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Vibrant, character-rich interiors unite with lush, beautifully manicured grounds at 4770 Flat Riv,a genuinely inimitable, hilltop Spanish-style estate set over three acres in Claremont. Perched at 2,000 feet overlooking rolling foothills, the city, and Mount Baldy in the distance, this five-bedroom, seven-bath estate spans 7,930 square feet and presents ample opportunities for sophisticated, unforgettable entertaining, and invigorating everyday living. Past privacy-enhancing gates, the home's entry courtyard is replete with custom tile murals, a fountain, and Sonoran-inspired landscaping. Find barrel and vaulted wood-beamed ceilings, reclaimed wood floors, and custom homes. The living spaces open seamlessly to the resort-like covered outdoor patio, which leads to a pool and spa and frames sweeping, far-reaching hill, valley, and mountain views. A stone's throw from the estate's patio is mature fruit trees; a flourishing rose garden and 90+ vineyards. Additional home features include 96 solar panels, multiple security cameras, an indoor/outdoor sound system, a whole house central vacuum system, a backup generator, a four-car garage, an RV garage that can accommodate a 40-foot vehicle, a Starlink satellite, and much more. Adding to its phenomenal appeal, 4770 Flat Riv is mere minutes from local markets, shops,parks, and main thoroughfares, including I-210 and I-10.
Listing agent: Charles Borromeo DRE #02114734 c.borromeo@theagencyre.com, Listing office: The Agency
MLS data updated 10/20/2026, 12:49:51 AM PT
Source: CRMLS, MLS #: 219095162DA
Belmont insights
Compare recorded home prices, same-type ZIP sales and mortgage rates.
Jun 7, 2023
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
$5,285,000Closed sale · Jun 7, 2023ZIP 91711 · Jun 2023
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.