New Listing - 05/19/2026

$5,400,000 ($627.69 per sqft)

Est. Mortgage $26,249/mo *

Quick Pre-Approval

Open House Schedule

Come see this wonderful home before Greenwich Town Party!

05/23/2026
11:00 AM to 1:00 PM
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05/24/2026
1:00 PM to 3:00 PM
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20 Oak Street, Greenwich, CT, 06831

20 Oak Street, Greenwich, CT, 06831

5 beds

7 Full / 2 Half baths

2004

8,603 sqft

Set on a quiet private lane, this 8,600-square-foot residence spans four finished levels with elevator access throughout. A marble entry gallery with soaring ceilings introduces expansive living and entertaining spaces, including a formal dining room with wet bar, chef's kitchen with Viking, Bosch, and Sub-Zero appliances, and a sunlit family room opening to outdoor dining areas. The home offers five en-suite bedrooms with walk-in closets, including a luxurious primary suite with fireplace and spa bath. The finished walkout lower level features a recreation lounge, wine cellar, fitness studio, media space, and full bath. Additional highlights include hardwood floors, multiple fireplaces, private office space, and mature landscaping throughout the property. 5 minutes from Greenwich Avenue. Set on a private lane of just three homes, this expansive residence offers 8,600 square feet of living space across four finished levels, all accessible by elevator. A marble-floored entry gallery with soaring ceilings creates a dramatic first impression, immediately establishing the scale, light, and craftsmanship found throughout the home. The main level is designed for both grand entertaining and comfortable everyday living. A formal living room is framed by expansive wraparound bay windows, filling the space with natural light. Wide pocket doors open to an elegant formal dining room featuring a wet bar. The chef's kitchen is outfitted with high-end appliances, including a Viking six-burner cooktop with grill, dual wall ovens, dual Miele dishwashers, and Sub-Zero refrigeration. A large center island anchors the space and flows seamlessly into a sunlit breakfast area and spacious family room. French doors open to generous outdoor entertaining and dining areas. A wood-burning fireplace enhances the warmth of the main living area. Additional features include a private office with dual workspace capacity and French doors to the outdoors, multiple wet bars, two powder rooms, and hardwood flooring throughout. The bedroom level offers five spacious bedrooms each with en-suite bath and walk in closet. The fifth bedroom is oversized and flexible, suitable as a bonus room, playroom, or studio. The primary suite is a private retreat featuring a third wood-burning fireplace, heated bathroom floors, a BainUltra air-jet soaking tub, oversized shower, private water closet, and extensive custom cabinetry. The walkout lower level is fully finished and designed as a true lifestyle extension of the home. It features a large recreation lounge with wet bar, a dedicated wine room with tasting area, a media space with fireplace, a mirrored fitness studio with TV, and a full bath--creating an ideal setting for both relaxation and entertainment. The top floor provides full-height ceilings and exceptional flexibility, ideal for use as a studio, office, playroom, or additional guest space, complete with a full bath and storage. A two-car polyphasic garage complete the property, which is surrounded by mature landscaping in a serene residential setting just 5 minutes to Greenwich Avenue.


Status:

Active

Type:

Single-family residential

Laundry Remarks:

Laundry Room

Zoning:

R-12

Garage:

2-car

Heating:

Natural Gas, See Remarks, Forced Air

Cooling:

Central Air

Basement:

Walk-Out Access, Finished

Parking:

Attached Garage, Garage Door Opener

Acreage:

0.7

Est. Taxes:

$31,433

Assessment

$2,543,310

Construction

Clapboard, Stone

Lot Description:

Backlot, Level

Elementary School:

Glenville

Middle School:

Western

MLS #:

125038


Community Info

School Info

Walk Score

Mass Transit

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Listing courtesy of Brown Harris Stevens CT, LLC