21008 Cornerstone Dr, Walnut, CA 91789
Property image
Property image
OFF MARKET

$883,900

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

21008 Cornerstone Dr, Walnut, CA 91789

Est. Refi. Payment $5,787/mo*
Refinance Your Home
Currently Off Market - Sold Sep 25, 2017 for $703,500

Home Value

Trulia Estimate
$884K
Since last month
Decreased$22K (-2.4%)
Since last year
Decreased$64K (-6.8%)
Since last sale
Increased$180K (+25.6%)
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 +40% in the last 10 years
MonthEstimated value
2026
September 2026$884K
September 2026$884K
August 2026$906K
July 2026$929K
June 2026$941K
May 2026$951K
April 2026$953K
March 2026$984K
February 2026$948K
January 2026$945K
2025
2024
2023
2022
2021
2020
2019
2018

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
23617 Golden Springs Dr #K-1, Diamond Bar, CA
2.38
Apartment
$310,000
10/22/25
1
1
768
23635 Golden Springs Dr #10B, Diamond Bar, CA
2.38
Apartment
$295,000
10/02/26
2
2
949
23601 Golden Springs Dr #A-10, Diamond Bar, CA
2.38
Apartment
$331,000
07/07/26
2
2
949
1104 Cleghorn Dr #F, Diamond Bar, CA
2.61
Apartment
$638,500
06/17/26
2
1.5
1,048
2350 S Diamond Bar Blvd #L, Diamond Bar, CA
2.72
Apartment
$520,000
07/22/26
2
2
916
1521 Rose Ct, West Covina, CA
3.90
Apartment
$679,000
05/27/26
3
3
1,442
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
13133 Le Parc Blvd #709, Chino, CA
5.63
Apartment
$588,000
09/08/26
2
3
1,125
1030 Kent Dr, San Dimas, CA
5.81
Apartment
$255,000
12/10/25
3
2
1,140
Home facts updated by county records

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
20986 Cornerstone Dr, Walnut, CA 91789
0.00
$961,100
4
3
1,780
Off Market
21000 Cornerstone Dr, Walnut, CA 91789
0.00
$913,900
4
3.5
1,830
Off Market
20990 Cornerstone Dr, Walnut, CA 91789
0.00
$927,800
4
3
1,750
Off Market
21010 Cornerstone Dr, Walnut, CA 91789
0.00
$677,000
4
3
1,830
Recently Sold
21006 Cornerstone Dr, Walnut, CA 91789
0.00
$1,038,300
3
4
1,760
Off Market
20988 Cornerstone Dr, Walnut, CA 91789
0.00
$841,800
3
4
1,760
Off Market
20992 Cornerstone Dr, Walnut, CA 91789
0.00
$955,700
4
3
1,830
Off Market
21008 Cornerstone Dr, Walnut, CA 91789
0.00
-
Studio
-
-
Off Market
21002 Cornerstone Dr, Walnut, CA 91789
0.00
$971,000
4
3
1,800
Recently Sold
20982 Cornerstone Dr, Walnut, CA 91789
0.03
$1,015,000
4
3
1,830
Recently Sold
20980 Cornerstone Dr, Walnut, CA 91789
0.03
$941,200
3
3.5
1,760
Off Market
20968 Cornerstone Dr, Walnut, CA 91789
0.03
$929,800
3
3.5
1,880
Off Market
21030 Cornerstone Dr, Walnut, CA 91789
0.03
$918,000
4
3
1,830
Off Market
21038 Cornerstone Dr, Walnut, CA 91789
0.03
$978,400
4
4
1,830
Off Market
21018 Cornerstone Dr, Walnut, CA 91789
0.03
$870,200
3
4
1,760
Off Market
21032 Cornerstone Dr, Walnut, CA 91789
0.03
$948,800
4
3
1,750
Off Market
21036 Cornerstone Dr, Walnut, CA 91789
0.03
$949,600
4
3
1,760
Off Market
21022 Cornerstone Dr, Walnut, CA 91789
0.03
$940,800
4
4
1,983
Off Market
21012 Cornerstone Dr, Walnut, CA 91789
0.03
$905,100
4
3
1,820
Off Market
21020 Cornerstone Dr, Walnut, CA 91789
0.03
$984,800
4
3.5
1,873
Off Market

Local Information

  • Map ViewExplore the area around 21008 Cornerstone Dr.
  • Schools1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Apartment
Built in 2018
0.4 acre lot
1,750 sqft
$505/sqft
Garage

About this House

What's unique:Farmhouse style sinkWalnut school districtLocated in cornerstone communityBath townhomeCenter islandDirect garage access
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
21008 Cornerstone Dr, Walnut, CA 91789 is a 4 bedroom, 4 bathroom, 1,750 sqft apartment built in 2018. It last sold for $703,500 on Sep 25, 2017. More recently, it was listed as a rental in February 2022 with an asking price of $3,700 per month. That rental listing was removed on March 10, 2022. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $883,900, with a rent estimate of $4,071/month.

Home Details for 21008 Cornerstone Dr

Interior Features

Heating & Cooling
Heating: Forced AirAir ConditioningHeating 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 and Tax history

DateEventPrice
Mar 10, 2022
Source: Zillow Rental Manager
ListingRemoved
Mar 4, 2022
Source: Zillow Rental Manager
PriceChange
$3,300
Price decreased by 6%
Feb 22, 2022
Source: Zillow Rental Manager
PriceChange
$3,500
Price decreased by 3%
Feb 14, 2022
Source: Zillow Rental Manager
PriceChange
$3,600
Price decreased by 3%
Feb 2, 2022
Source: Zillow Rental Manager
Listed For Rent
$3,700

Market trends in Walnut

Last updated August 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
—
Sale-to-List Price
—
Price per sq ft
—
Available listings
84
5MoM

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

Frequently asked questions about 21008 Cornerstone Dr

  • What is 21008 Cornerstone Dr estimated to be worth?
    Trulia's estimated value for 21008 Cornerstone Dr in Walnut, CA is $883,900.
  • What is the price history for 21008 Cornerstone Dr?
    21008 Cornerstone Dr in Walnut, CA last sold for $703,500 in September 2017.
  • 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 21008 Cornerstone Dr have laundry facilities?
    Yes, 21008 Cornerstone Dr in Walnut, CA has in-unit laundry.

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