Los Angeles County  »  20740 Timberline Ln

20740 Timberline Lane, Walnut, CA 91789 - Property report

Also known as: 20740 Timberline Ln

Property image for 20740 Timberline Lane, Walnut, CA 91789
static Mapbox map

Property type

Single Family Residence (0100)

Year built

1989

Acreage

0.141

Sale price

$719,000

General Information

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Access up-to-date information from property owner names to sales history, deeds, tax info, mortgages, development data, planimetric maps and more.

Address
Primary address
20740 Timberline Ln
Walnut, CA 91789
Zip code
91789
County
Los Angeles
Municipality
Diamond Bar

Owner

Find out who owns 20740 Timberline Lane, Walnut, CA 91789. Uncover corporate and individual owners with a free account.

Building
Property type
Single Family Residence
Building sq. ft.
1,546
Buildings on lot
1
Year built
1989
Last altered
Bedrooms
3
Bathrooms
3
HVAC
Central refrigeration & heating
Sales
Sale date
05/07/2020
Sale price
$719,000
Arm's length
Tax
Tax year
2026-2027
Property tax
$9,575
Tax per sq. ft.
$6
Zoning & use
Zoning
Low Density Residential (RL)
Units
1
Lot
Acreage
0.141

Area overview

Walk score
7 /100.  Car-Dependent
Transit score
0 /100.  Minimal Transit
Bike score
2 /100.  Somewhat Bikeable
School district
Walnut Valley Unified School District
Weed hazard
No
Ownership

Ownership information for 20740 Timberline Lane, Walnut, CA

Property owner name
Registered owner
Source
Deed
Owner contact information
Phone number
Owner address
Documents

Sales history for 20740 Timberline Lane, Walnut, CA 91789

Sale date Sale price Buyer name Seller name
05/07/2020 $719,000 XXXXXX XXXXXXX XXXXXXX XXXXXXXX
12/14/2012 $540,000 XXXXXXX XXXXXXXX XXXXX XXX; XXXXX XX XX
01/31/2002 $330,000 XXX, XXXXX X XX, XXXX X

*Most recent sales on record for this property.

More about Los Angeles County property records.

Title documents

Date Type Amount Party 1 Party 2
05/07/2020 Trust Deed XXXXXX XXXXXXX XXXX XXXXXXX XXXXXX XXXXX
05/07/2020 Grant Deed
(Sale for consideration - full DTT - Single parcel sale)		 XXXXXXX XXXXXXXX XXXXXX XXXXXXX
12/14/2012 Deed
(Sale for consideration - full DTT - Single parcel sale)		 XXXXX XXX XXXXXXX XXXXXXXX
10/21/2011 Trust Deed XXXXX XXX XXXXXXXX XXXXXXXXX XXXX
05/06/2010 Trust Deed XXXXX XXX XXXX XXXXXXX XXXXXXX XXXX
08/18/2006 Deed XXX XXXXXX XXXXX XXXX XXXXX XXX
02/01/2005 Trust Deed XXX XXXXXX XXXXX XXXX XXXXXXXX XXXXX XXXX
05/13/2003 Deed XXX, XXXXXX X XXX, XXXXXX X
10/22/2002 Deed
(File correction - Single parcel sale)		 XXX, X X XXX, XXXXX X
01/31/2002 Deed XX, XXXX X XXX, XXXXX X

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 20740 Timberline Lane, Walnut, CA

Property tax data includes tax amount, market value and assessed value, exemptions, abatements and assessment history.

Current property tax
Tax year
2026-2027
Base tax
$9,575
Current property tax
$10,913
Tax per sq. ft.
$6
Recent tax assessments
Market value
$817,638
Land value
$599,519
Building value
$218,119

More about Los Angeles County property taxes

Assessment history

See the assessment and property tax history, including the evolution of the total tax rate and corresponding property tax amount.

Tax year Assessed value Tax rate Property tax Y-o-Y change
2025-2026 $801,607 1.1711 $9,388 +3.43%
2024-2025 $785,890 1.1549 $9,076 +2.57%
2023-2024 $770,482 1.1485 $8,849 +2.10%
2022-2023 $755,375 1.1474 $8,667 +1.75%
2021-2022 $740,564 1.1502 $8,518 +19.74%
2020-2021 $620,185 1.147016 $7,114 +4.07%
2019-2020 $596,104 1.146694 $6,835 +3.17%
2018-2019 $584,417 1.1337 $6,625 +5.02%
2017-2018 $572,958 1.1011 $6,309 +2.71%
2016-2017 $561,725 1.0935 $6,142 -0.69%

Special assessments & penalties for 20740 Timberline Lane, Walnut, CA

Code Description Tax levied
00747 Consolidated Fire Protection District Of La County- Measure E
06221 County Sanitation District #21
14651 Diamond Bar District #38
14653 Diamond Bar District #41
02824 Diamond Bar Lighting District
06181 Greater L.A. County Vector Control District
03694 La County Regional Park And Open Space District
00744 Los Angeles County Fire Department
03071 Los Angeles County Flood Control
04000 Los Angeles County Sewer Maintenance
00170 Los Angeles County Trauma/Emerg Srvs
33011 Mwd Water Standby Charge #2
00177 Safe Clean Water Program Funding Measure W
36551 Three Valleys Mwd Standby Charge
37092 Walnut Valley Water Standby
Permits

Permit information for 20740 Timberline Lane, Walnut, CA

No recently recorded permits for this property.

More about Los Angeles County property records

Neighborhood

Diamond Bar residential market stats

Access a detailed real estate market overview of Diamond Bar so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in Diamond Bar and compare it to other neighborhoods in Los Angeles.

Median sale price

$1,012,500

10.3% Y-o-Y

Median price/sq. ft.

$566

0.4% Y-o-Y

Los Angeles county median sale price

$870,000

-0.6% Y-o-Y

Check out recently sold homes in Diamond Bar and see how their prices compare.

Risk

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FEMA flood zones

FEMA flood zones
X
Landslides and liquefaction map

Fire hazard zones

Faults and tsunami inundation zones map
Crime incidents map

Transportation

Daily traffic map
View daily traffic map

Access the detailed traffic volume map for 20740 Timberline Lane, Walnut, CA 91789 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance (miles)
Montessori School Of Diamond Bar NR Private PK-K 28 0.64
Montessori School Of Diamond Bar NR Private PK-K 28 0.64
Castle Rock Elementary School 7 Public K-5 646 0.68
Tzu Chi Elementary School - Walnut NR Private K-5 53 0.94
Evergreen Elementary School 9 Public K-5 719 1.19
Elite Open School NR Private 5-12 43 1.25
Shelyn Elementary School 7 Public K-6 453 1.28
International Cross Academy NR Private 1-12 0 1.41
Ybarra Academy For The Arts And Technology 7 Public K-8 596 1.46
Walnut Valley Adult NR Public 0 1.64
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
South Pointe Middle School 8 Public 6-8 879 1.11
Elite Open School NR Private 5-12 43 1.25
International Cross Academy NR Private 1-12 0 1.41
Ybarra Academy For The Arts And Technology 7 Public K-8 596 1.46
Wisdom Kids College NR Private K-8 0 1.46
Walnut Valley Adult NR Public 0 1.64
Institute Of Knowledge NR Private K-8 127 1.82
Institute of Knowledge NR Private K-10 265 1.88
Rowland Adult And Community Education NR Public 0 1.89
Rowland Unified Community Day School NR Public 7-12 31 1.99
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Diamond Bar High School 10 Public 9-12 2,557 0.85
Elite Open School NR Private 5-12 43 1.25
International Cross Academy NR Private 1-12 0 1.41
Walnut Valley Adult NR Public 0 1.64
John A. Rowland High School 8 Public 9-12 2,025 1.77
Institute of Knowledge NR Private K-10 265 1.88
Rowland Adult And Community Education NR Public 0 1.89
Rowland Unified Community Day School NR Public 7-12 31 1.99
Elite Open School NR Private 5-12 70 2.03
Ivy League School NR Private K-11 64 2.03

Data provided by GreatSchools.org © 2026. All rights reserved.

Neighbors for 20740 Timberline Lane, Walnut, CA

20728 Timberline Ln, Walnut 20703 Aspenwood CT, Walnut 20778 Timberline Ln, Walnut 20734 Timberline Ln, Walnut 20702 Aspenwood CT, Walnut 20701 Aspenwood CT, Walnut 20700 Aspenwood CT, Walnut 20770 Timberline Ln, Walnut 20724 Timberline Ln, Walnut 20746 Timberline Ln, Walnut 20750 Timberline Ln, Walnut 20754 Timberline Ln, Walnut 20758 Timberline Ln, Walnut 20762 Timberline Ln, Walnut 20774 Timberline Ln, Walnut 20736 Timberline Ln, Walnut 20707 Aspenwood CT, Walnut 20742 Timberline Ln, Walnut 20766 Timberline Ln, Walnut 20732 Timberline Ln, Walnut

Nearby ZIP codes for 20740 Timberline Lane, Walnut, CA

90631, Los Angeles County, CA 90631, Orange County, CA 91722, Los Angeles County, CA 91723, Los Angeles County, CA 91724, Los Angeles County, CA 91744, Los Angeles County, CA 91745, Los Angeles County, CA 91748, Los Angeles County, CA 91768, Los Angeles County, CA 91773, Los Angeles County, CA 92821, Orange County, CA 92823, Orange County, CA 92835, Orange County, CA

Frequently asked questions

What is the year built for 20740 Timberline Lane, Walnut, CA 91789?

The development at 20740 Timberline Lane, Walnut, CA 91789 was built in 1989.

What is the total square footage of 20740 Timberline Lane, Walnut, CA 91789?

20740 Timberline Lane, Walnut, CA 91789 has a total of 1,546 square feet.

When was 20740 Timberline Lane, Walnut, CA 91789 last sold and what was the sale price?

20740 Timberline Lane, Walnut, CA 91789 was last sold on 05/07/2020 for $719,000.

What is the assessed value of 20740 Timberline Lane, Walnut, CA 91789?

20740 Timberline Lane, Walnut, CA 91789 is currently assessed at $817,638.

What are the property taxes for 20740 Timberline Lane, Walnut, CA 91789?

The property taxes for 20740 Timberline Lane, Walnut, CA 91789 total $9,575.

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