Welcome to this beautifully maintained tri-level end unit home built in 2018, located in the highly sought-after Cornerstone community of Walnut. As an end unit, this property offers enhanced privacy, extra windows for abundant natural light, and a quieter living environment. Featuring 4 bedrooms and 4 bathrooms across approximately 1,983 sq ft, the home boasts a bright and open floor plan, a modern kitchen with stainless steel appliances, quartz countertops, and a center island, along with a spacious living and dining area that opens to a private balcony—perfect for both everyday living and entertaining. A convenient main-floor bedroom and full bath provide flexibility for guests or multi-generational living, while the upstairs primary suite includes a walk-in closet and elegant en-suite bath. Located in a quiet, low-HOA community with amenities such as a BBQ area, playground, and neighborhood park, this home also belongs to the award-winning Walnut Valley Unified School District. Combining location, layout, and lifestyle, this move-in ready home offers the perfect balance of comfort, convenience, and education opportunities for discerning buyers.
Off market
Listing Provided by:
$916,100
20950 Cornerstone Dr, Walnut, CA 91789
4beds
1,983sqft
Condominium
Built in 2018
-- sqft lot
$916,100 Zestimate®
$462/sqft
$4,283 Estimated rent
What's special
Zillow last checked: 7 hours ago
Listing updated: July 30, 2025 at 05:42am
Source: CRMLS,MLS#: OC25158754
Originating MLS: California Regional MLS

Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 4
- Full bathrooms: 4
- Main level bathrooms: 1
- Main level bedrooms: 1
Heating
- Central
Cooling
- Central Air
Appliances
- Laundry: Washer Hookup, Gas Dryer Hookup, Inside, Laundry Room, Upper Level
Features
- Bedroom on Main Level, Main Level Primary, 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: 1,983 sqft
Property
Parking
- Total spaces: 2
- Parking features: Garage - Attached
- Attached garage spaces: 2
Features
- Levels: Three Or More
- Stories: 3
- Entry location: 1
- Pool features: None
- Has view: Yes
- View description: None
Lot
- Size: 0.40 Acres
Details
- Parcel number: 8720047131
- Zoning: WAC3*
- 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 & neighborhood
Community
- Community features: Park
Location
- Region: Walnut
HOA & financial
HOA
- Has HOA: Yes
- HOA fee: $276 monthly
- Amenities included: Outdoor Cooking Area, Barbecue, Picnic Area, Playground
- Association name: Cornerstone HOA
- Association phone: 951-371-2727
Other
Other facts
- Listing terms: Cash,Conventional,1031 Exchange,FHA,Fannie Mae,Freddie Mac,VA Loan
Services availability
Get a cash offer in 3 minutes
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Estimated market value
$916,100
Get a cash offer in 3 minutes
Find out how much your home could sell for in as little as 3 minutes with a no-obligation cash offer.
Estimated market value
$916,100