21055 Stonybrook Dr, Walnut, CA 91789
SOLD
AUG 28, 2026
Listed by Guo Hui He, REALTY ONE GROUP WEST, (949) 297-2020 . Bought with NONMEMBER MRML

$1,994,700

Trulia Estimate
  • 5 Beds
  • 3 Baths
  • 3,216 sqft (on 1.07 acres)

21055 Stonybrook Dr, Walnut, CA 91789

Est. Refi. Payment $12,059/mo*
Refinance Your Home
Currently Off Market - Sold Aug 28, 2026 for $1,900,000 (8% below list price)

Home Value

Trulia Estimate
$2M
Since last month
Decreased$83K (-4%)
Since last year
Decreased$247K (-11%)
Since last sale
Increased$95K (+5%)
Learn more about this home's value by checking out its Trulia Estimate, the value of nearby homes, and how much similar homes have sold for.

Trulia Estimate

The of this home's value increased by +12% in the last 10 years
MonthEstimated value
2026
August 2026$2M
July 2026$2.08M
June 2026$2.17M
May 2026$2.31M
April 2026$2.31M
March 2026$2.28M
February 2026$2.26M
January 2026$2.17M
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016

Comparable sales

These are recently sold homes that have a similar location or other similar features to this home, like bedrooms, bathrooms, and square footage. Get a sense of the expected prices in the area by viewing these homes.
Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
970 Estate Ct, Walnut, CA
0.15
Single-Family Home
$1,830,000
05/12/26
4
4
2,789
931 Sky Meadow Pl, Walnut, CA
0.32
Single-Family Home
$1,911,880
04/17/26
5
3
2,755
805 Silver Valley Trl, Walnut, CA
0.30
Single-Family Home
$1,933,500
04/16/26
5
5
3,736
1168 Regal Canyon Dr, Walnut, CA
0.34
Single-Family Home
$1,620,000
02/05/26
4
3
2,423
21630 Acanthus Cir, Walnut, CA
0.41
Single-Family Home
$1,920,000
01/02/26
5
3.5
3,195
708 Silver Valley Trl, Walnut, CA
0.48
Single-Family Home
$1,735,000
02/27/26
4
3
2,355
746 Arabian Ln, Walnut, CA
0.39
Single-Family Home
$1,735,000
10/07/25
3
3
2,835
683 Silver Valley Trl, Walnut, CA
0.54
Single-Family Home
$1,638,000
06/12/26
4
3
2,273
693 Silver Valley Trl, Walnut, CA
0.53
Single-Family Home
$1,505,000
10/10/25
4
3
2,273

Nearby home prices

Get a sense of expected prices in the area by checking the value of nearby homes.
Address
Distance
Price
Bed
Bath
Sqft
Status
919 Foxglove Ct, Walnut, CA 91789
0.11
$1,267,600
3
4
2,789
Off Market
970 Estate Ct, Walnut, CA 91789
0.15
$1,830,000
4
4
2,789
Recently Sold
21118 Woodland Ct, Walnut, CA 91789
0.21
$1,601,000
4
3.5
3,196
Off Market
21603 E Sleepy Hollow Ct, Walnut, CA 91789
0.33
$1,259,600
3
3
1,933
Off Market
20855 E Yellow Feather Cir, Walnut, CA 91789
0.28
$1,614,900
5
3
2,755
Off Market
805 Silver Valley Trl, Walnut, CA 91789
0.30
$1,933,500
5
5
3,736
Recently Sold
21627 E Laurel Ct, Walnut, CA 91789
0.35
$1,358,600
4
3
1,940
Off Market
20850 E Walnut Canyon Rd, Walnut, CA 91789
0.30
$1,473,000
4
3
2,614
Off Market
931 Sky Meadow Pl, Walnut, CA 91789
0.32
$1,911,880
5
3
2,755
Recently Sold
20901 E Walnut Canyon Rd, Walnut, CA 91789
0.32
$1,540,500
4
3
2,453
Off Market
20868 E Walnut Canyon Rd, Walnut, CA 91789
0.32
$1,274,800
4
2
2,053
Off Market

Local Information

  • Map ViewExplore the area around 21055 Stonybrook Dr.
  • Schools1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Property Type
Single-Family Home
Year Built
1988
Lot Size
1.07 acres
Living Area
3,216 sqft
Price/Sqft
$591/sqft
Parking
3 Car Garage
HOA
None

About this House

Experience the privacy and tranquility of this exceptional gated estate nestled in the prestigious Snow Creek community of Walnut, served by the award-winning Walnut Valley Unified School District and highly acclaimed Westhoff Elementary School.

Thoughtfully updated throughout, this beautifully maintained residence features 5 spacious bedrooms, 3 bathrooms, and a versatile oversized bonus room that can easily serve as a fifth bedroom, media room, game room, home gym, or children's playroom. The beautifully remodeled kitchen and bathrooms provide true move-in-ready comfort while offering an ideal floor plan for both everyday living and entertaining.

Tucked behind gates and accessed by a long private driveway, this home offers an extraordinary sense of privacy rarely found in Walnut. Set on an approximately 1.07-acre private hillside estate lot, the property is surrounded by mature trees, natural open space, and a peaceful setting that creates the feeling of your own private retreat.

The resort-inspired backyard is designed for California indoor-outdoor living, featuring a sparkling pool and spa framed by mature landscaping and a serene hillside backdrop. Whether entertaining guests, spending time with family, or simply enjoying the quiet surroundings, this outdoor space offers a relaxing lifestyle with exceptional privacy.

Located in one of Walnut's most sought-after neighborhoods, this home is just minutes from parks, shopping, dining, and convenient freeway access while offering the rare combination of privacy, beautifully updated interiors, resort-style amenities, and top-rated schools.

Enjoy the rare luxury of exceptional privacy without sacrificing convenience, just minutes from top-rated schools, shopping, and dining.

A truly exceptional opportunity to own a private estate in one of Walnut's most desirable communities.
21055 Stonybrook Dr, Walnut, CA 91789 is a 5 bedroom, 3 bathroom, 3,216 sqft single-family home built in 1988. It last sold for $1,900,000 on Aug 28, 2026 (8% below the $2,058,000 asking price). More recently, it was listed as a rental in September 2022 with an asking price of $4,300 per month. That rental listing was removed on September 21, 2022. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $1,994,700, with a rent estimate of $5,990/month.

Home Details for 21055 Stonybrook Dr

Interior Features

Interior Details
Number of Rooms: 8Types of Rooms: Bathroom, Bonus Room, Entry Foyer, Family Room, Kitchen, Laundry, Living Room
Beds & Baths
Number of Bedrooms: 5Main Level Bedrooms: 1Number of Bathrooms: 3Number of Bathrooms (full): 3Number of Bathrooms (main level): 1
Dimensions and Layout
Living Area: 3216 Square Feet
Appliances & Utilities
Utilities: Electricity Connected, Natural Gas Connected, Sewer Connected, Water ConnectedAppliances: Dishwasher, Gas Range, Dryer, WasherDishwasherDryerWasher
Heating & Cooling
Heating: CentralHas CoolingAir Conditioning: Central AirHas HeatingHeating Fuel: Central
Fireplace & Spa
Fireplace: Dining RoomSpa: PrivateHas a FireplaceHas a Spa
Gas & Electric
Electric: Electricity - On Property
Windows, Doors, Floors & Walls
Door: Double Door EntryFlooring: Carpet, LaminateCommon Walls: No Common Walls
Levels, Entrance, & Accessibility
Stories: 2Number of Stories: 2Levels: TwoEntry Location: main entryFloors: Carpet, Laminate
View
Has a ViewView: Back Bay
Security
Security: Security Gate

Exterior Features

Exterior Home Features
Patio / Porch: NoneFencing: Fair ConditionHas a Private Pool
Parking & Garage
Number of Garage Spaces: 3Number of Covered Spaces: 3Has a GarageHas an Attached GarageParking Spaces: 3Parking: Driveway,Garage Faces Front
Pool
Pool: In Ground, PrivatePool
Frontage
Road Frontage: City StreetRoad Surface Type: PavedNot on Waterfront
Water & Sewer
Sewer: Public Sewer
Surface & Elevation
Elevation Units: Feet

Days on Market

Cumulative Days on Market: 55

Property Information

Year Built
Year Built: 1988
Property Type / Style
Property Type: ResidentialProperty Subtype: Single Family ResidenceStructure Type: HouseArchitecture: House
Building
Not a New ConstructionNot Attached PropertyNo Additional Parcels
Property Information
Parcel Number: 8709061032

Price & Status

Price
List Price: $2,058,000Price Per Sqft: $591/sqft
Status Change & Dates
Off Market Date: Tue Aug 04 2026

Active Status

MLS Status: Closed

Location

Direction & Address
City: Walnut
School Information
High School District: Walnut Valley Unified

Community

Community Features: CurbsNot Senior Community

HOA

Association for this Listing: California Regional MLS

Lot Information

Lot Area: 1.0687 Acres

Listing Info

Special Conditions: Standard

Offer

Listing Terms: Cash to Existing Loan

Miscellaneous

Mls Number: CV26120174Living Area Range Units: Square FeetWater ViewWater View: Back BayAttribution Contact: 626-589-7924Activation Date: Sat Jun 06 2026Back On Market Date: Sat Jun 13 2026Common Interest: NoneStart Showing Date: Sat Jun 06 2026Universal Property Id: US-06037-N-8709061032-R-N

Additional Information

CurbsSource Internet Entire Listing Display

Price and Tax history

DateEventPrice
Aug 28, 2026
Source: CRMLS #CV26120174
Sold
$1,900,000
Aug 5, 2026
Source: CRMLS #CV26120174
Pending
$2,058,000
Aug 3, 2026
Source: CRMLS #CV26120174
PriceChange
$2,058,000
Price decreased by 4%
Jul 5, 2026
Source: CRMLS #CV26120174
PriceChange
$2,149,000
Price decreased by 2%
Jun 14, 2026
Source: CRMLS #CV26120174
Listed For Sale
$2,200,000

Market trends in Walnut

Last updated July 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
—
Sale-to-List Price
—
Price per sq ft
—
Available listings
79
4MoM

Around this home

What Locals Say about Walnut

At least 124 Trulia users voted on each feature.

  • 88 % Say there are sidewalks

  • 88 % Say parking is easy

  • 81 % Say car is needed

  • 81 % Say yards are well-kept

  • 80 % Say it's dog friendly

  • 75 % Say it's quiet

  • 72 % Say streets are well-lit

  • 68 % Say people would walk alone at night

  • 63 % Say it's walkable to grocery stores

  • 63 % Say there's holiday spirit

  • 62 % Say there's wildlife

  • 62 % Say they plan to stay for at least 5 years

  • 47 % Say neighbors are friendly

  • 44 % Say it's walkable to restaurants

  • 44 % Say kids play outside

  • 30 % Say there are community events

Sourced by Trulia users. Learn more about our methodology.
  • Nicholas R.
    "Very quiet neighborhood, not too much traffic, friendly neighbors. very nice and clean parks, that are close by. "
    4
    Flag
  • Angie.duran323
    "There’re lots of trails and long sidewalks in neighborhoods you can walk your dogs along. Sometimes all the dogs start barking at random times of day which is the only annoyance but other than that it’s great!"
    3
    Flag
  • T
    "City Walnut is known to have one the the best hiking trail in Southern California for adults, kids and pets"
    5
    Flag
  • Ronald G.
    "Public transportation is not very good. Especially for seniors living in the city. Stores are not really in walking distance and if you carry items, you will need to stop several times before getting home."
    1
    Flag
  • Ronald G.
    "The neighborhood is nice and people a generally nice. Easy to get around to stores and small shopping in the areas. If you want real shopping you have to leave the city."
    3
    Flag
  • sme2101
    "There are many families in our neighborhood, we have great parks, everyone is friendly and it’s a safe town"
    1
    Flag
  • Leslie a.
    "I lived here for about 6 years and I really enjoy the nature feel, the birds singing and the trails to walk on."
    2
    Flag
  • Fermin L.
    "I have lived here for the past 7 years and is a safe quiet neighborhood, great parks and city wide activities for children and adults, lots of trails to walk."
    1
    Flag
  • Needeposit
    "Living in the area for the last 20 years and in the same home for 12 years. Very safe area and one of the best school systems."
    1
    Flag
  • Ray
    "Great walking trails, very good schools and parks."
    1
    Flag

LGBTQ Local Legal Protections

The multiple listing data appearing on this website, or contained in reports produced therefrom, is owned and copyrighted by California Regional Multiple Listing Service, Inc. ("CRMLS") and is protected by all applicable copyright laws. Information provided is for viewer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties the viewer may be interested in purchasing. All listing data, including but not limited to square footage and lot size is believed to be accurate, but the listing Agent, listing Broker and CRMLS and its affiliates do not warrant or guarantee such accuracy. The viewer should independently verify the listed data prior to making any decisions based on such information by personal inspection and/or contacting a real estate professional.
Based on information from California Regional Multiple Listing Service, Inc. as of 2026-08-28 16:11:33 PDT and /or other sources. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information

Frequently asked questions about 21055 Stonybrook Dr

  • What is 21055 Stonybrook Dr estimated to be worth?
    Trulia's estimated value for 21055 Stonybrook Dr in Walnut, CA is $1,994,700.
  • What is the price history for 21055 Stonybrook Dr?
    21055 Stonybrook Dr in Walnut, CA last sold for $1,900,000 in August 2026.
  • Is Walnut a buyer's or seller's market?
    Walnut is currently a seller's market, based on recent for-sale activity.
  • What do residents say about Walnut?
    Residents describe Walnut, CA as pedestrian-friendly, easy to park in, and well-kept. See recently sold homes in Walnut, CA.
  • Does 21055 Stonybrook Dr have air conditioning?
    Yes, 21055 Stonybrook Dr in Walnut, CA has air conditioning.
  • Does 21055 Stonybrook Dr have a pool?
    Yes, 21055 Stonybrook Dr in Walnut, CA has a pool.

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