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Welcome to 25092 Mammoth Circle, an architectural masterpiece recognized as "House of the Year" in 2021. Tucked away at the absolute end of a private, peaceful cul-de-sac with no through traffic, this exceptional Lake Forest residence has been fully remodeled to the highest quality, offering an unparalleled standard of luxury, sophistication, and privacy. Personally designed, engineered, and updated by its owner—an architect and engineer—this home showcases uncompromising craftsmanship and attention to detail. No expense was spared in this top-tier, turnkey transformation, featuring custom structural elements, elegant custom-made doors, and flawless designer finishes throughout. The bright, open-concept living spaces are bathed in natural light, creating a seamless flow that is perfect for both grand entertaining and intimate everyday living. The gourmet chef’s kitchen is a showstopper, meticulously crafted with premium high-end appliances, custom cabinetry, and sleek, durable countertops, while the luxurious primary suite serves as a private sanctuary with a spa-like ensuite bath featuring elite fixtures. Outside, the expansive lot provides a rare, tranquil backyard retreat highlighted by a stunning custom-built waterfall, beautiful natural stone landscaping, and a variety of mature fruit trees. Beyond its aesthetic brilliance, the home is engineered for modern efficiency with an updated AC system and solar panels. Adding to this incredible value, residents enjoy resort-style living at the renowned Sun & Sail Club, featuring world-class amenities including a stunning lakeside clubhouse, multiple pools (lap, diving, and wading), a premier fitness center, 9 lighted tennis courts, 12 pickleball courts, sand volleyball, a youth center, a 21+ adult lounge, fitness classes, and incredible community events like the famous 4th of July lakeside fireworks. This exceptional neighborhood is backed by an outstanding HOA that beautifully maintains common areas to protect your property value. Positioned just minutes from top-rated schools, premier dining, and shopping, opportunities to own a fully reimagined property of this caliber are exceedingly rare.
Listing agent: Adam Hammodat DRE #01995901 adam1@kw.com, Listing office: Keller Williams Realty Irvine
MLS data updated 10/26/2026, 9:48:59 PM PT
Source: CRMLS, MLS #: OC26103607
Belmont insights
Compare recorded home prices, same-type ZIP sales and mortgage rates.
Jun 29, 2026
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
$1,650,000Closed sale · Jun 29, 2026ZIP 92630 · Jun 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.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.