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$1,699,000
23509 Ridge Line, Diamond Bar, CA 91765
0Beds
244Days Listed
2Lot Sq Ft
Listed by Juliet Chung, Country Queen Real Estate | 909-374-0299
About This Property
Located in the prestigious 24hr guard-gated The Country Estates community, this beautiful proposed contemporary residence that is nestled in a highly sought-after location boasting panoramic city lights and mountain views, is graded and ready for construction to be customized and completed by the new owner. Proposed plans for a stunningly perfect contemporary resort-style estate boasting 5 bedroom suites, 7 bathrooms, and approx. 8,000 sqft of pristine and sumptuous living space situated on 1.59 sprawling acres, this sophisticated modern havens offerings would be unlike anything in the community. The immaculate grounds and bountiful amenitiesincluding appealing water features at the elegant main entrance, two exterior balconies, dual professional offices, a lush 8-seat theater, & a gym, a luxurious family rm, living rm - ALL 3 rms with fully openable sliding doors. Incredible luxurious, entertaining backyard boasts a gorgeous infinity edge pool and spa overlooking stunning city light views, BBQ and fire pit areas, and a kids' play area. This estate will offer the possibilities for countless memories. Building plans also include a gourmet chef's kitchen and a service kitchen, featuring a sizable pantry. The upper floor will have the master suite with large his/her closets, enormously lush bathroom, and fully openable sliding doors that lead to an exterior deck. A junior master suite will also feature a walk-in closet and bathroom along with access to an exterior balcony through fully openable sliding doors. The estate will feature a 4-car garage. The existing proposed plans
Property Details
- Property Type
- Land
- Bedrooms
- 0
- Bathrooms
- 0
- Building Area
- 0 Sqft
- Living Area
- 0 sqft
- Year Built
- 0
- Status
- Active
- Days on Market
- 244
- Cumulative Days on Market
- 221
- Original Price
- $1,699,000
Location & Neighborhood
What's nearby 23509 Ridge Line, Diamond Bar, CA 91765
Nearby Schools
- Quail Summit Elementary School0.3 mi
elementary
Parks & Recreation
- 0.3 mi
Local Amenities
Coffee & Cafes
- torotea0.5 mi
Dining
- NoodleMii0.5 mi
- Diamond Palace0.6 mi
POI data updated 2/22/2026
Diamond Bar Market Snapshot
137
Active Listings
$780K
Median Price
90
Avg Days on Market
Last updated: Feb 7, 2026
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Based on information from California Regional Multiple Listing Service, Inc. as of the date of this data. This information is for your personal, non-commercial use and may not be used for any purpose other than to identify prospective properties you may be interested in purchasing.
$1,699,000