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MLS 24165467 For Sale Updated August 16, 2026
620 Colonial Road

Guilford, Connecticut 06437

$7,500,000
On market 59 days
620 Colonial Road
1 / 40

About This Property

This is not simply waterfront living. This is a waterfront lifestyle unlike any other. Tucked within the coveted enclave of Sachem's Head, this extraordinary estate commands direct Long Island Sound frontage with unobstructed harbor views and breathtaking sunsets. Masterfully crafted in 2003 and transformed by the current owners with uncompromising quality, the 6,000 SF+ residence is defined by Dramatic walls of glass framing endless water views from virtually every room offering seamless indoor-outdoor living. You will be immediately wowed by the jaw dropping great room with an incredible fireplace & soaring ceiling. At the heart of the home lies a stunning Poliform kitchen, the pinnacle of modern luxury, thoughtfully appointed with premium appliances and designed to delight the most discerning chef. Oversized dining area that effortlessly steps right onto the expansive Ipe deck for additional outdoor waterfront entertaining. The all glass-enclosed family room overlooks the sound as well as the heated saltwater pool. Upstairs, a dramatic suspended gallery leads to an octagonal office and private outdoor captain's walk with endless vistas. The primary suite is a sanctuary with panoramic water views, balcony, fireplace, custom closets, and a spa-inspired bath with oversized shower and infrared sauna. A separate wing offers three en-suite bedrooms with stunning new baths and custom bunks for additional guests. Exceptional boating amenities include a permanent pier of concrete

Property Details

Interior

Heat
Hot Air — Propane
Cooling
Central Air
Fireplaces
3
Basement
Partial,Partial With Hatchway,Partial With Walk-Out
Interior Features
Open Floor Plan Sauna

Exterior & Lot

Roof
Wood Shingle
Construction
Construction
Pool
Salt Water,In Ground Pool
Waterfront
Harbor,L. I. Sound Frontage,Dock or Mooring,View
Exterior Features
Balcony Deck Hot Tub French Doors Patio
Lot Description
Level Lot On Cul-De-Sac Professionally Landscaped Water View
Garage & Parking
Attached Garage

Utilities & Systems

Water Source
Public Water Connected
Sewer
Septic

Community & Schools

Elementary
Per Board of Ed
Middle
Adams
High
Guilford
Neighborhood
Sachems Head
HOA Fee Includes
Club House Tennis Trash Pickup
Nearby Amenities
Golf Course Health Club Library Medical Facilities Paddle Tennis Private School(s) Stables/Riding Tennis Courts

Appliances

Included
Gas Cooktop Oven/Range Microwave Refrigerator Icemaker Dishwasher Washer Dryer Wine Chiller

620 Colonial Road

Guilford , Connecticut 06437

$7,500,000

On market 59 days

Beds
4
Baths
5
SqFt
5,475
Type
Single Family
County New Haven
Garage 2
Rooms -
Lot Size 0.79 Acres
Property Tax $67,568
Assessed Value $2,379,160
Year Built 2003
Style Colonial
Zoning B
HOA Fee $5,000 / Annually

Payment Estimate

30-year fixed. Includes taxes and HOA dues; estimates only.

Estimated Monthly Payment
Open the full mortgage calculator →

Property Map

Map location is based on the property address.

Listing information is deemed reliable but not guaranteed and is sourced from the local MLS feed. Brokerage shown: PSOTH52.

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