23509 Ridge Line, Diamond Bar Property Listing: MLS® #TR25148967

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

23509 Ridge Line, Diamond Bar Property Listing: MLS® #TR25148967 Close
Page Summary
NEW
  • MLS® #: TR25148967
  • 23509 Ridge Line
  • Diamond Bar, CA 91765
  • $1,699,000
  • 1.59 Acres
  • Office: Country Queen Real Estate

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

Supplemental Remarks

Essential Information

  • MLS® #TR25148967
  • Listing Price$1,699,000
  • Date ListedJuly 2nd, 2025
  • Days on Market4
  • Acres1.59
  • Lot Sq.Ft.69,191
  • TypeLand
  • Sub-TypeLots/Land
  • StatusActive

Dues

  • HOA Dues$308
  • Total Monthly Dues$308

Community Information

  • Address23509 Ridge Line
  • AreaDIAMOND BAR (91765)
  • SubdivisionThe Country Estates
  • CityDiamond Bar
  • CountyLos Angeles
  • StateCA
  • Zip Code91765

Amenities

  • AmenitiesHorse Trails
  • Has PoolYes

Interior

  • FireplaceYes
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Listing information last updated on September 2nd, 2025 at 2:25pm PDT.