620 Colonial Road Guilford, CT $ 7,500,000
620 Colonial Road
$ 7,500,000
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620 Colonial Road

Guilford, CT, 06437
$ 7,500,000
Bedrooms4 Baths4.1 Sq 5,475

Monthly Estimate*

$ 46,179

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Single Family Home for sale in Guilford, CT

for $7,500,000 with 4 bedrooms and 4 full baths, 1 half bath. This 5,475 square foot home was built in 2003 on a lot size of 0.79.

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 & granite. A private dock, two unique heavy duty mooring systems, and a rare boat railway leading directly from the water into the boat garage beneath the home. Lush grounds, a sunken spa, fitness room, whole-house generator, and premium mechanical systems complete this remarkable offering. A foot bridge leading to the Yacht Club and historic Guilford just moments away. 90 minutes from Manhattan and approximately 32 nautical miles to Montauk. This is a rare opportunity to experience one of Connecticut's most extraordinary waterfront settings

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Single Family Coming Soon

Price

$ 7,500,000

Bedrooms

4

Full Bath

4

Half Bath

1

Property Type

Single Family

Taxes

$ 65,784

Style

Lot Size

0.79

Year Built

2003

Town/City

Guilford

MLS | Web ID

24165467

Features
General
Zoning B
Neighborhood Sachems Head
County New Haven
Tax Year July 2025-June 2026
Property Type Single Family For Sale
Status Coming Soon
Acres 0.79
Directions Sachem's Head to Colonial Road
High School Guilford
City Guilford
Elementary School Per Board of Ed
Sq Ft Total 5475
Year Built 2003
Exclusions Exterior sculptures do not convey.
Style Colonial
Association Amenities Paddle Tennis Playground/Tot Lot Tennis Courts
Year Built Source Public Records
Pool Description Salt Water In Ground Pool
Association Fee Includes Club House Tennis Trash Pickup
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Interior
Cooling System Central Air
Total Rooms 9
Basement Description Partial Partial With Hatchway Partial With Walk-Out
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Exterior
Water Source Public Water Connected
Lot Description Level Lot On Cul-De-Sac Professionally Landscaped Water View
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* Excluded Features
List By
Susan Santoro

Listing Agent

William Pitt Sotheby's Int'l

Broker

susansantoro11@gmail.com

Email

Affordability Calculator

$51,661
Per Month
89%
11%
0%
Monthly Principal & Interest
$46,179
Monthly Property Taxes
$5,482
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
3041652 Elementary School
3041854 Middle School
Guilford High School High School
Pricing History
DatePricePrice ChangeDescription
6/11/2026$7,500,000 Listed Price

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620 Colonial Road, Guilford, CT, 06437 is a Single Family Home for sale at $7,500,000 with 5,475 sqft and a lot size of 0.79. 620 Colonial Road has 4 bedrooms, 4.1 baths, and was built in 2003. The property's zip code is 06437 which is in Guilford, CT