Luxury Properties on the Frontline: Sotheby’s Concierge Auctions, September Collection

With a portfolio as curated as a Sotheby’s catalogue, Concierge Auctions brings the same sense of prestige and provenance to the stage of luxury real estate. The upcoming September Collection follows the same note, with a premier showcase of homes across the United States, selected for their distinctive design, rare settings, and investment appeal. Backed by centuries of heritage and global reach, the platform continues to redefine how prime and super prime property is marketed and sold, combining innovation with tradition and results that speak for themselves.

For sellers, the benefit lies in access to an impressive network of ultra-high-net-worth individuals and availing a process that is both strategic and beautifully executed. For buyers, it’s the chance to secure a truly exceptional property, guided by the same principles that have made Sotheby’s name a byword for luxury and excellence.

 

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The Real Estate American Dream

No conversation about Sotheby’s reign in the luxury world would be complete without acknowledging the legacy of its Concierge Auctions. Known for record-breaking sales and world-class listings, the platform’s spotlight this month turns to the United States, where vast private estates are brought to market – each one an exemplar of scale, seclusion, and value.

Running until the end of September, the sale presents more than beautiful homes – it’s a rare opportunity to invest in truly distinguished real estate through competitive bidding, market intelligence, and Sotheby’s signature curation. Each listing is a masterstroke of luxury, offered with a level of access and transparency unique to the Concierge Auctions model. For those who value provenance, discretion, and exceptional assets, this is where opportunity lies, ready to be capitalised on.

 

Pikesville, Baltimore Area, Maryland

A rare and unmissable proposition, this vast custom-built residence in Pikesville offers over 32,000 sq ft of interior space across 3.5 acres of private, landscaped grounds. Built in all brick and structurally complete, the estate presents a unique opportunity to finish one of Maryland’s most substantial private homes to personal specification and individual taste.

Designed with multigenerational living in mind, the layout combines generous scale with thoughtful flow across 10 bedrooms and 17 bathrooms, alongside a self-contained one-bedroom apartment ideal for guests or live-in staff. Flooded with natural light, the open-plan design awaits fresh, tailored finishes, allowing new homeowners to take over and imprint their vision on a grand architectural framework.

All major systems – heating, cooling, plumbing, electrical, water, and septic – are already in place, and a kitchen is ready to be configured. The surrounding grounds offer ample room for outdoor entertaining, with space for landscaped gardens and hosting grounds.

Set within the exclusive Anton North enclave, the property is just minutes from Baltimore’s Inner Harbor and within easy reach of BWI Airport. Listed at $5.9 million, it represents a powerful combination of infrastructure and creative potential – an open canvas for buyers seeking privacy and long-term value in one of Maryland’s most coveted postcodes.

Ramona, Near San Diego, California

A bold proposition in self-sufficiency and scale, the estate is built on rare infrastructure to enable seamless private arrivals via a heliport and deliver complete autonomy without compromise. Centred on aviation features, the home comes with a dedicated hangar, a fully equipped machine shop, and a pilot’s lounge.

A private compound where luxury and complete seclusion complement each other, this two-storey off-grid sanctuary is set on 40 pristine acres within the Cleveland National Forest, served by the most awe-inspiring panoramic views across the canyon and mountains. Aptly called Cloud Ridge Estate, the four-bedroom luxury retreat is equipped with a private heliport ready to operate ten-minute flights to San Diego Airport.

Cloud Ridge is a striking expression of rustic-modern elegance, where expansive interiors meet the great outdoors in perfect style and symmetry. Set against a dramatic natural backdrop near San Diego, the residence flows effortlessly across light-filled spaces framed by beamed ceilings, French doors, and a layout tailored for entertaining or private retreat.

The gourmet kitchen, equipped with a generous island, walk-in pantry and top-quality appliances, connects with the family room and leads out onto the terrace. Beyond a 75-foot heated infinity pool, firepit, spa and fully equipped outdoor kitchen anchor the grounds, alongside a shooting range, private hiking and riding trails, and a lake. A vineyard-ready plot and a structurally graded pad offer potential for further development.

Entirely self-sufficient, the estate is powered by a 20KW solar array supported by ten Tesla Powerwalls. Two private wells ensure independent water supply, and ductless systems manage the heating and cooling. A three-car garage and ample open parking complete the offering.

A true sanctuary with an independent spirit, Cloud Ridge Estate is listed at $4.95 million.

Kauai, Hawaii, United States

This oceanfront parcel brings the area’s untamed beauty on full display, with arresting views sweeping from the Pacific to Ninini Point Lighthouse and the coastal path skirting the entire plot.

Set on 8.6 acres of elevated bluff-top land, this exceptional plot offers endless ocean views by day and sweeping mountain sunsets by night. Positioned at the end of a quiet cul-de-sac within the private, gated enclave of Kealia Kai, the lot is zoned for development and primed for transformation into a world-class estate or agricultural retreat, complete with guest accommodation. Listed at $6.499 million, it offers a rare opportunity to reimagine it with a bold vision in one of Hawaii’s most celebrated natural settings.

The location offers a rare sense of seclusion without compromising on access, just 20 minutes from Lihu‘e Airport. Nature is your nearest neighbour, with the Ke Ala Hele Makalae coastal path connecting directly to Kealia Beach, Donkey Beach, and the charming town of Kapaa. Whether it’s surfing, whale-watching, or simply soaking in the stillness, this is a place that invites a slower, more grounded pace.

For those seeking a retreat with potential, few offerings rival Kauai in Hawaii.

 

A Leader in the Prime Real Estate Auction Space

An unmistakable presence on the global stage of prime and super prime properties, Sotheby’s Concierge Auctions is a firm leader in the luxury real estate auction space.

Each property receives expert local insight, global exposure, and a tailored strategy designed to convert bidders into buyers. Whether you're seeking a vineyard-ready haven in California or a mountain retreat near San Diego, the Sotheby’s Concierge model makes it easier to find the right property by blending traditional brokerage with the tangible energy of a competitive auction platform. This is where intent meets action and ambition turns into ownership, eventually.