21008 Cornerstone Dr, Walnut, CA 91789
OFF MARKET

21008 Cornerstone Dr
Walnut, CA 91789

  • 4 Beds
  • 4 Baths
  • 1,750 sqft (on 0.40 acres)

$952,900

Trulia Estimate
as of May 10, 2026
Est. Refi. Payment $5,592/mo*
Refinance Your Home

$952,900

Trulia Estimate
as of May 10, 2026
Est. Refi. Payment $5,592/mo*
Refinance Your Home
4 Beds
4 Baths
1,750 sqft
(on 0.40 acres)

Homes for sale near 21008 Cornerstone Dr

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Apartments for Rent

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Local Information

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

Description

Super Sharp 4 Bedroom, 3.5 Bath Townhome in WALNUT SCHOOL DISTRICT * Located in Cornerstone Community * Tri-level: Entry level has one bedroom, one bath and direct garage access * Second level: Great room with balcony, open to kitchen with center island, flat panel cabinets, subway tiled backsplash, lots of cabinet space, under cabinet lighting, farmhouse style sink, and stainless steel appliances, there is also a 1.2 bath on this level * Upper level: Master suite with 2 additional bedrooms * NEW carpeting * Central Air and Heat * Tankless Water Heater * All tenants must carry renters insurance to the totality of their lease * No pets and no smoking * Tenant pays all utilities except HOA dues. HOA covered by owner.

Tenant covers all Utilities. A $4000 Security Deposit and $35 per Adult Processing Fee apply Cashier's Check or Money Order only. One application per person living in house 18 and over. We require all original applications be delivered to our offices by prospective tenant. All tenants must carry renters insurance for the totality of their lease.

Be Aware of FRAUD

The LaBrada Group, Inc. is the rightful property management company for this property despite what you may read on miscellaneous websites.

 We DO NOT advertise on Craigslist.

 Question Everything!

 If it seems to cheap, its FRAUD

 DO NOT send any money by Venmo, Zelle, Moneygram or any other app!

 Questions? Call (Disclaimer: Information contained herein deemed accurate but not guaranteed

Be Aware of FRAUD

The LaBrada Group, Inc. is the rightful property management company for this property despite what you may read on miscellaneous websites.

 We DO NOT advertise on Craigslist.

 Question Everything!

 If it seems to cheap, its FRAUD

 DO NOT send any money by Venmo, Zelle, Moneygram or any other app!

 Questions?
Disclaimer: Information contained herein deemed accurate but not guaranteed
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
Garage
Outdoor
No Info
A/C
Heating & Cooling
HOA
None
Price/Sqft
No Info
Listed
No Info

Home Details for 21008 Cornerstone Dr

Interior Features

Heating & Cooling
Heating: Forced AirAir ConditioningCooling System: OtherHeating Fuel: Forced Air
Interior Details
Types of Rooms: Walk In Closet, Dining Room
Appliances & Utilities
DryerWasher
Levels, Entrance, & Accessibility
Floors: Carpet, Hardwood

Property Information

Year Built
Year Built: 2018
Property Type / Style
Property Type: Apartment

Exterior Features

Parking & Garage
GarageParking Space: 1Parking: Garage Detached

Community

Units in Building: 1

Lot Information

Lot Area: 0.40 acres

Price History for 21008 Cornerstone Dr

DatePriceEventSource
03/10/2022ListingRemovedZillow Rental Manager
03/04/2022$3,300PriceChange
Zillow Rental Manager
02/22/2022$3,500PriceChange
Zillow Rental Manager
02/14/2022$3,600PriceChange
Zillow Rental Manager
02/02/2022$3,700Listed For RentZillow Rental Manager
11/12/2019$3,000ListingRemovedAgent Provided
10/01/2019$3,000Listed For RentAgent Provided
09/25/2017$703,500Sold
N/A
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Property Tax and Assessment

Year2025
Tax$9,976
Assessment$800,459
Home facts updated by county records

Comparable Sales for 21008 Cornerstone Dr

Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
23617 Golden Springs Dr #K-1, Diamond Bar, CA
2.38
Apartment
$310,000
10/22/25
1
1
768
2726 Calle Ruiz, West Covina, CA
2.80
Apartment
$615,000
04/09/26
3
2
1,502
23665 Golden Springs Dr #E-2, Diamond Bar, CA
2.38
Apartment
$320,000
08/29/25
2
2
949
23647 Golden Springs Dr #G-10, Diamond Bar, CA
2.38
Apartment
$310,000
07/10/25
2
1
807
2145 E Aroma Dr #88, West Covina, CA
3.76
Apartment
$400,000
02/05/26
2
1
968
524 S Astell Ave, West Covina, CA
5.22
Apartment
$1,260,000
12/05/25
3
2
1,202
1030 Kent Dr, San Dimas, CA
5.81
Apartment
$255,000
12/10/25
3
2
1,140
858 Reposado Dr, La Habra Heights, CA
6.73
-
-
-
-
Home facts updated by county records

Assigned Schools

These are the assigned schools for 21008 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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Homes for rent near 21008 Cornerstone Dr

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Off Market Homes Near 21008 Cornerstone Dr

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Explore by feature

21008 Cornerstone Dr, Walnut, CA 91789 is a 4 bedroom, 4 bathroom, 1,750 sqft apartment built in 2018. This property is not currently available for sale. 21008 Cornerstone Dr was last sold on Sep 25, 2017 for $703,500. The current Trulia Estimate for 21008 Cornerstone Dr is $952,900.