21055 Stonybrook Drive, Walnut, CA 91789 | MLS #CV26120174 | Willis Allen Real Estate
 
  • 27 days on site
  • 3 views

Welcome to 21055 Stonybrook Rd, Walnut, CA 91789 — a rare private estate located in one of Walnut’s most desirable neighborhoods and served by the highly acclaimed Westhoff Elementary School in the award-winning Walnut Valley Unified School District. This beautifully upgraded home features 5 spacious bedrooms, 3 bathrooms, one enormous bedroom can be either bedroom or playroom perfect for a game room, home theater, gym, or children’s entertainment space. Thoughtfully updated throughout, the home offers both comfort and functionality with an ideal layout for modern living and entertaining. Situated behind gates for added privacy and security, the property welcomes you with a long private driveway leading to the home, creating a peaceful estate-like setting. Nestled on an expansive 1.07-acre lot, this exceptional property offers incredible space and future potential, including room for an ADU or guest house. The resort-style backyard is truly an entertainer’s dream, featuring a large sparkling pool and spa surrounded by mature landscaping and open space. Whether hosting gatherings, relaxing with family, or enjoying the serene setting, this backyard offers endless possibilities for indoor-outdoor California living. Rarely does a property combine privacy, acreage, luxury amenities, top-rated schools, and future expansion potential all in one exceptional offering. Conveniently located near parks, shopping, dining, and easy freeway access, this Walnut gem truly has it all. Don’t miss this extraordinary opportunity to own a private estate in the heart of Walnut!

Source: CRMLS, MLS#: CV26120174

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  • Property Type
    Residential
  • Lot
    1.07 acres

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  • Median Age
    45
  • Population Density
    2,776
  • College Educated
    61%
  • Estimated Median Income
    $105,848
  • Estimated Total Home Owners
    10,907
  • Estimated Total Renters
    2,398
  • Owner / Renter Divide
    82% / 18%
  • Estimated Average Household Size
    3
  • Total Population
    43,531
  • Community data courtesy of LiveBy, Inc.

Owning this Home

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$ %
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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.

Life at 21055 Stonybrook Drive


Schools


School data courtesy of LiveBy, Inc.
Ratings are based on a scale of 1-5, with 5 being the highest rating and 1 being the lowest rating. The schools displayed on this website are for informational purposes only and may not represent a complete or up-to-date list. School assignments are subject to change and should be verified directly with the local school district. Please contact the appropriate school district to confirm school zoning and enrollment eligibility for this property.

History

Date Event Value Agent
6/6/2026Source: CRMLS Status Change
Active
6/2/2026Source: CRMLS Added to Database
June 02, 2026
12/20/2022Source: CRMLS Status Change
Closed
10/26/2022Source: CRMLS Added to Database
October 26, 2022
10/18/2022Source: CRMLS Added to Database
October 18, 2022
10/7/2022Source: CRMLS Added to Database
October 07, 2022
9/24/2022Source: CRMLS Added to Database
September 24, 2022
9/8/2022Source: CRMLS Added to Database
September 08, 2022
Listing provided courtesy of REALTY ONE GROUP WESTGuo Hui He- MLS# CV26120174MLS ProviderContact Information: [email protected] - 949-297-2020