Skip main navigation
Sold for $1,900,000
  • Listed by: REALTY ONE GROUP WEST • Guo Hui He • Contact: 626-589-7924
    Bought with: NONMEMBER MRML
    $1,900,000

    21055 Stonybrook Dr, Walnut, CA 91789

    5beds
    3,216sqft
    Single Family Residence
    Built in 1988
    1.07 Acres Lot
    $1,882,700 Zestimate®
    $591/sqft
    $6,685 Estimated rent

    Home value

    $1,882,700

    $1.71M - $2.07M

    $6,685/mo

    Zestimate® history
    Loading
    Loading...

    Owner options

    List your home for rent

    $6,685/mo

    Rent Zestimate®

    Find your next renter with Zillow Rental Manager. Plus, with online applications, you can quickly screen prospective tenants – for free.

    Learn more

    $6,685/mo

    Rent Zestimate®

    Refinance and save

    $12,602/mo

    Est. payment

    Refinancing to a lower rate could help reduce your monthly payments and save thousands over the life of the loan.

    See today's rates

    $12,602/mo

    Est. payment

    Explore your selling options

    Work with a Zillow partner agent

    Leverage their expertise and Zillow's premium Showcase listings to get your home seen by more buyers.

    Get started

    List with your own agent

    Get your home in front of millions of buyers by listing it on Zillow.

    Learn how to do it

    Sell it yourself

    Take full control of how buyers see your home on Zillow by listing For Sale by Owner (FSBO).

    List your home

    What's special

    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.

    Zillow last checked:

    Listing updated:

    Listed by:

    Guo Hui He DRE #01931347 626-589-7924,

    REALTY ONE GROUP WEST

    Bought with:

    Willam Huynh, DRE #01796273

    NONMEMBER MRML

    Source: CRMLS,MLS#: CV26120174MLS LogoOriginating MLS: California Regional MLS

    Facts & features

    Interior

    Bedrooms & bathrooms
    • Bedrooms: 5
    • Bathrooms: 3
    • Full bathrooms: 3
    • Main level bathrooms: 1
    • Main level bedrooms: 1
    Rooms
    • Room types: Bonus Room, Entry/Foyer, Family Room, Kitchen, Laundry, Living Room
    Bathroom
    • Features: Bathtub, Separate Shower
    Kitchen
    • Features: Kitchen/Family Room Combo, Tile Counters
    Heating
    • Central
    Cooling
    • Central Air
    Appliances
    • Included: Dishwasher, Gas Range, Dryer, Washer
    Features
    • Ceiling Fan(s)
    • Flooring: Carpet, Laminate
    • Doors: Double Door Entry
    • Has fireplace: Yes
    • Fireplace features: Dining Room
    • Common walls with other units/homes: No Common Walls
    Interior area
    • Total interior livable area: 3,216 sqft

    Property

    Parking
    • Total spaces: 3
    • Parking features: Driveway, Garage Faces Front
    • Attached garage spaces: 3
    Features
    • Levels: Two
    • Stories: 2
    • Entry location: main entry
    • Patio & porch: None
    • Has private pool: Yes
    • Pool features: In Ground, Private
    • Has spa: Yes
    • Spa features: Private
    • Fencing: Fair Condition
    • Has view: Yes
    • View description: Back Bay
    • Has water view: Yes
    • Water view: Back Bay
    Lot
    • Size: 1.07 Acres
    • Features: 0-1 Unit/Acre
    Details
    • Parcel number: 8709061032
    • Special conditions: Standard

    Construction

    Type & style
    • Home type: SingleFamily
    • Property subtype: Single Family Residence
    Condition
    • New construction: No
    • Year built: 1988

    Utilities & green energy

    • Electric: Electricity - On Property
    • Sewer: Public Sewer
    • Water: Public
    • Utilities for property: Electricity Connected, Natural Gas Connected, Sewer Connected, Water Connected

    Community & HOA

    Community
    • Features: Curbs
    • Security: Security Gate
    Location
    • Region: Walnut

    Financial & listing details

    • Price per square foot: $591/sqft
    • Tax assessed value: $1,922,181
    • Date on market: 6/6/2026
    • Cumulative days on market: 55 days
    • Listing terms: Cash to Existing Loan
    • Road surface type: Paved

    Price history

    DateEventPrice
    8/28/2026Sold$1,900,000-7.7%$591/sqft
    Source: CRMLS #CV26120174 Report a problem
    8/5/2026Pending sale$2,058,000$640/sqft
    Source: CRMLS #CV26120174 Report a problem
    8/3/2026Price change$2,058,000-4.2%$640/sqft
    Source: CRMLS #CV26120174 Report a problem
    7/5/2026Price change$2,149,000-2.3%$668/sqft
    Source: CRMLS #CV26120174 Report a problem
    6/14/2026Listed for sale$2,200,000+40.3%$684/sqft
    Source: CRMLS #CV26120174 Report a problem
    9/21/2022Listing removed--
    Source: Zillow Rental Manager Report a problem
    9/14/2022Listed for rent$4,300+2.4%$1/sqft
    Source: Zillow Rental Manager Report a problem
    6/24/2020Listing removed$4,200$1/sqft
    Source: Century Commercial Property Management Report a problem
    6/8/2020Listed for rent$4,200-6.7%$1/sqft
    Source: Century 21 Care #TR20109507 Report a problem
    8/29/2019Listing removed$4,500$1/sqft
    Source: Century 21 CARE Report a problem
    8/12/2019Listed for rent$4,500+7.1%$1/sqft
    Source: Century 21 CARE Report a problem
    8/23/2018Listing removed$4,200$1/sqft
    Source: CENTURY 21 CARE #TR18171593 Report a problem
    7/18/2018Listed for rent$4,200$1/sqft
    Source: CENTURY 21 CARE #TR18171593 Report a problem
    10/7/2014Sold$1,568,000+0.6%$488/sqft
    Source: Public Record Report a problem
    8/22/2014Pending sale$1,558,000$484/sqft
    Source: C-21 E-N Achievers Realty #TR14163357 Report a problem
    8/4/2014Listed for sale$1,558,000$484/sqft
    Source: C-21 E-N Achievers Realty #TR14163357 Report a problem

    Public tax history

    YearProperty taxesTax assessment
    2026-- $1,922,181 +2%
    2025$23,460 +4.6%$1,884,492 +2%
    2024$22,434 +2.5%$1,847,542 +2%
    2023$21,891 +2.1%$1,811,316 +2%
    2022$21,448 +1.8%$1,775,801 +2%
    2021$21,066 +1.3%$1,740,983 +1%
    2020$20,800 $1,723,132 +2%
    2019$20,800 +5.7%$1,689,346 +2%
    2018$19,679 $1,656,223 +2%
    2017$19,679 +4.8%$1,623,749 +2%
    2016$18,776 +2.9%$1,591,912 +1.5%
    2015$18,252 +138.1%$1,568,000 +160%
    2014$7,665 $602,980 +2.5%
    2012-- $588,487 +2%
    2011-- $576,949 +0.8%
    2010-- $572,638 -0.2%
    2009-- $574,000 +2%
    2008-- $562,746 +2%
    2007-- $551,713 +2%
    2006-- $540,896
    2005-- $540,896 +4%
    2004-- $519,894 +1.9%
    2003-- $510,366 +2%
    2002-- $500,360 +13.7%
    2000-- $440,000
    Find assessor info on the county website

    Neighborhood: 91789

    Nearby schools

    GreatSchools rating
    Get a cash offer in 3 minutes
    Find out how much your home could sell for in as little as 3 minutes with a no-obligation cash offer.
    Estimated market value

    $1,882,700

    Get a cash offer in 3 minutes
    Find out how much your home could sell for in as little as 3 minutes with a no-obligation cash offer.
    Estimated market value

    $1,882,700