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20950 Cornerstone Drive, Walnut, CA 91789

$939K4bd · 4ba · 1,830 sqft
Lot 17,370 sqft•HOA $306/mo•Condominium•
Active
•25d on market•MLS# CV-26203068

Property Description

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

Features & Amenities

FeeBuilt 2018

Property Details

Land Type
Fee
Year Built
2018
Property Type
Residential
Property Subtype
Condominium
Parking Spaces
2
Garage Spaces
2
Heating
Central
Cooling
Central Air
View
City Lights
City
Walnut
Zip Code
91789
County
Los Angeles
Listed byUnknown Office, Lirong Zhu

Mortgage Calculator

Current Rates

$
$
%
Monthly Payment
$4,747.53
Principal & Interest
Loan Amount
$751,110
Total Interest
$957,999
Total Payment Over 30 Years
$1,709,109
This calculator provides estimates only. Actual mortgage payments may include taxes, insurance, HOA fees, and PMI. Contact a lender for accurate quotes.

Comparative Market Analysis

Residential Tier · 3 active · 3 closed

20950 Cornerstone Drive, Walnut, CA 91789

Walnut · Condominium

$969K
Residential Tier
Beds
4
Baths
4
Sqft
1,830
Lot
17,370 sqft
Year
2018
$/Sqft
$529
Pool: No✓
View: city✓
Garage: 2-car✓

Listed 4.5% below the median closed sale of $1,015,000. Price per sqft ($529) is a 10% discount to closed comps ($589). Closed comps sold at 100% of list — strong seller's market.

Price Position

Aligned with the market — fair pricing for the comps.

At market
Subject listed at $969K· $529/sqft
Total list price
Closed comps
vs closed median $1.01M
−$46K (−4.5%)
Active comps
vs active median $600K
+$369K (+61.5%)
Price per sqft
Closed compsinsufficient comp data
Active comps
vs active avg $/sqft $380
+$149 (+39.3%)

Active Properties (3)

Active Comparables

AddressCityYearBDBTHSqFtLotSzLP/SqFtLPDIMScore
1034 Romney DriveDiamond Bar1980431,8462,308$379$699,0003067
2837 OnyxWest Covina1985331,66632,180$354$590,000362
3672 IvoryWest Covina1987231,478100,418$406$599,8884754
Total: 3 · Average3.03.01,663.33344,968.667$379.667$629,629.33326.666666666666668
Median1,666$599,888

Closed Properties (3)

Closed Comparables

AddressCityYearDateBDBTHSqFtLotSzLPSPSP/SqFtSP/LPDIMScore
20982 Cornerstone DrWalnut201808/13/2026431,83017,441$998,000$1.01M$5551.024587
242 Solaro CourtWalnut202506/02/2026331,5700$1.13M$1.13M$7171.007073
1505 Kem WayWalnut197307/22/2026421,364134,466$680,000$675,000$4950.993355
Total: 3 · Average3.72.71,58875,953.5$938,474.667$938,474.667$589—49.333333333333336
Median1,570$1.01M$1.01M

Market Analysis

List vs Sale $/SqFt

Sale Price Trend

Days on Market

Sale vs List Price

AI-generated CMA

This analysis was generated automatically from MLS data. For an in-depth, human-reviewed valuation, contact Joseph Sardella at josephsardella@gmail.com.