$1,699,000 - 23509 Ridge Line Road, Diamond Bar

  • 1.59Acres

Diamond Bar Home For Sale

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.

Sales Agent

Sam Smith
  • Sam Smith
  • San Clemente Realtor ®
  • Phone: 949-204-5110
  • Cell: 949-204-5110
  • Contact Agent Now

Amenities

  • UtilitiesSewer Connected
  • ViewCity Lights, Mountain(s), Panoramic

Essential Information

  • MLS® #TR25148967
  • Price$1,699,000
  • Bathrooms0.00
  • Acres1.59
  • TypeLand
  • StatusActive
  • Listing AgentJuliet Chung
  • Listing OfficeCountry Queen Real Estate

Exterior

  • Lot DescriptionLandscaped, Sprinkler System, Lot Over 40000 Sqft

Community Information

  • Address23509 Ridge Line Road
  • Area616 - Diamond Bar
  • CityDiamond Bar
  • CountyLos Angeles
  • Zip Code91765

Additional Information

  • Date ListedJuly 2nd, 2025
  • Days on Market275
  • ZoningLCR140000*
  • Short SaleN
  • RE / Bank OwnedN

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  • City:
    Diamond Bar
  • Price Range:
    $599,000 - $6,990,000
  • Current Listings:
    20
  • HOA Dues:
    $165
  • Average Price per Square Foot:
    $

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Based on information from California Regional Multiple Listing Service, Inc. as of April 3rd, 2026 at 10:20am PDT. 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. Display of MLS data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals. Information from sources other than the Listing Agent may have been included in the MLS data. Unless otherwise specified in writing, Broker/Agent has not and will not verify any information obtained from other sources. The Broker/Agent providing the information contained herein may or may not have been the Listing and/or Selling Agent.