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'The opportunity to acquire a Kaufmann-designed residence of this scale, on land of this magnitude, and in direct relationship to the Arroyo Seco are exceedingly rare. Such properties are not replicated.'Privately located on one of the last undivided parcels on ultra-prestigious South San Rafael Avenue, sits the Frederick G. Adamson estate. Sited on 2.71 acres at the top of a long, gated driveway with commanding panoramic views of the Southern Basin from the western bank of the Arroyo Seco, the estate offers scale, privacy, and permanence that can no longer be replicated.Gordon B. Kaufmann, AIA Fellow, who over his career partnered with Reginald Johnson, Roland Coate, and Jesse Stanton, was the architect behind Greystone Mansion, the Los Angeles Times Building, the Athenaeum at Caltech, and numerous other landmark works, earning recognition at the Paris International Exposition. His architecture is found throughout many of Southern California's most prominent enclaves, including Bel-Air, Hancock Park, Holmby Hills, Pasadena, Beverly Hills, and Montecito.This Italian Revival masterpiece reflects Kaufmann's timeless vision, revealing a residence that, while exceeding 10,000 square feet, retains a sense of warmth, intimacy, and effortless livability. Equally suited for grand entertaining and private retreat, the home exemplifies his celebrated ability to balance formal and informal spaces while capturing the site's commanding views and sweeping panoramas. A succession of terraces, balconies, and loggias extends the living experience outdoors, beautifully uniting architecture and landscape design.Original and updated details remain remarkably preserved, including lathe-and-plaster walls, a paneled walnut library, oak floors, intricate moldings, five fireplaces, 14.75 foot ceilings, clay-tile roofline, and period lighting and hardware reflecting a level of craftsmanship and integrity rarely seen today.Published in Architectural Digest in 1930 and held by only a handful of owners over nearly a century, the estate endures as a cultural artifact. Properties of this caliber do not trade often. When they do, they demand decisive, thoughtful ownership. This is one of those moments.Minutes from Caltech, the Huntington Library & Gardens, major studios, and Downtown Los Angeles, the Adamson Estate unites architectural significance, irreplaceable land, and enduring value.
Listing agent: Rita Whitney DRE #01209004 rjwrealestate@icloud.com, Listing office: The Agency
MLS data updated 11/1/2026, 8:51:16 AM PT
Source: CRMLS, MLS #: P1-26939
Belmont insights
Compare recorded home prices, same-type ZIP sales and mortgage rates.
May 15, 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
$11,000,000Closed sale · May 15, 2026ZIP 91105 · May 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.