Date
Details
Price
Change
Source
5/07/2026
Listed
$3,800,000
—
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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$3,800,000 Just Listed
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Property Description & Video
20 Grove Avenue, Groton, CTVideo Tour of 20 Grove Avenue, Groton, CT.
Mystic luxury home in the heart of the Mystic River Historic District. Home's majestic presence along the Mystic River has been a beacon for Mystic's nautical community. One of the premier homes along the river front with direct access to nautical adventures with your own personal dock. The home is located directly opposite The Mystic Seaport with 156 feet of unobstructed waterfront views. Home's interior showcases a first floor ensuite with panoramic views of the Mystic River and French doors leading to the outer decks and dining area. Kitchen includes new appliances with Kitchen Aid double stainless ovens, Bosch 5 burner cook-top, LG side-by-side fridge, Whirlpool dishwasher, center island, custom cabinets, granite counters and central island. The kitchen triple casement windows overlook the Mystic Seaport. First and second floors are hardwood with captivating water views. The third floor expands the opportunity for hosting additional guests and the ideal place to rest and take in your favorite novel while enjoying nautical traffic. The lower level has the setting for an English pub and adjoining office area. The expansive yard area complete with access to your own personal dock and built-in swimming pool. Gracious mature landscaping is framed by rose hedge and wisteria trellis with cascading clusters of lilac flowers welcoming spring. Home conveniently located between NY and Boston with high speed rail and ferry service. SEE DRONE ICON BELOW LISTING PHOTO.
Full Property Details
Full Property Details for 20 Grove Ave
General
- Price: $3,800,000
- Taxes: (July 2025-June 2026)
- Status: Active
- Type: Single Family
- Source: SMARTMLS
- MLS ID: 24170583
- Updated: Today (5/7/2026)
- Added to Site: Today
Interior
- Number of Rooms: 8
- Fireplace: Yes
- Number of Fireplaces: 2
- Appliances: Gas Cooktop, Electric Range, Oven/Range, Wall Oven, Microwave, Range Hood, Freezer, Dishwasher, Disposal
Rooms
Bathrooms
- Total Bathrooms: 3
- Full Bathrooms: 2
- Half Bathrooms: 1
Bedrooms
- Total Bedrooms: 4
- Primary Bedroom: Primary Bedroom - Fireplace, Hardwood Floor, 20.25 x 19.25, Main
- Bedroom 1: Bedroom - Hardwood Floor, 12.25 x 7.5, Upper
- Bedroom 2: Bedroom - Bedroom Suite, Patio/Terrace, Wall/Wall Carpet, 12.5 x 13.25, Upper
- Bedroom 3: Bedroom - Hardwood Floor, 21 x 12.25, Upper
Other Rooms
- Living Room: Living Room - Fireplace, Hardwood Floor, 23.5 x 19, Main
- Kitchen: Kitchen - Remodeled, Built-In Hutch, Corian Counters, Granite Counters, Island, Vinyl Floor, 13.5 x 18.5, Main
- Dining Room: Dining Room - Hardwood Floor, 27.25 x 12.5, Main
- Library: Library - Book Shelves, Built-Ins, Hardwood Floor, 13.25 x 11, Main
- Loft: Loft - Remodeled, Wall/Wall Carpet, 15.25 x 29.25, Upper
- Laundry: Main Level
Additional Information
- Pool: Yes
- Pool Description: Concrete, Safety Fence, In Ground Pool
Parking
- Garage: Yes
- Garage Spaces: 1
- Parking: Detached Garage
Location
- County: New London
- Neighborhood: Mystic
- Driving Directions: I95 to Exit 89 Allyn Street. Head south towards downtown Mystic and take immediate left onto Sandy Hollow Road. Turn right onto High Street. Don't miss the next left turn on Starr Street which is hidden by foliage. Turn R onto Grove Avenue at stop sign.
School Information
- Elementary School: Per Board of Ed
- High School: Fitch Senior
Community
- Community Name: Mystic
Heating & Cooling
- Cooling Type: Central Air
- Heating Type: Hot Air, Oil
- Heating Fuel: Oil
- Water Heater: Oil, 40 Gallon Tank
Utilities
- Sewer: Public Sewer Connected
- Water: Public Water Connected
Structural Information
- Architectural Style: Colonial
- Construction Status: No/Resale
- Exterior Const.: Clapboard
- Basement Desc.: Full, Partially Finished
- Roof: Asphalt Shingle
- Square Feet: 3,004
- Above Ground: 3,004 Sq. Ft.
- Year Built: 1863
Lot Features
- Lot Size (Acres): 0.53
- Zoning: RS-12
- Lot Description: Level Lot, Professionally Landscaped, Historic District, Water View, Open Lot
Water Features
- Water Front: Yes
- Water View: Yes
- Water Front Desc.: River
Financial Considerations
- Assessment Amount: $1,121,960
- Tax Year: July 2025-June 2026
Disclosures and Reports
- Flood Zone: Yes
- Property ID: 1960664
Listed by Berkshire Hathaway NE Prop., Bill Turner
We Value Your Privacy
We Value Your Privacy
We Value Your Privacy
Listing agent
— 20 Grove Ave —
Bill Turner
Berkshire Hathaway NE Prop.
Agent Contact: (860) 501-5453 Office Contact: (860) 536-4906
NMLS#: 1598647Get Pre-Approved Today
Price & Sales History for 20 Grove Ave
Tax History
Tax History for 20 Grove Ave
Year
Property Taxes
Change
Tax Assessment
Change
2025
$30,540
8%
$1,121,960
—
2023
$28,370
4%
$1,121,960
—
2023
$27,270
2%
$1,121,960
—
2022
$26,673
-3%
$1,121,960
15%
2021
$27,370
1%
$971,600
—
2020
$27,147
5%
$971,600
—
2019
$25,971
1%
$971,600
—
2018
$25,660
2%
$971,600
—
2017
$25,184
9%
$971,600
1%
2016
$23,172
3%
$963,900
—
2015
$22,401
2%
$963,900
—
2014
$21,871
-1%
$963,900
—
2011
$22,054
—
$963,900
—
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 20 Grove Ave
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- Apartment
- Active
- Updated 1 day ago
- 1Bed
- 1Total Bath
- 800Sq. Ft.
Listed by Scott Pellerin (860) 739-6277
- Single Family
- Active
- Updated 2 days ago
- 2Beds
- 1Total Bath
- 989Sq. Ft.
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- Single Family
- Active
- Updated 4 days ago
- 3Beds
- 4Total Baths
- 1,941Sq. Ft.
- Single Family
- Active
- Updated 5 days ago
- 3Beds
- 2Total Baths
- 2,078Sq. Ft.
- Single Family
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- Updated 23 hours ago
- 4Beds
- 2Total Baths
- 1,256Sq. Ft.
20 Grove Avenue, Groton, CT 06355 (MLS# 24170583) is a Single Family property with 4 bedrooms, 2 full bathrooms and 1 partial bathroom. 20 Grove Avenue is currently listed for $3,800,000 and was received on May 07, 2026. Want to learn more about 20 Grove Avenue? Do you have questions about finding other Single Family real estate for sale in Mystic? You can browse all Mystic real estate or contact a Coldwell Banker agent to request more information.