20508 Crestline Dr. Diamond Bar CA 91765 | MLS #TR26205561
Striking panoramic-view residence set within the prestigious “Diamond Ridge Estates “community of Diamond Bar and located in the award-winning Walnut Valley Unified School District. Designed for both refined living and grand-scale entertaining, this exceptional 4-bedroom, 3.5-bath home makes an immediate statement with an elegant double-door entry opening to a dramatic grand foyer, soaring ceilings, and an abundance of natural light. The formal living room offers an impressive sense of volume, while the cathedral-ceiling dining room creates a sophisticated setting for unforgettable gatherings. The thoughtfully designed floor plan includes a desirable main-level en-suite bedroom with a private bath, ideal for guests, extended family, or multigenerational living. At the heart of the home, the open-concept kitchen features a generous center island and flows seamlessly into the spacious family room with high ceilings and a cozy fireplace, creating an inviting setting for everyday living and entertaining. Upstairs, the expansive primary suite offers two spacious walk-in closets and a well-appointed bath with a separate shower and soaking tub. Additional highlights include an individual laundry room with ample built-in cabinetry, fresh interior and exterior paint, new waterproof wood flooring throughout much of the renovated interior, and custom tile flooring at the entry and kitchen. Outdoors, the property continues to impress with a generously sized front yard, an expansive private driveway offering ample parking, and a charming sitting area beyond the low decorative iron gate—perfect for relaxing and enjoying the peaceful surroundings. The spacious backyard with patio provides another wonderful setting for entertaining while taking in spectacular canyon and mountain views. Elegant slate fountain with a serene pond and cascading waterfall, creating a sophisticated outdoor focal point. Conveniently located near the 60 and 57 Freeways, this distinctive Diamond Ridge home offers an exceptional combination of location, lifestyle, flexibility, and breathtaking scenery.
Property Details
Price:
$1,678,000
MLS #:
TR26205561
Status:
Active Under Contract
Beds:
4
Baths:
3.5
Type:
Single Family
Subtype:
Single Family Residence
Neighborhood:
616diamondbar
Listed Date:
Sep 26, 2026
Finished Sq Ft:
3,164
Lot Size:
10,117 sqft / 0.23 acres (approx)
Year Built:
1996
616 – Diamond Bar616diamondbarWalnut Valley UnifiedDiamond Bar
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Schools
School District:
Walnut Valley Unified
High School:
Diamond Bar
Interior
Appliances
6 Burner Stove, Disposal, Electric Water Heater, Microwave, Dishwasher
Bathrooms
3 Full Bathrooms, 1 Half Bathroom
Cooling
Electric, Central Air
Heating
Central
Laundry Features
Inside, Laundry Room, Gas & Electric Dryer Hookup
Levels
Two
Main Level Bathrooms
2
Main Level Bedrooms
1
Exterior
Association Amenities
Other
Attached Garage YN
1
Common Walls
No Common Walls
Community Features
Curbs, Mountainous, Street Lights, Sidewalks
Covered Spaces
3
Garage Spaces
3
Lot Features
Front Yard, Garden, Lot 10000-19999 Sqft, Back Yard, Lawn
Parking Spots
3
Parking Total
3
Stories
2
View
Mountain(s), City Lights, Canyon, Panoramic
Financial
HOA Fee
$120
HOA Fee Frequency
Monthly
HOA Name
Diamond Ridge Estates
HOA Phone
9512703700
Map
Community
- Address20508 Crestline Dr. Diamond Bar CA
- CityDiamond Bar
- CountyLos Angeles
- Zip Code91765
Market Summary
Current real estate data for Single Family in Diamond Bar as of Nov 08, 2026
98
Single Family Listed
81
Avg DOM
581
Avg $ / SqFt
$2,075,613
Avg List Price
Property Summary
- 20508 Crestline Dr. Diamond Bar CA is a Single Family for sale in Diamond Bar, CA, 91765. It is listed for $1,678,000 and features 4 beds, 4 baths, and has approximately 3,164 square feet of living space, and was originally constructed in 1996. The current price per square foot is $530. The average price per square foot for Single Family listings in Diamond Bar is $581. The average listing price for Single Family in Diamond Bar is $2,075,613. To schedule a showing of MLS#tr26205561 at 20508 Crestline Dr. in Diamond Bar, CA, contact your Compass agent at 310.409.7242.
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Courtesy of Walton Realty Inc.. Disclaimer: All data relating to real estate for sale on this page comes from the Broker Reciprocity (BR) of the California Regional Multiple Listing Service. Detailed information about real estate listings held by brokerage firms other than Compass include the name of the listing broker. Neither the listing company nor Compass shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. The Broker providing this data believes it to be correct, but advises interested parties to confirm any item before relying on it in a purchase decision. Copyright 2026. California Regional Multiple Listing Service. All rights reserved.20508 Crestline Dr.
Diamond Bar, CA
