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. A water softener, 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
For sale
Listed by: Real Brokerage Technologies, Inc • Lirong Zhu • Contact: 626-226-9447
$968,888
20950 Cornerstone Dr, Walnut, CA 91789
4beds
1,830sqft
Condominium
Built in 2018
-- sqft lot
$959,200 Zestimate®
$529/sqft
$306/mo HOA
What's special
- 18 days
- 880
- 44
Likely to sell faster than
Zillow last checked:
Listing updated:
Listed by:
Lirong Zhu DRE #02002069 626-226-9447,
Real Brokerage Technologies, Inc
Source: CRMLS,MLS#: CV26203068
Originating MLS: California Regional MLS
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 4
- Full bathrooms: 3
- 1/2 bathrooms: 1
- Main level bathrooms: 1
Rooms
- Room types: Bedroom, Entry/Foyer, Great Room, Kitchen, Laundry, Primary Bedroom, Other
Primary bedroom
- Features: Primary Suite
Bedroom
- Features: Multi-Level Bedroom
Other
- Features: Walk-In Closet(s)
Heating
- Central
Cooling
- Central Air
Appliances
- Included: Dryer, Washer
- Laundry: Laundry Room, Upper Level
Features
- 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: FRONT DOOR
- Pool features: None
- Has view: Yes
- View description: City Lights
Lot
- Size: 0.4 Acres
- Features: Corner Lot
Details
- Parcel number: 8720047131
- 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: Dog Park
HOA
- Has HOA: Yes
- Amenities included: Dog Park, Barbecue, Picnic Area, Playground
- HOA fee: $306 monthly
- HOA name: Cornerstone Homeowners Association
- HOA phone: 714-285-2626
Location
- Region: Walnut
Financial & listing details
- Price per square foot: $529/sqft
- Tax assessed value: $807,760
- Date on market: 9/16/2026
- Cumulative days on market: 18 days
- Listing terms: Cash,Cash to New Loan,Conventional
Estimated market value
$959,200
$911,000 - $1.01M
$4,017/mo
Price history
| Date | Event | Price |
|---|---|---|
| 9/16/2026 | Listed for sale | $968,888+39.2%$529/sqft |
Source: | ||
| 3/30/2018 | Sold | $696,000$380/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2026 | -- | $807,760 +2% |
| 2025 | $9,951 +5.3% | $791,923 +2% |
| 2024 | $9,452 +2.5% | $776,396 +2% |
| 2023 | $9,220 +2.1% | $761,174 +2% |
| 2022 | $9,029 +1.9% | $746,250 +2% |
| 2021 | $8,861 +1.3% | $731,618 +1% |
| 2020 | $8,748 | $724,118 +2% |
| 2019 | $8,748 +234.1% | $709,920 +242.6% |
| 2018 | $2,619 | $207,210 |
Find assessor info on the county website
Monthly payment
Est. payment






