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The Gell-Mann Residence: William E. Blurock Architect. Set gently into the tree-lined edge of the Arroyo Seco, this two-story mid-century modern residence was built in 1956 and designed by California modernist architect William E. Blurock, FAIA, whose career shaped landmark civic and educational buildings across the state and around the world. Believed to be one of only a few private homes he ever designed, this striking mid-century residence is quietly tucked behind mature landscaping within Pasadena's storied, National Register-listed Prospect Historic District.The five-bedroom, five-bathroom home is anchored by an aspirational reverse floor plan that lifts the main gathering spaces to the upper level, where soaring living-room ceilings, a copper-clad fireplace, and a bespoke mid-century light fixture stretching the entire length of the living room wash the interiors in a welcoming, warm light. Custom millwork and walls clad in walnut and maple lend a natural richness to the residence. Walls of glass and a second-story balcony frame sweeping views of the Rose Bowl and surrounding canyons. A dramatic open-plan stairway becomes a sculptural centerpiece for the home, animated by inset colored-glass panels and highlighted by an architectural railing wrapped in wood and cork flooring.Below, the floor plan opens around a serene zen-style garden and an expansive pool, with a private pool house/guest studio completing a resort-like retreat built for modern California living. Flagstone, stucco and a subdued facade let the house belong effortlessly among the district's Craftsman and period-revival landmarks.The home carries a remarkable provenance as the longtime residence of Nobel Prize-winning physicist Murray Gell-Mann, who lived here during his most creative years at Caltech. The scientist who named the "quark" and reorganized our understanding of the building blocks of matter found his home in a house designed, quite literally, to lift its inhabitants toward the light and the view.More than a home, this is a rare convergence of California modernism, landscape, craftsmanship and intellectual history. Square footage was measured by PlantLab LA: House only-6006, Garage-454, Studio-153. Buyers to verify all permitted and possibly unpermitted spaces. The residence is ready to write its next chapter.
Listing agent: JB An Fung DRE #01332492 jb@beyondshelter.com, Listing office: Compass
MLS data updated 10/19/2026, 11:58:25 AM PT
Source: CRMLS, MLS #: 26896313
Belmont insights
Compare recorded home prices, same-type ZIP sales and mortgage rates.
Oct 9, 2026
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This home · nearest recorded event
$4,600,000Closed sale · Oct 9, 2026ZIP 91103 · 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.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.
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