California dominates Realtor.com's top 10 list of most expensive U.S. ZIP codes

Looking for a luxury estate in the U.S.? Realtor.com says it'll cost you at least $5.5 million just to enter the country's most exclusive enclaves

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A million dollars doesn't go as far as it used to — especially in America's most exclusive enclaves. In the country's priciest neighborhoods, seven figures won't get you through the door. Eight figures might.

The entry point to crack this list now sits at $5.5 million, according to Realtor.com senior economist Anthony Smith. That's roughly five times the broader luxury market threshold of $1.2 million.

Realtor.com identified the 10 most expensive communities in the U.S. by analyzing areas with at least 30 active listings in January 2026. The result is a map of extreme wealth concentration, from the sun-drenched California hillsides to horse country in the Hamptons.

California dominates the ranking, claiming six of the top 10 spots. The state's grip on luxury real estate is a consequence of limited coastal supply, constrained regulation, and persistent global demand from finance and tech wealth. Florida and New York each claim two spots, while Arizona makes a debut appearance.

Malibu is conspicuous in its absence from the top 10. Last year's deadly wildfires cooled buyer interest by 46%, with more listings representing land or rebuild opportunities rather than move-in ready estates. That's a meaningful distinction for buyers at this level.

1. Newport Coast, Calif.

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Median list price: $12.5 million | Median sq. ft.: 5,552

Newport Coast dethroned Fisher Island as America's most expensive ZIP code in January 2026. Situated between Corona del Mar and Laguna Beach in Orange County, the master-planned enclave — sometimes called the "Pacific Riviera" — features private hillside estates with sweeping Pacific Ocean views. Residents have access to the Pelican Hill Golf Club alongside high-end dining and retail.

2. Fisher Island, Fla.

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Median list price: $11.98 million | Median sq. ft.: 3,790

Fisher Island's fall to second reflects the market's inherent limitations more than any softening in demand. The 216-acre island off the southern tip of Miami Beach is so small and low-turnover that a handful of trophy sales can swing the median meaningfully. The buyer pool skews toward entrepreneurs, finance executives, and globally mobile investors who prize the island's privacy and close access to Miami's expanding financial ecosystem.

3. Beverly Hills, Calif.

Median list price: $10.495 million | Median sq. ft.: 5,500

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The most recognizable ZIP code on the list, 90210, remains synonymous with celebrity culture and Hollywood wealth. Palm-tree-lined streets give way to ultra-luxury mansions housing A-list entertainers and industry executives, all within a short drive of Rodeo Drive's designer boutiques. Its cultural cachet is unmatched, even within this rarefied peer group.

4. Bridgehampton, N.Y.

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Median list price: $8.8 million | Median sq. ft.: 4,874

Bridgehampton is the Hamptons' horse country, internationally recognized as the home of the annual Hampton Classic Horse Show. The hamlet blends sophisticated rural character with modern architecture and upscale amenities, drawing wealthy buyers who want proximity to New York City without its density or pace.

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Median list price: $7.947 million | Median sq. ft.: 5,094

Bel-Air forms one corner of Los Angeles' "Platinum Triangle" alongside Beverly Hills and Holmby Hills, and has long been a refuge for actors, executives, and business tycoons demanding privacy behind guarded gates. Its reputation for security and seclusion, set against hillside views of the city below, keeps demand consistently elevated among the ultra-wealthy.

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Median list price: $6.995 million | Median sq. ft.: 5,821

Water Mill is another Hamptons hamlet — quieter than its neighbors but no less expensive. The community, whose name traces back to Long Island's first water-power grist mill from 1644, combines large oceanfront estates with a genuine arts scene anchored by the Parrish Art Museum. Among its peer group, it offers the largest median square footage on the list.

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Median list price: $6.495 million | Median sq. ft.: 3,611

Montecito operates as its own micro-market, Dina Landi, managing partner at Riskin Partners Estate Group, tells Realtor.com. Home to Oprah Winfrey, Prince Harry, and Meghan Markle, among others, the Santa Barbara enclave combines mountain-to-ocean topography with strict regulatory limits that make new supply nearly impossible to create. Landi says pricing at the upper end is driven more by wealth cycles and buyer confidence than by interest rates — a distinction that insulates the market from the volatility affecting broader California real estate.

8. Rancho Santa Fe, Calif.

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Median list price: $5.995 million | Median sq. ft.: 6,000

Rancho Santa Fe, located about 30 minutes north of downtown San Diego, offers the largest median home size on the entire list. Minimum lot sizes of two acres, flanked by rows of eucalyptus trees, create an atmosphere of deliberate seclusion in the 10-square-mile zone called "The Covenant." Equestrian estates and Spanish revival and Mediterranean-style mansions make it feel less like a suburb and more like a world apart.

9. Newport Beach, Calif.

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Median list price: $5.995 million | Median sq. ft.: 3,058

Newport Beach is a new addition to the top 10, offering something its ultra-exclusive neighbors do not: a pulse. Eight miles of sandy beaches, one of the world's largest recreational boat harbors, and a thriving dining and retail scene at Fashion Island give the community an active, outdoors-oriented energy that appeals to a somewhat younger buyer profile within the luxury tier.

10. Paradise Valley, Ariz.

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Median list price: $5.5 million | Median sq. ft.: 5,784

Paradise Valley is another new entrant to the ranking and, at $5.5 million median, its most affordable member. Tucked between Phoenix and Scottsdale in the Sonoran Desert, it is drawing wealthy buyers seeking space, privacy, and dramatic mountain views without the premiums attached to coastal California. World-class spas, golf courses, and fine dining round out an amenity package that punches well above the market's entry price.

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