Jim Schwietz

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685 Castlehill DriveWalnut, CA 91789

Single Family · 4 Beds · 3 Full Baths · 1 Half Bath · 2,467 Sq. ft. | 0.28 Acres
$1,599,000 Active

685 Castlehill Drive Overview

Time on Site:
4 days
Visits:
0

Introducing 3 brand new single family homes in Walnut, built in 2026 and located within the highly sought after Walnut Valley Unified School District, with no HOA and no Mello Roos. This exclusive enclave offers approximately 2,432 to 2,585 square feet of refined living space on generous lots ranging from approximately 9,950 to 13,120 square feet, floor plans featuring four bedrooms and three and a half bathrooms to four and a half bathrooms. Designed for modern comfort and elegant entertaining, each residence showcases soaring ceilings, luxury vinyl plank flooring, sleek iron railings, and a bright open concept layout centered around a gourmet kitchen with quartz countertops, premium stainless steel appliances, custom cabinetry, and a large center island. Walls of windows and sliding glass doors bring in abundant natural light while creating seamless indoor outdoor living, opening to landscaped backyards with lush lawns, pergola covered patios, and potential ADU possibilities. Additional highlights include a main level junior suite ideal for guests or multigenerational living, a spa inspired primary retreat with a soaking tub and walk in closet, two car garages with stone facades, private side yards, hillside views, and a convenient location near shopping, freeways, and top rated schools. Backyard photos are AI generated concepts intended to illustrate potential landscape design possibilities.

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685 Castlehill Drive Facts & Features

  • Type Single Family
  • Sq. ft. 2,467
  • Price/Sq.ft. $648
  • Lot 0.28 Acres

Details

General

Association/HOA

  • Association: No
  • Common Interest: None

School Information

  • School District: Walnut Valley Unified

Building Information

  • New Construction: Yes
  • Year Built: 2026

Location/Region

  • Country: US
  • County Or Parish: Los Angeles
  • MLS Area Major: 668 - Walnut
  • Postal City: WALNUT

Community/Development

  • Community Features: Curbs,Street Lights,Sidewalks

Rent/Lease Information

  • Land Lease: No
  • Lease Considered: No

General Information

  • Listing Terms: Cash,Cash to New Loan,Conventional,FHA,Private Financing Available,VA Loan
  • Parcel Number: 8722014017
  • Property Sub Type: Single Family Residence
  • Property Type: Residential
  • Senior Community: No
  • Special Listing Conditions: Standard

Interior

Parking Information

  • Garage Spaces: 2.0
  • Garage: Yes

Beds/Baths

  • Bathrooms Full: 3
  • Bathrooms Half: 1
  • Bathrooms Total: 4
  • Bedrooms Total: 4

General Information

  • Common Walls: No Common Walls
  • Entry Level: 1
  • Entry Location: front door
  • Fireplace Features: Living Room
  • Fireplace: Yes
  • Interior Features: Bedroom on Main Level,Entrance Foyer,Main Level Primary,Primary Suite,Walk-In Closet(s)
  • Laundry Features: Washer Hookup,Gas Dryer Hookup
  • Levels: Two
  • Living Area: 2467.0
  • Living Area Units: Square Feet
  • Main Level Bathrooms: 2
  • Main Level Bedrooms: 1
  • Stories: 2
  • Stories Total: 2

Exterior

Parking Information

  • Parking Features: Garage
  • Parking Total: 2.0

Lot Information

  • Additional Parcels: No
  • Lot Features: 2-5 Units/Acre
  • Lot Size Acres: 0.2769
  • Lot Size Area: 12060.0
  • Lot Size Source: Builder
  • Lot Size Square Feet: 12060.0
  • Lot Size Units: Square Feet
  • Elevation Units: Feet
  • Water Source: Public

Waterfront/View

    Building Exterior/Construction

    • Attached Garage: Yes
    • Direction Faces: South
    • Patio And Porch Features: Open,Patio
    • Property Attached: No
    • Structure Type: House

    General Information

    • Number Of Units Total: 1
    • Pool Features: None
    • Pool Private: No
    • Sewer: Public Sewer

    685 Castlehill Drive Neighborhood

    Community

    91789 (Diamond Bar) Demographics

    45
    Median Age
    2,776
    Population Density (per sq. mile)
    61%
    College Educated
    $105,848
    Estimated Median Income
    10,907
    Estimated Total Home Owners
    2,398
    Estimated Total Renters
    82% / 18%
    Estimated Owner / Renter Divide
    3
    Estimated Average Household Size
    Community data courtesy of LiveBy, Inc.

    Schools

    School data courtesy of LiveBy, Inc. School ratings are based on a scale of 1-5, with 5 being the highest rating and 1 being the lowest rating.

    685 Castlehill Drive Monthly Cost

    $
    $ %
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    $
    $
    * All calculations are estimates and provided by Reliance Network, for informational purposes only. Actual amounts may vary. ** Assumes 6.50% APR, 20% down payment, and conventional 30-year fixed rate first mortgage. Rates cited are for instructional purposes only; current rates are subject to change at any time without notice. You should not make any decisions based simply on the information provided. Additional required amounts such as taxes, insurance, homeowner association dues, assessments, mortgage insurance premiums, flood insurance or other such required payments should also be considered. Contact your mortgage company for current rates and additional information. Any mortgage broker or insurance agent that may appear is independent and is not affiliated with, endorsed by, or provided by the MLS.

    685 Castlehill Drive Market Data

    Based on the last 30 days in this zip code

    $1,629,794
    Average List Price
    $620
    Average Price per Square Foot
    15
    Properties Sold
    92
    Average Days on Market
    239
    Properties for Sale
    Calculations provided by Reliance Network

    685 Castlehill Drive History

    Date Event Value Agent
    6/25/2026Source: CRMLS Added to Database
    June 25, 2026
    Listing provided courtesy of Real Brokerage TechnologiesEdward Chen- MLS# WS26138487MLS ProviderContact Information: [email protected] - 619-248-6434
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