Beds \| 3 Baths \| 1546 Sq. Ft.	$973,658
20771 Timberline Lane, Walnut, CA 3 Beds \| 3 Baths \| 1755 Sq. Ft.	$983,518
20807 Timberline Lane, Walnut, CA 3 Beds \| 3 Baths \| 1546 Sq. Ft.	$976,279
20831 Timberline Lane, Walnut, CA 3 Beds \| 3 Baths \| 1755 Sq. Ft.	$1,106,451
2802 Woodview Court, Walnut, CA 3 Beds \| 3 Baths \| 1546 Sq. Ft.	$1,043,652

Address	Redfin Estimate
20820 Timberline Lane, Walnut, CA 3 Beds \| 3 Baths \| 1546 Sq. Ft.	$917,722
20808 Timberline Lane, Walnut, CA 3 Beds \| 2 Baths \| 1306 Sq. Ft.	$906,167
20782 Timberline Lane, Walnut, CA 3 Beds \| - Baths \| 1306 Sq. Ft.	$956,200
20775 Timberline Lane, Walnut, CA 3 Beds \| 2 Baths \| 1306 Sq. Ft.	$958,247
20815 Timberline Lane, Walnut, CA 3 Beds \| 2 Baths \| 1306 Sq. Ft.	$915,297
20835 Timberline Lane, Walnut, CA 3 Beds \| 3 Baths \| 1546 Sq. Ft.	$929,627
2804 Woodview Court, Walnut, CA 3 Beds \| 3 Baths \| 1755 Sq. Ft.	$1,038,535

Property information provided by CRMLS when last listed in 2022. This data may not show owner updates. Learn more.

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About this home

Redfin Estimate

Earn from this home

Market trends in 91789, CA

Sale history for 20811 Timberline Ln

Tax history for 20811 Timberline Ln

Public record

Property details

Around this home

Schools

Lifestyle

Local insights from Redfin agents

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 91789

Home values near 20811 Timberline Ln

More real estate resources