Pending
New ConstructionNew Construction
Sale Pending at 23509 Ridge Line Rd, Diamond Bar, CA 91765 | MLS# TR25148967 | Listing updated on 2026-10-09
Photo 1 of Sale Pending at 23509 Ridge Line Rd, Diamond Bar, CA 91765 | MLS# TR25148967 | Listing updated on 2026-10-09
Photo 2 of Sale Pending at 23509 Ridge Line Rd, Diamond Bar, CA 91765 | MLS# TR25148967 | Listing updated on 2026-10-09
Photo 3 of Sale Pending at 23509 Ridge Line Rd, Diamond Bar, CA 91765 | MLS# TR25148967 | Listing updated on 2026-10-09
Photo 4 of Sale Pending at 23509 Ridge Line Rd, Diamond Bar, CA 91765 | MLS# TR25148967 | Listing updated on 2026-10-09
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Listed by: Juliet Chung (909) 495-8589 DRE #01887530, Diana Cheng DRE #00856071 | Country Queen Real Estate (909) 208-4040

$1,699,000

Monthly Est:$8,457

  • Beds Icon-- Bed
  • Beds Icon
    -- Bath
  • Beds Icon1.59acres lot

23509 Ridge Line Rd, Diamond Bar, CA 91765

$8,457/moEst:

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  • Land

  • Built in -

  • $350/mo HOA

  • 1.59 acres lot

  • $1,068,553/acre

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.

  • Houzeo last checked: 12 hours ago
  • Listing updated: October 9, 2026 at 11:14 pm
  • Source: California Regional MLS-CA | MLS#: TR25148967 California Regional MLS-CA

Property Details

  • Status

    Pending

  • Type

    Land

  • No. of Stories

    -

  • County

    Los Angeles County

  • City

    Diamond Bar

  • Neighborhood

    --

  • Year Built

    -

  • HOA Fees

    $350/mo

  • Finished Area

    - sqft

  • Lot Size

    1.59 acres lot

  • Basement Area

    - sqft

  • MLS Name

    California Regional MLS

  • MLS Number

    TR25148967

  • MLS Status

    Pending

  • Days on Market

    466

  • Cumulative Days on Market

    419

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Location

HOA Management

DBCEA

HOA Fees

$350/ Monthly

Disclaimer: Amenities are based on third-party information and may vary; buyers must independently verify all amenities, as information is deemed reliable but not guaranteed.

Facts & Features

Rooms

  • Bedrooms & bathrooms

    Bedroom: --

    Bathroom: --

Interior

  • Sewer

    Public Sewer

Utilities & Energy

  • Utilities

    Sewer Connected

  • Water Source

    Public

Other Features

  • Lot Features

    Lot Over40000sqft, Landscaped, Sprinkler System

  • Community Features

    Horse Trails, Park, Suburban

  • Disclosures

    Covenants Restrictions Disclosure, Hoa Disclosure

Price History

DateEventPrice

10/01/2026

Source: mls_logoCalifornia Regional MLS-CA #TR25148967

Pending

$1,699,000

$0/sqft

08/26/2026

Source: mls_logoCalifornia Regional MLS-CA #TR25148967

Contingent (Active Under Contract)

$1,699,000

$0/sqft

07/02/2025

Source: mls_logoCalifornia Regional MLS-CA #TR25148967

Listed for Sale

$1,699,000 -14.54%

$0/sqft

03/19/2024

Source: mls_logoCalifornia Regional MLS-CA #TR24054787

Off Market

$1,988,000 +51.76%

$0/sqft

10/23/2015

Source: mls_logoCalifornia Regional MLS-CA #CV15167122

Sold

$1,310,000

$0/sqft

Nearby Homes

Based on information from California Regional Multiple Listing Service, Inc. as of Oct 12, 2026, 10:30AM and /or other sources. 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. Information being provided is for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. This website may not include listings or property addresses of sellers who have directed their listing brokers to withhold their listing or their property address from display on the Internet. © 2026 California Regional Multiple Listing Service. All Rights Reserved.

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