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22588 Ridge Line Road Diamond Bar, CA 91765
$6,990,000 11 beds, 13 baths
17, 241 sqft
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Photo of Steff Boardman

Steff Boardman REALTOR® - Sales Associate 818-425-0422 m
818-528-3200 o
Lic#: 01298709
NRDS ID: 207012459
steff4homes@aol.com
Text Me
Call My Cell
Call My Office
Lic#: 01298709
NRDS ID: 207012459
steff4homes@aol.com
Sherman Oaks Office
14141 Ventura Blvd., Ste. 8
Sherman Oaks, CA 91423
Phone: 818-528-3200
Fax: 818-386-9007
Sherman Oaks 14141 Ventura Blvd., Ste. 8
Sherman Oaks, CA 91423
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Luxurious 17,000-square-foot mansion located in the renowned “The Country Estates”. This efficiently designed residence features nine generously sized en-suite bedrooms, along with two huge primary suites and two powder rooms on the main level, totaling 11 bedrooms and 13 bathrooms. Situated on approximately 1.2 acres of well-maintained landscaping, the home captures breathtaking views of city lights and scenic hills from multiple vantage points. Upon entry, you’re welcomed by polished marble floors, soaring vaulted ceilings, and an impressive foyer with a dual staircase. The main level open-concept living areas create a bright and inviting atmosphere, ideal for both everyday living and entertaining and are equipped with two powder rooms and a bar area that’s perfect for hosting guests. The gourmet kitchen is designed for both functionality and style, featuring a large island, an oversized butler’s pantry, and additional high-end features to support daily living and entertaining needs. An elevator adds convenience and accessibility throughout the home. The ten-car garage provides ample space for large households or car enthusiasts. Additional interior highlights include a private game room, home theater, and a dedicated meditation room. The backyard offers an Italian villa-inspired retreat, designed for relaxation and complete with a Pool, Spa, BBQ station. Carefully crafted, this home blends refined elegance with everyday comfort. Located in a highly sought-after community with top-rated schools, the HOA includes 24-hour guard-gated security and amenities such as a community pool and spa, tennis courts, a clubhouse, and more. Come experience everything this exceptional property has to offer.

Listing Details

Property type: Single Family Residence (Single Family)
Status: Active
MLS# TR26059752
List price is $6,990,000 Reduced by $1,000,000 on 5/20/2026
HOA Fee is $308.00
Beds: 11
Baths: 13 (11 full) (2 half)
Living Room fireplaces
Built in 2008
17,241 sqft
1.22 acres
Lot size: 1.2247
County: Los Angeles
Interior features: Wet Bar,Balcony,Crown Molding,Cathedral Ceiling(s),Central Vacuum,Elevator,Granite Counters,High Ceilings,Intercom,Multiple Staircases,Open Floorplan,Pantry,Partially Furnished,Stone Counters,Recessed Lighting,Storage,Two Story Ceilings,Bar,Wired for Sound,Bedroom on Main Level,Entrance Foyer
Exterior features: Barbecue
Appliances: Built-In Range,Barbecue,Convection Oven,Double Oven,Dishwasher,Freezer,Gas Cooktop,Gas Oven,Gas Range,Gas Water Heater,Microwave,Refrigerator,Range Hood,Vented Exhaust Fan,Water Heater,Warming Drawer,Dryer,Washer
Parking description: Direct Access,Driveway,Garage,Oversized,Private,Garage Faces Side
Lot description: ZeroToOneUnitAcre,Lot Over 40000 Sqft,Landscaped,Sprinkler System
Heating/cooling: Central Air
Heating description: Central,Fireplace(s),Natural Gas
MLS area: 616 - Diamond Bar

Last Updated: 6/15/2026

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This listing belongs to the 616 - Diamond Bar MLS area

Lat/Long: 33.984489, -117.821762.
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Listing Agent: Amie Chen
Co Listing Agent: Bella Le Deaux
Lic#: 01298709
Office Name: Sherman Oaks

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Total population of , which has changed by % since 1990.
The median age of the population is , while the median age of dwellings is .
Out of households, are families.

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Photo of Steff Boardman

Steff Boardman REALTOR® - Sales Associate 818-425-0422 m
818-528-3200 o
Lic#: 01298709
NRDS ID: 207012459
steff4homes@aol.com
Text Me
Call My Cell
Call My Office
Lic#: 01298709
NRDS ID: 207012459
steff4homes@aol.com

Sherman Oaks Office
14141 Ventura Blvd., Ste. 8
Sherman Oaks, CA 91423
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