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Welcome to 20956 Cornerstone Dr, Walnut – a beautifully maintained townhome nestled in a highly desirable community in the heart of Walnut. This spacious multi-level residence offers 3 bedrooms, 3.5 bathrooms, and an attached 2-car garage, designed with comfort and functionality in mind. The open-concept living area is filled with natural light and features high ceilings and direct access to a private balcony—ideal for entertaining or relaxing. The gourmet kitchen boasts granite countertops, stainless steel appliances, ample cabinet space, and an island counter making meal preps an ease. 3rd level includes 2 generously sized primary suites with walk-in closet and a spa-like ensuite with dual sinks and shower. 1st level includes an additional bedroom and bathroom perfect for guests or multi-generational living. Enjoy the convenience of in-unit laundry and central A/C & Heat. Community amenities include a playground, BBQ areas, well-maintained grounds, and plenty of additional guest parking. Located within the award-winning Walnut Valley Unified School District and close to parks, shopping centers, and freeways, this home combines comfort, style, and top-tier location.
Listing agent: Brian Gordon DRE #01302670 brian_gordon@sbcglobal.net, Listing office: Lotus Property Services, Inc.
MLS data updated 10/20/2026, 4:15:10 AM PT
Source: CRMLS, MLS #: AR25171773
Belmont insights
Compare recorded home prices, same-type ZIP sales and mortgage rates.
Oct 16, 2025
Prices use the left axis; mortgage rates use the right. Hover, tap, or focus the chart and use the arrow keys. Red SOLD badges mark recorded sales.
This home · nearest recorded event
$888,000Closed sale · Oct 16, 2025ZIP 91789 · Oct 2025
No monthly averageAt least 3 eligible sales in this month are required.30-year fixed mortgage benchmark
No weekly rateNo published rate within 7 days of this date.ZIP averages use publicly displayable closed sales from our licensed MLS feed, matched to the same ZIP and exact property type. Months with fewer than 3 sales are omitted; the current month is incomplete. Lines connect available monthly observations across gaps and do not represent measured prices in missing months. These averages are not adjusted for size, condition, or location within the ZIP, and are not an appraisal. Feed coverage may not include every sale. All available shows the available home and ZIP history, with mortgage rates over the same dates.
Mortgage benchmark: Freddie Mac Primary Mortgage Market Survey®. © Freddie Mac. Weekly national 30-year fixed rates, not APRs or a loan quote. Actual terms vary. Methodology changed in November 2022. The chart does not establish that interest-rate changes caused a home’s price changes.
Lines connect recorded asking and sale prices. They are visual guides, not estimates of the home’s value between those dates.
No earlier records were returned by our current sources. This does not mean the home has never sold.
MLS records may be incomplete. Earlier asking prices are not sale prices.