21045 Stonybrook Dr, Walnut, CA 91789
OFF MARKET

21045 Stonybrook Dr
Walnut, CA 91789

  • 4 Beds
  • 3 Baths
  • 2,549 sqft (on 0.82 acres)

$1,956,400

Trulia Estimate
as of May 22, 2026
Est. Refi. Payment $11,748/mo*
Refinance Your Home

$1,956,400

Trulia Estimate
as of May 22, 2026
Est. Refi. Payment $11,748/mo*
Refinance Your Home
4 Beds
3 Baths
2,549 sqft
(on 0.82 acres)

Local Information

Map showing home location
© Google
-- mins to
Commute Destination

Description

AMAZING SINGLE STORY HOME with a PRIVATE GATED DRIVEWAY. This property FEATURES 35,000 lot sz with PARK LIKE front, back, & side yard IMMACULATELY MAINTAINED & truly a great property for entertaining. In the backyard you will find a LARGE POOL, CHICKEN COOP AND CHILDREN'S SWING SET. A WATER FOUNTAIN for you to enjoy the TRANQUILITY OF YOUR PROPERTY. The property features STAIN GLASS DOUBLE DOORS that lead you into a FRESHLY PAINTED HOUSE with warm natural colors. This OPEN and AIRY property features 4 BEDROOMS and 3 BATHROOMS and 2745 SQFT. The property features HIGH CATHEDRAL CEILINGS, OPEN FLOOR PLAN lead to open LIVING and FORMAL, DINING ROOM with a beautiful IRON CHANDELIER in the ENTRY and the DINING AREA. The open family room with kitchen allow for lots of entertaining. KITCHEN HAS NEW GRANITE AND STONE BACK SPLASH with an incredible VIEW. MASTER BEDROOM is on the north side of the property all on its own. HUGE MASTER SUITE with UPGRADED CLOSET ORGANIZER with HIS AND HER'S WALK IN CLOSET lined with CEDAR ON WALLS. You have to see to appreciate. This is a ONE OF A KIND PROPERTY. Award winning Walnut school districts, Walking distance to Park, Short distance to Mt Sac College and Cal Poly Pomona, Easy access to 57/60/10 freeways.
This property is off market, which means it's not currently listed for sale or rent on Trulia. This may be different from what's available on other websites or public sources.

Home Highlights

Parking
No Info
Outdoor
Pool
A/C
Heating & Cooling
HOA
None
Price/Sqft
No Info
Listed
No Info

Home Details for 21045 Stonybrook Dr

Interior Features

Heating & Cooling
Heating: OtherAir ConditioningCooling System: CentralHeating Fuel: Other

Property Information

Year Built
Year Built: 1988Year Updated: 1988
Property Type / Style
Property Type: Single Family Home

Exterior Features

Pool
Pool

Community

Units in Building: 1

Lot Information

Lot Area: 0.82 acres

Price History for 21045 Stonybrook Dr

DatePriceEventSource
09/29/2015$1,282,000Sold
N/A
07/26/2015$1,388,000Listed For SaleAgent Provided
08/01/2012$3,300ListingRemovedAgent Provided
01/16/2012$3,300Listed For RentAgent Provided
06/30/2006$950,000Sold
N/A
06/13/1997$399,000Sold
N/A
07/31/1995$367,000Sold
N/A
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Property Tax and Assessment

Year2025
Tax$22,430
Assessment$1,217,211
Home facts updated by county records

Comparable Sales for 21045 Stonybrook Dr

Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
970 Estate Ct, Walnut, CA
0.17
Single-Family Home
$1,830,000
05/12/26
4
4
2,789
931 Sky Meadow Pl, Walnut, CA
0.30
Single-Family Home
$1,911,880
04/17/26
5
3
2,755
1168 Regal Canyon Dr, Walnut, CA
0.34
Single-Family Home
$1,620,000
02/05/26
4
3
2,423
20850 E Walnut Canyon Rd, Walnut, CA
0.28
Single-Family Home
$1,480,000
07/16/25
4
3
2,614
20849 Apache Way, Walnut, CA
0.34
Single-Family Home
$1,480,000
07/21/25
4
3
3,235
708 Silver Valley Trl, Walnut, CA
0.47
Single-Family Home
$1,735,000
02/27/26
4
3
2,355
693 Silver Valley Trl, Walnut, CA
0.52
Single-Family Home
$1,505,000
10/10/25
4
3
2,273
746 Arabian Ln, Walnut, CA
0.39
Single-Family Home
$1,735,000
10/07/25
3
3
2,835
805 Silver Valley Trl, Walnut, CA
0.29
Single-Family Home
$1,933,500
04/16/26
5
5
3,736
20857 Fuerte Dr, Walnut, CA
0.64
Single-Family Home
$1,603,500
10/30/25
3
3
2,325

Nearby homes

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Assigned Schools

These are the assigned schools for 21045 Stonybrook Dr.
View nearby schools on GreatSchools
The GreatSchools Rating compares schools on a variety of school quality indicators including test scores, college readiness, equity and more. Learn more.

What Locals Say about Walnut

At least 123 Trulia users voted on each feature.

  • 88 % Say there are sidewalks

  • 88 % Say parking is easy

  • 81 % Say car is needed

  • 80 % Say yards are well-kept

  • 80 % Say it's dog friendly

  • 74 % Say it's quiet

  • 71 % 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

  • 43 % Say it's walkable to restaurants

  • 43 % Say kids play outside

  • 29 % 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

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21045 Stonybrook Dr, Walnut, CA 91789 is a 4 bedroom, 3 bathroom, 2,549 sqft single-family home built in 1988. This property is not currently available for sale. 21045 Stonybrook Dr was last sold on Sep 29, 2015 for $1,282,000. The current Trulia Estimate for 21045 Stonybrook Dr is $1,956,400.