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421 Summit is a custom designed home crafted by architect and designer Dave Ruffin on a spectacular view lot in the Lakewood Community of Walnut Creek. Plenty of thought and care was taken to ensure both the quality of construction and consideration to the land's inherent beauty. The views are private and panoramic - spanning across a multitude of newly constructed decks, retaining walls, and Anderson windows and sliders. This is an entertainers dream in a setting with very little noise - just the rolling hills of a community reminiscent of an Alp setting in Switzerland. See houses in the valley below and enjoy nearby trail heads to Shell Ridge and Mt. Diablo - still a short drive to Downtown Walnut Creek. Vaulted ceilings, skylights, solar tubes, tons of light, designer fixtures, state of the art appliances and a gorgeous walk in closet. Two primary suites upstairs and in-law aupair quarters down below with second kitchenette and entrance. Solar power. Views: Ridge
Listing agent: Brandon Kersis DRE #02038512 brandon@thekersisteam.com, Listing office: Dudum Real Estate Group
MLS data updated 10/19/2026, 3:26:37 AM PT
Source: CRMLS, MLS #: 40954267
Belmont insights
Compare recorded home prices, same-type ZIP sales and mortgage rates.
Aug 24, 2021
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
No recordNo property-price record in this range.ZIP 94596 · Oct 2026
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.No recorded sales in this range. Select All available for older records; missing records do not mean the home never sold.
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.