The Pasadena Bubble House with Detached Studio & Bomb Shelter | 1097 S Los Robles Ave

Celebrated architect Wallace Neff designed grand residences for some of California’s most powerful and recognizable figures, among them Douglas Fairbanks Jr., Groucho Marx, and Judy Garland. Yet for all the acclaim attached to those estates (which included Pickfair, the legendary mansion that was the epicenter of Golden Era Hollywood in the 1930s), Neff reportedly considered his modest Airform, or “bubble,” houses the defining achievement of his career.

1097 S Los Robles Avenue
Pasadena, CA 91106

$1,950,000 | 2 Beds | 1 Bath | 1,204 Sq. Ft. | $1,620Price/Sq.Ft. | Built in 1947 | 8,984 Sq. Ft. Lot | One Bedroom Detached Studio | Underground Bomb Shelter

Photo courtesy of the Huntington Digital Library.

In the years following World War II, America faced a housing crisis of staggering scale. The Baby Boom, combined with the rapid expansion of suburbia, overwhelmed the nation’s existing housing stock and created an urgent demand for faster, cheaper forms of construction. For Wallace Neff, the solution arrived in an unlikely moment. Shaving at his bathroom sink in the mid-1930s, he noticed a soap bubble hold its shape against his finger and suddenly thought: “Build with air.”

Photo courtesy of the Huntington Digital Library.

Neff believed his dome-shaped Airform, or “bubble,” houses could fundamentally change the future of housing. Built without wood or nails, the structures relied on an inflatable balloon framework covered in wire mesh and sprayed with gunite.

Once the shell hardened, the balloon was deflated and removed, leaving behind a fully formed house that could be completed in as little as 48 hours.

Convinced the idea would transform the industry, Neff erected Airform houses across the United States and abroad, imagining a future filled with open-plan, dome-shaped communities. But the American public never fully embraced the concept. Despite plans for 400,000 homes, fewer than 3,000 were ultimately built. What Neff saw as the future of domestic architecture remained, instead, one of the twentieth century’s most ambitious architectural detours. Critics fixated on the igloo-like silhouette and the perceived inefficiency of curved interior spaces, dismissing the structures as impractical despite their speed, affordability, and ingenuity. Overseas, however, such concerns carried less weight. Airform houses rose in places as far-reaching as Senegal, Cairo, and Rio de Janeiro, where Neff’s vision of rapid, modern housing found a more receptive audience.

The last surviving Bubble House in the United States stands here in Pasadena at 1097 S Los Robles Avenue, where Neff spent his final years living with his brother, Andrew. Constructed in 1946 with financing from Neff’s mother, the Pasadena Airform initially unsettled neighbors who viewed the elliptical dome as an alien presence within the city’s largely Period Revival streetscape.

Yet the house quickly became a point of fascination, appearing on the cover of the Los Angeles Times Home Magazine in 1947 and attracting national attention as one of the boldest experiments in postwar domestic architecture.

In the decades since, its reputation has undergone a profound reassessment. Once controversial, the Pasadena Airform is now recognized by scholars and critics as one of Neff’s most forward-thinking works: a passionate, deeply optimistic home, and perhaps the clearest expression of the architect’s belief that innovation, not nostalgia, would shape the future of domestic life.

And now, in 2026, it can be yours.

Set on an approximately 9,000-square-foot corner lot, the two-bedroom dome residence is a compact masterpiece of organic geometry and postwar experimentation.

Beneath the curved concrete shell, a semicircular living room gathers around a central fireplace, connecting fluidly to the kitchen and bath in a plan that feels both futuristic and deeply intuitive.

More sculpture than conventional house, the structure reflects architect Wallace Neff’s conviction that modern housing could be efficient, resilient, and incredibly beautiful.

Two garden patios, one nestled between the dome and studio and another just outside the residence, soften the monolithic forms with moments of privacy and calm.

This one-of-a-kind property also includes a detached studio of more than 1,000 square feet, currently configured with an expansive open gathering space, separate bedroom, and full bathroom.

Submitted ADU plans are in process with the city.

And, allegedly tucked roughly 15 feet below the studio is a rare Airform-built bomb shelter dating to the 1960s, an extraordinary surviving artifact of Cold War-era design and engineering. Sadly, no photos of the bomb shelter were included in the listing.

Fusing aerospace thinking with domestic architecture at the dawn of the postwar era, the home arrives with major Mills Act savings and Historic Cultural Landmark potential.

The expansive, nearly 9,000 square foot property is private and gated, so architecture aficionados will have to admire the home from afar. Today, the Bubble House (sometimes referred to as the Balloon House or the Andrew Neff House) stands as one of the most singular residential preservation pieces in the country, where futurist ambition and sculptural design converge in a remarkably livable form.

Interested in purchasing this fantastic home? I would love to get you a private tour of 1097 S Los Robles Avenue in Pasadena. Call me today at (323) 697-3040 or email me at jacqueline.tager@sothebyshomes.com.

Listing provided courtesy of George Penner, Compass.

Jacqueline Tager | DRE# 1476997
jacqueline.tager@sothebyshomes.com | (323) 697-3040
Sotheby’s International Realty – Los Feliz Brokerage
1801 N Hillhurst Avenue Los Angeles, CA 90027

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