Skip to main content
Back to Search Results
|

2839 Oak Knoll Drive, Diamond Bar, CA 91765

Show All 73 Photos
For Sale

$5,499,999

7 beds • 7 baths • 1 half baths • 10,058 sqft

Estimated Payment

$ 28,568 /mo. †

6.76% APR for 30 yrs.
$0 in taxes
Change Loan Terms

  • Single Family Detached
    Property type

  • $546.83
    Price per square foot

  • 11-20 Years Old
    Age

Explore this Property

Experience all inclusive luxury in this breathtaking two-story palatial estate, set within a desirable and prime location in the highly sought-after guard-gated community of The Country in Diamond Bar. Situated on a usable and expansive 79,958 square-foot lot, this custom built masterpiece offers over 10,000 square feet of meticulously crafted living space. Featuring a gorgeously designed front entry with high ceilings and custom chandelier above, spacious formal living room, separate formal dining, an oversized family room complete with a trendy wet-bar, 7 spacious bedrooms and 7.5 exquisitely designed bathrooms, a versatile study adorned with breathtaking architectural elements, a media/bonus room (currently used as a gym), this home is truly perfect for both family living and entertaining. Intricate craftsmanship, hand-carved and hand-painted mouldings and beautifully hand-painted walls by a famous Italian artist hired by the owners, and the amazing interiors showcase impeccable details throughout! Enjoy the marble and hardwood flooring, custom walk-in closets in every bedroom, viewing decks, and two fully equipped gourmet kitchens (1 separate wok kitchen), over-sized pantry that caters to culinary perfection. The property also offers a 5-car garage (the whole property can hold up to 30 cars) and impressive curb appeal with its striking frontage. Every inch of this estate reflects artistry and elegance, with exceptional craftsmanship throughout. The resort and park-like grounds are stunning with beautiful water features, a putting green, low-maintenance turf, and there are plans for a pool and spa if one desires! This is the ultimate luxury home that one dreams of! Located within a community that ensures 24-hour security, residents also enjoy exclusive access to resort-style amenities such as a pool, park, tennis courts, pickleball courts, and an indoor sports court. Perfectly situated near top-rated schools and everyday conveniences, this property offers an unmatched blend of luxury and practicality. Make this one-of-a-kind , stunning estate your dream sanctuary!
MLS# NP25022834

Courtesy Of Compass

(949) 438-4340

Property Features

  • Age
    11-20 Years Old
  • Architecture Style
    Other
  • Heating System
    Central Furnace
  • Rooms
    Family Room, Great Room, Kitchen, Library, Living Room, Media Room

Map and Directions

Directions to 2839 Oak Knoll Drive, Diamond Bar, CA 91765

Home seller CENTURY 21 Masters

Get to know the neighborhood. A local affiliated CENTURY 21 office will help you set up tours, give advice, and negotiate with sellers.

CENTURY 21 Masters

(888) 862-1194
Learn More About Us

Mortgage Calculator

$
$ %
Loan Term
%
Invalid number

$ /year
$ /year
$ /month

Monthly Payment Breakdown

  • Principle and Interest
    $28,568
  • Property Taxes
    $0
  • Hazard Insurance
    $0
  • Private Mortgage Insurance
    $0
  • HOA Dues
    $0
  • Total Monthly Payment:
    $28,568

Calculators provided for estimating purposes only. Consult with your lender to determine precise payment requirements.

Schools

Castle Rock Elementary School

Grades KG-5 Public School

Diamond Bar, CA 91765 0.8 miles
2975 castle rock rd

683 total students
25:1 Student teacher ratio

School Rating: A

School Details

South Pointe Middle School

Grades 6-8 Public School

Walnut, CA 91789 1.9 miles
20671 larkstone dr

900 total students
24:1 Student teacher ratio

School Rating: A-

School Details

Diamond Bar High School

Grades 9-12 Public School

Diamond Bar, CA 91765 1 miles
21400 pathfinder rd

2544 total students
25:1 Student teacher ratio

School Rating: A+

School Details
Other Nearby Schools Distance Type Grades School Rating
Evergreen Elementary School 0.7 miles Public KG-5 B
Landmark Christian Preschool 1.3 miles Private PK-TKG
Maple Hill Elementary School 1.9 miles Public KG-5 A+
Chaparral Middle School 1.9 miles Public 6-8 A
St Christopher-joseph-aquinas Academic Academy 1.9 miles Private KG-6
Quail Summit Elementary School 2.1 miles Public KG-5 A
Tzu Chi Elementary School 2.4 miles Private KG-5
Tzu Chi Elementary Satoa 2.4 miles Private PK-5
Discovery World Montessori 2.5 miles Private PK-5
Walnut Elementary School 2.6 miles Public KG-5 A-
Shelyn Elementary School 2.8 miles Public KG-6 B+
Ybarra Academy For The Arts And Technology 2.9 miles Public KG-8 B-
Ron Hockwalt Academies (continuation) 3.1 miles Public 9-12 D
John A. Rowland High School 3.3 miles Public 9-12 A-
Olinda Elementary School 3.3 miles Public KG-6 A-
Allais School 3.3 miles Private 2-11
Mt Calvary Lutheran School 3.4 miles Private PK-8

Evergreen Elementary School

Distance: 0.7 miles

Type Public

Grades: KG-5

B

Landmark Christian Preschool

Distance: 1.3 miles

Type Private

Grades: PK-TKG

Maple Hill Elementary School

Distance: 1.9 miles

Type Public

Grades: KG-5

A+

Chaparral Middle School

Distance: 1.9 miles

Type Public

Grades: 6-8

A

St Christopher-joseph-aquinas Academic Academy

Distance: 1.9 miles

Type Private

Grades: KG-6

Quail Summit Elementary School

Distance: 2.1 miles

Type Public

Grades: KG-5

A

Tzu Chi Elementary School

Distance: 2.4 miles

Type Private

Grades: KG-5

Tzu Chi Elementary Satoa

Distance: 2.4 miles

Type Private

Grades: PK-5

Discovery World Montessori

Distance: 2.5 miles

Type Private

Grades: PK-5

Walnut Elementary School

Distance: 2.6 miles

Type Public

Grades: KG-5

A-

Shelyn Elementary School

Distance: 2.8 miles

Type Public

Grades: KG-6

B+

Ybarra Academy For The Arts And Technology

Distance: 2.9 miles

Type Public

Grades: KG-8

B-

Ron Hockwalt Academies (continuation)

Distance: 3.1 miles

Type Public

Grades: 9-12

D

John A. Rowland High School

Distance: 3.3 miles

Type Public

Grades: 9-12

A-

Olinda Elementary School

Distance: 3.3 miles

Type Public

Grades: KG-6

A-

Allais School

Distance: 3.3 miles

Type Private

Grades: 2-11

Mt Calvary Lutheran School

Distance: 3.4 miles

Type Private

Grades: PK-8

School information does not guarantee enrollment. School service boundaries are provided as a reference only, may change, and are not guaranteed to be accurate. Contact the school district directly to verify school enrollment eligibility.

Local area information for Diamond Bar, CA 91765

Tour the area

Schedule a
tour with a
personal guide

Diamond Bar, CA 91765

This community’s employment is highest in the administrative support and finance industries. The area’s overall household expenses are above the national average.

90° August
Hottest Average Month
42° January
Coldest Average Month
13,314 Total Households in Area
-3.8% Increase in population since the year 2010
31.4%
of households
have children
33 minutes
Median Commute Time

Household Expenses vs National Average

This location’s average annual expenditures by category compared to the national average. Index score (100=National Average)

Demographic facts
for Diamond Bar, CA 91765

Diamond Bar, CA 91765 has a population of 41,029 people in 13,314 households with a median age of 43.7 years old.

-3.8%
Decrease in population
since the year 2010
Population is Trending down
14,204
Total households as of 2010
0.4%
projected percent change in total
households in 5 years

Community Population By Age

The median age for this area is 43.7 years old. The smallest percentage group is 55-64 years and the largest percentage is the 85+ years age range.

Community Population By Ethnicity

Asian 59%
Hispanic 20%
White 18%
Other 8%
Black 4%
Native American <1%
The most prevalent ethnicity is Asian at 59%, followed by Hispanic at 20%, White at 18%, and Other at 8%.

Economics
for Diamond Bar, CA 91765

2,720 /sq mi
Population Density
$106,481 /yr
Median Household Income
$950,000
Median Sales Price
33 min
Median Commute Time

Household Expenses vs National Average

This location’s average annual expenditures by category compared to the national average. Index score (100=National Average)

Household by Income

Out of the households in this area, the largest income group is Over $200k representing 17.78% of the households.

Transportation to Work

  • Drive 84%
  • Work from Home 13%
  • Public Transit 2%
  • Walk or Bike 1%

Occupancy by Type

Owned 10,414 75%
Rented 2,900 21%
Vacant 532 4%

White vs Blue Collar Jobs







White Collar 91%
Blue Collar 9%

Family & Education Facts
for Diamond Bar, CA 91765

43.7 Median Age

Average Household Size

3.1
persons per
household

62.8%

Married Households

Community Population By Education

Bachelors Degree 37%
Graduate Degree 20%
Some College 16%
High School Graduate 14%
Associates Degree 8%
Some High School 6%
Of the total people surveyed, the most prevalent educational attainment level is Bachelors Degree, representing 36.83% of the population.

Household Family Expenses vs National Average

This location’s average annual expenditures compared to the national average. Index score (100=National Average)
31.4% of households have children

Weather
for Diamond Bar, CA 91765

The weather for this area ranges from a high of 90° F in August to a low of 42° F in January

90° August
Hottest Average Month
42° January
Coldest Average Month

Average Temperature by Month

Low (°F)
High (°F)
Jan
42°
66°
Feb
43°
67°
Mar
45°
69°
Apr
47°
73°
May
51°
76°
Jun
55°
82°
Jul
59°
89°
Aug
60°
90°
Sep
58°
88°
Oct
53°
81°
Nov
47°
73°
Dec
43°
67°

Average Temperature in Degrees Fahrenheit

Precipitation

Precipitation (inch)

Tour the area

Schedule a
tour with a
personal guide

There's more to learn about Diamond Bar, CA 91765!
Explore more local area information

An Equal Opportunity Company

Copyright © 2025 California Regional Multiple Listing Service, Inc. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified. Information being provided is for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information being provided is for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

Data powered by Attom Data Solutions. Copyright© 2025. Information deemed reliable but not guaranteed.

This information is provided for general informational purposes only and should not be relied on in making any home-buying decisions. School information does not guarantee enrollment. Contact a local real estate professional or the school district(s) for current information on schools. This information is not intended for use in determining a person's eligibility to attend a school or to use or benefit from other city, town or local services.

† Based on a 30-year fixed rate of 3.38% 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. Interest rates are also subject to credit and property approval based on secondary market guidelines. The rates shown are based on average rates for our best qualified customers. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

Loading