Off market may 2020 for $718K

$1,035,274

Est. refi paymentEst. refi $5,492/mo

•

1,546

sq ft

20740 Timberline Ln, Walnut, CA 91789

About this home

Single-familyProperty Type

1989Year Built

6,147 sq ftLot Size

$670Est. Price/Sq.Ft.

2 car garageParking

Listed by Steven Shiah •DRE #01789068 • C.B. Investment & Funding Grp

Bought with James Sudarsono •DRE #01974200 • KW Vision

Bought with Sean Tedja •DRE #02107525 • KW Vision

Redfin checked: a minute ago

•Source:CRMLS #OC20056581

Redfin Estimate

$1,035,274

$317K since sold in May 2020$9,000 since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 10.5% lower than the average sale price ($1.16M) 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 OCT 23, 2026
$1,075,000
B
4 beds3 baths2,178 sq ft
20951 High Country, Walnut, CA 91789
SOLD MAR 19, 2026
$1,060,000
C
3 beds2.5 baths1,546 sq ft
20700 Aspenwood, Walnut, CA 91789
Circa Properties, Inc.
SOLD DEC 9, 2025
$1,116,000
D
3 beds2.5 baths1,755 sq ft
2707 S Rockridge Ln, Walnut, CA 91789
SOLD MAY 13, 2026
$1,250,000
E
4 beds3 baths2,150 sq ft
20899 Starshine, Walnut, CA 91789
SOLD OCT 30, 2026
$1,341,000
F
4 beds3 baths2,558 sq ft
20920 Running Branch Rd, Diamond Bar, CA 91765

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Earn from this home

Sell

$478,102

Est. take-home

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Refinance

Est. cash available

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Rent

$3,865/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

OPEN SUN, 12PM TO 3PM
$998,888
4 beds3 baths2,668 sq ft
2630 Pointer, Walnut, CA 91789
OPEN SUN, 12PM TO 4PM
$1,550,000
4 beds3 baths1,874 sq ft
322 La Tortola, Walnut, CA 91789
OPEN SUN, 1PM TO 4PM
$1,450,000
4 beds2 baths2,053 sq ft
20092 Wildcat Canyon Rd, Walnut, CA 91789
Century 21 Masters
OPEN SUN, 2PM TO 4PM
$1,488,888
4 beds2 baths2,053 sq ft
20859 E Yellow Feather Cir, Walnut, CA 91789
OPEN SUN, 1PM TO 4PM
$1,588,000
4 beds3.5 baths2,473 sq ft
19935 Camino De Rosa, Walnut, CA 91789
$1,758,000
4 beds3 baths2,548 sq ft
838 Streamview, Walnut, CA 91789
$1,899,990
4 beds4 baths2,330 sq ft
22138 Portofino Dr, Walnut, CA 91789
OPEN SUN, 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 SUN, 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 20740 Timberline Ln

Date

Event

Price

Public Records

May 7, 2020

Sold

$719,000

$465/sq ft

CRMLS #OC20056581

May 7, 2020

Sold

$718,650

$465/sq ft

Apr 9, 2020

Contingent

—

Mar 13, 2020

Listed

$699,000

$452/sq ft

CRMLS #P841425

Dec 14, 2012

Sold

$540,000

$349/sq ft

Nov 27, 2012

Pending

—

Nov 23, 2012

Delisted

—

Nov 18, 2012

Listed

$525,000

$340/sq ft

The charming white gate welcomes you to this light, bright and open 3 bedroom, 2 1/2 bath home. There is no need to preview because the home has been beautifully maintained and is ready for you to move in. The living room has vaulted ceilings, wood floors, and an amazing fireplace to keep you warm in the winter. There is a remodeled kitchen with granite countertops, newer cabinets with pull out shelves, stainless steel appliances, and recessed lighting. The upstairs bathroom is tastefully remodeled with travertine tile. Do not miss the huge master bedroom with its plantation shutters and remodeled master bath, The sliders in the master lead out to a charming balcony where you can enjoy your morning coffee and the wonderful view. The back and side yards are very spacious and made for entertaining. Located in the coveted Walnut School District, close to Ronald Reagan Park and Diamond Bar High School - This will not last!!!

CRMLS #C615385

Aug 18, 2006

Sold

$615,000

$398/sq ft

Jun 27, 2006

Listed

$615,000

$398/sq ft

CRMLS #C612375

Jun 26, 2006

Listing Removed

—

May 26, 2006

Listed

$625,000

$404/sq ft

Public Records

Jan 31, 2002

Sold

$330,000

$213/sq ft

Public Records

May 21, 1998

Sold

$223,000

$144/sq ft

Public Records

Oct 14, 1988

Sold

$193,500

$125/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$10,541 (+4.5%)

$587,764 + $213,843

$801,607

2024

$10,084 (+2.5%)

$576,240 + $209,650

$785,890

2023

$9,839 (+2.2%)

$564,942 + $205,540

$770,482

2022

$9,629 (+1.9%)

$553,865 + $201,510

$755,375

2021

$9,448 (+23.0%)

$543,005 + $197,559

$740,564

2020

$7,681 (+1.9%)

$532,358 + $193,686

$726,044

2019

$7,537 (+3.7%)

$430,911 + $177,114

$608,025

2018

$7,265 (+4.7%)

$422,462 + $173,642

$596,104

2017

$6,941 (+2.9%)

$406,058 + $166,900

$572,958

2016

$6,747 (−0.6%)

$406,058 + $166,900

$572,958

2015

$6,785

$398,097 + $163,628

$561,725

2014

$6,790 (+15.3%)

$384,437 + $158,014

$542,451

2012

$5,891 (−3.0%)

$382,700 + $157,300

$540,000

2011

$6,075

$366,000 + $92,000

$458,000

2010

$6,071 (+0.5%)

$383,400 + $95,900

$479,300

2009

$6,042 (−11.0%)

$383,400 + $95,900

$479,300

2008

$6,785

$383,400 + $95,900

$479,300

Tax history for 20740 Timberline Ln

Year

Property tax

Land + Additions

Assessment*

2025

$10,541 (+4.5%)

$587,764 + $213,843

$801,607

2024

$10,084 (+2.5%)

$576,240 + $209,650

$785,890

2023

$9,839 (+2.2%)

$564,942 + $205,540

$770,482

2022

$9,629 (+1.9%)

$553,865 + $201,510

$755,375

2021

$9,448 (+23.0%)

$543,005 + $197,559

$740,564

2020

$7,681 (+1.9%)

$532,358 + $193,686

$726,044

2019

$7,537 (+3.7%)

$430,911 + $177,114

$608,025

2018

$7,265 (+4.7%)

$422,462 + $173,642

$596,104

2017

$6,941 (+2.9%)

$406,058 + $166,900

$572,958

2016

$6,747 (−0.6%)

$406,058 + $166,900

$572,958

2015

$6,785

$398,097 + $163,628

$561,725

2014

$6,790 (+15.3%)

$384,437 + $158,014

$542,451

2012

$5,891 (−3.0%)

$382,700 + $157,300

$540,000

2011

$6,075

$366,000 + $92,000

$458,000

2010

$6,071 (+0.5%)

$383,400 + $95,900

$479,300

2009

$6,042 (−11.0%)

$383,400 + $95,900

$479,300

2008

$6,785

$383,400 + $95,900

$479,300

*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

Stories

—

Lot width

—

Lot depth

—

Lot size

6,149 Sq. Ft.

Year renovated

1989

Sq. Ft.

1,546

Year built

1989

Style

Single Family Residential

County

Los Angeles County

APN

8765009045

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Oct 7, 2026.

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
# of Parking Spaces: 2

Interior

Laundry Information
Has Laundry
In Garage

Bathroom Information
# of Baths (Full): 3

Cooling Information
Central
Has Cooling

Room Information
All Bedrooms Up, Living Room, Primary Bathroom, Primary Bedroom, Primary Suite

Fireplace Information
Living Room
Has Fireplace

Heating Information
Central Furnace
Has Heating

Interior Features
Balcony, Cathedral-Vaulted Ceilings, Granite Counters, High Ceilings (9 Feet+)
Levels: Two
Main Level Bathrooms: 3
Main Level Bedrooms: 0

Exterior

Exterior Information
Structure Type: House

Exterior Features
Pool Features: None

Lot Information
Elevation Units: Feet
Lot Size Source: Assessor's Data
Lot Features: Back Yard, Front Yard

Property Information
Total # of Units: 1
Common Walls: No Common Walls
Parcel Number: 8765009045
Has View
Year Built Source: Assessor

Utilities

Utilities Information
Sewer: Public Sewer
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: Biking, Park, Sidewalks, Storm Drains, Street Lighting, Suburban

School Information
Elementary School: Castle Rock
Middle Or Junior School: South Pointe
High School: Diamond Bar
High School District: Walnut Valley Unified
Elementary School 2: CASROC
Middle Or Junior School 2: SOUPOI
High School 2: DIABAR

Location Information
Latitude: 33.97632400
Longitude: -117.85479900
Directions: Major cross streets: Pathfinder Rd and Canyon Ridge Rd
Zoning: LCRPD100006U*

Public facts

Beds: 3
Baths: 3.0
Sq. Ft.: 1,546
Stories: —
Lot Size: 6,149 square feet
Style: Single Family Residential
Year Built: 1989
Year Renovated: 1989
County: Los Angeles County
APN: 8765009045

Home facts updated by county records on Oct 7, 2026

Other

Listing Information
Days Active in MLS: 23
Continuous Days Active in MLS: 23

Listing Agent Information
List Agent First Name: Steven
List Agent Last Name: Shiah

Listing Office Information
List Office Name: C.B. Investment & Funding Grp

Selling Agent Information
Buyer Agent First Name: James
Buyer Agent Last Name: Sudarsono
Co-Buyer Agent First Name: Sean
Co-Buyer Agent Last Name: Tedja

Selling Office Information
Buyer Office Name: KW Vision
Co-Buyer Office Name: KW Vision

Around this home

Schools

K - 12
Preschool & daycare

Castle Rock Elementary School

Public K-5 • Assigned • 0.7mi

10/10

South Pointe Middle School

Public 6-8 • Assigned • 1.1mi

10/10

Diamond Bar High School

Public 9-12 • Assigned • 1.0mi

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
Sang Ur
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

5% chance of being in a wildfire in next 30 years

5/10 Heat Factor

5 days above 99° expected this year, 15 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

$984,000 – $1.19M

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Home values near 20740 Timberline Ln

Data from public records.

Address	Redfin Estimate
20770 Timberline Ln, Walnut, CA 3 Beds \| 3 Baths \| 1546 Sq. Ft.	$1,006,393
20758 Timberline Ln, Walnut, CA 3 Beds \| 2.5 Baths \| 1755 Sq. Ft.	$921,179
20746 Timberline Ln, Walnut, CA 3 Beds \| 3 Baths \| 1546 Sq. Ft.	$967,360
20734 Timberline Ln, Walnut, CA 3 Beds \| 2 Baths \| 1648 Sq. Ft.	$984,184
20724 Timberline Ln, Walnut, CA 3 Beds \| 2 Baths \| 1306 Sq. Ft.	$873,262
20719 Timberline Ln, Walnut, CA 3 Beds \| 2.5 Baths \| 1846 Sq. Ft.	$1,010,954
20729 Timberline Ln, Walnut, CA 3 Beds \| - Baths \| 1835 Sq. Ft.	$1,140,583

Address	Redfin Estimate
20766 Timberline Ln, Walnut, CA 3 Beds \| 2.5 Baths \| 1755 Sq. Ft.	$1,031,358
20754 Timberline Ln, Walnut, CA 3 Beds \| 3 Baths \| 1546 Sq. Ft.	$1,044,558
20742 Timberline Ln, Walnut, CA 3 Beds \| 3 Baths \| 1755 Sq. Ft.	$1,063,882
20732 Timberline Ln, Walnut, CA 4 Beds \| 4 Baths \| 2476 Sq. Ft.	$1,293,144
20711 Timberline Ln, Walnut, CA 3 Beds \| 2 Baths \| 1306 Sq. Ft.	$924,703
20723 Timberline Ln, Walnut, CA 3 Beds \| 3 Baths \| 1755 Sq. Ft.	$1,038,615
20759 Timberline Ln, Walnut, CA 3 Beds \| 2.5 Baths \| 1546 Sq. Ft.	$1,029,367

Address	Redfin Estimate
20762 Timberline Ln, Walnut, CA 3 Beds \| 2.5 Baths \| 1546 Sq. Ft.	$1,038,641
20750 Timberline Ln, Walnut, CA 3 Beds \| 3 Baths \| 1755 Sq. Ft.	$1,028,684
20736 Timberline Ln, Walnut, CA 4 Beds \| 4 Baths \| 2175 Sq. Ft.	$1,164,524
20728 Timberline Ln, Walnut, CA 3 Beds \| 3 Baths \| 1755 Sq. Ft.	$1,039,786
20715 Timberline Ln, Walnut, CA 3 Beds \| 3 Baths \| 1755 Sq. Ft.	$996,970
20727 Timberline Ln, Walnut, CA 3 Beds \| 2.5 Baths \| 1546 Sq. Ft.	$840,060
20763 Timberline Ln, Walnut, CA 3 Beds \| 2 Baths \| 1306 Sq. Ft.	$944,163

Property information provided by CRMLS when last listed in 2020. This data may not match . Learn more.

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About this home

Redfin Estimate

Earn from this home

Market trends in 91789, CA

Sale history for 20740 Timberline Ln

Tax history for 20740 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 20740 Timberline Ln

More real estate resources