20 Grove Avenue
Groton, Connecticut 06355
- Beds
- 4
- Baths
- 2 | 1
- SqFt
- 3,004
- Acres
- 0.53
- Year Built
- 1863
- Neighborhood
- Mystic
- Property Type
- Single Family

Matt Caiola
Luxury Real Estate Advisor
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About This Home
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.
Key Facts
- City/Town
- Groton
- Neighborhood
- Mystic
- Property / Style
- Single Family · Colonial
- Year Built
- 1863
- Days on Market
- 109 days
- Beds
- 4
- Baths
- 2 full · 1 half
- Living Area
- 3,004 sq ft
- Lot Size
- 0.53 acres
- Garage / Parking
- 1 garage
- Property Taxes
- $30,540 / Annually
Market Snapshot
The Groton Market
Single Family · trailing 12 months
Active Listings
46
47 under contract
Median List Price
$774,900
46 active listings
Median Closed Price
$451,000
295 sales
Median Days on Market
41
46 active listings
Median $ / Sq Ft
$347
46 active listings
Sale-to-List Ratio
100.0%
295 sales
How this home compares
List Price
$3.80M
vs $774,900 median
4.9× the median
Price / Sq Ft
$1,265
vs $347 median
3.6× the median
Days on Market
109 days
vs 41 days median
68 days longer than median
Based on 46 active and 295 closed sales (trailing 12 mo) of single family in Groton. Source: SmartMLS · As of August 24, 2026.
Location
20 Grove Avenue, Groton, Connecticut
Estimate Your Payment
Estimated Monthly Payment
Rates: Freddie Mac PMMS via FRED · Updated Aug 20, 2026per month
- Principal & Interest$19,516
- Property Taxes$2,545
- Insurance$1,267
- 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
- Colonial
- Year Built
- 1863
- New Construction
- No/Resale
- Living Area
- 3,004 sq ft
Schools
- Elementary
- Per Board of Ed
- High
- Fitch Senior
Interior
- Heating
- Hot Air
- Heat Fuel
- Oil
- Cooling
- Central Air
- Fireplaces
- 2
- Laundry
- Main Level
- Laundry Location
- Laundry on Main and Lower levels.
- Appliances
- Gas CooktopElectric RangeOven/RangeWall OvenMicrowaveRange HoodFreezerDishwasherDisposal
- Basement
- FullPartially Finished
Exterior & Lot
- Lot Size
- 0.53 acres
- Zoning
- RS-12
- Garage / Parking
- 1 garage spaceDetached Garage
- Waterfront
- Direct waterfront
- Waterfront Details
- River
- Water Source
- Public Water Connected
- Sewer
- Public Sewer Connected
- Flood Zone
- Yes
- Pool
- ConcreteSafety FenceIn Ground Pool
- Construction
- Clapboard
- Roof
- Asphalt Shingle
- Foundation
- BlockStone
- Lot Description
- Level LotProfessionally LandscapedHistoric DistrictWater ViewOpen Lot
Listing & Financials
- Property Taxes
- $30,540 / Annually
- Days on Market
- 109
- MLS #
- 24170583
- MLS Status
- Under Contract
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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 8/24/2026. 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 8/24/2026 at 10:55 PM UTC.