luxury architect houses for sale Cos Cob, United States

Set along prestigious Round Hill Road in backcountry Greenwich, this new construction estate offers a rare opportunity to create a modern country retreat of exceptional scale and refinement. At approximately 14,000 +/- SF with 7 bedrooms, the residence blends classic Greenwich architecture with a more contemporary sense of light, glass, and indoor-outdoor living. Plans include gracious formal and informal living spaces, a dramatic entry, private library, expansive kitchen, first-floor guest suite, elevator, and finished walkout lower level with golf simulator, wet bar, wellness gym, and cold plunge. Outdoor amenities include terraced landscaping, stone walls, a 20x40 pool with integrated spa, and a separate pool house with kitchenette, bath, and fireplace. Unique opportunity to customize select finishes and layout while in current stage. Renderings, plans, specifications, and features subject to change. A singular offering for those seeking a generational Greenwich estate with privacy, provenance, and architectural permanence. Merrit to Round Hill Road

Experience contemporary elegance in this custom-built home by award winning local architect. This breathtaking 7-bedroom, 7.5-bathroom masterpiece is nestled in the heart of the prestigious Orienta Waterfront community in Mamaroneck. The first floor boasts high ceilings and exceptional details that evoke Europe within the kitchen, living room, 3-car garage, front and back deck, and 3 bedrooms. The second floor features an upscale primary suite with spa-like bathroom along with 3 other potential bedrooms, a den and a south facing terrace with a harbor view. Enhanced outdoor living experience with a private landscaped backyard, a fully equipped kitchen with the option to add a pool for ultimate relaxation. This home embodies luxurious waterfront living, located just one block from two exclusive beach clubs offering pools, tennis courts, boating, and entertainment. All this just a short walk from the train station, putting you in the heart of Manhattan in just 35 minutes. Additional amenities include a home office, gym, soaking tub, radiant heating, central AC, security and sound system, and more. Embrace the European flair and upscale lifestyle this home offers. Don't miss out on this unique and rare gem of a home in Mamaroneck! This listing is courtesy of Compass*

Don't miss this once-in-a-generation opportunity to acquire a five-bedroom, four-bathroom architectural showplace featuring a sun-splashed single-level layout and room to grow on a 1.6-acre private poolside oasis in Scarsdale's desirable Heathcote estate district. Designed and built in 1950 by Edgar Tafel, Frank Lloyd Wright's long-time apprentice and protege, this midcentury modern masterpiece welcomes you inside with a gracious foyer including the natural materials — swaths of wood, stone tile and brick — integral to Wright’s iconic style. Ahead, a sun-splashed living room invites you to relax and entertain alongside a gorgeous brick fireplace and walls of windows framing wooded views. A cozy alcove wrapped in windows is perfect as a media lounge or reading nook. Across the living space, a large dining area features handsome built-ins and direct access to the spacious kitchen. Chefs will enjoy generous cabinetry, stainless steel appliances, leafy vistas, and a large breakfast nook. Past the kitchen, a utility area leads to the terracotta family room wrapped in oversized closets. Imagine the space as a rec room, playroom, fitness space or all of the above. Head to the beautifully arranged bedroom wing to find an expansive primary suite that opens to its own patio area overlooking the pool. The king-size primary bedroom is joined by an extra-large, custom walk-in closet and an en suite bathroom with a large tub/shower, double vanity and linen storage. Three spacious and bright secondary bedrooms with roomy closets share two more full bathrooms in this wing, while an oversized walk-in hall closet ensures storage will never be a concern. Off the family room, another bedroom and full bathroom are perfect for guests. Throughout the main-level living spaces, you’re tempted outside by a series of patios perfect for al fresco dining and entertaining overlooking lush lawns, planter beds and towering trees. The 44-foot-by-22-foot swimming pool, surrounded by a wide sundeck, is the perfect destination on hot summer days. Located down a long driveway and positioned alongside a greenbelt, the entire park-like property enjoys exceptional privacy and seclusion. A long driveway, motor court and attached two-car garage add plenty of off-street parking to this special home. Put your personal touch on this rare architectural gem and enjoy significant expansion potential in one of Scarsdale’s most coveted neighborhoods. While it feels worlds away, this Heathcote home is surrounded by country clubs, houses of worship, top-rated schools, and excellent shopping. Parkways and Metro-North trains provide easy access to New York City and beyond.

A Gold Coast Legacy Estate: Along the storied bluffs of Lloyd Harbor’s Gold Coast, where private drives wind through centuries-old trees and the water stretches endlessly toward the horizon, Fort Hill rises as one of the North Shore’s most iconic waterfront estates. Welcome to 31 Fort Hill Drive, 28,000 square feet of architectural gravitas set across 10 secluded acres, with 870 feet of private beachfront and a deep-water dock. From its elevated perch, panoramic views of the Long Island Sound unfold in every direction: sunrise mists, sailboats at golden hour, winter tides crashing below. The perspective is cinematic. The privacy absolute. Originally built in 1910 and masterfully restored to its original glory, this Victorian Revival masterpiece is both historic landmark and modern sanctuary. Thirteen bedrooms, ten full baths, and four half baths are artfully distributed throughout grandly scaled living spaces designed for legacy living and world-class entertaining. A luminous solarium captures the changing light of the Sound. A stately wood-paneled library offers quiet retreat. An exquisitely detailed ballroom: rare in scale and craftsmanship, stands ready for unforgettable evenings. Seven fireplaces, intricate millwork, and curated architectural detail evoke an era when homes were built not merely to inhabit, but to endure. The fully renovated gourmet kitchen anchors the residence with contemporary precision: integrating seamlessly into formal dining rooms and intimate gathering spaces. Staff quarters, a 16-car garage with guest apartment suites above, and flexible rooms for theater, wellness, or gallery use ensure the estate functions as effortlessly as it impresses. Outdoors, three acres of curated formal gardens and a greenhouse create a private botanical world: lush lawns, sweeping terraces, and moments of serene seclusion. A squash court, expansive grounds, and private shoreline complete a compound that is as rare as it is commanding. Set within moments to Huntington Village and the train to Manhattan, Fort Hill is not simply a home. It is a generational estate - where American history, architectural pedigree, and natural beauty converge. By appointment only.

Welcome to a truly exceptional New Canaan architectural masterpiece built in 2004, nestled on a majestic private lane occupied by only 6 estates, enveloped by serene forests and 48 acres of reservoir conservancy. This picturesque estate offers a tranquil escape and sense of openness with intricate millwork and wainscoting adorning every corner, 9 to 12-foot ceilings on every level and sun-drenched spaces throughout. Spanning over 11,000 square feet(+4000 SF LL) with 6 bedrooms, 7.2 baths on 4.7 acres with room to add a custom pool, go inside to discover a seamless blend of ultimate privacy and modern luxuries throughout 4 finished levels. Immerse yourself in the serenity just 5 minutes to downtown New Canaan and an hour to NYC, where luxury and tranquility converge in perfect harmony.

Exciting all new construction by highly regarded local builder, Tavo Development, along with noted architect Teo Siguenza, aiming for a Fall 2026 completion. This refined, 5,712 sq ft Colonial blends classic architecture with sophisticated modern living. The light-filled main level, with 10’ ceilings, offers a seamless open floorplan featuring a chef’s kitchen with island and service pantry, breakfast room with terrace access, formal dining room, private library, and an inviting family room with fireplace. A dramatic two-story entry foyer, generous mudroom with laundry, and attached 3-car garage complete the level. Upstairs, the luxurious primary suite is a true retreat, highlighted by a vaulted ceiling, fireplace, dressing room with island, and a spa-inspired dual bath with soaking tub and oversized shower with separate entries. Three additional ensuite bedrooms and a second laundry provide comfort and functionality. Nearly one acre of usable grounds, with town approved pool site, creates the ideal backdrop for the finest outdoor living. Next to 2026 new build by Tavo, in the Chappaqua school district. Convenient to town, schools, highways, and approximately 50 minutes to NYC. House has a 5 bedroom septic system.

Award winning and architecturally significant residence designed by KieranTimberlake and masterfully built by Prutting & Company, is a rare collectible work of modern architecture. Privately set, high on a knoll, encompassing 19.5 acres of dramatic granite outcroppings, forest and meadows, and bordered on two sides by approximately 40 acres of land conservancy, the home is seamlessly woven into its natural surroundings. A striking composition of glass, zinc-coated copper and stainless steel reflects the changing light and seasons, while soaring ceilings, gallery-like interiors, floating staircases and walls of glass blur the distinction between indoors and out. Designed with geothermal heating, exceptional energy efficiency, custom walnut millwork, an Eggersmann kitchen, a 2,400-bottle wine cellar, outdoor kitchen and professionally engineered media room, every element reflects uncompromising craftsmanship and innovation. Published internationally, this is more than a luxury residence, it is a once-in-a-generation architectural masterpiece offering exceptional privacy, timeless design and enduring legacy.

Designed by Vuko Tashkovich, one of Westchester's defining modernist architects, this home is privately sited on over 3 acres, offering 7,500+ square feet across three finished levels. Artfully refined while retaining the character of its original design, the home is defined by long horizontal lines, cylindrical forms, clerestory windows and walls of glass that connect the interiors to the surrounding landscape. A gallery-like entry introduces expansive, light-filled rooms with built-ins, tile work and exquisitely restored herringbone floors. The spacious living room is anchored by a stone fireplace, custom bookcase wall, and wet bar, with an adjoining sitting area that opens onto the broad outdoor terrace. The dining room with floor-to-ceiling windows and kitchen with attached breakfast room overlook the lush grounds, specimen trees and newly poured gunite pool with spa. Four bedrooms on the upper level include a spacious primary suite with fireplace, bath and private terrace. Additionally, the ease of single-level living is available with a desirable first-floor primary suite option. The finished lower level adds a newly completed gym, full bath and flexible recreation or office space. This private modernist retreat combines architectural character with modern livability. 50 miles to NYC.

Nestled within Roslyn's historic Sinclair Martin enclave, this exceptional residence offers a rare blend of timeless architectural character and sophisticated modern living. Extensively expanded and completely reimagined in 2020, this turnkey home showcases exceptional craftsmanship, designer finishes, and a level of quality rarely found in today's market. A beautifully landscaped approach, framed by impressive stonework and mature plantings, sets the tone for what awaits inside. The welcoming foyer introduces a thoughtfully curated interior where custom millwork, elegant moldings, coffered ceilings, bay windows, and rich architectural details create an atmosphere of warmth and refinement throughout. At the center of the home, a stunning chef's kitchen serves as both a showpiece and gathering place. Designed for everyday living and effortless entertaining, it features a 10 foot center island, Sub Zero refrigerator, Wolf six burner range with grill, Wolf convection microwave, dual sinks, custom cabinetry, and seamless sight lines into the adjoining family room. Bathed in natural light, the family room offers a custom wet bar, integrated Sonos sound system, contemporary fireplace, and direct access to the backyard, creating a natural connection between indoor and outdoor living. The formal dining room provides an elegant setting for entertaining with its coffered ceiling, bay window, custom millwork, and wood burning fireplace. A first floor bedroom and beautifully appointed full bath with radiant heated floors offer exceptional flexibility for guests, extended family, or a private home office. Upstairs, the primary suite serves as a private retreat complete with custom built in closets, tray ceiling, motorized shades, dedicated Daikin climate system, and a spa inspired bath with radiant heated floors and premium fixtures. Two additional bedrooms, another beautifully renovated full bath, and access to a full stand up attic complete the second level. The finished lower level offers additional living space with a gym, office, bonus room, custom storage solutions, and a separate heating zone. Every major component of the home has been thoughtfully upgraded, including Pella Architectural Series windows, a DaVinci slate roof with lifetime warranty, stucco exterior with custom Azek trim, updated mechanical systems, Nest thermostats, EV ready garage, central station monitored security system, and app controlled surveillance cameras. The outdoor living experience is equally impressive. Professionally designed landscaping, bluestone patios, natural gas outdoor kitchen, irrigation system, maintenance free turf, architectural stonework, and dramatic landscape lighting create a private backyard retreat that is as inviting for quiet evenings as it is for large scale entertaining. Located within the Roslyn School District. This property offers approximately 2,780 square feet of impeccably finished living space, this exceptional home presents a rare opportunity to enjoy luxury, comfort, and craftsmanship.

To-be-built custom home offering modern design, thoughtful layout, and exceptional living space. This spacious residence features an open-concept floor plan with a dramatic two-story living room, gourmet kitchen with pantry, and seamless flow to the rear porch perfect for indoor/outdoor entertaining. The main level includes a desirable first-floor primary bedroom suite with walk-in closet and private bath, plus formal dining room and welcoming foyer. The second level offers additional generously sized bedrooms, multiple baths, and open views to the living area below, creating a bright and airy feel throughout. Designed with today's lifestyle in mind, this home combines comfort, functionally, and timeless curb appeal. Conveniently located near shopping, dining, major highways and local amenities. Buyer may have opportunity to customize finishes. Photos have been virtually generated.