Date
Details
Price
Change
Source
6/18/2026
Listed
$7,500,000
—
MLS
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
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$7,500,000
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Property Description
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
Full Property Details
Full Property Details for 620 Colonial Rd
General
- Price: $7,500,000
- HOA FEE: $417/month
- HOA FEE FREQ.: Annually
- Taxes: (July 2025-June 2026)
- Status: Active
- Type: Single Family
- Source: SMARTMLS
- MLS ID: 24165467
- Updated: 6/18/2026
- Added to Site: 8 day(s) ago
Interior
- Number of Rooms: 9
- Rooms/Areas: Exercise Room, Foyer, Laundry Room, Mud Room, Steam/Sauna
- Interior Features: Open Floor Plan, Sauna
- Fireplace: Yes
- Number of Fireplaces: 3
- Appliances: Gas Cooktop, Oven/Range, Microwave, Refrigerator, Icemaker, Dishwasher, Washer, Dryer, Wine Chiller
Rooms
Bathrooms
- Total Bathrooms: 5
- Full Bathrooms: 4
- Half Bathrooms: 1
Bedrooms
- Total Bedrooms: 4
- Primary Suite: Balcony/Deck, Fireplace, Full Bath, Steam/Sauna, Walk-, 27.5 x 17.7, Upper
- Bedroom 1: Bedroom - Remodeled, Full Bath, Hardwood Floor, 12.9 x 13.7, Upper
- Bedroom 2: Bedroom - Remodeled, Full Bath, Hardwood Floor, 16.9 x 12.3, Upper
- Bedroom 3: Bedroom - Remodeled, Full Bath, Hardwood Floor, 17.1 x 11.5, Upper
Other Rooms
- Living Room: Living Room - 2 Story Window(s), Vaulted Ceiling, Beams, Fireplace, Hardwood Floor, 32.8 x 23.2, Main
- Family Room: Family Room - 9 ft+ Ceilings, Hardwood Floor, 14.5 x 12.2, Main
- Kitchen: Kitchen - Remodeled, Dining Area, Fireplace, Island, Pantry, Hardwood Floor, 24.2 x 32.8, Main
- Office: Office - Skylight, 9 ft+ Ceilings, Vaulted Ceiling, Balcony/Deck, Interior Balcony, 13.9 x 13.1, Upper
- Laundry: Main Level
- Other Room 1: Other - Wet Bar, 11.2 x 13.11, Main
Additional Information
- Shared Amenities: Paddle Tennis, Playground/Tot Lot, Tennis Courts
- Pool: Yes
- Pool Description: Salt Water, In Ground Pool
Exterior
- Exterior Features: Balcony, Deck, Hot Tub, French Doors, Patio
- Color: Grey
Parking
- Garage: Yes
- Attached garage: Yes
- Garage Spaces: 2
- Parking: Attached Garage
Location
- County: New Haven
- Neighborhood: Sachems Head
- Driving Directions: Sachem's Head to Colonial Road
School Information
- Elementary School: Per Board of Ed
- Middle School: Adams
- Intermediate School: Per Board of Ed
- High School: Guilford
Community
- Community Name: Sachems Head
- Association: Yes
- Home Owners Assn.: 1
- Assoc. Fees Include: Club House, Tennis, Trash Pickup
Heating & Cooling
- Cooling Type: Central Air
- Heating Type: Hot Air, Propane
- Heating Fuel: Propane
- Water Heater: Propane, Upright Tank
Utilities
- Sewer: Septic
- Water: Public Water Connected
Structural Information
- Architectural Style: Colonial
- Construction Status: No/Resale
- Exterior Const.: Shake, Cedar
- Basement Desc.: Partial, Partial With Hatchway, Partial With Walk-Out
- Roof: Wood Shingle
- Square Feet: 5,475
- Above Ground: 5,475 Sq. Ft.
- Year Built: 2003
Lot Features
- Lot Size (Acres): 0.79
- Zoning: B
- Lot Description: Level Lot, On Cul-De-Sac, Professionally Landscaped, Water View
Water Features
- Water Front: Yes
- Water View: Yes
- Water Front Desc.: Harbor, L. I. Sound Frontage, Dock or Mooring, View
Financial Considerations
- Association Fee: $5,000
- Assoc Fee Freq.: Annually
- Assessment Amount: $2,379,160
- Tax Year: July 2025-June 2026
Disclosures and Reports
- Exclusions: Exterior sculptures do not convey.
- Property ID: 1114048
Listed by William Pitt Sotheby's Int'l, THE SUSAN SANTORO TEAM, Susan Santoro
We Value Your Privacy
We Value Your Privacy
We Value Your Privacy
Listing agent
— 620 Colonial Rd —
Susan Santoro
William Pitt Sotheby's Int'l
Agent Contact: (203) 605-5297 Office Contact: (203) 453-2533
NMLS#: 1598647Get Pre-Approved Today
Schools
Schools serving 620 Colonial Rd
School District:Guilford School District
| Name | Grades | Distance |
|---|---|---|
A. W. Cox School 143 3 Mile Course, Guilford, CT 06437 | K-4 | 2.8 mi |
E. C. Adams Middle School 233 Church Street, Guilford, CT 06437 | 7-8 | 3.4 mi |
Guilford High School 605 New England Road, Guilford, CT 06437 | 9-12 | 4.6 mi |
Disclaimer:
School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 620 Colonial Rd
Tax History
Tax History for 620 Colonial Rd
Year
Property Taxes
Change
Tax Assessment
Change
2024
$65,784
4%
$2,379,160
—
2023
$63,238
3%
$2,379,160
—
2023
$61,573
-25%
$2,379,160
-4%
2022
$81,981
2%
$2,465,580
—
2021
$80,427
1%
$2,465,580
—
2020
$79,765
2%
$2,468,730
1%
2019
$78,574
2%
$2,453,150
—
2018
$76,735
-8%
$2,453,150
-14%
2017
$83,749
-2%
$2,852,500
-5%
2016
$85,862
2%
$2,994,840
—
2015
$84,574
3%
$2,994,840
—
2014
$82,119
82%
$2,994,840
53%
2011
$45,240
—
$1,961,860
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Estimate the Cost
Estimate the Cost for 620 Colonial Rd
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620 Colonial Road, Guilford, CT 06437 (MLS# 24165467) is a Single Family property with 4 bedrooms, 4 full bathrooms and 1 partial bathroom. 620 Colonial Road is currently listed for $7,500,000 and was received on June 18, 2026. Want to learn more about 620 Colonial Road? Do you have questions about finding other Single Family real estate for sale in Guilford? You can browse all Guilford real estate or contact a Coldwell Banker agent to request more information.