Awesome VIEW home with gorgeous Canyon and southern view of foothills! Make this delightfully bright and airy home with vaulted ceiling your perfect dream home! Homeowner has added floor above dining area by licensed contractor and also extended rear yard to move fence further out with permission of city. Neither addition has been reflected in property square footage. Exterior of the house was painted 3 years ago. Homeowner's happy and healthy parents lived in the property and just recently moved out to live closer to daughters and her family. May need a little TLC, however, it's a great opportunity to perfect your dream home with Canyon view, good neighbor and school district. Property is being sold in "AS IS" condition. Great location in super neighborhood. Highly acclaimed Walnut Valley School District (Diamond Bar High). Easy walk to Ronald Reagan Park with tennis, basketball courts and playground. Close to schools, markets, restaurants and access to 57 and 60 Freeway.
Single-familyProperty Type
1989Year Built
4,007 sq ftLot Size
$523Est. Price/Sq.Ft.
2 car garageParking
Listed by Susan Lee•DRE #00904544• Coldwell Banker Tri-Counties R
Bought with Lisa Ta•DRE #01375450• Coldwell Banker Realty
Awesome VIEW home with gorgeous Canyon and southern view of foothills! Make this delightfully bright and airy home with vaulted ceiling your perfect dream home! Homeowner has added floor above dining area by licensed contractor and also extended rear yard to move fence further out with permission of city. Neither addition has been reflected in property square footage. Exterior of the house was painted 3 years ago. Homeowner's happy and healthy parents lived in the property and just recently moved out to live closer to daughters and her family. May need a little TLC, however, it's a great opportunity to perfect your dream home with Canyon view, good neighbor and school district. Property is being sold in "AS IS" condition. Great location in super neighborhood. Highly acclaimed Walnut Valley School District (Diamond Bar High). Easy walk to Ronald Reagan Park with tennis, basketball courts and playground. Close to schools, markets, restaurants and access to 57 and 60 Freeway.
Public Records
Nov 25, 1998
Sold
$260,000
$148/sq ft
Public Records
Oct 20, 1988
Sold
$189,000
$108/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$10,677 (+4.3%)
$593,405 + $218,999
$812,404
2024
$10,233 (+2.5%)
$581,770 + $214,705
$796,475
2023
$9,984 (+2.2%)
$570,363 + $210,496
$780,859
2022
$9,772 (+1.9%)
$559,180 + $206,369
$765,549
2021
$9,587 (+4.6%)
$548,216 + $202,323
$750,539
2020
$9,167 (+1.9%)
$537,467 + $198,356
$735,823
2019
$8,995 (+88.1%)
$531,956 + $196,323
$728,279
2018
$4,782 (+4.4%)
$521,526 + $192,474
$714,000
2017
$4,578 (+3.0%)
$206,798 + $144,392
$351,190
2016
$4,445 (−0.5%)
$206,798 + $144,392
$351,190
2015
$4,469 (−0.1%)
$202,744 + $141,561
$344,305
2014
$4,475 (+1.2%)
$195,788 + $136,704
$332,492
2012
$4,424 (+2.8%)
$194,904 + $136,087
$330,991
2011
$4,304 (+0.8%)
$191,083 + $133,419
$324,502
2010
$4,271 (+0.4%)
$187,337 + $130,803
$318,140
2009
$4,252 (+2.7%)
$185,937 + $129,826
$315,763
2008
$4,140
$186,379 + $130,135
$316,514
Tax history for 20758 Timberline Ln
Year
Property tax
Land + Additions
Assessment*
2025
$10,677 (+4.3%)
$593,405 + $218,999
$812,404
2024
$10,233 (+2.5%)
$581,770 + $214,705
$796,475
2023
$9,984 (+2.2%)
$570,363 + $210,496
$780,859
2022
$9,772 (+1.9%)
$559,180 + $206,369
$765,549
2021
$9,587 (+4.6%)
$548,216 + $202,323
$750,539
2020
$9,167 (+1.9%)
$537,467 + $198,356
$735,823
2019
$8,995 (+88.1%)
$531,956 + $196,323
$728,279
2018
$4,782 (+4.4%)
$521,526 + $192,474
$714,000
2017
$4,578 (+3.0%)
$206,798 + $144,392
$351,190
2016
$4,445 (−0.5%)
$206,798 + $144,392
$351,190
2015
$4,469 (−0.1%)
$202,744 + $141,561
$344,305
2014
$4,475 (+1.2%)
$195,788 + $136,704
$332,492
2012
$4,424 (+2.8%)
$194,904 + $136,087
$330,991
2011
$4,304 (+0.8%)
$191,083 + $133,419
$324,502
2010
$4,271 (+0.4%)
$187,337 + $130,803
$318,140
2009
$4,252 (+2.7%)
$185,937 + $129,826
$315,763
2008
$4,140
$186,379 + $130,135
$316,514
*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
3
Baths
3
Stories
—
Lot width
—
Lot depth
—
Lot size
4,007 Sq. Ft.
Year renovated
1989
Sq. Ft.
1,755
Year built
1989
Style
Single Family Residential
County
Los Angeles County
APN
8765009040
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Oct 7, 2026.
RL
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
Gas & Electric Dryer Hookup, In Garage
Kitchen Information
Formal Dining Room
Tile Counters
Bathroom Information
# of Baths (Full): 2
# of Baths (1/2): 1
Bathtub, Bidet, Shower
Cooling Information
Central
Has Cooling
Room Information
All Bedrooms Up, Family Room, Kitchen, Primary Bedroom
Fireplace Information
Living Room
Has Fireplace
Flooring Information
Carpet, Wood
Heating Information
Central Furnace
Has Heating
Interior Features
Levels: Two
Main Level Bathrooms: 1
Main Level Bedrooms: 0
Security Features: Smoke Detector
Window Features: Blinds
Exterior
Exterior Information
Construction Materials: Stucco
Foundation Information
Foundation Details: Concrete Slab
Exterior Features
Patio And Porch Features: Concrete
Has Patio
Pool Features: None
Lot Information
Elevation Units: Feet
Lot Size Source: Assessor's Data
Lot Features: Level with Street, Sprinkler System
Property Information
Total # of Units: 1
Common Walls: No Common Walls
Parcel Number: 8765009040
Property Condition: Repairs Cosmetic
Has View
Year Built Source: Assessor
Utilities
Utilities Information
Electric: 220V In Garage
Sewer: Public Sewer
Cable Available, Natural Gas Connected, Sewer Connected, Underground Utilities
Water Source: District/Public
Location
Multi-Unit Information
# of Units In Community: 1
Builder Name: William Lyon
Homeowners Association
Is Part of Association
Association Name: unk
Association Fee: $120
Association Fee Frequency: Annually
Association Amenities: Maintenance Grounds, Dues Paid Annually
Neighborhood Information
Community Features: Curbs, Street Lighting, Suburban
School Information
Elementary School: Evergreen
Middle Or Junior School: Southpoint
High School: Diamond Bar
High School District: Walnut Valley Unified
Elementary School 2: EVERGR
Middle Or Junior School 2: SOUTHP
High School 2: DIABAR
Location Information
Latitude: 33.97606600
Longitude: -117.85412500
Directions: Pathfinder Road to Canyon Ridge then turn right onto Timberline Lane
Road Frontage Type: Access via City Streets
Road Surface Type: Paved
Zoning: LCRPD100006U*
Public facts
Beds: 3
Baths: 3.0
Sq. Ft.: 1,755
Stories: —
Lot Size: 4,007 square feet
Style: Single Family Residential
Year Built: 1989
Year Renovated: 1989
County: Los Angeles County
APN: 8765009040
Home facts updated by county records on Oct 7, 2026
Other
Listing Information
Days Active in MLS: 18
Continuous Days Active in MLS: 18
Listing Agent Information
List Agent First Name: Susan
List Agent Last Name: Lee
Listing Office Information
List Office Name: Coldwell Banker Tri-Counties R
Selling Agent Information
Buyer Agent First Name: Lisa
Buyer Agent Last Name: Ta
Selling Office Information
Buyer Office Name: Coldwell Banker Arcadia
Around this home
Schools
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
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)
70
49
72
51
75
53
73
53
77
58
82
61
87
64
90
66
86
66
81
59
73
52
71
50
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
$873,000 – $1.06M
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