Recently Viewed Properties
See This Home
Save This Listing
Close

View All Photos

$1,239,999 Just Listed

  • For Sale
  • Active
  • Single Family
  • 3 Beds
  • 3 Full Baths
  • 1,755 Sq. Ft.
  • 2 Car Garage
  • Updated 7 hours ago

Next open house:

Open House: 1:00 PM - 4:00 PM

Sunday 9/20 1:00 PM - 4:00 PM

20774 Timberline,Diamond Bar, CA 91789

20774 TimberlineDiamond BarCA91789

Get directions
See This Home
Save This Home
See This Home
Save This Home
Welcome to this beautifully updated 3 bedroom, 2.5 bathroom home in one of Diamond Bar's most desirable neighborhoods. this home offers beautiful neighborhood views, exceptional privacy, and a peaceful setting. The open floor plan features high ceilings, abundant skylights, the master bedroom suite dual vanities, and separate glass-enclosed shower. The kitchen ample cabinetry with granite countertops. Additional upstair den areas provide options for a home office. this property offers plenty of room for outdoor dining, gardening . Throughout the home you'll find wood flooring, plantation shutters, dual-pane windows, impressive double-door entry, and an attached two-car garage. Located within the award-winning Walnut Valley Unified School District and just a short walk to Park, this home is also minutes from Diamond Bar Town Center, H Mart, Sprouts, Costco, and the 57, 60, and 71 freeways. this is a rare opportunity to own a peaceful sanctuary in one of Diamond Bar's premier communities.

Full Property Details for 20774 Timberline

General

  • Price: $1,239,999
  • HOA FEE: $15/month
  • Status: Active
  • Type: Single Family
  • Source: MRMLS
  • MLS ID: TR26201462
  • Updated: 9/18/2026
  • Days on Market: 1 days
  • Added to Site: 1 day(s) ago

Interior

  • Rooms/Areas: All Bedrooms Up, Primary Bathroom
  • Fireplace: Yes
  • Fireplace(s): Living Room
  • Appliances: Water Softener, Dishwasher, Electric Cooktop
  • Flooring: Wood

Rooms

Bathrooms

  • Total Bathrooms: 3
  • Full Bathrooms: 3

Bedrooms

  • Total Bedrooms: 3

Other Rooms

  • Laundry: In Garage

Additional Information

  • Shared Amenities: Other
  • Pool Description: None

Parking

  • Garage: Yes
  • Garage Spaces: 2

Location

  • County: Los Angeles
  • Driving Directions: E/ Diamond Bar blvd, S/ Pathfinder

School Information

  • School District: Walnut Valley Unified

Community

  • Community Features: Street Lights
  • Assoc. Name: Woodglen

Heating & Cooling

  • Cooling Type: Central Air
  • Heating Type: Central

Utilities

  • Sewer: Public Sewer
  • Water: Public

Structural Information

  • Structure Type: Single Family Residence
  • Foundation: Slab
  • Common Walls: No Common Walls
  • Entry Location: 1
  • Stories/Levels: Two
  • Stories Description: Two
  • Square Feet: 1,755
  • Sq. Ft. Source: Assessor
  • Year Built: 1989
  • Year Built Source: Assessor
  • Property Condition: Turnkey

Lot Features

  • Property View: City Lights
  • Lot Size (Acres): 0.0918
  • Lot Size (Sq. Ft.): 3,999
  • Lot Size Source: Assessor
  • Lot Description: Level with Street, Back Yard

Financial Considerations

  • Price Per Sq. Ft.: $706.55
  • Association Fee: $15
  • Assoc Fee Freq.: Monthly

Disclosures and Reports

  • Special Conditions: Standard
  • Inclusions: Water softener

Listed by Sunbright One Inc., Wendy Tsau

Quickly Find Out More

* Indicates a required field

Yes, I would like more information. Please use and/or share my information with a Coldwell Banker ® affiliated agent to contact me about my real estate needs. By clicking Send Message, I request to be contacted by phone or text message and consent to being contacted by automated means. I understand that my consent to receive calls or texts is not a condition of purchasing any property, goods, or services. Alternatively, I understand that I can access real estate services by email or I can contact the agent myself.

If an Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby’s International Realty®). I acknowledge that I have read and agree to the Terms of Use and Privacy Notice.

We Value Your Privacy

Listing agent

— 20774 Timberline —

  • Wendy Tsau

    Sunbright One Inc.

626-643-4276

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 20774 Timberline

School District:Walnut Valley Unified School District
NameGradesDistance
Castle Rock Elementary School, Diamond Bar, CA
2975 Castlerock Road, Diamond Bar, CA 91765
K-50.6 mi
South Pointe Middle School
20671 Larkstone Drive, Walnut, CA 91789
6-81.1 mi
Diamond Bar High School
21400 Pathfinder Road, Diamond Bar, CA 91765
9-120.8 mi
Disclaimer: School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 20774 Timberline Get Price Alerts and Save Property

Date
Details
Price
Change
Source
9/17/2026
Listed
$1,239,999
73.43%
MLS
2/16/2016
Sold
$715,000
—
Public Record
Get Price Alerts and Save Property
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 20774 Timberline

Year
Property Taxes
Change
Tax Assessment
Change
2025
$11,184
—
$863,334
2%
2025
$11,184
7%
$846,407
4%
2023
$10,446
2%
$813,542
2%
2022
$10,223
2%
$797,591
2%
2021
$10,028
4%
$781,953
1%
2020
$9,602
2%
$773,936
2%
2019
$9,419
4%
$758,762
2%
2018
$9,075
5%
$743,885
2%
2017
$8,664
80%
$729,300
90%
2016
$4,811
-1%
$384,705
2%
2015
$4,836
—
$378,927
2%
2014
$4,840
1%
$371,506
—
2013
$4,799
—
$369,828
—
View All
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Estimate the Cost for 20774 Timberline

$
Down Payment
%
$
%

$
$
$

*These costs are estimates, and the interest rates assume exceptional credit standing.

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Listed by Sunbright One Inc., Wendy Tsau

Similar Properties near 20774 Timberline

This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.

20944 Delphine Dr, Walnut, CA 91789 - Photo 1 Price Reduced
-$201 (-0.02%)
$1,199,799

20944 Delphine Dr  Walnut, CA 91789

  • Single Family
  • Active
  • Updated 2 days ago
  • 3
    Beds
  • 3
    Total Baths
  • 1,721
    Sq. Ft.
20977 E Canyon Ridge Ln, Diamond Bar, CA 91789 - Photo 1
$1,290,000

20977 E Canyon Ridge Ln  Diamond Bar, CA 91789

  • Single Family
  • Active
  • 3
    Beds
  • 3
    Total Baths
  • 2,120
    Sq. Ft.
1423 Stonecrest Pl, Diamond Bar, CA 91765 - Photo 1 Price Reduced
-$30,000 (-2.54%)
$1,153,000

1423 Stonecrest Pl  Diamond Bar, CA 91765

  • Single Family
  • Active
  • Updated 3 days ago
  • 3
    Beds
  • 3
    Total Baths
  • 1,745
    Sq. Ft.
1532 E Old Badillo, Covina, CA 91724 - Photo 1 Price Reduced
-$112 (-0.01%)
$1,238,888

1532 E Old Badillo  Covina, CA 91724

  • Single Family
  • Active
  • Updated 2 days ago
  • 3
    Beds
  • 3
    Total Baths
  • 2,534
    Sq. Ft.

Just Listed near 20774 Timberline

This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.

63 Rainbow Ridge, Phillips Ranch, CA 91766 - Photo 1 Just Listed
$818,000

63 Rainbow Ridge  Phillips Ranch, CA 91766

  • Single Family
  • Active
  • Updated 11 hours ago
  • 3
    Beds
  • 2
    Total Baths
  • 1,817
    Sq. Ft.
925 Heaton Moor Dr, Walnut, CA 91789 - Photo 1 Just Listed
$998,888
Open House

925 Heaton Moor Dr  Walnut, CA 91789

  • Single Family
  • Active
  • Updated 1 day ago
  • 3
    Beds
  • 2
    Total Baths
  • 1,585
    Sq. Ft.
Listed by Ian Villalba (CalRE#: 01849506) (626) 367-4851
19037 Shakespeare Dr, Walnut, CA 91789 - Photo 1 Just Listed
$995,000

19037 Shakespeare Dr  Walnut, CA 91789

  • Single Family
  • Active
  • Updated 1 hour ago
  • 4
    Beds
  • 3
    Total Baths
  • 1,880
    Sq. Ft.
736 Mustang Cir, Walnut, CA 91789 - Photo 1 Just Listed
$1,128,000

736 Mustang Cir  Walnut, CA 91789

  • Single Family
  • Active
  • Updated 2 days ago
  • 4
    Beds
  • 3
    Total Baths
  • 1,686
    Sq. Ft.

Price Reduced near 20774 Timberline

This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.

19731 Avenida Deleitante, Walnut, CA 91789 - Photo 1 Price Reduced
-$39,000 (-2.23%)
$1,710,000
Open House

19731 Avenida Deleitante  Walnut, CA 91789

  • Single Family
  • Active
  • Updated 4 days ago
  • 7
    Beds
  • 9
    Total Baths
  • 4,025
    Sq. Ft.
20548 Missionary Ridge, Walnut, CA 91789 - Photo 1 Price Reduced
-$18,000 (-1.32%)
$1,350,000

20548 Missionary Ridge  Walnut, CA 91789

  • Single Family
  • Active
  • Updated 2 hours ago
  • 6
    Beds
  • 3
    Total Baths
  • 3,000
    Sq. Ft.
677 Castlehill, Walnut, CA 91789 - Photo 1 Price Reduced
-$99,000 (-6.19%)
$1,500,000 -
$1,699,000
Open House

677 Castlehill  Walnut, CA 91789

  • Single Family
  • Active
  • Updated 7 hours ago
  • 4
    Beds
  • 5
    Total Baths
  • 2,900
    Sq. Ft.
20944 Delphine Dr, Walnut, CA 91789 - Photo 1 Price Reduced
-$201 (-0.02%)
$1,199,799

20944 Delphine Dr  Walnut, CA 91789

  • Single Family
  • Active
  • Updated 2 days ago
  • 3
    Beds
  • 3
    Total Baths
  • 1,721
    Sq. Ft.

Recent Sales near 20774 Timberline

This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.

20814 E Boulder, Walnut, CA 91789 - Photo 1 Sold
$1,100,000

20814 E Boulder  Walnut, CA 91789

  • Single Family
  • Closed
  • 3
    Beds
  • 3
    Total Baths
  • 1,546
    Sq. Ft.
21030 Riego, Diamond Bar, CA 91765 - Photo 1 Sold
$1,388,000

21030 Riego  Diamond Bar, CA 91765

  • Single Family
  • Closed
  • 5
    Beds
  • 3
    Total Baths
  • 2,157
    Sq. Ft.
20512 Starshine, Walnut, CA 91789 - Photo 1 Sold
$1,100,000

20512 Starshine  Walnut, CA 91789

  • Single Family
  • Closed
  • 4
    Beds
  • 3
    Total Baths
  • 2,265
    Sq. Ft.
20939 Quail Run, Walnut, CA 91789 - Photo 1 Sold
$1,330,000

20939 Quail Run  Walnut, CA 91789

  • Single Family
  • Closed
  • 5
    Beds
  • 3
    Total Baths
  • 2,186
    Sq. Ft.

20774 Timberline, Diamond Bar, CA 91789 (MLS# TR26201462) is a Single Family property with 3 bedrooms and 3 full bathrooms. 20774 Timberline is currently listed for $1,239,999 and was received on September 17, 2026. Want to learn more about 20774 Timberline? Do you have questions about finding other Single Family real estate for sale in Diamond Bar? You can browse all Diamond Bar real estate or contact a Coldwell Banker agent to request more information.

Tour this property