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21055 Stonybrook Dr
For Sale $2,200,000 ($684.08 per Sq Ft)
$2,200,000 ($684.08 per Sq Ft)
- 5 Bedrooms
- 3 Bathrooms
- 3,216 Sq Ft
- 46,552 Sq Ft
Description
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!
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Amenities
Garage
Pool
Garden
Security System
Internet
Telephone
Heating
Fireplace
Balcony & Patio
TV / Cable
Laundry
Hardwood Floors
Spa
Air Conditioning
Solar Power
Floor Plan
Great Views
Natural Light
Quiet
Water View
Elevator
Guest Unit(s)
Furnished
220 Volt
Upcoming Open House
Sunday June 21st, 2026
from 2:00 pm - 5:00 pm
Property Details
| List Price | $2,200,000 |
| Property Type | Single Family Homes |
| Usable Sqft | 3,216 |
| Number of Stories | 2 stories |
| Parking Spots | 3 spots |
| Year Built | 1988 |
| Last Sold | Unknown |
| Sold Price | Unknown |
| HOA Fees: | $0 |
| Association Name: | Unknown |
| Association Amenities: | Unknown |
| APN # | 8709061032 |
| MLS # | CV26120174 |
| Property ID | 291602193 |
| Lot Sqft | 46,552 |
| Zoning | Unknown |
| Total Units | 1 |
| Days on Market | 19 |
| Original List Price | $2,200,000 |
| Applicances | Dishwasher,Gas Range,Dryer,Washer% |
| Date Updated | June 16, 2026 |
| Date Created | June 01, 2026 |
Listing Provided By
Guo Hui He an agent of . Lic #01931347
© 2026 CRMLS. All rights reserved. Some listings on this website are from CRMLS as of June 16, 2026 The 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.
Robert Crawford
REAL ESTATE AGENT