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Off market dec 2010 for $460K

$958,247

Est. refi paymentEst. refi $3,054/mo

•

1,306

sq ft

20775 Timberline Ln, Walnut, CA 91789

About this home

Situated in the desirable Woodglen Community of Diamond Bar. This very bright, clean comfortable home is located on a corner lot of a cul-de-sac that provides a quiet atmosphere. Enter through a double door entryway into an open floor plan with high ceilings and experience a welcoming feel, this home shows the care it was given. Sought after Walnut School District and walking distance to Regan Park. Come and feel the charm this home has to offer.

Single-familyProperty Type

1989Year Built

4,652 sq ftLot Size

$734Est. Price/Sq.Ft.

2 car garageParking

Listed by RICHARD MATTHEWS •DRE #01740241 • Coldwell Banker Top Team

Bought with ALICE LIM •DRE #01225394 • C-21 GEORGE MICHAEL REALTY

Redfin checked: a minute ago

•Source:CRMLS #I10085130

Redfin Estimate

$958,247

$498K since sold in December 2010$3,000 since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 5.3% lower than the average sale price ($1.01M) 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 SEP 17, 2026
$930,000
B
3 beds2 baths1,300 sq ft
2726 Castle Rock, Diamond Bar, CA 91765
SOLD JUL 31, 2026
$875,000
C
3 beds2 baths1,300 sq ft
21245 Cold Spg, Diamond Bar, CA 91765
SOLD JUL 31, 2026
$975,000
D
3 beds2 baths1,300 sq ft
2606 Castle Rock Rd, Diamond Bar, CA 91765
Synergy Real Estate
SOLD OCT 23, 2026
$1,075,000
E
4 beds3 baths2,178 sq ft
20951 High Country, Walnut, CA 91789
SOLD DEC 9, 2025
$1,116,000
F
3 beds2.5 baths1,755 sq ft
2707 S Rockridge Ln, Walnut, CA 91789

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Earn from this home

Sell

$680,246

Est. take-home

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Refinance

Est. cash available

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Rent

$3,369/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
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20859 E Yellow Feather Cir, Walnut, CA 91789
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$1,588,000
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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 20775 Timberline Ln

Date

Event

Price

CRMLS #I10085130

Dec 3, 2010

Sold

$460,000

$352/sq ft

Nov 23, 2010

Pending

—

Oct 29, 2010

Pending

—

Oct 1, 2010

Price Changed

$487,000

$373/sq ft

Aug 10, 2010

Listed

$495,000

$379/sq ft

CRMLS #H308174

Nov 18, 2003

Sold

$381,000

$292/sq ft

Jul 30, 2003

Listed

$388,500

$297/sq ft

Public Records

Oct 28, 1998

Sold

$220,000

$168/sq ft

Public Records

Jul 28, 1993

Sold

$205,000

$157/sq ft

Public Records

Oct 5, 1988

Sold

$154,500

$118/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$8,194 (+4.8%)

$446,004 + $155,109

$601,113

2024

$7,822 (+3.6%)

$437,259 + $152,068

$589,327

2023

$7,552 (+2.2%)

$428,686 + $149,087

$577,773

2022

$7,387 (+2.0%)

$420,281 + $146,164

$566,445

2021

$7,244 (+5.7%)

$412,041 + $143,299

$555,340

2020

$6,853 (+1.9%)

$403,962 + $140,490

$544,452

2019

$6,724 (+3.6%)

$399,820 + $139,050

$538,870

2018

$6,490 (+4.6%)

$391,981 + $136,324

$528,305

2017

$6,203 (+2.8%)

$376,761 + $131,031

$507,792

2016

$6,031 (−0.6%)

$376,761 + $131,031

$507,792

2015

$6,065

$369,374 + $128,462

$497,836

2014

$6,069 (+1.1%)

$356,700 + $124,055

$480,755

2012

$6,003 (+1.4%)

$355,088 + $123,495

$478,583

2011

$5,917 (+10.2%)

$348,126 + $121,074

$469,200

2010

$5,369 (+0.3%)

$341,300 + $118,700

$460,000

2009

$5,352 (+2.7%)

$303,120 + $116,533

$419,653

2008

$5,211

$303,841 + $116,810

$420,651

Tax history for 20775 Timberline Ln

Year

Property tax

Land + Additions

Assessment*

2025

$8,194 (+4.8%)

$446,004 + $155,109

$601,113

2024

$7,822 (+3.6%)

$437,259 + $152,068

$589,327

2023

$7,552 (+2.2%)

$428,686 + $149,087

$577,773

2022

$7,387 (+2.0%)

$420,281 + $146,164

$566,445

2021

$7,244 (+5.7%)

$412,041 + $143,299

$555,340

2020

$6,853 (+1.9%)

$403,962 + $140,490

$544,452

2019

$6,724 (+3.6%)

$399,820 + $139,050

$538,870

2018

$6,490 (+4.6%)

$391,981 + $136,324

$528,305

2017

$6,203 (+2.8%)

$376,761 + $131,031

$507,792

2016

$6,031 (−0.6%)

$376,761 + $131,031

$507,792

2015

$6,065

$369,374 + $128,462

$497,836

2014

$6,069 (+1.1%)

$356,700 + $124,055

$480,755

2012

$6,003 (+1.4%)

$355,088 + $123,495

$478,583

2011

$5,917 (+10.2%)

$348,126 + $121,074

$469,200

2010

$5,369 (+0.3%)

$341,300 + $118,700

$460,000

2009

$5,352 (+2.7%)

$303,120 + $116,533

$419,653

2008

$5,211

$303,841 + $116,810

$420,651

*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

4,632 Sq. Ft.

Year renovated

1989

Sq. Ft.

1,306

Year built

1989

Style

Single Family Residential

County

Los Angeles County

APN

8765009069

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
Driveway, Direct Garage Access, Garage Door Opener
Has Parking

Interior

Laundry Information
Has Laundry
In Garage

Kitchen Information
Appliances: Dishwasher, Stove
Has Appliances

Bathroom Information
# of Baths (Full): 2

Cooling Information
Central
Has Cooling

Room Information
See Remarks

Fireplace Information
Living Room
Has Fireplace

Heating Information
Forced Air
Has Heating

Interior Features
Levels: One

Exterior

Exterior Information
Roof: Tile
Construction Materials: Other, Stucco

Exterior Features
Pool Features: None

Lot Information
Lot Size Source: Assessor's Data
Lot Features: Corner Lot, Sprinkler System

Property Information
Living Area Source: Assessor's Data
Parcel Number: 8765009069
Property Condition: Turnkey

Financial

Assesments Information
Assessments: Unknown

Utilities

Utilities Information
Sewer: Sewer Paid
Sewer Connected
Water Source: District/Public

Location

Homeowners Association
Association Fee: $10

School Information
High School District: Walnut Valley Unified

Location Information
Latitude: 33.97614500
Longitude: -117.85351400

Public facts

Beds: 3
Baths: 2.0
Sq. Ft.: 1,306
Stories: —
Lot Size: 4,632 square feet
Style: Single Family Residential
Year Built: 1989
Year Renovated: 1989
County: Los Angeles County
APN: 8765009069

Home facts updated by county records on Oct 7, 2026

Other

Listing Information
Days Active in MLS: 106
Continuous Days Active in MLS: 106

Listing Agent Information
List Agent First Name: RICHARD
List Agent Last Name: MATTHEWS

Listing Office Information
List Office Name: Coldwell Banker Top Team

Selling Agent Information
Buyer Agent First Name: ALICE
Buyer Agent Last Name: LIM

Selling Office Information
Buyer Office Name: C-21 GEORGE MICHAEL 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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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

5/10 Heat Factor

6 days above 99° expected this year, 16 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

$911,000 – $1.10M

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Home values near 20775 Timberline Ln

Data from public records.

Address	Redfin Estimate
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
20770 Timberline Lane, Walnut, CA 3 Beds \| 3 Baths \| 1546 Sq. Ft.	$986,420
20758 Timberline Lane, Walnut, CA 3 Beds \| 2.5 Baths \| 1755 Sq. Ft.	$907,199
20727 Timberline Lane, Walnut, CA 3 Beds \| 2.5 Baths \| 1546 Sq. Ft.	$826,409
20767 Timberline Lane, Walnut, CA 3 Beds \| 3 Baths \| 1676 Sq. Ft.	$953,358
20807 Timberline Lane, Walnut, CA 3 Beds \| 3 Baths \| 1546 Sq. Ft.	$976,279

Address	Redfin Estimate
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
20766 Timberline Lane, Walnut, CA 3 Beds \| 2.5 Baths \| 1755 Sq. Ft.	$1,029,466
20719 Timberline Lane, Walnut, CA 3 Beds \| 2.5 Baths \| 1846 Sq. Ft.	$1,095,993
20759 Timberline Lane, Walnut, CA 3 Beds \| 2.5 Baths \| 1546 Sq. Ft.	$1,036,722
20771 Timberline Lane, Walnut, CA 3 Beds \| 3 Baths \| 1755 Sq. Ft.	$983,518
20811 Timberline Lane, Walnut, CA 3 Beds \| 2.5 Baths \| 1755 Sq. Ft.	$1,117,954

Address	Redfin Estimate
20800 Timberline Lane, Walnut, CA 3 Beds \| 3 Baths \| 1546 Sq. Ft.	$973,658
20774 Timberline, Walnut, CA 3 Beds \| 3 Baths \| 1755 Sq. Ft.	$1,209,939
20762 Timberline Lane, Walnut, CA 3 Beds \| 2.5 Baths \| 1546 Sq. Ft.	$1,045,750
20723 Timberline Lane, Walnut, CA 3 Beds \| 3 Baths \| 1755 Sq. Ft.	$1,016,936
20763 Timberline Lane, Walnut, CA 3 Beds \| 2 Baths \| 1306 Sq. Ft.	$944,872
20803 Timberline Lane, Walnut, CA 3 Beds \| 2.5 Baths \| 1755 Sq. Ft.	$1,111,216
20815 Timberline Lane, Walnut, CA 3 Beds \| 2 Baths \| 1306 Sq. Ft.	$915,297

Property information provided by CRMLS when last listed in 2010. 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 20775 Timberline Ln

Tax history for 20775 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 20775 Timberline Ln

More real estate resources