23509 Ridge Line Road, Diamond Bar, CA 91765

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Property Description

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 haven’s offerings would be unlike anything in the community. The immaculate grounds and bountiful amenities—including 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 can be modified and changed to the buyers' desire! Don’t miss this chance to custom build your dream home on a fully graded and finished lot! Builder is renowned construction company, Primior JYZ.


Interior Features

Bedroom Information
Bedrooms N/A
Bathroom Information
Bathrooms N/A

Listing Information

Address 23509 Ridge Line Road
City Diamond Bar
State CA
Zip 91765
County Los Angeles
Listing Agent Juliet Chung DRE #01887530
Co-Listing Agent Diana Cheng DRE #00856071
Courtesy Of Country Queen Real Estate
List Price $1,699,000
Status Active
Type Land
Structure Size N/A
Lot Size 69,190

Listing information courtesy of: Juliet Chung, Diana Cheng, Country Queen Real Estate. *Based on information from the Association of REALTORS/Multiple Listing as of Jan 7th, 2026 at 4:51 AM and/or other sources. Display of MLS data is deemed reliable but is not guaranteed accurate by the MLS. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.