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New construction
  • Listing Provided by: Country Queen Real Estate
    $1,699,000

    23509 Ridge Line Rd #50, Diamond Bar, CA 91765

    --beds
    --baths
    1.59Acres
    : 
    Unimproved Land
    Built in ----
    1.59 Acres Lot
    $-- Zestimate®
    $--/sqft
    $308/mo HOA

    What's special

    Sprawling acres
    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.
    260 days
    |
    438
    |
    12
    |

    Zillow last checked: 7 hours ago

    Listing updated: February 06, 2026 at 03:03pm

    Listing Provided by:

    Juliet Chung DRE #01887530 jules.chung@gmail.com,

    Country Queen Real Estate,

    Diana Cheng DRE #00856071 909-208-4040,

    Country Queen Real Estate

    Source: CRMLS,MLS#: TR25148967MLS LogoOriginating MLS: California Regional MLS

      Facts & features

      Property

      Features
      • Fencing: Excellent Condition,Vinyl,Wrought Iron
      • Has view: Yes
      • View description: City Lights, Mountain(s), Panoramic
      Lot
      • Size: 1.59 Acres
      • Features: Lot Over 40000 Sqft, Landscaped, Sprinkler System
      Details
      • Parcel number: 8713004004
      • Zoning: LCR140000*
      • Special conditions: Standard
      • Horse amenities: Riding Trail

      Utilities & green energy

      • Sewer: Public Sewer
      • Water: Public
      • Utilities for property: Sewer Connected

      Community & HOA

      Community
      • Features: Horse Trails, Park, Suburban
      HOA
      • Has HOA: Yes
      • HOA fee: $308 monthly
      • HOA name: DBCEA
      • HOA phone: 909-861-4114
      Location
      • Region: Diamond Bar

      Financial & listing details

      • Date on market: 7/2/2025
      • Cumulative days on market: 260 days
      • Listing terms: Cash,Cash to New Loan,Conventional
      • Inclusions: approved plans, land value, grading, sold as-it-is. Negotiable.
      • Road surface type: Paved

        Estimated market value

        Not available

        Estimated sales range

        Not available

        $3,725/mo

        Price history

        Price history
        DateEventPrice
        7/3/2025Listed for sale$1,699,000
        Source: CRMLS #TR25148967 Report a problem

        Public tax history

        Public tax history
        Tax history is unavailable.

        BuyAbility℠ payment

        Est. payment
        $10,436/mo
        Principal & interest
        $8457
        Property taxes
        $1671
        HOA Fees
        $308
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          Neighborhood: 91765

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