Exquisite custom-built elegant mansion with 10,495 sqft sits on a 4.7388 acres useable lot , including 7 Bedrooms, 7.5 Baths. Set atop a terraced hill in the private and exclusive 24-hour guard gated community of “The Country” in Diamond Bar. The estate offers unparalleled luxury and quality with spectacular canyon views. This home was meticulously designed and finely crafted with every upgrade imaginable! The impressive double door entry opens to open floor plan flooded with natural light and 35’ high ceilings. The grand lobby & huge living room has Schonbek Swarovski chandeliers (2 w/ auto lift). The gourmet kitchen includes all top of the line THERMADOR appliances, a large granite island and Chinese wok kitchen with its separate sink and 5 stove oven with powerful range hook. Family Movie theater- Two sound systems & speakers throughout the whole house. Customized window treatments, gleaming hardwood flooring, and meticulous crown moldings, nothing was overlooked. Double circular staircases leads to an upstairs huge master suite w/ retreat , a lavish master bathroom with a therapeutic soaking tub, oversized shower, dual sinks, steam shower and a walk-in closet. Upstairs has a library, and 5 other spacious suites. The perfect outdoor California living is accessed from the family room includes a custom designed pool, spa, pool house, BBQ, Koi pond / basketball court, fountains, and a circular driveway. For those who understand and appreciate quality, beauty and fine craftsmanship, this home features a remarkably well-appointed interior with expansive rooms in a beautiful setting. This is the ultimate private, entertainer's dream house! This resort style property is located in the award winning Walnut School District and close to all amenities with easy access to FWY 57 & 60. Don't miss out on this rare opportunity!
Single-familyProperty Type
2002Year Built
4.74 acresLot Size
$674Est. Price/Sq.Ft.
4 car garageParking
Listed by Grace Zhang•DRE #01946544• RE/MAX Galaxy
Bought with AOYIN LIANG•DRE #02102748• Pinnacle Real Estate Group
Truly beautiful custom built view mansion in the 24 hour guarded gated "The Country Estate" * sits on 4.7388 acre usable lot * room for tennis/ATV motor courts/horse corral * over sized double door entry leads to 2 story high ceilings marble floor grand lobby & step down huge living room with fireplace & 3 Shonbeck Swarski chandeliers * 2 w/ auto lift * theater room on other side * 2 sound systems & speakers though out whole house * spacious formal dinning room * maple hardwood floor through out good size family room w/ fireplace/entertainment unit * large wet bar w/ separate storage * great room used as billiard room * sunny breakfast nook w/ bay windows * gourmet kitchen w/ black galaxy granite countertops center island & large counter * extended kitchen for heavy cooking * walk-in food pantry * 2 bedrooms(1 suite) plus a full bath & a powder room w/ imported tile counter * laundry room * double circular staircases leads to upstairs huge master suite w/ sitting/fireplace * master bath w/ designer fixtures/spa bath/steam shower * walk-in closets * library * teen room w/ built-in desk * 5 other suites * another staircase to garage * professional landscaped front & back yards with/60 feet pool/spa * built-in pool house/BBQ/Koi pond/basketball court/fountains * circular driveway * too many upgrades to mention * must see!
Year
Property tax
Land + Additions
Assessment*
2025
$82,497 (+4.6%)
$4,000,000 + $3,080,000
$7,080,000
2024
$78,905 (+2.6%)
$2,122,416 + $4,666,236
$6,788,652
2023
$76,922 (+2.9%)
$2,080,800 + $4,574,742
$6,655,542
2022
$74,768 (−1.5%)
$2,040,000 + $4,485,042
$6,525,042
2021
$75,898 (+1.3%)
$2,000,000 + $4,350,000
$6,350,000
2020
$74,921 (+2.0%)
$4,542,888 + $1,896,986
$6,439,874
2019
$73,461 (+4.0%)
$4,496,307 + $1,877,535
$6,373,842
2018
$70,618 (+4.9%)
$4,408,145 + $1,840,721
$6,248,866
2017
$67,294 (+2.9%)
$4,236,972 + $1,769,245
$6,006,217
2016
$65,388 (+186.2%)
$4,236,972 + $1,769,245
$6,006,217
2015
$22,845 (−0.2%)
$4,153,895 + $1,734,554
$5,888,449
2014
$22,896 (+0.9%)
$361,530 + $1,561,622
$1,923,152
2012
$22,689 (+3.0%)
$359,897 + $1,554,565
$1,914,462
2011
$22,038 (+0.9%)
$352,841 + $1,524,084
$1,876,925
2010
$21,848 (+0.1%)
$345,923 + $1,494,200
$1,840,123
2009
$21,822 (+2.6%)
$343,338 + $1,483,033
$1,826,371
2008
$21,278
$344,154 + $1,486,557
$1,830,711
Tax history for 2819 Crystal Ridge Rd
Year
Property tax
Land + Additions
Assessment*
2025
$82,497 (+4.6%)
$4,000,000 + $3,080,000
$7,080,000
2024
$78,905 (+2.6%)
$2,122,416 + $4,666,236
$6,788,652
2023
$76,922 (+2.9%)
$2,080,800 + $4,574,742
$6,655,542
2022
$74,768 (−1.5%)
$2,040,000 + $4,485,042
$6,525,042
2021
$75,898 (+1.3%)
$2,000,000 + $4,350,000
$6,350,000
2020
$74,921 (+2.0%)
$4,542,888 + $1,896,986
$6,439,874
2019
$73,461 (+4.0%)
$4,496,307 + $1,877,535
$6,373,842
2018
$70,618 (+4.9%)
$4,408,145 + $1,840,721
$6,248,866
2017
$67,294 (+2.9%)
$4,236,972 + $1,769,245
$6,006,217
2016
$65,388 (+186.2%)
$4,236,972 + $1,769,245
$6,006,217
2015
$22,845 (−0.2%)
$4,153,895 + $1,734,554
$5,888,449
2014
$22,896 (+0.9%)
$361,530 + $1,561,622
$1,923,152
2012
$22,689 (+3.0%)
$359,897 + $1,554,565
$1,914,462
2011
$22,038 (+0.9%)
$352,841 + $1,524,084
$1,876,925
2010
$21,848 (+0.1%)
$345,923 + $1,494,200
$1,840,123
2009
$21,822 (+2.6%)
$343,338 + $1,483,033
$1,826,371
2008
$21,278
$344,154 + $1,486,557
$1,830,711
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Public record
Public record
Zoning
Beds
7
Baths
7
Stories
—
Lot width
—
Lot depth
—
Lot size
4.74 Acres
Year renovated
2002
Sq. Ft.
10,495
Year built
2002
Style
Single Family Residential
County
Los Angeles County
APN
8713051010
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Oct 7, 2026.
RR
Rural Residential District
The RR zoning district identifies hillside areas intended for rural living, including the keeping of animals, with supporting accessory structures. The maximum allowed density for new residential subdivisions within this zoning district will be one dwelling unit per gross acre, or lower densities where required by chapter 22.22 (Hillside Management). The RR zoning district is consistent with the rural residential land use category of the general plan.
Permitted uses
Include but are not limited to:
Livestock production
Housing-Single unit
Housing-Senior
Housing-Other
Infrastructure
Fire house
Police station
Park & open space
Property details
Parking
Parking / Garage Information
Attached Garage
# of Garage Spaces: 4
# of Parking Spaces: 4
Interior
Laundry Information
Has Laundry
Gas & Electric Dryer Hookup, Individual Room
Bathroom Information
# of Baths (Full): 7
# of Baths (1/2): 1
Cooling Information
Central
Has Cooling
Room Information
Art Studio, Bonus Room, Entry, Family Room, Formal Entry, Foyer, Galley Kitchen, Game Room, Kitchen, Laundry, Library, Living Room
Fireplace Information
Living Room, Primary Bedroom
Has Fireplace
Heating Information
Central Furnace
Has Heating
Interior Features
2 Staircases
Levels: Two
Main Level Bathrooms: 2
Main Level Bedrooms: 2
Exterior
Exterior Information
Structure Type: House
Exterior Features
Pool Features: Private, In Ground
Has Pool
Lot Information
Elevation Units: Feet
Lot Size Source: Assessor's Data
Lot Features: Horse Property, Lot Over 40000 Sqft
Property Information
Total # of Units: 1
Common Walls: No Common Walls
Living Area Source: Assessor's Data
Parcel Number: 8713051010
Has View
Year Built Source: Assessor
Utilities
Utilities Information
Sewer: Public Sewer
Water Source: District/Public
Location
Homeowners Association
Is Part of Association
Association Name: DBCEA
Association Fee: $270
Association Fee Frequency: Monthly
Association Amenities: Pool, Spa, Barbecue, Outdoor Cooking Area, Playground, Tennis, Sport Court, Hiking Trails, Horse Trails, Club House
Neighborhood Information
Community Features: Suburban
School Information
High School District: Walnut Valley Unified
Location Information
Latitude: 33.96633100
Longitude: -117.83421100
Directions: Close to Diamond Bar Gate
Zoning: LCR120000-A2-1
Public facts
Beds: 7
Baths: 7.0
Sq. Ft.: 10,495
Stories: —
Lot Size: 4.74 acres
Style: Single Family Residential
Year Built: 2002
Year Renovated: 2002
County: Los Angeles County
APN: 8713051010
Home facts updated by county records on Oct 7, 2026
Other
Listing Information
Days Active in MLS: 51
Continuous Days Active in MLS: 51
Listing Agent Information
List Agent First Name: Grace
List Agent Last Name: Zhang
Listing Office Information
List Office Name: RE/MAX Universal Realty
Selling Agent Information
Buyer Agent First Name: AOYIN
Buyer Agent Last Name: LIANG
Selling Office Information
Buyer Office Name: Pinnacle Real Estate Group
Around this home
Schools
Castle Rock Elementary School
Public K-5 • Assigned • 0.7mi
10/10
South Pointe Middle School
Public 6-8 • Assigned • 1.9mi
10/10
Diamond Bar High School
Public 9-12 • Assigned • 1.1mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
5/10 Fire Factor
6% chance of being in a wildfire in next 30 years
5/10 Heat Factor
5 days above 98° expected this year, 14 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
6/10 Air Factor
10 unhealthy days expected this year, 13 days in 30 years
Provided by First Street
Historical weather
Diamond Bar, CA • 91765
Average low and high temperatures (°F)
68
50
71
52
73
53
72
53
76
57
81
60
86
63
89
65
85
65
80
59
71
52
69
51
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 9.5 hours in
June and 6.9 hours in December, placing it above the
U.S. average for solar exposure.
9.5 hrs
6.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$6.72M – $8.13M
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