For sale

Listed by: Wetrust Realty • CHUNYING BAO • Contact: 626-217-4789

$998,000

20982 Cornerstone Dr, Walnut, CA 91789

4beds

1,830sqft

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Condominium

Built in 2018

-- sqft lot

$991,300 Zestimate^®

$545/sqft

$306/mo HOA

What's special

Built in 2018, this beautifully maintained 4-bedroom, 3-bath condominium offers a spacious open-concept floor plan designed for modern living. The light-filled living and dining areas flow seamlessly into the gourmet kitchen, featuring a large center island, abundant cabinetry, and ample counter space, making it ideal for both everyday living and entertaining. A highly desirable first-floor bedroom and full bathroom provide flexibility for guests, multi-generational living, or a home office. Upstairs, the spacious primary suite features a walk-in closet and an en-suite bathroom, along with two additional bedrooms and a full bath. Located in a quiet, well-maintained community in the heart of Walnut, this move-in-ready home is within walking distance to Suzanne Middle School and Walnut High School, both part of the highly acclaimed Walnut Valley Unified School District. Enjoy convenient access to parks, shopping, dining, and major freeways, offering both comfort and convenience.

14 days

622

21

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Facts & features

Interior

Bedrooms & bathrooms

Bedrooms: 4
Bathrooms: 3
Full bathrooms: 3
Main level bathrooms: 1
Main level bedrooms: 1

Rooms

Room types: Bedroom, Entry/Foyer, Kitchen, Laundry, Living Room, Primary Bathroom, Primary Bedroom, Office, Other

Primary bedroom

Features: Primary Suite

Bedroom

Features: Bedroom on Main Level

Other

Features: Walk-In Closet(s)

Heating

Central

Cooling

Central Air

Appliances

Included: Dryer, Washer
Laundry: Washer Hookup, Gas Dryer Hookup, Laundry Room, Upper Level

Features

Bedroom on Main Level, Primary Suite, Walk-In Closet(s)
Has fireplace: No
Fireplace features: None
Common walls with other units/homes: 1 Common Wall

Interior area

Total interior livable area: 1,830 sqft

Property

Parking

Total spaces: 2
Parking features: Garage - Attached
Attached garage spaces: 2

Features

Levels: Three Or More
Stories: 3
Entry location: Main Level
Pool features: None
Has view: Yes
View description: None

Lot

Size: 0.4 Acres

Details

Parcel number: 8720047100
Special conditions: Standard

Construction

Type & style

Home type: Condo
Property subtype: Condominium
Attached to another structure: Yes

Condition

New construction: No
Year built: 2018

Utilities & green energy

Sewer: Public Sewer
Water: Public

Community & HOA

Community

Features: Street Lights, Sidewalks

HOA

Has HOA: Yes
Amenities included: Outdoor Cooking Area, Barbecue, Playground
HOA fee: $306 monthly
HOA name: T Cornerstone Homeowners Association
HOA phone: 714-285-2626

Location

Region: Walnut

Financial & listing details

Price per square foot: $545/sqft
Tax assessed value: $848,814
Annual tax amount: $10,556
Date on market: 6/28/2026
Cumulative days on market: 14 days
Listing terms: Cash,Cash to New Loan,Conventional,1031 Exchange

Estimated market value

$991,300

$942,000 - $1.04M

$4,041/mo

Price history

Date	Event	Price
6/28/2026	Listed for sale	$998,000$545/sqft
Source: CRMLS #WS26138210 Report a problem

Public tax history

Year	Property taxes	Tax assessment
2025	$10,556 +5%	$848,814 +2%
2024	$10,050 +2.5%	$832,172 +2%
2023	$9,802 +2.1%	$815,856 +2%
2022	$9,598 +1.9%	$799,860 +2%
2021	$9,420 +1.5%	$784,178 +1%
2020	$9,284	$776,138 +2%
2019	$9,284 +5.4%	$760,920 +2%
2018	$8,806	$746,000

Find assessor info on the county website

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All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.

HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.

Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.

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