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2809 Oak Knoll Drive Diamond Bar, CA $ 4,880,000
2809 Oak Knoll Drive
$ 4,880,000
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2809 Oak Knoll Drive

Diamond Bar, CA, 91765
$ 4,880,000
Bedrooms7 Baths8.0 Sq 10,232

Monthly Estimate*

$ 30,445

Listed by A + Realty & Mortgage
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Single Family Home for sale in Diamond Bar, CA

for $4,880,000 with 7 bedrooms and 8 full baths. This 10,232 square foot home was built in 1998 on a lot size of 0.8762.

This exceptional estate, with original owner, located in the prestigious gated community of The Country, spans two parcels and boasts six luxurious bedroom suites, offering unparalleled comfort and privacy. An office with a full bath that can be used as the second downstairs bedroom suite, and an elegant, well-appointed powder room conveniently located between the formal living room and spacious family room, making it ideal for entertaining. A dramatic two-story grand entry with a crystal chandelier welcomes you. Wide double staircases leading to different sections of the upper level set an impressive tone upon arrival. The formal living and dining rooms provide generous spaces for gatherings, while the family room is equipped with a custom-built-in entertainment center and is seamlessly connected to the large open kitchen, breakfast nook, a couple of cozy conversation sitting areas, and a gorgeous wet bar with a table for wine tasting. The gourmet kitchen is a chef’s dream, complete with dual center islands, custom cabinetry, and an adjoining wok kitchen for added culinary flexibility. Enjoy casual dining in the bright breakfast nook, perfectly situated off the open kitchen layout. Designed for both everyday living and grand entertaining, this home offers a thoughtfully designed floor plan that encourages flow and connection. Crown molding throughout the home. Wide and open upper-floor hallway with wainscot paneling. The upstairs laundry room is conveniently located near all bedrooms, and a bedroom-sized storage room provides ample space for seasonal décor and miscellaneous items. An expansive bonus area with paneled ceiling and walls is ideal for billiards, gaming tables, or displaying collectibles, offering endless opportunities for leisure and personalization. Custom window coverings throughout the home add a refined finishing touch. Outside, the professionally landscaped grounds are a true oasis, featuring a resort-style pool and spa, gazebo, fire pit, flagstone walkways, tastefully placed plants, flowers, and many mature trees, plus a large grassy area perfect for recreation or relaxation. A four-car garage with built-in cabinetry ensures ample parking and organized storage. This residence combines elegant design, practical functionality, and luxurious amenities — perfect for those who love to entertain and live in comfort.

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Single Family Active

Price

$ 4,880,000

Bedrooms

7

Full Bath

8

Property Type

Single Family

Taxes

$ 0

Style

Lot Size

0.8762

Year Built

1998

Town/City

Diamond Bar

County/Region

Los Angeles

MLS | Web ID

TR25177839

Days on Market

134

Features
General
Living Area 10232
Sewer Public Sewer
Heating Central Fireplace(s) Natural Gas
Cooling Central Air See Remarks
Utilities Cable Connected Electricity Connected Natural Gas Connected Phone Connected Sewer Connected Water Connected
Appliances Built-In Range Convection Oven Dishwasher Disposal Gas Oven Gas Range Gas Water Heater Refrigerator Range Hood Water Heater
Zoning LCR120000-A2-1
HOA Fee 308
Garage Spaces 4
Patio/Porch Features Patio
Architectural Style Custom
Pool Features Gunite In Ground Private
Year Built 1998
Electric 220 Volts in Garage
View Canyon
Stories Count 2
Levels Two
Property Subtype Single Family Residence
Community Features Rural
Accessibility Safe Emergency Egress from Home
Additional Parcels Description 8713022062
Assoc Fee Paid Per Monthly
County Los Angeles
New Construction 0
Property Type Residential
Association Amenities Clubhouse Controlled Access Management Guard Security Tennis Court(s)
HOA 1
Attached Garage 1
Garage Y/N 1
Full Baths 8
Special Listing Conditions Standard
Status Active
Directions enter from Daimond Bar Blvd Gate
City Diamond Bar
Association Name The Country
Entry Location front door
Senior Community Y/N 0
High School District Walnut Valley Unified
Number Of Units Total 1
MLS Area 616 - Diamond Bar
Lot Size Units Square Feet
Lot Size Square Feet 38166
Listing Terms Cash Cash to New Loan
Spa Features Gunite In Ground
Property Attached Y/N 0
Land Lease Y/N 0
Additional Parcels Y/N 1
Lease Considered Y/N 0
Virtual Tour https://my.matterport.com/show/?m=NQxzK2mKWmL&brand=0 https://my.matterport.com/show/?m=NQxzK2mKWmL
Structure Type House
Living Area Units Square Feet
Standard Status Active
Occupancy Type Owner
Year Built Source Assessor
Tax Lot 47
Property Sub Type Additional Single Family Residence
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Interior
Interior Amenities Wet Bar Built-in Features Balcony Breakfast Area Crown Molding Separate/Formal Dining Room Granite Counters High Ceilings In-Law Floorplan Multiple Staircases Open Floorplan Pantry Paneling/Wainscoting Storage Two Story Ceilings Bar Bedroom on Main Level Primary Suite Walk-In Pantry Walk-In Closet(s)
Flooring Carpet Stone Wood
Fireplace Features Family Room Living Room Primary Bedroom
Total Stories 2
Common Walls No Common Walls
Air Conditioning Y/N 1
Heating Y/N 1
Fireplace Y/N 1
Laundry Features Inside Laundry Room Upper Level
Total Bedrooms 7
Entry Level 1
Main Level Bedrooms 2
Main Level Bathrooms 3
Total Baths 8
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Exterior
Exterior Amenities Fire Pit
Lot Features Back Yard
Water Source Public
Total Parking 4
Lot Size Area 38166
Spa 1
Lot Size Acres 0.8762
Private Pool 1
Lot Size Source Assessor
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* Excluded Features
List By
A + Realty & Mortgage

Broker

sanneclee@gmail.com

Email

Affordability Calculator

$30,445
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Monthly Principal & Interest
$30,445
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Default based on a 30-year fixed rate of 6.375% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
4827338 Elementary School
4827337 Middle School
Unknown High School High School
Pricing History
DatePricePrice ChangeDescription
11/28/2025$4,880,000 Listed Price

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2809 Oak Knoll Drive, Diamond Bar, CA, 91765 is a Single Family Home for sale at $4,880,000 with 10,232 sqft and a lot size of 0.8762. 2809 Oak Knoll Drive has 7 bedrooms, 8.0 baths, and was built in 1998. The property's zip code is 91765 which is in Diamond Bar, CA