Date
Details
Price
Change
Source
10/30/2025
Listed
$3,250,000
—
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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$3,250,000
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Property Description & Video
21 Grove Avenue, Groton, CTVideo Tour of 21 Grove Avenue, Groton, CT.
First time being offered is 21 Grove, an exquisite property located on the bank of the Mystic River, a convenient walk into town. This only 18 years young home is designed to assimilate within its historic neighbors yet is elevated with the superior craftsmanship and modern updates. You'll find a well-conceived floor plan that invites both intimate family living and grand-scale entertaining. Notable features: - Bluestone patio overlooking the river for al fresco dining & relaxing - Impeccably landscaped grounds encompassing nearly one acre - En suite bedrooms that promise privacy and convenience for family and guests alike. -Two primary bedrooms; one conveniently located on the first floor - Six fireplaces that provide warmth and ambiance during New England's colder months. - River access for launching kayaks and paddleboards, when the warmer months arrive. Your positioning couldn't be better with your proximity into town, gorgeous views, easy access via backroads to I-95, and walkability of the scenic River Road to which you are at the very start of. This is quite the rare find to have this level of class & comfort in a home with no work needing to be done and numerous benefits being so close to vibrant downtown Mystic and all it has to offer. Own your own piece of history in one of the most prestigious neighborhoods of Mystic. Home is ready for you to turn the key, enter and stay.
Full Property Details
Full Property Details for 21 Grove Ave
General
- Price: $3,250,000
- Taxes: (July 2025-June 2026)
- Status: Active
- Type: Single Family
- Source: SMARTMLS
- MLS ID: 24136440
- Updated: 5/22/2026
- Added to Site: 205 day(s) ago
Interior
- Number of Rooms: 10
- Interior Features: Audio System, Auto Garage Door Opener, Cable - Available
- Fireplace: Yes
- Number of Fireplaces: 6
- Appliances: Gas Cooktop, Oven/Range, Microwave, Refrigerator, Freezer, Dishwasher, Disposal, Compactor, Washer, Dryer
Rooms
Bathrooms
- Total Bathrooms: 6
- Full Bathrooms: 5
- Half Bathrooms: 1
- Full Bath: Lower
- Partial Bath: Main
Bedrooms
- Total Bedrooms: 4
- Primary Suite: 9 ft+ Ceilings, Vaulted Ceiling, Gas Log Fireplace, F, Main
- Primary Suite 2: Bedroom Suite, Built-Ins, Gas Log Fireplace, Full Bat
- Primary Suite 2: Upper
- Bedroom 1: Bedroom - Full Bath, Wall/Wall Carpet, Upper
- Bedroom 2: Bedroom - Full Bath, Wall/Wall Carpet, Upper
Other Rooms
- Living Room: Living Room - 9 ft+ Ceilings, Gas Log Fireplace, Hardwood Floor, Main
- Family Room: Family Room - Beams, Book Shelves, Built-Ins, Wet Bar, Gas Log Fireplace, Patio/Terrace, Lower
- Kitchen: Kitchen - 9 ft+ Ceilings, Built-Ins, Dining Area, Eating Space, Main
- Dining Room: Dining Room - 9 ft+ Ceilings, Beams, Gas Log Fireplace, Patio/Terrace, Hardwood Floor, Main
- Office: Office - French Doors, Hardwood Floor, Main
- Game room: Yes
- Game Room: Rec/Play Room - Gas Log Fireplace, French Doors, Hardwood Floor, Lower
- Rec Room: Gas Log Fireplace, French Doors, Hardwood Floor, Lower
- Laundry: Main Level
- Other Room 1: Other - Studio, Lower
Exterior
- Exterior Features: Grill, Lighting, Stone Wall, Underground Sprinkler, Patio
Parking
- Garage: Yes
- Attached garage: Yes
- Garage Spaces: 3
- Total Spaces: 6
- Parking: Attached Garage, Off Street Parking, Driveway
Location
- County: New London
- Neighborhood: Mystic
- Driving Directions: GPS Friendly
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: 80 Gallon Tank
Utilities
- Sewer: Public Sewer Connected
- Water: Public Water Connected
Structural Information
- Architectural Style: Cape Cod
- Construction Status: No/Resale
- Exterior Const.: Hardie Board
- Basement Desc.: Full, Heated, Fully Finished, Cooled
- Roof: Asphalt Shingle
- Attic: Yes
- Square Feet: 5,686
- Above Ground: 4,008 Sq. Ft.
- Below Ground: 1,678 Sq. Ft.
- Year Built: 2007
Lot Features
- Lot Size (Acres): 0.95
- Driveway/Sidewalk: Gravel
- Zoning: RS-12
- Lot Description: Level Lot
Water Features
- Water Front Desc.: Walk to Water, View
Financial Considerations
- Assessment Amount: $977,270
- Tax Year: July 2025-June 2026
Disclosures and Reports
- Property ID: 2570152
Listed by Compass Connecticut, LLC, Heather Gianacoplos
We Value Your Privacy
We Value Your Privacy
We Value Your Privacy
Listing agent
— 21 Grove Ave —
Heather Gianacoplos
Compass Connecticut, LLC
Agent Contact: (860) 908-4705 Office Contact: (860) 572-9099
NMLS#: 1598647Get Pre-Approved Today
Schools
Schools serving 21 Grove Ave
School District:Groton School District
| Name | Grades | Distance |
|---|---|---|
Groton Middle School 35 Groton Long Point Road, Groton, CT 06340 | 6-8 | 2.5 mi |
Fitch Senior High School 101 Groton Long Point Road, Groton, CT 06340 | 9-12 | 2.7 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 21 Grove Ave
Estimate the Cost
Estimate the Cost for 21 Grove Ave
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- Single Family
- Active
- Updated 4 days ago
- 5Beds
- 1Total Bath
- 2,216Sq. Ft.
- Single Family
- Active
- Updated 4 days ago
- 3Beds
- 1Total Bath
- 1,274Sq. Ft.
- Single Family
- Active
- Updated 4 days ago
- 3Beds
- 2Total Baths
- 1,568Sq. Ft.
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- Multi-Family
- Active
- Updated 3 days ago
- 3Total Beds
- Single Family
- Active
- Updated 4 days ago
- 2Beds
- 1Total Bath
- 989Sq. Ft.
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![[Address not provided], Stonington, CT 06355 - Photo 1](https://m1.cbhomes.com/p/230/24141201/2145320Df7Bc49c/s23cc.webp)
21 Grove Avenue, Groton, CT 06355 (MLS# 24136440) is a Single Family property with 4 bedrooms, 5 full bathrooms and 1 partial bathroom. 21 Grove Avenue is currently listed for $3,250,000 and was received on October 30, 2025. Want to learn more about 21 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.