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4 Beds
4 Baths
3,164 sqft

$1,678,000

20508 Crestline Dr., Diamond Bar CA, 91765

Price per sqft$530.34
Built in1996
Property size3,164 sqft
Property typeResidential
Listed by Lucy Chien CA DRE# 01245560 with Walton Realty Inc. 626-864-8830

Overview

Active

Listed Sep 26, 2026

Updated 3 days ago

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.

$11,164/mo

Est. mortgage payment based on a $1,678,000 home price.

All estimates are provided by Luxury Presence for informational purposes only. Actual amounts may vary.

Additional information

MLS® ID
TR26205561

Interior Features

Bedrooms
4
Bathrooms
4
Fireplace
Yes
Cooling
Yes
Heating
Yes
Basement
No

Exterior Features

Lot Size
0.23 Acres

Other Property Details

Association Fee Frequency
Monthly
Garage
Yes
View
Yes
55+/Senior Community
No
MLS provider logo

Listed by Lucy Chien CA DRE# 01245560 with Walton Realty Inc. 626-864-8830

Based on information from the California Regional Multiple Listing Service (CRMLS) as of 10/5/2026. This information is for your personal, non-commercial use and may not be used for any purpose other than to identify prospective properties you may be interested in purchasing. Display of MLS data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals. Information from sources other than the Listing Agent may have been included in the MLS data. Unless otherwise specified in writing, the Broker/Agent has not and will not verify any information obtained from other sources. The Broker/Agent providing the information contained herein may or may not have been the Listing and/or Selling Agent. Property locations as displayed on any map are best approximations only and exact locations should be independently verified. Any offer of compensation is made only to participants of the MLS where the listing is filed.

©2026 California Regional Multiple Listing Service (CRMLS) all rights reserved.

Data last updated on 10/5/2026 at 3:54 AM UTC Last Checked: 3:54 AM UTC

 

 

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