$2,200,000
21055 Stonybrook Drive, Walnut CA 91789
House
Property type
3 days
On market
$684
Price per sqft
2 cars
Garage
1988
Year built
46,552 sqft
Lot size
Home highlights
Open Houses
Overview
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 4 spacious bedrooms, 3 bathrooms, and an enormous bonus playroom perfect for a...
Listing provided by: Guo Hui He DRE #01931347, REALTY ONE GROUP WEST
Listing updated: Jun 3, 2026 at 12:16am.
Last checked: Jun 4, 2026 at 03:31am
Source: CRMLS #CV26120174
Interior
Interior Features: Ceiling Fans
Room Type: Bonus Room, Entry Foyer, Family Room, Kitchen, Laundry, Living Room
Flooring: Carpet, Laminate
Cooling: Central Air
Heating: Central
Appliances: Dishwasher, Gas Range, Dryer, Washer
Fireplace: Dining Room
Laundry: Dryer Included, Washer Included
Entry Location: Main Entry
Main Level Bedrooms: 1
Main Level Bathrooms: 1
Exterior
Property Attached: No
Stories Total: 2
Levels: Two
Door Features: Double Door Entry
Common Walls: No Common Walls
Security Features: Security Gate
Lot Features: Zero To One Unit Acre
Pool: In Ground, Private
Spa: Private
Fencing: Fair Condition
Water Source: Public
Sewer: Public Sewer
Electric: Electricity On Property
Utilities: Electricity Connected, Natural Gas Connected, Sewer Connected, Water Connected
View: Back Bay
Patio and Porch Features: None
Road Frontage Type: City Street
Road Surface Type: Paved
Garage and Parking
Parking: Driveway, Garage Faces Front
Garage Spaces: 2
Garage: Attached
Parking Total: 2
Lot Information
Land Lease: No
Common Interest: None
Parcel #: 8709061032
Additional Parcels: No
Tax Lot: 32
Community
HOA: No
HOA Fee: $0
Senior Community: No
Community Features: Curbs
High School District: Walnut Valley Unified
Nearby Schools
Nearby schools around the 21055 Stonybrook Drive, Walnut, CA 91789. Contact the school or district directly to verify enrollment eligibility.
Payment Calculator
Total Principal
$1,760,000
Total Interest
$2,244,783
Total Payment
$4,004,783
Payoff Date
Jun 2056
PMI is disabled automatically when your down payment is 20% or more.
Est. Payment
$13,566
per month
Property History for 21055 Stonybrook Drive
Walnut Market Snapshot
Market stats compare this property with recent MLS activity for similar property types in 91789.
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