620 Colonial RoadGuilford, CT 06437

Single Family · 4 Beds · 4 Full Baths · 1 Half Bath · 5,475 Sq. ft. | 0.79 Acres
$7,500,000 Active

620 Colonial Road Overview

Time on Site:
18 days

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

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620 Colonial Road Facts & Features

  • Type Single Family
  • Sq. ft. 5,475
  • Price/Sq.ft. $1,370
  • Lot 0.79 Acres

Details

General

Association/HOA

  • Association Amenities: Paddle Tennis, Playground/Tot Lot, Tennis Courts
  • Association Fee: $5,000.00
  • Association Fee Frequency: Annually
  • Association Fee Includes: Club House, Tennis, Trash Pickup
  • Association: Yes

School Information

  • Elementary School: Per Board of Ed
  • Middle Or Junior School: Adams
  • High School: Guilford
  • Intermediate School: Per Board of Ed

Listing Information

  • Bank Owned Property: No
  • Potential Short Sale: No

Building Information

  • Year Built: 2003

Location/Region

  • County Or Parish: New Haven
  • Neighborhood: Sachems Head

Building Exterior/Construction

  • New Construction Type: No/Resale

Community/Development

  • Community Features: Golf Course, Health Club, Library, Medical Facilities, Paddle Tennis, Private School(s), Stables/Riding, Tennis Courts

Tax Information

  • Tax Annual Amount: $65,784.00
  • Tax Year: July 2025-June 2026

General Information

  • Exclusions: Exterior sculptures do not convey.
  • Parcel Number: 1114048
  • Property Type: Single Family For Sale
  • Zoning: B

Interior

Parking Information

  • Garage Spaces: 2

Beds/Baths

  • Bathrooms Full: 4
  • Bathrooms Half: 1
  • Bathrooms Total: 5
  • Bedrooms Total: 4

Building Interior

  • Attic: No
  • Fuel Tank Location: In Ground
  • Heat Fuel Type: Propane
  • Hot Water Description: Propane, Upright Tank
  • Laundry Room Info: Main Level
  • Laundry Room Location: Main Floor.
  • Rooms Additional: Exercise Room, Foyer, Laundry Room, Mud Room, Steam/Sauna

General Information

  • Appliances: Gas Cooktop, Oven/Range, Microwave, Refrigerator, Icemaker, Dishwasher, Washer, Dryer, Wine Chiller
  • Basement: Partial, Partial With Hatchway, Partial With Walk-Out
  • Cooling: Central Air
  • Fireplaces Total: 3
  • Foundation Details: Concrete
  • Heating: Hot Air
  • Interior Features: Open Floor Plan, Sauna
  • Living Area: 5475

Exterior

Parking Information

  • Parking Features: Attached Garage

Lot Information

  • Lot Features: Level Lot, On Cul-De-Sac, Professionally Landscaped, Water View
  • Lot Size Acres: 0.79
  • Lot Size Source: Public Records
  • Water Source: Public Water Connected

Waterfront/View

  • Waterfront Features: Harbor, L. I. Sound Frontage, Dock or Mooring, View
  • Waterfront: Yes

Building Exterior/Construction

  • Architectural Style: Colonial
  • Color: Grey
  • Construction Materials: Shake, Cedar
  • Roof: Wood Shingle

General Information

  • Exterior Features: Balcony, Deck, Hot Tub, French Doors, Patio
  • Pool Features: Salt Water, In Ground Pool
  • Pool Private: Yes
  • Sewer: Septic

Room Information

Room: Family Room

  • Level: Main
  • Length: 14.5
  • Width: 12.2
  • Description: 9 ft+ Ceilings,Hardwood Floor

Room: Kitchen

  • Level: Main
  • Length: 24.2
  • Width: 32.8
  • Description: Remodeled,Dining Area,Fireplace,Island,Pantry,Hardwood Floor

Room: Living Room

  • Level: Main
  • Length: 32.8
  • Width: 23.2
  • Description: 2 Story Window(s),Vaulted Ceiling,Beams,Fireplace,Hardwood Floor

Room: Other

  • Level: Main
  • Length: 11.2
  • Width: 13.11
  • Description: Wet Bar

Room: Bedroom

  • Level: Upper
  • Length: 17.1
  • Width: 11.5
  • Description: Remodeled,Full Bath,Hardwood Floor

Room: Bedroom

  • Level: Upper
  • Length: 12.9
  • Width: 13.7
  • Description: Remodeled,Full Bath,Hardwood Floor

Room: Bedroom

  • Level: Upper
  • Length: 16.9
  • Width: 12.3
  • Description: Remodeled,Full Bath,Hardwood Floor

Room: Office

  • Level: Upper
  • Length: 13.9
  • Width: 13.1
  • Description: Skylight,9 ft+ Ceilings,Vaulted Ceiling,Balcony/Deck,Interior Balcony

Room: Primary BR Suite

  • Level: Upper
  • Length: 27.5
  • Width: 17.7
  • Description: Balcony/Deck,Fireplace,Full Bath,Steam/Sauna,Walk-In Closet,Hardwood Floor

620 Colonial Road Monthly Cost

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* All calculations are estimates and provided by Reliance Network, for informational purposes only. Actual amounts may vary. ** Assumes 6.50% APR, 20% down payment, and conventional 30-year fixed rate first mortgage. Rates cited are for instructional purposes only; current rates are subject to change at any time without notice. You should not make any decisions based simply on the information provided. Additional required amounts such as taxes, insurance, homeowner association dues, assessments, mortgage insurance premiums, flood insurance or other such required payments should also be considered. Contact your mortgage company for current rates and additional information. Any mortgage broker or insurance agent that may appear is independent and is not affiliated with, endorsed by, or provided by the MLS.

620 Colonial Road Market Data

Based on the last 30 days in this zip code

$1,053,799
Average List Price
$394
Average Price per Square Foot
25
Properties Sold
91
Average Days on Market
106
Properties for Sale
Calculations provided by Reliance Network

620 Colonial Road History

Date Event Value Agent
6/17/2026Source: Smart MLS Status Change
Active
6/11/2026Source: Smart MLS Added to Database
June 11, 2026
6/20/2022Source: Smart MLS Added to Database
September 13, 2021
Listing provided courtesy of William Pitt Sotheby's Int'l- MLS# 24165467MLS ProviderContact Information: (203) 605-5297