620 Colonial
Guilford, CT, 06437
$7,500,000
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
Current real estate data for Single Family in Guilford as of Jun 16, 2026
82
Single Family Listed
69
Avg DOM
444
Avg $ / SqFt
$1,529,652
Avg List Price
Listing Provided Courtesy of Susan Santoro at William Pitt Sotheby’s Int’l
Property Details
Price:
$7,500,000
MLS #:
24165467
Status:
Coming Soon
Beds:
4
Baths:
5
Type:
Single Family
Neighborhood:
sachemshead
Listed Date:
Jun 11, 2026
Finished Sq Ft:
5,475
Lot Size:
34,412 sqft / 0.79 acres (approx)
Year Built:
2003
Schools
Elementary School:
Per Board of Ed
High School:
Guilford
Interior
Exterior
Financial
Map
Contact Us
Mortgage Calculator
Community
- Address620 Colonial Guilford CT
- NeighborhoodSachems Head
- CityGuilford
- CountyNew Haven
- Zip Code06437
Subdivisions in Guilford
Property Summary
- 620 Colonial Guilford CT is a Single Family for sale in Guilford, CT, 06437. It is listed for $7,500,000 and features 4 beds, 5 baths, and has approximately 5,475 square feet of living space, and was originally constructed in 2003. The current price per square foot is $1,370. The average price per square foot for Single Family listings in Guilford is $444. The average listing price for Single Family in Guilford is $1,529,652.
Similar Listings Nearby
The data relating to real estate for sale on this website appears in part through the SMARTMLS Internet Data Exchange program, a voluntary cooperative exchange of property listing data between licensed real estate brokerage firms, and is provided by SMARTMLS through a licensing agreement. Listing information is from various brokers who participate in the SMARTMLS IDX program and not all listings may be visible on the site. The property information being provided on or through the website is for the personal, non-commercial use of consumers and such information may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Some properties which appear for sale on the website may no longer be available because they are for instance, under contract, sold or are no longer being offered for sale. Property information displayed is deemed reliable but is not guaranteed. Copyright 2026 SmartMLS, Inc.
620 Colonial
Guilford, CT



