Betty Huang
Latitude 33 Real Estate
(213) 471-7492
20 Total Sales
1 in Walnut
$1,380,000 Price
21000 Cornerstone Dr Walnut, CA 91789
Walnut AreaEstimated Value: $972,494
4
Beds
3.5
Baths
1,830
Sq Ft
$531/Sq Ft
Est. Value
Highlights
- Primary Bedroom Suite
- City Lights View
- Wood Flooring
- Vejar Elementary School Rated A
- Open Floorplan
- Main Floor Primary Bedroom
About This Home
As of July 2026Welcome to 21000 Cornerstone Drive, a spacious three-story townhome located in the highly desirable Cornerstone community of Walnut. This well-maintained home offers 4 bedrooms and 3.5 bathrooms, including two private bedroom suites that provide flexibility for guests, multigenerational living, or a home office.
The open-concept main level features a bright living area, dining space, and a functional kitchen with granite countertops, a large center island, ample cabinetry, and stainless steel appliances. Freshly painted throughout, the home offers a clean, move-in-ready living environment. Additional features include wood flooring in the main living areas, in-unit laundry, central air conditioning, and an attached two-car garage.
Enjoy the convenience of being within walking distance to Walnut High School and Suzanne Middle School, both part of the award-winning Walnut Valley Unified School District. Community amenities include parks, playgrounds, BBQ areas, and beautifully maintained green spaces. Conveniently located near shopping, dining, and major freeways.
Move-in ready and available for immediate occupancy.
Last Agent to Rent the Property
Latitude 33 Real Estate License #02121350 Listed on: 06/14/2026
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Townhouse Details
Home Type
- Townhome
Year Built
- Built in 2017
Lot Details
- 1 Common Wall
- Density is up to 1 Unit/Acre
Parking
- 2 Car Attached Garage
- Parking Available
Property Views
- City Lights
- Park or Greenbelt
- Courtyard
Home Design
- Entry on the 1st floor
Interior Spaces
- 1,830 Sq Ft Home
- 3-Story Property
- Open Floorplan
- Entrance Foyer
- Family Room Off Kitchen
- Living Room
- Dining Room
- Laundry Room
Kitchen
- Open to Family Room
- Six Burner Stove
- Gas and Electric Range
- Microwave
- Dishwasher
- Kitchen Island
- Granite Countertops
- Utility Sink
- Disposal
Flooring
- Wood
- Carpet
Bedrooms and Bathrooms
- 4 Bedrooms | 1 Primary Bedroom on Main
- Primary Bedroom Suite
- Walk-In Closet
- Bathroom on Main Level
- Dual Vanity Sinks in Primary Bathroom
- Private Water Closet
- Bathtub with Shower
- Walk-in Shower
Home Security
Outdoor Features
- Living Room Balcony
- Exterior Lighting
Utilities
- Central Heating and Cooling System
Listing and Financial Details
- Security Deposit $4,200
- Rent includes association dues
- 12-Month Minimum Lease Term
- Available 6/14/26
- Tax Lot 42
- Tax Tract Number 73294
- Assessor Parcel Number 8720047084
Community Details
Overview
- Property has a Home Owners Association
- Front Yard Maintenance
- 61 Units
Amenities
- Laundry Facilities
Pet Policy
- Call for details about the types of pets allowed
- Pet Deposit $800
Security
- Carbon Monoxide Detectors
- Fire and Smoke Detector
Ownership History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
Date
Name
Owned For
Owner Type
Purchase Details
Listed on
Aug 27, 2019
Closed on
Aug 15, 2019
Sold by
Bought by
Seller's Agent
Jordan Wang
Keller Williams Realty Irvine
Buyer's Agent
Jordan Wang
Keller Williams Realty Irvine
Sold Price
$3,000
Current Estimated Value
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Estimated Appreciation
$969,494
Avg. Annual Appreciation
4.43%
Purchase Details
Closed on
Oct 19, 2018
Sold by
Bought by
Purchase Details
Closed on
Sep 8, 2017
Sold by
Bought by
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$384,900
Interest Rate
5.12%
Mortgage Type
Adjustable Rate Mortgage/ARM
Home Values in the Area
Average Home Value in this Area
Agents Specializing in Walnut, CA
-
Betty Huang
-
Joe Gold
Joe Gold
Coldwell Banker Realty
(858) 842-9187
24 Total Sales
1 in Walnut
$850,000 Price
-
Aaron Juarez
Aaron Juarez
Responds QuicklyColdwell Banker Icon
(855) 560-5718
91 Total Sales
1 in Walnut
$1,015,000 Price
-
Lan 'Gloria' Xiao
Lan 'Gloria' Xiao
Responds QuicklyRE/MAX ELITE REALTY
(562) 600-8264
117 Total Sales
1 in Walnut
$2,235,000 Price
-
Sal Salinas
Sal Salinas
RE/MAX Galaxy
(323) 827-7679
51 Total Sales
7 in Walnut
$404K - $1.4M Price Range
-
Oliver Yang
Oliver Yang
Cubemax International Corp.
(909) 443-2351
36 Total Sales
1 in Walnut
$3,688,800 Price
Purchase History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Buyer | Sale Price | Title Company |
|---|---|---|---|
| $720,000 | Stewart Title | ||
| -- | None Available | ||
| -- | None Available | ||
| $700,000 | Fntg Builder Services |
Source: Public Records
Mortgage History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Status | Borrower | Loan Amount |
|---|---|---|---|
| Previous Owner | $384,900 |
Source: Public Records
Property History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Event | Price | List to Sale | Price per Sq Ft | Prior Sale |
|---|---|---|---|---|---|
| 07/02/2026 07/02/26 | Rented | $4,200 | 0.0% | -- | |
| 06/14/2026 06/14/26 | For Rent | $4,200 | +16.7% | -- | |
| 07/29/2024 07/29/24 | Rented | $3,600 | 0.0% | -- | |
| 07/29/2024 07/29/24 | Under Contract | -- | -- | -- | |
| 07/29/2024 07/29/24 | For Rent | $3,600 | +20.0% | -- | |
| 10/18/2020 10/18/20 | Rented | $3,000 | -14.3% | -- | |
| 10/05/2020 10/05/20 | For Rent | $3,500 | +16.7% | -- | |
| 09/09/2019 09/09/19 | Rented | $3,000 | -99.6% | -- | |
| 09/09/2019 09/09/19 | Under Contract | -- | -- | -- | |
| 08/27/2019 08/27/19 | Sold | $720,000 | 0.0% | $393 / Sq Ft | View Prior Sale |
| 08/27/2019 08/27/19 | For Rent | $3,000 | 0.0% | -- | |
| 06/12/2019 06/12/19 | For Sale | $735,000 | -- | $402 / Sq Ft |
Source: California Regional Multiple Listing Service (CRMLS)
Tax History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Year | Tax Paid | Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. | Land | Improvement |
|---|---|---|---|---|
| 2025 | $9,836 | $787,420 | $458,454 | $328,966 |
| 2024 | $9,355 | $771,981 | $449,465 | $322,516 |
| 2023 | $9,124 | $756,845 | $440,652 | $316,193 |
| 2022 | $8,934 | $742,006 | $432,012 | $309,994 |
| 2021 | $8,767 | $727,458 | $423,542 | $303,916 |
| 2019 | $8,483 | $713,898 | $435,642 | $278,256 |
| 2018 | $8,283 | $699,900 | $427,100 | $272,800 |
Source: Public Records
Agents Affiliated with this Home
-
Betty Huang
Landlord's Agent in 2026
Betty Huang
Latitude 33 Real Estate
(213) 514-4188
20 Total Sales
-
Joshua Ramirez
Tenant's Agent in 2026
Joshua Ramirez
Keller Williams World Media Center
(818) 692-9785
17 Total Sales
-
Jordan Wang
Seller's Agent in 2020
Jordan Wang
Keller Williams Realty Irvine
(949) 550-8885
145 Total Sales
-
Johnny Yu
Seller's Agent in 2019
Johnny Yu
Grand Lux Realty & Financial
(310) 879-9790
61 Total Sales
Map
Source: California Regional Multiple Listing Service (CRMLS)
MLS Number: TR26129798
APN: 8720-047-084
Disclaimer: Certain information contained herein is derived from information provided by parties other than Homes.com. All information provided is deemed reliable, but is not guaranteed to be accurate and should be independently verified.
The multiple listing data appearing on this website, or contained in reports produced therefrom, is owned and copyrighted by California Regional Multiple Listing Service, Inc. ("CRMLS") and is protected by all applicable copyright laws. Information provided is for viewer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties the viewer may be interested in purchasing. All listing data, including but not limited to square footage and lot size is believed to be accurate, but the listing Agent, listing Broker and CRMLS and its affiliates do not warrant or guarantee such accuracy. The viewer should independently verify the listed data prior to making any decisions based on such information by personal inspection and/or contacting a real estate professional.
Based on information from California Regional Multiple Listing Service, Inc. and /or other sources. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information
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