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20950 Cornerstone Drive Walnut, CA 91789
$938,888 4 beds, 4 baths
1, 830 sqft
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Elevated Living at Cornerstone by Shea Homes Built 2018 | Soaring 9-10' Ceilings & Light-Filled Living | Entry-Level Suite | Over $53k in Upgrades Discover an impressive sense of space with abundant natural light, and expansive open-concept living, this thoughtfully enhanced residence offers an airy, inviting setting for everyday comfort and effortless entertainment Space to Gather. Privacy to Retreat The connected living, dining, and kitchen spaces create a welcoming heart of the home, with a covered balcony offering a peaceful place for morning coffee or an evening pause. An entry-level bedroom with its own en-suite bathroom provides a private retreat for visiting guests or a dedicated home office, separate from the main living areas. Upstairs, the primary suite features a walk-in closet and dual-sink bathroom, while bedroom-level laundry and a direct-access two-car garage add everyday convenience. Enjoy landscaped community playground, dog park, BBQ areas, and connect with neighbors Thoughtful Upgrades of over $53k In builder options and owner-added upgrades, bring together designer finishes and practical enhancements. Two-zone climate control allows the 3rd floor bedrooms to be regulated separately from the lower levels, a valuable feature in a three-story home. Reverse-osmosis water filtration system, and EV charger complement upgraded flooring, quartz surfaces, and primary shower finishes Prime Location & Future Value •Education: Nestled in the prestigious Walnut Valley Unified School District, Walnut High School, Suzanne Middle School, and Vejar Elementary School, with walking distance in 1 mile, Mt. San Antonio College and Cal Poly Pomona are approximately 2.9 and 4.3 miles away •Regional Attractions & Convenient Travel: Located apprx 17 miles from Honda Center—a confirmed indoor volleyball venue for the 2028 Olympic Games and the emerging $4 billion OCVIBE entertainment district, with phased openings beginning in 2027. Ontario International Airport is apprx 18 miles away, adding convenience for business and leisure travel Photos tell part of the story, please come experience the space, the light, and the feeling of home for yourself. Join us at our Open House this Saturday and Sunday and imagine your next chapter here Don't let current interest rates hold you back from your dream home! Come connect with our preferred loan officers, who can share strategic financing options to help lower your monthly payments

Listing Details

Property type: Condominium (Condo/Coop/Townhouse)
Status: Active
MLS# CV26203068
List price is $938,888 Reduced by $30,000 on 10/6/2026
HOA Fee is $306.00
Beds: 4
Baths: 4 (3 full) (1 half)
None fireplaces
Built in 2018
1,830 sqft
0.40 acres
Lot size: 0.3988
County: Los Angeles
Interior features: Primary Suite,Walk-In Closet(s)
Appliances: Dryer,Washer
Lot description: Corner Lot
Heating/cooling: Central Air
Heating description: Central
MLS area: 668 - Walnut

Last Updated: 10/7/2026

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 Find more homes in 91789 zip code

This listing belongs to the 668 - Walnut MLS area

Lat/Long: 34.016944, -117.848685.
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Listing Agent: Lirong Zhu
Lic#: 01993610
Office Name: Mission Viejo

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Area Overview

Total population of , which has changed by % since 1990.
The median age of the population is , while the median age of dwellings is .
Out of households, are families.

Community Characteristics:

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Population by Gender

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Mission Viejo Office
23120 Alicia Parkway, Suite 100
Mission Viejo, CA 92692
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