21 Grove Avenue
Groton, Connecticut 06355
- Beds
- 4
- Baths
- 5 | 1
- SqFt
- 5,686
- Acres
- 0.95
- Year Built
- 2007
- Neighborhood
- Mystic
- Property Type
- Single Family

Matt Caiola
Luxury Real Estate Advisor
Request a private showing and get Matt's read on price, condition, and next steps.
About This Home
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.
Key Facts
- City/Town
- Groton
- Neighborhood
- Mystic
- Property / Style
- Single Family · Cape Cod
- Year Built
- 2007
- Days on Market
- 270 days
- Beds
- 4
- Baths
- 5 full · 1 half
- Living Area
- 5,686 sq ft
- Lot Size
- 0.95 acres
- Garage / Parking
- 3 garage · 6 total
- Property Taxes
- $26,601 / Annually
Market Snapshot
The Groton Market
Single Family · trailing 12 months
Active Listings
45
53 under contract
Median List Price
$585,000
45 active listings
Median Closed Price
$435,000
292 sales
Median Days on Market
42
45 active listings
Median $ / Sq Ft
$331
45 active listings
Sale-to-List Ratio
100.0%
292 sales
How this home compares
List Price
$3.25M
vs $585,000 median
5.6× the median
Price / Sq Ft
$572
vs $331 median
72.8% above median
Days on Market
270 days
vs 42 days median
228 days longer than median
Based on 45 active and 292 closed sales (trailing 12 mo) of single family in Groton. Source: SmartMLS · As of July 27, 2026.
Location
21 Grove Avenue, Groton, Connecticut
Estimate Your Payment
Estimated Monthly Payment
Rates: Freddie Mac PMMS via FRED · Updated Jul 23, 2026per month
- Principal & Interest$16,571
- Property Taxes$2,217
- Insurance$1,083
- HOA$0
Estimates only. Actual rates, taxes, insurance, and HOA fees vary. Consult a lender for current rates.
Location
- City/Town
- Groton
- Neighborhood
- Mystic
- County
- New London
Residence
- Property Type
- Single Family
- Style
- Cape Cod
- Year Built
- 2007
- New Construction
- No/Resale
- Living Area
- 5,686 sq ft
- Below Grade
- 1,678 sq ft
Schools
- Elementary
- Per Board of Ed
- High
- Fitch Senior
Interior
- Heating
- Hot Air
- Heat Fuel
- Oil
- Cooling
- Central Air
- Fireplaces
- 6
- Laundry
- Main Level
- Laundry Location
- Off of half bath on first floor
- Appliances
- Gas CooktopOven/RangeMicrowaveRefrigeratorFreezerDishwasherDisposalCompactorWasherDryer
- Basement
- FullHeatedFully FinishedCooled
- Interior Features
- Audio SystemAuto Garage Door OpenerCable - Available
Exterior & Lot
- Lot Size
- 0.95 acres
- Zoning
- RS-12
- Garage / Parking
- 3 garage spaces6 total parking spacesAttached GarageOff Street ParkingDrivewayGravel
- Waterfront Details
- Walk to WaterView
- Water Source
- Public Water Connected
- Sewer
- Public Sewer Connected
- Construction
- Hardie Board
- Roof
- Asphalt Shingle
- Foundation
- Concrete
- Exterior Features
- GrillLightingStone WallUnderground SprinklerPatio
- Lot Description
- Level Lot
Listing & Financials
- Property Taxes
- $26,601 / Annually
- Days on Market
- 270
- MLS #
- 24136440
- MLS Status
- Active
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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 7/27/2026. 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 7/27/2026 at 9:10 PM UTC.