luxury houses for sale Cos Cob, United States

Brand new construction in Cos Cob features four finished levels and an abundance of natural light. The main level offers an inviting open-concept kitchen, breakfast area, and family room, leading to a private deck and backyard, extending the living space outdoors. Glass walls along the staircase create a striking architectural detail while allowing light to flow through the home. The luxurious primary suite features a spa-like bath and custom walk-in closet with beautifully designed built-ins. Two additional bedrooms and a full bath complete the second level, with an optional connection for a stackable washer and dryer in the hall closet. The third floor offers a spacious bedroom, full bath, and versatile bonus space ideal for a playroom or office. The finished lower level provides a private office with custom cabinetry, second family room with wet bar, and full bath. Finished carport accommodates one car and would make a great party room. Set on a residential street, the property offers an ideal balance of privacy and convenience, with an easy route to North Mianus and Eastern schools, local shops, restaurants, parks, and the train station.

Tucked at the end of a private road in Cos Cob, this newly built (2025) Louis Contadino-designed home offers a layout rarely available in central Greenwich at this price point: sophisticated single-level main-floor living over a fully finished walk-out lower level, all on a private 0.34-acre setting. The main floor delivers four bedrooms -- three with private en-suite full baths, including a primary suite with soaking tub, double vanity, and heated floors. The chef's kitchen features Sub-Zero and Wolf appliances, custom cabinetry, marble counters and backsplash, a white oak island, and a walk-in pantry, all opening to a light-filled great room and formal dining. Wide-plank white oak flooring runs throughout. Below, a generous family room with full bath and direct yard access expands the home for guests, entertaining, or future flexibility. Approximately 3,500 square feet of finished living space in total, with available FAR for roughly 1,000 square feet of additional expansion if desired. Outside, extensive stonework frames the entry, terrace, and grounds, with four-zone HVAC and EV charging completing a thoughtful modern build. Set high above a quiet private road yet minutes from the village, train, and I-95, the property offers the privacy of an estate in a location that keeps you fully connected to Greenwich. Vision, design, and execution complete -- a finished home, ready to move into.

Modern Sophistication Meets Suburban Serenity in Westover - Tucked away on a tranquil cul-de-sac, this recently built architectural gem offers a masterclass in modern living, blending refined elegance with the vibrant energy of nearby downtown Stamford. The residence unfolds through a dramatic two-story foyer into a sun-drenched, open-concept sanctuary, where a chef-inspired kitchen-adorned with pristine white cabinetry and expansive granite surfaces-flows effortlessly into a fireside living room and adjacent sunroom with French doors leading outside. The outdoor experience is truly peerless, featuring a resort-style saltwater pool with waterfall, a professional-grade basketball/sports court, and a sprawling bluestone patio framed by artisanal rock walls and secure perimeter fencing. With a high-efficiency infrastructure, vast expansion potential in the walk-out basement, and a commute to Manhattan in under an hour, this property represents a rare opportunity to enjoy "like-new" luxury and a private backyard oasis without the wait.

We are requesting that all offers be presented by 5pm, Sunday, July 26. Exceptional Opportunity in Old Greenwich! Rarely does a flat, build-ready lot with mature landscaping become available in one of Old Greenwich's most sought-after neighborhoods. Whether you choose to renovate, expand, or build a spectacular custom home, this exceptional property offers endless possibilities. The existing 3-bedroom, 2-bath Ranch is set on a beautifully level .41-acre lot in the R-12 zone, offering a rare opportunity to create your dream home in a premier location. Set within the highly desirable North Mianus School District and just minutes from schools, parks, Old Greenwich Village, Metro-North, shopping, dining, and Tod's Point.

Classic 1960 split-level home offering comfortable living spaces and a versatile floor plan. The sun-filled living room features a charming bay window, while the generously sized kitchen with dining area opens directly to an outdoor terrace, ideal for dining and entertaining. Four bedrooms, two full baths and a spacious family room provide flexibility for today's lifestyle. Set on a .20-acre property in the R-7 zone, this home presents a wonderful opportunity to move right in, renovate or build new, with exciting possibilities for expansion, subject to town approvals. The property is being sold 'As Is''.

Beautifully picturesque, a long, shared drive leads to the 1920 stone manor sitting high on park-like grounds bordered by 29 acres of wooded conservation land. Renovated and expanded, this warmly inviting residence offers 10,664± square feet with six bedrooms, six full and two half baths, plus eight fireplaces. Above the three-bay detached garage is a renovated two-bedroom, 903-square-foot apartment with full kitchen and laundry. Leafy views from every room overlook the enchanting landscape. There is a pool with spa, fenced vegetable garden and fenced chicken coop. With so many aspects of special distinction, this is a wonderfully unique compound that captures the feel of the English countryside in a tranquil mid-country location. Includes legally permitted medical office.

MOVE RIGHT IN-Bellavista is a 16,000+sf estate designed by architect Anthony Minichetti, comprised of 9 bedrooms, 9 full baths, and 4 half baths, set on 2.93 private elevated acres within Greenwich's elite Golden Triangle. Commanding panoramic views over one of Greenwich's historic Country Club golf courses, plus distance Long Island Sound views. A truly sophisticated modern lifestyle.The residence is distinguished by its extensive integration of advanced technology systems, seamlessly embedded throughout the home. Smart-home infrastructure (lighting, climate, security,and entertainment).State-of-the-art environmental and wellness technologies (air, water, energy efficiency, and comfort). Attached 2 car garage + 5 car carriage house w lifts. 45'x20' pool Features: Full house generator. Venetian plaster walls, bleached white oak and porcelain floors throughout, radiant heated floors (including garage), self cleaning glass beaded stucco exterior with composite slate roof, imported windows/doors and stone, and expansive property for sports and entertaining. Pet grooming room with separate laundry. Chef's kitchen and additional family kitchen. Separate staff quarters. Plans available for an additional indoor pool and underground parking garage for 8 more vehicles with a car elevator.

Serene & Private Escape. With a trending modern sensibility, this light-filled residence showcases oversized windows and doors, and soaring ceilings throughout the home. Designed for one-level living, the layout features 3 bedrooms, 2.5 baths with more potential, and a generous primary overlooking tranquil woodland views. A fireplace anchors the living room, while a sun-drenched south-facing kitchen and dining room, along with a gracious reception hall, create a nice open flow for living and entertaining. Set along a private lane just minutes from schools, shops, downtown Greenwich, and NYC express trains. Extras: Central AC, town water, and a 2-car garage. There is the ability to expand the bedroom count to 4; possibly more.

Historically known as ''Electric Hill,'' this extraordinary estate occupies one of the highest points in Mid-Country Greenwich, commanding year-round views of Long Island Sound across the treetops. Once part of a larger estate owned by Edward H. Johnson, Thomas Edison's associate and a pioneer in residential electrification, the property pairs a storied legacy with timeless architecture. Designed by renowned architect Mark Finlay and custom built by Hobbs, this stone Georgian stands as a testament to exceptional quality and enduring design. Set on more than five acres less than two miles from downtown Greenwich, the 12,000-square-foot residence offers rare privacy in one of Greenwich's most coveted locations. Crafted with meticulous attention to detail, the home features a hand-laid stone exterior, slate roof, limestone detailing, antique wood floors, custom millwork, and soaring ceilings throughout. Grand yet inviting, the interiors are defined by abundant natural light and beautifully proportioned living spaces, all thoughtfully oriented to maximize the home's southern exposure and sweeping views of Long Island Sound. The expansive chef's kitchen is designed for both everyday living and effortless entertaining, with a breakfast area overlooking the property. The dramatic family room showcases reclaimed wood beams spanning the cathedral ceiling, while a walnut-paneled, coffered library conceals a secret bookcase leading to a private home office known as the "Oval Office." Five generously sized en-suite bedrooms include a gracious first-floor guest suite and an elegant primary suite featuring dual walk-in dressing rooms and a private balcony offering the home's most spectacular view. The walk-out lower level is designed for recreation and entertaining, featuring a billiards room, media lounge, striking double-sided bar, home gym, and a climate-controlled 2,800-bottle wine cellar. Designed to embrace its remarkable setting, expansive bluestone terraces overlook formal gardens, sweeping lawns, and mature specimen trees, including a centuries-old beech tree. A gunite swimming pool and separate spa are complemented by a stone pool house crowned by a distinctive bell-cast pavilion roof, complete with a kitchenette and powder room. Together, these outdoor living spaces provide an ideal setting for indoor-outdoor entertaining with Long Island Sound as the backdrop. Few properties combine such extraordinary views, architectural pedigree, exceptional craftsmanship, and privacy just minutes from downtown Greenwich. Electric Hill represents one of Greenwich's most significant and irreplaceable estate offerings.

A Rare Westover Opportunity: Two Lots Offered Together -- Set on three private acres in sought-after Westover, this five-bedroom residence offers privacy, generous living spaces, and expansive water views. The property includes two lots being sold together, creating an exceptional opportunity for added space and possibilities. Enjoy desirable main-level living with expansive glass walls framing pond views and welcoming southern light. The formal living and dining rooms feature hardwood floors and a stone fireplace. The skylit kitchen offers granite countertops, while the family room features Spanish tile flooring, a second fireplace, and sliders to the deck and pool. The main-level primary suite features water views, dual bathrooms, generous closets, and a sauna. Two additional main-level bedrooms provide flexibility, along with a wood-paneled office with custom built-ins. Upstairs, two more bedrooms and a bonus room offer additional possibilities. Outdoor features include a stone patio, in-ground pool, and detached pool house with changing rooms, a full bath, kitchen facilities, and a seating area overlooking the grounds. The adjoining lot offers additional space for outdoor enjoyment, gardens, or future possibilities. A generator and abundant storage complete this distinctive offering, combining a special natural setting and versatile living spaces. House is being sold as-is.

Walk to town, the train, Binney Park and the beach. Come home to a private gated yard. The major work is already done. Located on a quiet lane in Old Greenwich, this recently renovated 5 bedroom residence situated far back off road on a .32 acre level lot was recently updated with 3 1/2 new bathrooms. Main Level: Living room, Dining room, Powder room and Eat-in Kitchen with updated appliances. 2nd Level: Primary Bedroom w/new Luxury bath and 3 additional Bedrooms with Hall Bath. Walkout Garden Level: large family room w/fireplace, a 5th bedroom w/new bath, new laundry room, gym, storage room and access to garage w/ electric car charger. Fenced in backyard is totally redesigned w/level lawn, specimen trees boarding perimenter for privacy and large terrace for outdoor enjoyment.

An extraordinary newly constructed residence in the heart of Greenwich, Seven Parsonage Road is a masterfully crafted white brick manor on 1.12 acres, defined by timeless elegance and modern sophistication. Spanning four expansive light filled levels served by an elevator, this six-bedroom, six full and two half-bathroom home offers over 10,200+/- square feet of meticulously designed living space. Inside, soaring ceilings and stylish lighting illuminate refined interiors, including a dramatic great room with vaulted ceiling and fireplace, formal living and dining rooms. The chef’s kitchen appointed with custom cabinetry with walnut interiors and Sub-Zero Designer Series appliances is complimented by a Butler’s Pantry with wet bar. A generous mudroom with washer and dryer in addition to informal and formal powder rooms complete this level. A floating glass staircase rises through the home, connecting to the upper levels where the primary suite dazzles with a fireplace, coffee bar, spa-like marble bathroom with radiant heated floor, steam shower, soaking tub and two water closets plus two boutique-style dressing rooms. Three additional ensuite bedrooms on this level, each with custom closets and rich hardwood floors- as well as an oversized laundry room with built in drying racks. A second-floor covered deck overlooks the rear of the property for easy enjoyment. The third floor houses a fifth ensuite bedroom, a flexible room for an office or sixth bedroom, large walk-in cedar closet, and a coffee bar with refrigerator. Lower-level amenities include high ceilings with a floor plan designed for entertaining. A gym prewired for a golf simulator with 11-foot ceilings, custom humidity-controlled wine room, home office with built-ins, full bathroom with heated floor, and a lower-level great room with full bar are complimented by ample storage spaces. Outdoor living is equally impressive with a new heated 20x40 pool with auto cover with 2 ft coping and smart controls. Two covered terraces with infrared heaters plus the second-floor covered deck overlook the manicured grounds with 100 14-16 ft Arborvitae Trees enclosed by a 300-ft stone wall and motorized gates. A permeable paver motor court accommodates 12+ vehicles behind the gates plus a 3-car heated garage. Whole-house generator and property wide sprinkler system. Every detail—from the slab marble finishes to integrated smart home systems—has been thoughtfully curated for the most discerning buyer. A rare opportunity for luxury, privacy, and proximity to downtown Greenwich.

Rare waterfront acreage meets quintessential Greenwich elegance. Perfectly situated on a quiet, secluded dead-end street in prestigious lower Mid-Country, this gated 3.7+ acre property reveals a storybook landscape complete with stone walls, sweeping level grounds, and a scenic pond with a footbridge leading to your own private island. The property presents two compelling paths: reside in the beautifully updated five-bedroom, five-bath, two-story home that anchors the estate, or capitalize on approved septic, perc, and wetlands plans to design a bespoke architectural showpiece. With town water, gas, and electric already connected, and downtown Greenwich, top schools, and transit just moments away, this is a turnkey opportunity to live in complete tranquility now or build without delay.

Experience refined luxury in this expansive Westover residence, privately nestled at the end of a tranquil drive and moments from premier schools, major highways, transportation, and the exceptional amenities of Stamford and Greenwich. Surrounded by lush, mature landscaping with access to the beauty of Mianus River Park, this move-in-ready home offers a rare blend of privacy, sophistication, and convenience. Designed for elegant entertaining and effortless everyday living, the residence features a gourmet chef's kitchen with an exquisite butler's pantry flowing seamlessly into gracious open-concept living spaces. French doors open to an expansive west-facing deck, perfectly positioned for spectacular sunset views, while a sun-drenched patio just off the kitchen creates a seamless indoor-outdoor lifestyle. The luxurious main-level primary suite offers exceptional privacy and scale, with dual walk-in closets and a spa-inspired bath featuring a Jacuzzi tub. Upstairs, four generously sized bedrooms include two en-suite bedrooms and two sharing a bath. The extraordinary walk-out lower level provides a private en-suite guest suite, spacious office, and expansive recreation room anchored by a dramatic stone fireplace. Thoughtfully curated throughout, this exceptional residence delivers timeless elegance, comfort, and privacy in a coveted Westover setting.

Owner occupied for the past 50+ years. Front and rear entry for both units. Large eat in kitchens and large living rooms in both units. Kitchens each have access to covered decks with steps to the rear yard. First floor unit is owner occupied and has 2 bedrooms and one bath. Second floor unit has been occupied by the same tenant for 30+ years and has two bedrooms and one bath. Full basement with hatchway door. Baseboard and radiators fueled by oil, one boiler with two zones, one HWH, two electrical meters. Gas line to house for gas stove in first floor unit only. Long driveway and carport for good off street parking in rear of house. Level rear yard.

Unlock the potential of this diamond in the rough in this PRIME Riverside location! Spacious and sun-filled 4 bedroom home overlooking Binney Park. Living room with fireplace, eat-in-kitchen, large family room adjacent to kitchen. Sun-room overlooks the generous slate patio and fenced-in yard. Three bedrooms on the first floor, with Primary suite on the second floor. Huge family room in the walkout lower level with fireplace and bathroom. Close to everything....schools, train, stores and Perot Library. The plot is .38 of an acre, 16,553 square feet- which offers an approximate FAR of 5,269 square feet. R-12 zoning . Due diligence at the discretion of the buyer. Home being sold as-is.

Beautifully maintained colonial. Nestled quietly along a cherished & highly sought after peaceful in-town cul de sac between Sachem Lane Nature Preserve & Loughlin Park - a commuter's dream.

An extraordinary opportunity to build new, update, or fully restore. Set in an exceptionally desirable, central Greenwich neighborhood, this property rests on a quiet, safe, no-through lane. This is a rare verdant street set in a serene backdrop with a nature preserve directly across the property. Loughlin Park around the corner, Cos Cob Park down the street and Bruce Park nearby. Location offers unmatched convenience--less than two blocks to the train, shops, local dining, and other amenities. Built in 1970, it has had a single owner. Two tiered wood deck and outdoor brick fireplace. 2 car garage. Public gas is connected. This versatile offering is also cross-listed as land. Allowable Floor Area Ratio +/- 3,294 SF

Direct waterfront with dock. This is one of the most stunning water views in Greenwich. a rare combination of both south and western exposures that provides views all the way to Long Island but also fabulous afternoon light and evening sunsets. Add to that, the property is completely out of the flood-zone and has a highly functional dock. The house is a classic antique ''Captain's house'', which can be renovated/expanded or build new. Lot size = 24,402 sq.ft. so FAR calculation suggests around 5,500 sq.ft., plus additional 3rd floor square footage and full-basement square footage. Includes separate garage building. Wonderful neighborhood, off the beaten path, but extremely close to schools, train, and Yacht Club.

Completely reimagined and expanded to nearly twice its original footprint, this exceptional Riverside residence is the result of a meticulous gut renovation by Abode Interiors NYC, where sophisticated design meets effortless modern living. Graceful arches, soaring 9- and 10-foot cathedral ceilings, wide-plank Brazilian oak floors and a marble fireplace establish a refined architectural language, while all-new windows bathe the interiors in natural light. At the heart of the home, an Architectural Digest-worthy custom kitchen pairs Calacatta Gold marble, quartz countertops, Bosch appliances and bespoke millwork with an expansive eat-in peninsula. The adjoining dining area opens through dramatic 12-foot sliding doors to an oversized deck, creating a seamless connection between indoor and outdoor entertaining. A light-filled, lofted family room offers a striking second living space, while the privately positioned primary suite is a serene retreat with a custom-designed dressing room and spa-inspired bath featuring a freestanding soaking tub, oversized shower and double vanity. Five bedrooms thoughtfully arranged across separate levels provide exceptional privacy and flexibility. Outside, the expansive, level backyard is framed by mature lilacs, irises and hydrangeas, with established flower beds, a charming brick shed and generous deck for dining and entertaining. Virtually every element has been renewed, including Hardie siding, expanded paver driveway, dual-zone HVAC with Google Nest, tankless hot water, upgraded electrical, soundproofing, new systems and structural improvements, delivering truly turnkey living with the character and craftsmanship of a custom home. Ideally situated in coveted Riverside, just minutes from parks, shopping, dining and the charm of Old Greenwich.

Perched in timeless elegance atop an expansive 2.91-acre gated peninsula, with best-in-class views of the Manhattan skyline and the shimmering Long Island Sound, Cedar Cliff is a Mediterranean villa of unrivaled pedigree and commanding presence. Privately situated along a secluded road within Riverside’s prestigious Indian Head Association, this storied property occupies the historic grounds of railroad magnate Henry Francis Shoemaker’s former compound—a Gilded Age legacy that later served as the backdrop for the iconic Cedar Cliff Beach Club of the 1920s. The estate bears the name Shoemaker originally gave his villa, ‘Cedar Cliff’—a designation that eventually defined the very road on which it stands today. Elevated high above the flood zone and offering 1,250 +/- feet of direct water frontage, the property unfolds with extraordinary scale and privacy. A sweeping, manicured lawn rolls gracefully toward the shoreline, creating a striking foreground to the panoramic coastal vistas and an exceptional setting for grand-scale entertaining. Each of the eight oversized bedrooms is oriented to capture breathtaking water views, while interiors blend the romance of pre-war craftsmanship with modern refinement—soaring ceilings, intricate millwork, antique wood floors, a three-level elevator and a professional recording studio. The East Wing, constructed in the early 2000s, introduces a new dimension of contemporary luxury, anchored by a sophisticated primary suite and complemented by a custom office, wine cellar, and private theater capable of accommodating up to twenty guests. The grounds rival those of a world-class private resort. A substantial stone pier and deep-water dock provide immediate access to open water, while a seaside tennis court with pergola and lighting offers championship-level play. At the water’s edge, a pool and spa are paired with a fully realized cabana featuring a fitness center, kitchenette, full bathroom and changing rooms. Sculpted into the eastern landscape, a series of stone terraces with a bluestone bar directly overlook Greenwich Cove and the vast protected expanse of Greenwich Point Park. Meticulously maintained and thoughtfully enhanced, the estate includes a newly installed Ludowici terra cotta roof, rebuilt sun decks, custom East Wing windows, and a full-property generator—ensuring seamless comfort and continuity. With access to a private beach and watercraft facilities, and located less than an hour from Manhattan and minutes from Westchester County Airport, the property offers a rare convergence of seclusion, scale, and global accessibility. Cedar Cliff is a singular offering for the most discerning buyer—an incomparable experience of refined luxury, inviting residents and their guests to revel in the natural beauty of one of the finest estates on the East Coast of the United States.