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22588 Ridge Line Road, Diamond Bar, CA 91765

$7,990,000 Approx. USD 11 beds, 13 baths
17,241 sqft

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Photo of Margaret Cashion

Marketed By Margaret Cashion REALTOR® - Broker Associate 310-795-2200 m
626-440-5100 o
Lic#: 01376586
NRDS ID: 165108890
margaret@hillsofla.com Pasadena Office
540 South Lake Ave
Pasadena, CA 91101
Phone: 626-440-5100
Fax: 626-568-8120

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Listing Agent

Alicia Chen
Lic#: 01997486
Broker: Courtesy of RE/MAX Galaxy
Phone: 909-802-8807

Co Listing Agent

Grace Zhang
Broker: Courtesy of RE/MAX Galaxy
Phone: 909-223-2297

Agent Remarks

**Introducing new price on This luxurious 17,000 sq ft mansion in The Country Estates is now within reach** Seize this opportunity to own a breathtaking home. Very Grand, very spectacular! This custom-built offers stunning panoramic views of city lights, lush greenery, and canyons. Nestled on a sprawling 2.08-acre lot within the exclusive, 24-hour guard-gated. This home is a true masterpiece. As you step into this stunning estate, you are greeted by marble flooring, high vaulted ceilings, and a grand foyer with a dual staircase, that leads to the main living open concept design that creates a feeling of spaciousness and warmth that is perfect for entertaining guests. The residence boasts approximately 17,000 square feet of luxury featuring 2 primary suites, 9 en-suite bedrooms, and 2 guest restrooms on the main level. For car enthusiasts, a ten-car garage is complemented by a dedicated fitness room. Luxurious amenities include an elevator for convenience, a gourmet kitchen, a state-of-the-art home theater, a meditation room, and a resort-style backyard oasis with a pool and spa. Designed with meticulous attention to detail, this home seamlessly blends modern elegance with functional living spaces. This grand home has so much more to offer, it's a must-see! It has an exceptional lifestyle, is located in a highly desirable area, and has top-rated schools. A personal tour is essential to appreciate the full scope of luxury and comfort this home provides.

Listing Details

Property type: Detached (Single Family)

Status: ACTIVE

MLS# TR24161516

Price: $7,990,000

HOA Fee is $294.00

Beds: 11

Baths: 13 (11 full) (2 half)

FP in Living Room fireplaces

17,241 sqft

4 stories

2.08 acres

County: Los Angeles

Zoning: R1

Parking type: Direct Garage Access,Garage,Garage - Single Door,Garage Door Opener

Construction: Stucco

Appliances: Dishwasher,Microwave,Refrigerator,Convection Oven,Double Oven,Gas Oven,Vented Exhaust Fan,Barbecue,Gas Range

Parking description: Direct Garage Access,Garage,Garage - Single Door,Garage Door Opener

Amenities: Barbecue,Guard,Hiking Trails,Horse Trails,Picnic Area,Playground,Pool,Security,Sport Court

Heating description: Fireplace,Forced Air Unit

Last Updated: 5/20/2026

Days On Market (DOM): 724

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Lat/Long: 33.984160, -117.821451.
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Source: SDM. Also Available in TR26059752,

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Previous Listing

Photo of Margaret Cashion

Margaret Cashion REALTOR® - Broker Associate 310-795-2200 m
626-440-5100 o
Lic#: 01376586
NRDS ID: 165108890
margaret@hillsofla.com
Pasadena Office
540 South Lake Ave
Pasadena, CA 91101