620 Colonial Road, Guilford, CT 06437 (MLS # 24165467)

Save to Favorites
Print
Share
PRICE $7,500,000 dsIDX morgage calculator
BEDS 4
BATHS 4.5
HOME SIZE 5,475 sqft
LOT SIZE 34,413 sqft

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

DAYS ON MARKET 10 LAST UPDATED 6/17/2026
YEAR BUILT 2003 GARAGE SPACES 2.0
COUNTY New Haven STATUS Active
PROPERTY TYPE(S) Single Family

SCHOOLS
Elementary School Per Board of Ed
Jr. High School Adams
High School Guilford


ADDITIONAL DETAILS
AIR Central Air
AIR CONDITIONING Yes
AMENITIES Trash
APPLIANCES Dishwasher, Dryer, Gas Cooktop, Ice Maker, Microwave, Oven, Range, Refrigerator, Washer, Wine Cooler
BASEMENT Partial, Walk-Out Access, Yes
CONSTRUCTION Cedar, Frame, Shake Siding
EXTERIOR Balcony, Dock
FIREPLACE Yes
GARAGE Attached Garage, Yes
HEAT Forced Air, Propane
HOA DUES 5000
INTERIOR Entrance Foyer, Open Floorplan, Sauna
LOT 0.79 acre(s)
LOT DESCRIPTION Cul-De-Sac, Level, Waterfront
PARKING Attached
POOL DESCRIPTION Outdoor Pool, Salt Water, In Ground
SEWER Septic Tank
STYLE Colonial
TAXES 65784
VIEW Yes
VIEW DESCRIPTION Water
WATER Public
WATERFRONT Yes
WATERFRONT DESCRIPTION Bay/Harbor
ZONING B
MORTGAGE CALCULATOR
   

TOTAL MONTHLY PAYMENT

0
P
I
*Estimate only



We respect your online privacy and will never spam you. By submitting this form with your telephone number you are consenting for Ryan Smith to contact you even if your name is on a Federal or State "Do not call List".

Listing courtesy of William Pitt Sotheby's Int'l
Copyright Smart MLS. All rights reserved. Information is deemed reliable but not guaranteed to be accurate.

This IDX solution is (c) Diverse Solutions 2026.

Bristol: 985 Farmington Ave, Bristol, CT 06010
Avon: 412 West Avon Rd, Avon, CT 06001
(860) 578-2016 | ryansmith@tier1realestate.com

Subscribe to New Listings

  • Click here to review our privacy policy.
  • This field is for validation purposes and should be left unchanged.
The information on this website is for general information purposes only. Nothing on this site should be taken as legal advice for any individual case or situation. This information is not intended to create, and receipt or viewing does not constitute, a real estate agent and client relationship. Tier 1 Real Estate is licensed & insured. Call (860) 578-2016. Email with any questions you may have regarding this website, or anything associated with it. @2019 All Rights Reserved. 

linkedin facebook pinterest youtube rss twitter instagram facebook-blank rss-blank linkedin-blank pinterest youtube twitter instagram