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
Coming soon 06/18
$7,500,000
620 Colonial Road, Guilford, CT 06437
4beds
5,475sqft
Single Family Residence
Built in 2003
0.79 Acres Lot
$-- Zestimate®
$1,370/sqft
$417/mo HOA
What's special
- 2 days |
- 821 |
- 46 |
Zillow last checked:
Listing updated:
Listed by:
THE SUSAN SANTORO TEAM,
Susan Santoro (203)605-5297,
William Pitt Sotheby's Int'l 203-453-2533
Source: Smart MLS,MLS#: 24165467
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Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 5
- Full bathrooms: 4
- 1/2 bathrooms: 1
Rooms
- Room types: Exercise Room, Laundry, Steam/Sauna
Primary bedroom
- Features: Balcony/Deck, Fireplace, Full Bath, Steam/Sauna, Walk-In Closet(s), Hardwood Floor
- Level: Upper
- Area: 486.75 Square Feet
- Dimensions: 17.7 x 27.5
Bedroom
- Features: Remodeled, Full Bath, Hardwood Floor
- Level: Upper
- Area: 196.65 Square Feet
- Dimensions: 11.5 x 17.1
Bedroom
- Features: Remodeled, Full Bath, Hardwood Floor
- Level: Upper
- Area: 207.87 Square Feet
- Dimensions: 12.3 x 16.9
Bedroom
- Features: Remodeled, Full Bath, Hardwood Floor
- Level: Upper
- Area: 176.73 Square Feet
- Dimensions: 13.7 x 12.9
Family room
- Features: High Ceilings, Hardwood Floor
- Level: Main
- Area: 176.9 Square Feet
- Dimensions: 12.2 x 14.5
Kitchen
- Features: Remodeled, Dining Area, Fireplace, Kitchen Island, Pantry, Hardwood Floor
- Level: Main
- Area: 793.76 Square Feet
- Dimensions: 32.8 x 24.2
Living room
- Features: 2 Story Window(s), Vaulted Ceiling(s), Beamed Ceilings, Fireplace, Hardwood Floor
- Level: Main
- Area: 760.96 Square Feet
- Dimensions: 23.2 x 32.8
Office
- Features: Skylight, High Ceilings, Vaulted Ceiling(s), Balcony/Deck, Interior Balcony
- Level: Upper
- Area: 182.09 Square Feet
- Dimensions: 13.1 x 13.9
Other
- Features: Wet Bar
- Level: Main
- Area: 146.83 Square Feet
- Dimensions: 13.11 x 11.2
Heating
- Forced Air, Propane
Cooling
- Central Air
Appliances
- Included: Gas Cooktop, Oven/Range, Microwave, Refrigerator, Ice Maker, Dishwasher, Washer, Dryer, Wine Cooler, Water Heater
- Laundry: Main Level, Mud Room
Features
- Open Floorplan, Sauna, Entrance Foyer
- Doors: French Doors
- Basement: Partial
- Attic: None
- Number of fireplaces: 3
Interior area
- Total structure area: 5,475
- Total interior livable area: 5,475 sqft
- Finished area above ground: 5,475
Property
Parking
- Total spaces: 2
- Parking features: Attached
- Attached garage spaces: 2
Features
- Patio & porch: Deck, Patio
- Exterior features: Balcony
- Has private pool: Yes
- Pool features: Salt Water, In Ground
- Spa features: Heated
- Has view: Yes
- View description: Water
- Has water view: Yes
- Water view: Water
- Waterfront features: Waterfront, Harbor, Dock or Mooring
Lot
- Size: 0.79 Acres
- Features: Level, Cul-De-Sac, Landscaped
Details
- Parcel number: 1114048
- Zoning: B
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Colonial
- Property subtype: Single Family Residence
Materials
- Shake Siding, Cedar
- Foundation: Concrete Perimeter
- Roof: Wood
Condition
- New construction: No
- Year built: 2003
Utilities & green energy
- Sewer: Septic Tank
- Water: Public
Community & HOA
Community
- Features: Golf, Health Club, Library, Medical Facilities, Paddle Tennis, Private School(s), Stables/Riding, Tennis Court(s)
- Subdivision: Sachems Head
HOA
- Has HOA: Yes
- Amenities included: Paddle Tennis, Playground, Tennis Court(s), Clubhouse
- Services included: Trash
- HOA fee: $5,000 annually
Location
- Region: Guilford
Financial & listing details
- Price per square foot: $1,370/sqft
- Tax assessed value: $2,379,160
- Annual tax amount: $65,784
- Date on market: 6/11/2026
- Exclusions: Exterior sculptures do not convey.
Estimated market value
Not available
Estimated sales range
Not available
Not available
Price history
| Date | Event | Price |
|---|---|---|
| 1/15/2013 | Sold | $4,100,000+113%$749/sqft |
Source:  Smart MLS #M9135620 Report a problem | ||
| 11/5/2001 | Sold | $1,925,000$352/sqft |
Source: Smart MLS #M9065347 Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $65,784 +4% | $2,379,160 |
| 2024 | $63,238 +2.7% | $2,379,160 |
| 2023 | $61,573 -24.9% | $2,379,160 -3.5% |
| 2022 | $81,981 +1.9% | $2,465,580 |
| 2021 | $80,427 +0.8% | $2,465,580 -0.1% |
| 2020 | $79,765 +1.5% | $2,468,730 +0.6% |
| 2019 | $78,574 +2.4% | $2,453,150 |
| 2018 | $76,735 -8.4% | $2,453,150 -14% |
| 2017 | $83,749 -1% | $2,852,500 -4.8% |
| 2015 | $84,574 +3% | $2,994,840 |
| 2014 | $82,119 +81.5% | $2,994,840 +52.7% |
| 2013 | $45,240 +3.1% | $1,961,860 |
| 2012 | $43,867 +3.9% | $1,961,860 |
| 2011 | $42,219 +3.3% | $1,961,860 |
| 2010 | $40,866 +3.9% | $1,961,860 |
| 2009 | $39,316 +40.1% | $1,961,860 +34.1% |
| 2008 | $28,069 -21.1% | $1,462,670 |
| 2007 | $35,572 +5% | $1,462,670 |
| 2006 | $33,875 +4% | $1,462,670 |
| 2005 | $32,574 +27.4% | $1,462,670 +21.1% |
| 2003 | $25,573 +67.7% | $1,208,000 +151.5% |
| 2001 | $15,250 | $480,300 |
Find assessor info on the county website
Monthly payment
Est. payment$--/mo
Payment breakdown
Explore the cost of this home by adjusting the details. Changes won't be saved.All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.
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Climate risks
Neighborhood: 06437
Nearby schools
GreatSchools rating
- 7/10A. W. Cox SchoolGrades: K-4Distance: 2.8 mi
- 8/10E. C. Adams Middle SchoolGrades: 7-8Distance: 3.4 mi
- 9/10Guilford High SchoolGrades: 9-12Distance: 4.6 mi
Schools provided by the listing agent
- High: Guilford
Source: Smart MLS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
A local agent can set up tours, give advice and negotiate with sellers.
- Connecticut
- New Haven County
- Guilford
- 06437
- 620 Colonial Road
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