Pride of ownership defines this luxury residence where privacy, elegance, and exceptional craftsmanship converge in this remarkable hillside home located within the Diamond Hills Estates of a prestigious 24-hour guard-gated community. Thoughtfully enhanced with over $300,000 in premium upgrades, this 5-bedroom, 4.5-bath estate offers 4,212 sq. ft. of refined living space and reflects an outstanding level of care and attentionfar surpassing the standard model-home experience. The entry welcomes you with soaring 20-foot ceilings and a grand open foyer, while 9-foot ceilings extend throughout the remainder of the home, enhancing its spacious and airy ambiance. The highly versatile floor plan features a rare dual-primary-suite configuration, including a generous main-level primary retreat, two inviting living areas, and two upper-level lofts ideal for a home office, media room, or flexible lifestyle needs. beautifully remodeled chef’s kitchen is designed for both everyday comfort and elevated entertaining. It showcases custom slim-shaker cabinetry, premium Sub-Zero and Wolf appliances, elegant Italian porcelain tile, White Oak engineered hardwood flooring, fully renovated bathrooms finished with imported Italian porcelain tile, a fully integrated smart-home system, brand-new plumbing, and a central water-softening system. Residents enjoy the security of 24-hour guarded access while remaining just minutes from shopping, dining, top-rated schools, and major transportation routes. This is a rare opportunity to own a truly distinguished Diamond Bar estate, where thoughtful design, extensive upgrades, security, and sophisticated living come together in perfect harmony.
Single-familyProperty Type
2001Year Built
7,434 sq ftLot Size
$472Price/Sq.Ft.
$430/moHOA Dues
3 car garageParking
Listed by Cathy Cheng•DRE #01270713• CC Royal Realty
Contact: 626-222-3050
Bought with Christine Kim•DRE #01032705• RE/MAX GALAXY
Est. $5,276 per month, based on comparable rentals
Sale and tax history for 23601 Ridgecrest Ct
Sale History
Tax History
Date
Event
Price
CRMLS #TR26182594
Sep 18, 2026
Sold
$1,990,000
$472/sq ft
Sep 3, 2026
Contingent
—
Aug 20, 2026
Listed
$2,198,000
$522/sq ft
CRMLS #WS26137958
Aug 19, 2026
Listing Removed
—
Aug 5, 2026
Price Changed
$2,198,000
$522/sq ft
Jun 24, 2026
Listed
$2,288,000
$543/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #41002863
Feb 23, 2024
Sold
$1,640,000
$389/sq ft
Dec 18, 2023
Pending
—
Sep 8, 2022
Price Changed
$1,788,888
$425/sq ft
Jul 23, 2022
Listed
$1,888,888
$448/sq ft
+55
Come home to a beautiful and spacious home in sought after Diamond Hills Ranch community. This luxurious home is approximately 4,000 square foot with high ceilings and open floor plan. A Large full bedroom and full bathroom on the first floor, and an additional half bath for guests. Upstairs spots two lofts (potential den/office use), Master bedroom and another three bedrooms. Remodeled chef's kitchen with a special wok cooking room. Relax in the family room over-looking the cultivated and well-maintained backyard. Separate dining room and living room over looking the open, high ceilings with stairs leading up to the second floor. Dual zone central air and heat. 24-Hour guarded/gated security service. Epoxy floor on Large 3-car garage with driveway to park even more cars. Laundry room with sink. Light and airy with great floor plan and layout. Great location! Must see!
CRMLS #CV22167493
Dec 31, 2023
Listing Removed
—
Oct 31, 2023
Listing Removed
—
Oct 30, 2022
Listing Removed
—
Sep 8, 2022
Price Changed
$1,788,888
$425/sq ft
Jul 29, 2022
Listed
$1,888,888
$448/sq ft
Greater Lansing AoR #19468198
Jul 17, 2019
Sold
$1,080,000
$256/sq ft
May 16, 2019
Listed
$1,190,000
$283/sq ft
TheMLS #19-468198
Jul 17, 2019
Sold
$1,080,000
$256/sq ft
Jun 17, 2019
Contingent
—
May 16, 2019
Listed
$1,190,000
$283/sq ft
SDMLS #300967891
May 15, 2019
Listing Removed
—
Mar 5, 2019
Listed
$1,385,000
$329/sq ft
Public Records
Jul 5, 2002
Sold
$655,000
$156/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$22,115 (+50.4%)
$832,320 + $873,936
$1,706,256
2024
$14,704 (+2.3%)
$816,000 + $856,800
$1,672,800
2023
$14,368 (+1.5%)
$531,489 + $635,064
$1,166,553
2022
$14,151 (+2.3%)
$521,068 + $622,612
$1,143,680
2021
$13,834 (+0.3%)
$510,851 + $610,404
$1,121,255
2020
$13,789 (−26.0%)
$500,835 + $598,436
$1,099,271
2019
$18,634 (+38.9%)
$495,700 + $592,300
$1,088,000
2018
$13,415 (+1.7%)
$700,000 + $722,500
$1,422,500
2017
$13,184 (+4.8%)
$392,552 + $655,469
$1,048,021
2016
$12,582
$392,552 + $655,469
$1,048,021
2015
$12,584 (+0.8%)
$384,855 + $642,617
$1,027,472
2014
$12,478 (+28.4%)
$374,800 + $626,472
$1,001,272
2012
$9,715 (+3.2%)
$320,727 + $551,834
$872,561
2011
$9,417 (+0.5%)
$236,723 + $518,306
$755,029
2010
$9,367 (+2.6%)
$232,082 + $508,144
$740,226
2009
$9,128 (+4.9%)
$230,348 + $504,347
$734,695
2008
$8,705
$230,896 + $505,546
$736,442
Public record
Public record
Zoning
Beds
5
Baths
5
Stories
—
Lot width
—
Lot depth
—
Lot size
7,434 Sq. Ft.
Year renovated
2001
Sq. Ft.
4,212
Year built
2001
Style
Single Family Residential
County
Los Angeles County
APN
8701058015
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Oct 7, 2026.
RL
Low Density Residential District
The RL zoning district is intended primarily for parcels developed with existing detached single-family dwellings. The maximum allowed density for new residential subdivisions within this zoning district will be three dwellings per gross acre. The RL zoning district is consistent with the low density 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: 3
Driveway Up Slope From Street, Garage - Front Entry, Driveway, Garage Door Opener, Garage - Two Door
Has Parking
# of Parking Spaces: 3
Interior
Laundry Information
Has Laundry
Individual Room, Gas & Electric Dryer Hookup, Washer Hookup
Kitchen Information
Appliances: Microwave, Gas Range, Gas Oven
Has Appliances
Formal Dining Room
Self-closing drawers, Walk-In Pantry, Kitchen Open to Family Room, Butler’s Pantry, Granite Counters, Kitchen Island, Built-in Trash/Recycling, Self-closing cabinet doors
Bathroom Information
# of Baths (Full): 5
Upgraded, Shower in Tub, Closet in bathroom, Exhaust fan(s), Walk-in shower, Main Floor Full Bath, Double sinks in bath(s), Bathtub, Low Flow Toilet(s), Hollywood Bathroom (Jack&Jill), Remodeled, Shower
Cooling Information
Gas, Dual, Central, Zoned
Has Cooling
Room Information
Jack & Jill, Walk-In Closet, Primary Bedroom, Laundry, Office, Kitchen, Living Room, Main Floor Bedroom, Family Room, Primary Suite
Fireplace Information
Gas, Family Room
Has Fireplace
Flooring Information
Tile, Carpet
Heating Information
Central Furnace
Has Heating
Interior Features
Entry Level: 1
Entry Location: 1
High Ceilings (9 Feet+), Open Floor Plan, Granite Counters
Levels: One
Main Level Bathrooms: 1
Main Level Bedrooms: 1
Security Features: Carbon Monoxide Detector(s), 24 Hour Security, Smoke Detector, Gated with Guard, Gated Community
Window Features: Double Pane Windows
Exterior
Exterior Information
Structure Type: House
Roof: Tile
Fencing: Wood
Has Fence
Foundation Information
Foundation Details: Concrete Slab
Exterior Features
Rain Gutters
Patio And Porch Features: Patio Open
Has Patio
Pool Features: None
Has Sprinklers
Lot Information
Elevation Units: Feet
Lot Size Source: Assessor's Data
Lot Features: Sprinklers In Front, Landscaped, Front Yard, Sprinkler System, Back Yard, Sprinklers In Rear
Property Information
Common Interest: Planned Development
Total # of Units: 1
Accessibility Features: None
Common Walls: No Common Walls
Living Area Source: Assessor's Data
Parcel Number: 8701058015
Property Condition: Turnkey
Total # of Stories: 2
Year Built Source: Assessor
Property ADU: No
Financial
Assesments Information
Assessments: Unknown
Utilities
Utilities Information
Sewer: Public Sewer
Water Available, Sewer Available, Telephone - In Street, Natural Gas Available, Cable Available
Water Source: District/Public
Location
Homeowners Association
Is Part of Association
Association Name: Diamond Hills Ranch
Association Fee: $430
Association Fee Frequency: Monthly
Association Amenities: Guard, Onsite Property Management, Security
Neighborhood Information
Community Features: Sidewalks
School Information
High School District: Pomona Unified
Location Information
Latitude: 34.00962100
Longitude: -117.80473100
Directions: Crestview Dr. and Ridgecrest Ct
Public facts
Beds: 5
Baths: 5.0
Sq. Ft.: 4,212
Stories: —
Lot Size: 7,434 square feet
Style: Single Family Residential
Year Built: 2001
Year Renovated: 2001
County: Los Angeles County
APN: 8701058015
Home facts updated by county records on Oct 7, 2026
Other
Listing Information
IDX Contact Info: 626-222-3050
Days Active in MLS: 14
Continuous Days Active in MLS: 70
Listing Agent Information
List Agent First Name: Cathy
List Agent Last Name: Cheng
Listing Office Information
List Office Name: CC Royal Realty
Selling Agent Information
Buyer Agent First Name: Christine
Buyer Agent Last Name: Kim
Selling Office Information
Buyer Office Name: RE/MAX GALAXY
Around this home
Schools
Pantera Elementary School
Public K-6 • Assigned • 0.8mi
10/10
Lorbeer Middle School
Public 7-8 • Assigned • 0.6mi
5/10
Diamond Ranch High School
Public 9-12 • Assigned • 1.7mi
8/10
Provided by GreatSchools
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
4/10 Fire Factor
3% chance of being in a wildfire in next 30 years
6/10 Heat Factor
4 days above 97° expected this year, 12 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
67/ 100
Moderate sunlight
Sunscore
There appears to be some shading by surrounding buildings, terrain, and vegetation.
6.6 hrs
4.4 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$1.93M – $2.34M
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