21006 Cornerstone Dr, Walnut, CA 91789
OFF MARKET

21006 Cornerstone Dr
Walnut, CA 91789

  • 3 Beds
  • 4 Baths
  • 1,760 sqft (on 0.40 acres)

$1,098,700

Trulia Estimate
as of May 16, 2026
Est. Refi. Payment $6,527/mo*
Refinance Your Home

$1,098,700

Trulia Estimate
as of May 16, 2026
Est. Refi. Payment $6,527/mo*
Refinance Your Home
3 Beds
4 Baths
1,760 sqft
(on 0.40 acres)

Local Information

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

Description

Luxurious Condominium by Shea Homes in Award Winning Walnut Unified School District that offers Dual Immersion program. This 3 bedrooms, 3.5 baths, modern condo has state of the art upgrades throughout. Bedroom in first floor, and dual master suites on the top floor. Open floor-plan with spacious living room, formal dining, and balcony. Open kitchen with large quartz & granite counter top cooking Island, and lots of cabinets for storage. Appliances purchased in 2017, owner will not maintain or repair any appliances. Unique wood & tile floors, high quality carpet, recessed lighting, Central AC / Heating Systems, attached 2-car garage. Located within walking distance to Walnut High School, and close by Suzanne Middle School. Close and convenient to shopping center and parks. Commuter friendly with quick access to 60 & 57 fwys. No pets allowed, except ADA defined service animal.

Due to State mandated "shelter in place", property will not be available for in-person showings.
Please see property via video tour and apply directly on our website if you are interested.

Community Bbq
Community Park
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
No Info
A/C
Heating & Cooling
HOA
None
Price/Sqft
No Info
Listed
No Info

Home Details for 21006 Cornerstone Dr

Interior Features

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

Property Information

Year Built
Year Built: 2018
Property Type / Style
Property Type: Single Family Home

Community

Units in Building: 1

Lot Information

Lot Area: 0.40 acres

Price History for 21006 Cornerstone Dr

DatePriceEventSource
07/01/2020$2,950ListingRemovedAgent Provided
05/28/2020$2,950Listed For RentAgent Provided
10/11/2017$669,000Sold
N/A
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Property Tax and Assessment

Year2025
Tax$9,585
Assessment$766,893
Home facts updated by county records

Comparable Sales for 21006 Cornerstone Dr

Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
21020 Bryan Cir, Walnut, CA
0.21
Single-Family Home
$1,250,000
09/02/25
3
2.5
1,811
21212 Valleyview Dr, Walnut, CA
0.39
Single-Family Home
$1,328,000
08/13/25
3
2.5
1,811
150 Greenleaf Dr, Walnut, CA
0.07
Single-Family Home
$1,300,000
08/23/25
5
4
2,364
329 Pierre Rd, Walnut, CA
0.27
Single-Family Home
$1,100,000
05/21/25
4
2
2,189
421 Wrangler Way, Walnut, CA
0.41
Single-Family Home
$970,000
12/04/25
4
2
1,616
244 Maryville Dr, Walnut, CA
0.55
Single-Family Home
$1,100,000
02/10/26
3
2
1,384
20607 Fuerte Dr, Walnut, CA
0.79
Single-Family Home
$1,000,000
12/12/25
3
2
1,790
350 Foxboro Dr, Walnut, CA
0.74
Single-Family Home
$1,250,000
03/25/26
3
2.5
1,731
602 Lone Eagle Rd, Walnut, CA
0.70
Single-Family Home
$1,200,000
04/21/26
4
2
1,786
20410 Julliard Dr, Walnut, CA
0.64
Single-Family Home
$1,272,000
10/10/25
4
3
1,992

Assigned Schools

These are the assigned schools for 21006 Cornerstone 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

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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Apartments for Rent

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Homes for sale near 21006 Cornerstone Dr

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Homes for rent near 21006 Cornerstone Dr

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Off Market Homes Near 21006 Cornerstone Dr

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Explore by feature

21006 Cornerstone Dr, Walnut, CA 91789 is a 3 bedroom, 4 bathroom, 1,760 sqft single-family home built in 2018. This property is not currently available for sale. 21006 Cornerstone Dr was last sold on Oct 11, 2017 for $669,000. The current Trulia Estimate for 21006 Cornerstone Dr is $1,098,700.