Off market mar 2022 for $930K

$1,073,208

Est. refi paymentEst. refi $2,816/mo

•

1,546

sq ft

20828 Timberline Ln, Walnut, CA 91789

About this home

Single-familyProperty Type

1989Year Built

4,259 sq ftLot Size

$694Est. Price/Sq.Ft.

2 car garageParking

Listed by MAY TSENG •DRE #01860940 • KELLER WILLIAMS SIGNATURE RLTY

Bought with Nini Xu •DRE #02017264 • KW Executive

Redfin checked: 2 minutes ago

•Source:CRMLS #WS22034389

Redfin Estimate

$1,073,208

$143K since sold in March 2022$14K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 2.3% lower than the average sale price ($1.10M) 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 MAR 19, 2026
$1,060,000
B
3 beds2.5 baths1,546 sq ft
20700 Aspenwood, Walnut, CA 91789
Circa Properties, Inc.
SOLD DEC 9, 2025
$1,116,000
C
3 beds2.5 baths1,755 sq ft
2707 S Rockridge Ln, Walnut, CA 91789
SOLD OCT 23, 2026
$1,075,000
D
4 beds3 baths2,178 sq ft
20951 High Country, Walnut, CA 91789
SOLD NOV 25, 2025
$1,308,000
E
3 beds2.5 baths1,755 sq ft
20834 E Boulder, Walnut, CA 91789
SOLD MAR 27, 2026
$935,000
F
3 beds2 baths1,590 sq ft
1545 Walnut Leaf, Walnut, CA 91789

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Earn from this home

Sell

$335,982

Est. take-home

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Refinance

Est. cash available

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Rent

$3,848/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

$1,388,888
4 beds3 baths2,668 sq ft
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OPEN SAT, 12PM TO 4PM
$1,550,000
4 beds3 baths1,874 sq ft
322 La Tortola, Walnut, CA 91789
$1,288,000
6 beds3 baths3,000 sq ft
20548 Missionary Rdg, Walnut, CA 91789
OPEN TODAY, 1PM TO 4PM
$1,450,000
4 beds2 baths2,053 sq ft
20092 Wildcat Canyon Rd, Walnut, CA 91789
Century 21 Masters
$1,488,888
4 beds2 baths2,053 sq ft
20859 E Yellow Feather Cir, Walnut, CA 91789
$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
$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
See all

Provided by Redfin

Sale history for 20828 Timberline Ln

Date

Event

Price

CRMLS #WS22034389

Mar 18, 2022

Sold

$930,000

$602/sq ft

Feb 23, 2022

Pending

—

Feb 23, 2022

Listed

$930,000

$602/sq ft

CRMLS #H231371

Sep 11, 2002

Sold

$343,000

$222/sq ft

Jul 8, 2002

Listed

$359,000

$232/sq ft

Public Records

Apr 26, 1990

Sold

$263,000

$170/sq ft

Public Records

Aug 5, 1988

Sold

$170,000

$110/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$12,875 (+4.3%)

$766,144 + $240,514

$1,006,658

2024

$12,343 (+2.5%)

$751,122 + $235,799

$986,921

2023

$12,041 (+85.6%)

$736,395 + $231,176

$967,571

2022

$6,486 (+2.0%)

$721,956 + $226,644

$948,600

2021

$6,358 (+6.3%)

$309,394 + $158,717

$468,111

2020

$5,980 (+1.9%)

$303,328 + $155,605

$458,933

2019

$5,870 (+3.7%)

$300,218 + $154,010

$454,228

2018

$5,659 (+4.5%)

$294,332 + $150,991

$445,323

2017

$5,414 (+2.9%)

$282,903 + $145,129

$428,032

2016

$5,261 (−0.5%)

$282,903 + $145,129

$428,032

2015

$5,290 (−0.1%)

$277,356 + $142,284

$419,640

2014

$5,296 (+1.1%)

$267,839 + $137,402

$405,241

2012

$5,238 (+2.8%)

$266,629 + $136,782

$403,411

2011

$5,095 (+0.8%)

$261,401 + $134,100

$395,501

2010

$5,057 (+0.3%)

$256,276 + $131,471

$387,747

2009

$5,040 (+2.7%)

$254,361 + $130,489

$384,850

2008

$4,908

$254,966 + $130,799

$385,765

Tax history for 20828 Timberline Ln

Year

Property tax

Land + Additions

Assessment*

2025

$12,875 (+4.3%)

$766,144 + $240,514

$1,006,658

2024

$12,343 (+2.5%)

$751,122 + $235,799

$986,921

2023

$12,041 (+85.6%)

$736,395 + $231,176

$967,571

2022

$6,486 (+2.0%)

$721,956 + $226,644

$948,600

2021

$6,358 (+6.3%)

$309,394 + $158,717

$468,111

2020

$5,980 (+1.9%)

$303,328 + $155,605

$458,933

2019

$5,870 (+3.7%)

$300,218 + $154,010

$454,228

2018

$5,659 (+4.5%)

$294,332 + $150,991

$445,323

2017

$5,414 (+2.9%)

$282,903 + $145,129

$428,032

2016

$5,261 (−0.5%)

$282,903 + $145,129

$428,032

2015

$5,290 (−0.1%)

$277,356 + $142,284

$419,640

2014

$5,296 (+1.1%)

$267,839 + $137,402

$405,241

2012

$5,238 (+2.8%)

$266,629 + $136,782

$403,411

2011

$5,095 (+0.8%)

$261,401 + $134,100

$395,501

2010

$5,057 (+0.3%)

$256,276 + $131,471

$387,747

2009

$5,040 (+2.7%)

$254,361 + $130,489

$384,850

2008

$4,908

$254,966 + $130,799

$385,765

*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

4,259 Sq. Ft.

Year renovated

1989

Sq. Ft.

1,546

Year built

1989

Style

Single Family Residential

County

Los Angeles County

APN

8765009026

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): 2
# of Baths (1/2): 1

Cooling Information
Central
Has Cooling

Room Information
All Bedrooms Up

Fireplace Information
Family Room
Has Fireplace

Heating Information
Central Furnace
Has Heating

Interior Features
Levels: Two
Main Level Bathrooms: 1
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: Lawn

Property Information
Common Interest: Planned Development
Total # of Units: 1
Common Walls: No Common Walls
Living Area Source: Assessor's Data
Parcel Number: 8765009026
Total # of Stories: 2
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 Community
Association Fee: $10
Association Fee Frequency: Monthly
Association Amenities: Onsite Property Management

Neighborhood Information
Community Features: Curbs, Sidewalks

School Information
High School District: Walnut Valley Unified

Location Information
Latitude: 33.97585400
Longitude: -117.85223300
Directions: Timberline and Canyon Ridge
Zoning: LCRPD100006U*

Public facts

Beds: 3
Baths: 3.0
Sq. Ft.: 1,546
Stories: —
Lot Size: 4,259 square feet
Style: Single Family Residential
Year Built: 1989
Year Renovated: 1989
County: Los Angeles County
APN: 8765009026

Home facts updated by county records on Oct 7, 2026

Other

Listing Agent Information
List Agent First Name: MAY
List Agent Last Name: TSENG

Listing Office Information
List Office Name: KELLER WILLIAMS SIGNATURE RLTY

Selling Agent Information
Buyer Agent First Name: Nini
Buyer Agent Last Name: Xu

Selling Office Information
Buyer Office Name: KW Executive

Around this home

Schools

K - 12
Preschool & daycare

Castle Rock Elementary School

Public K-5 • Assigned • 0.5mi

10/10

South Pointe Middle School

Public 6-8 • Assigned • 1.1mi

10/10

Diamond Bar High School

Public 9-12 • Assigned • 0.8mi

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...
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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

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

$1.02M – $1.24M

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Home values near 20828 Timberline Ln

Data from public records.

Address	Redfin Estimate
20836 Timberline Lane, Walnut, CA 3 Beds \| 3 Baths \| 1546 Sq. Ft.	$991,884
20820 Timberline Lane, Walnut, CA 3 Beds \| 3 Baths \| 1546 Sq. Ft.	$952,556
20808 Timberline Lane, Walnut, CA 3 Beds \| 2 Baths \| 1306 Sq. Ft.	$902,310
20807 Timberline Lane, Walnut, CA 3 Beds \| 3 Baths \| 1546 Sq. Ft.	$991,131
20819 Timberline Lane, Walnut, CA 3 Beds \| 3 Baths \| 1546 Sq. Ft.	$983,997
20839 Timberline Lane, Walnut, CA 3 Beds \| 2.5 Baths \| 1814 Sq. Ft.	$933,857
2830 Eaglecrest Place, Walnut, CA 3 Beds \| 3 Baths \| 1835 Sq. Ft.	$1,099,623

Address	Redfin Estimate
20832 Timberline Lane, Walnut, CA 3 Beds \| 3 Baths \| 1755 Sq. Ft.	$1,021,877
20816 Timberline Lane, Walnut, CA 3 Beds \| 3 Baths \| 1755 Sq. Ft.	$1,004,750
20804 Timberline Lane, Walnut, CA 3 Beds \| 3 Baths \| 1755 Sq. Ft.	$996,506
20811 Timberline Lane, Walnut, CA 3 Beds \| 2.5 Baths \| 1755 Sq. Ft.	$1,098,062
20831 Timberline Lane, Walnut, CA 3 Beds \| 3 Baths \| 1755 Sq. Ft.	$1,098,952
20843 Timberline Lane, Walnut, CA 3 Beds \| 2 Baths \| 1306 Sq. Ft.	$968,383
2847 Eaglecrest Place, Walnut, CA 3 Beds \| - Baths \| 1546 Sq. Ft.	$1,118,332

Address	Redfin Estimate
20824 Timberline Lane, Walnut, CA 3 Beds \| 3 Baths \| 1755 Sq. Ft.	$1,073,988
20812 Timberline Lane, Walnut, CA 3 Beds \| 3 Baths \| 1546 Sq. Ft.	$966,271
20800 Timberline Lane, Walnut, CA 3 Beds \| 3 Baths \| 1546 Sq. Ft.	$981,196
20815 Timberline Lane, Walnut, CA 3 Beds \| 2 Baths \| 1306 Sq. Ft.	$936,952
20835 Timberline Lane, Walnut, CA 3 Beds \| 3 Baths \| 1546 Sq. Ft.	$959,537
20847 Timberline Lane, Walnut, CA 3 Beds \| 2.5 Baths \| 1546 Sq. Ft.	$1,011,273
2845 Eaglecrest Place, Walnut, CA 3 Beds \| 2.5 Baths \| 1755 Sq. Ft.	$1,100,073

Property information provided by CRMLS when last listed in 2022. 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 20828 Timberline Ln

Tax history for 20828 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 20828 Timberline Ln

More real estate resources