Skip main navigation
For sale
    • Listed by: ReMax 2000 Realty • Amie Chen • Contact: 626-806-5266
    Price cut: $1M (5/20)
    $6,990,000

    22588 Ridge Line Rd, Diamond Bar, CA 91765

    11beds
    17,241sqft
    : 
    $47,560/mo
    Get pre-qualified
    Single Family Residence
    Built in 2008
    1.22 Acres Lot
    $6,589,100 Zestimate®
    $405/sqft
    $308/mo HOA

    What's special

    Bbq stationTwo huge primary suitesPolished marble floorsDedicated meditation roomPrivate game roomHome theaterSoaring vaulted ceilings
    Luxurious 17,000-square-foot mansion located in the renowned “The Country Estates”. This efficiently designed residence features nine generously sized en-suite bedrooms, along with two huge primary suites and two powder rooms on the main level, totaling 11 bedrooms and 13 bathrooms. Situated on approximately 1.2 acres of well-maintained landscaping, the home captures breathtaking views of city lights and scenic hills from multiple vantage points. Upon entry, you’re welcomed by polished marble floors, soaring vaulted ceilings, and an impressive foyer with a dual staircase. The main level open-concept living areas create a bright and inviting atmosphere, ideal for both everyday living and entertaining and are equipped with two powder rooms and a bar area that’s perfect for hosting guests. The gourmet kitchen is designed for both functionality and style, featuring a large island, an oversized butler’s pantry, and additional high-end features to support daily living and entertaining needs. An elevator adds convenience and accessibility throughout the home. The ten-car garage provides ample space for large households or car enthusiasts. Additional interior highlights include a private game room, home theater, and a dedicated meditation room. The backyard offers an Italian villa-inspired retreat, designed for relaxation and complete with a Pool, Spa, BBQ station. Carefully crafted, this home blends refined elegance with everyday comfort. Located in a highly sought-after community with top-rated schools, the HOA includes 24-hour guard-gated security and amenities such as a community pool and spa, tennis courts, a clubhouse, and more. Come experience everything this exceptional property has to offer.
    123 days
    |
    1,520
    |
    90
    |

    Zillow last checked:

    Listing updated:

    Listed by:

    Amie Chen DRE #01413066 626-806-5266,

    ReMax 2000 Realty,

    Bella Le Deaux DRE #02158081,

    ReMax 2000 Realty

    Source: CRMLS,MLS#: TR26059752MLS LogoOriginating MLS: California Regional MLS

      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 11
      • Bathrooms: 13
      • Full bathrooms: 11
      • 1/2 bathrooms: 2
      • Main level bathrooms: 4
      • Main level bedrooms: 2
      Rooms
      • Room types: Bonus Room, Bedroom, Den, Entry/Foyer, Exercise Room, Family Room, Foyer, Game Room, Guest Quarters, Great Room, Laundry, Library, Living Room, Primary Bathroom, Primary Bedroom, Media Room, Office, Other, Projection Room, Pantry, Retreat
      Primary bedroom
      • Features: Primary Suite
      Primary bedroom
      • Features: Main Level Primary
      Bathroom
      • Features: Bathroom Exhaust Fan, Bathtub, Closet, Dual Sinks, Full Bath on Main Level, Granite Counters, Jetted Tub, Multiple Shower Heads, Stone Counters, Soaking Tub
      Kitchen
      • Features: Butler's Pantry, Granite Counters, Kitchen Island, Kitchen/Family Room Combo, Utility Sink, Walk-In Pantry
      Heating
      • Central, Fireplace(s), Natural Gas
      Cooling
      • Central Air
      Appliances
      • Included: Built-In Range, Barbecue, Convection Oven, Double Oven, Dishwasher, Freezer, Gas Cooktop, Gas Oven, Gas Range, Gas Water Heater, Microwave, Refrigerator, Range Hood, Vented Exhaust Fan, Water Heater, Warming Drawer, Dryer, Washer
      • Laundry: Inside, Laundry Room, Upper Level
      Features
      • Wet Bar, Balcony, Crown Molding, Cathedral Ceiling(s), Central Vacuum, Elevator, Granite Counters, High Ceilings, Intercom, Multiple Staircases, Open Floorplan, Pantry, Partially Furnished, Stone Counters, Recessed Lighting, Storage, Two Story Ceilings, Bar, Wired for Sound, Bedroom on Main Level, Entrance Foyer
      • Flooring: Carpet, Tile
      • Has fireplace: Yes
      • Fireplace features: Living Room
      • Common walls with other units/homes: No Common Walls
      Interior area
      • Total interior livable area: 17,241 sqft
      Video & virtual tour

      Property

      Parking
      • Total spaces: 10
      • Parking features: Direct Access, Driveway, Garage, Oversized, Private, Garage Faces Side
      • Attached garage spaces: 10
      Accessibility
      • Accessibility features: Safe Emergency Egress from Home, Accessible Elevator Installed, Parking
      Features
      • Levels: Multi/Split
      • Entry location: front door
      • Patio & porch: Rear Porch, Covered, Front Porch
      • Exterior features: Barbecue
      • Has private pool: Yes
      • Pool features: Community, Fenced, In Ground, Private, Association
      • Has spa: Yes
      • Spa features: Association, Community, In Ground, Private
      • Has view: Yes
      • View description: Hills
      Lot
      • Size: 1.22 Acres
      • Features: 0-1 Unit/Acre, Lot Over 40000 Sqft, Landscaped, Sprinkler System
      Details
      • Additional structures: Gazebo
      • Parcel number: 8713029021
      • Special conditions: Standard
      • Other equipment: Intercom
      • Horse amenities: Riding Trail

      Construction

      Type & style
      • Home type: SingleFamily
      • Property subtype: Single Family Residence
      Condition
      • New construction: No
      • Year built: 2008

      Utilities & green energy

      • Sewer: Public Sewer
      • Water: Public

      Community & HOA

      Community
      • Features: Curbs, Horse Trails, Suburban, Sidewalks, Gated, Pool
      • Security: Gated with Guard, Gated Community, Gated with Attendant, 24 Hour Security
      HOA
      • Has HOA: Yes
      • Amenities included: Clubhouse, Sport Court, Horse Trail(s), Management, Barbecue, Picnic Area, Playground, Pickleball, Pool, Guard, Spa/Hot Tub, Security, Tennis Court(s), Trail(s)
      • HOA fee: $308 monthly
      • HOA name: Diamond Bar Country Estate
      • HOA phone: 909-861-4114
      Location
      • Region: Diamond Bar

      Financial & listing details

      • Price per square foot: $405/sqft
      • Tax assessed value: $6,454,114
      • Annual tax amount: $79,246
      • Date on market: 3/27/2026
      • Cumulative days on market: 123 days
      • Listing terms: Cash,Cash to New Loan

        Estimated market value

        $6,589,100

        $6.26M - $6.92M

        $2,660/mo

        Price history

        DateEventPrice
        5/20/2026Price change$6,990,000-12.5%$405/sqft
        Source: CRMLS #TR26059752 Report a problem
        3/27/2026Listed for sale$7,990,000$463/sqft
        Source: CRMLS #TR26059752 Report a problem
        9/5/2025Listing removed$7,990,000$463/sqft
        Source: SDMLS #TR24161516 Report a problem
        6/23/2025Listed for sale$7,990,000+33.6%$463/sqft
        Source: SDMLS #TR24161516 Report a problem
        1/1/2010Listing removed$5,980,000$347/sqft
        Source: GoGo Realtors Report a problem
        10/19/2009Listed for sale$5,980,000+19.6%$347/sqft
        Source: GoGo Realtors Report a problem
        9/16/2009Sold$5,000,000+624.6%$290/sqft
        Source: Public Record Report a problem
        6/9/2000Sold$690,000$40/sqft
        Source: Public Record Report a problem

        Public tax history

        YearProperty taxesTax assessment
        2025$79,246 +5%$6,454,114 +2%
        2024$75,500 +2.6%$6,327,564 +2%
        2023$73,612 +2.2%$6,203,496 +2%
        2022$72,063 +1.9%$6,081,860 +2%
        2021$70,727 +1.3%$5,962,608 +1%
        2020$69,814 $5,901,470 +2%
        2019$69,814 +6.1%$5,785,756 +2%
        2018$65,823 $5,672,310 +2%
        2017$65,823 +4.9%$5,561,090 +2%
        2016$62,741 +3.1%$5,452,050 +1.5%
        2015$60,863 -0.7%$5,370,156 +2%
        2014$61,308 $5,264,964 +2.5%
        2012-- $5,138,402 +2%
        2011-- $5,037,650 +0.8%
        2010-- $5,000,000 +31%
        2009-- $3,815,785 +76.7%
        2008-- $2,159,428 +2%
        2007-- $2,117,087 +2%
        2006-- $2,075,577 +96.1%
        2005-- $1,058,577 +41.9%
        2004-- $745,903 +1.9%
        2003-- $732,233 +2%
        2002-- $717,876 +38.2%
        2000-- $519,450
        Find assessor info on the county website

        Monthly payment

        Est. payment

        Payment breakdown

        Explore the cost of this home by adjusting the details. Changes won't be saved.
        All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
        HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
        Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.
        See how much you could borrow to make a competitive offer.
        Get pre-qualified

        Climate risks

        Neighborhood: 91765

        Getting around

        1 / 100
        Car-Dependent
        2 / 100
        Somewhat Bikeable

        Nearby schools

        GreatSchools rating

        A local agent can set up tours, give advice and negotiate with sellers.

        Browse local experts

        Similar homes

            • Local buyer's agents are ready to help

              Nearby cities

              Nearby zip codes

              Other Diamond Bar Topics

                Search
                Updates
                Favorites
                Plan
                Inbox