620 Colonial Road
Guilford, Connecticut 06437
- Beds
- 4
- Baths
- 4 | 1
- SqFt
- 5,475
- Acres
- 0.79
- Year Built
- 2003
- Neighborhood
- Sachems Head
- Property Type
- Single Family
Matt Caiola
Luxury Real Estate Advisor
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About This Home
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
Key Facts
- City/Town
- Guilford
- Neighborhood
- Sachems Head
- Property / Style
- Single Family · Colonial
- Year Built
- 2003
- Days on Market
- 69 days
- Beds
- 4
- Baths
- 4 full · 1 half
- Living Area
- 5,475 sq ft
- Lot Size
- 0.79 acres
- Garage / Parking
- 2 garage
- Property Taxes
- $67,568 / Annually
- HOA Fee
- $5,000 / Annually
Market Snapshot
The Guilford Market
Single Family · trailing 12 months
Active Listings
31
36 under contract
Median List Price
$1.07M
31 active listings
Median Closed Price
$665,000
225 sales
Median Days on Market
76
31 active listings
Median $ / Sq Ft
$360
31 active listings
Sale-to-List Ratio
100.9%
225 sales
How this home compares
List Price
$7.50M
vs $1.07M median
7.0× the median
Price / Sq Ft
$1,370
vs $360 median
3.8× the median
Days on Market
69 days
vs 76 days median
7 days fresher than median
Based on 31 active and 225 closed sales (trailing 12 mo) of single family in Guilford. Source: SmartMLS · As of August 19, 2026.
Location
620 Colonial Road, Guilford, Connecticut
Estimate Your Payment
Estimated Monthly Payment
Rates: Freddie Mac PMMS via FRED · Updated Aug 13, 2026per month
- Principal & Interest$38,597
- Property Taxes$5,631
- Insurance$2,500
- HOA$417
Estimates only. Actual rates, taxes, insurance, and HOA fees vary. Consult a lender for current rates.
Location
- City/Town
- Guilford
- Neighborhood
- Sachems Head
- County
- New Haven
Residence
- Property Type
- Single Family
- Style
- Colonial
- Year Built
- 2003
- New Construction
- No/Resale
- Living Area
- 5,475 sq ft
Schools
- Elementary
- Per Board of Ed
- Middle
- Per Board of Ed
- High
- Guilford
Interior
- Heating
- Hot Air
- Heat Fuel
- Propane
- Cooling
- Central Air
- Fireplaces
- 3
- Laundry
- Main Level
- Laundry Location
- Main Floor.
- Appliances
- Gas CooktopOven/RangeMicrowaveRefrigeratorIcemakerDishwasherWasherDryerWine Chiller
- Basement
- PartialPartial With HatchwayPartial With Walk-Out
- Interior Features
- Open Floor PlanSauna
- Additional Rooms
- Exercise RoomFoyerLaundry RoomMud RoomSteam/Sauna
Exterior & Lot
- Lot Size
- 0.79 acres
- Zoning
- B
- Garage / Parking
- 2 garage spacesAttached Garage
- Waterfront
- Direct waterfront
- Waterfront Details
- HarborL. I. Sound FrontageDock or MooringView
- Water Source
- Public Water Connected
- Sewer
- Septic
- Pool
- Salt WaterIn Ground Pool
- Construction
- ShakeCedar
- Color
- Grey
- Roof
- Wood Shingle
- Foundation
- Concrete
- Exterior Features
- BalconyDeckHot TubFrench DoorsPatio
- Lot Description
- Level LotOn Cul-De-SacProfessionally LandscapedWater View
HOA / Association
- Fee
- $5,000 / Annually
- Amenities
- Paddle TennisPlayground/Tot LotTennis Courts
Listing & Financials
- Property Taxes
- $67,568 / Annually
- Days on Market
- 69
- MLS #
- 24165467
- MLS Status
- Active
- Financing
- FHA,VA,CHFA
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This information is believed to be accurate, but without warranty.
The IDX display contains information sourced from SmartMLS, Inc. as of 8/19/2026. This information is provided for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing or leasing. Data is deemed reliable but is not guaranteed accurate by the MLS, the listing broker, the listing agent, or Matt Caiola. Buyers and tenants should independently verify all information that matters to their decision.
Map locations may be approximate. Any offer of compensation, if applicable, is made only to participants of the MLS where the listing is filed. ©2026 Smart MLS, Inc. All rights reserved.
Data last updated on 8/19/2026 at 9:41 PM UTC.