New construction and ready for 2026! On a coveted Darien cul-de-sac, this modern colonial boasts 6500sf of elegance and comfort. Step through the welcoming foyer, complete with a coat room and powder room, and into a spacious, light-flooded living room, perfect for gatherings that stretch into the evening. The custom kitchen is a true centerpiece, with a grand stone island, Thermador appliances, an oversized range, and abundant cabinetry. Surrounded by windows, the sunlit breakfast room flows effortlessly to the kitchen/great room, where a gas fireplace and beamed ceiling create warmth and character and flow out to an huge deck overlooking 1.2 private acres. A first-floor office with full bath offers flexibility for work, guests, or a quiet retreat. Everyday ease continues with a mudroom, half bath with stunning, floating quartz vanity, and an attached two-car garage. Upstairs, the primary suite is a serene escape with vaulted ceilings, a walk-in closet, and a private balcony overlooking the lush and private yard. Three additional en-suite bedrooms each feature custom walk-in closets, blending function with elegance. The partially finished third floor and lower level invite endless possibilities - a home gym, playroom, creative spaces, etc. This home has privacy and space for all and is only minutes from town, shops, the beach, golf, the train and all amenities. A new home for the new year!
Listed by Serena Richards
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Brown Harris Stevens
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(203) 273-2073
Last updated March 15, 2026
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Source: SmartMLS #24082353
Listing Facts
TypeSingle-family
NeighborhoodDarien
Bedrooms5
Bathrooms8
Days on Prevu355
Size6,535 sqft
Price per sqft$688
Location
Mortgage Calculator
Listing History
01/09/2026
Price Decreased
$4,495,000
03/26/2025
Listed by Brown Harris Stevens
$4,900,000
Property Details for 20 Marianne Road
Exterior
Construction
New Construction: Under Construction
Roof: Asphalt Shingle, Metal
Year Built: 2025
Architectural Style: Colonial
Construction Materials: Frame
Exterior Features: Deck, Gutters, French Doors
Features
Waterfront Features: Not Applicable
Measurements
Lot Features: Some Wetlands, Level Lot, On Cul-De-Sac
How many bedrooms and bathrooms does this single-family home have?
There are 5 bedrooms and 8 bathrooms in this single-family home at 20 Marianne Road.
What schools are nearby to 20 Marianne Road?
Nearby schools include the Ox Ridge Elementary School, Middlesex Middle School, and Darien High School.
Does this single-family home have parking?
Yes, there are 2 parking spaces available for 20 Marianne Road.
How does 20 Marianne Road compare to other single-family homes in Darien?
This single-family home is listed 39% below the average price for single-family homes in Darien and has been on the market for 304 more days than the typical home in this area.
What is the square footage on this single-family home?
According to the MLS, this listing is 6,535 sqft.
20 Marianne Road is a 5-bedroom, 8-bath single-family home for sale in Darien CT 06820. Available on Prevu for 355 days at $4,495,000. This includes a recent price decrease of $405,000. This property features 6,535 square feet of living space, located in Darien. The median listing price for single-family homes in this area is $4,447,500. Nearby schools include Ox Ridge Elementary School, Middlesex Middle School, and Darien High School. Explore more single-family home listings in Fairfield County.
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