Completely rebuilt and renovated in 2023, this pristine, move-in-ready home offers modern living on a beautiful 0.23-acre corner lot within walking distance to downtown Mystic. Featuring central air, natural gas heat, updated systems, and low-maintenance turnkey living, this home is designed for both comfort and convenience. Step inside and you'll find a bright and airy, designer inspired interior featuring quartz countertops, white maple cabinetry, stainless steel appliances, and spa-like marble baths. The main level includes a spacious primary bedroom with a walk-in closet and a beautifully appointed marble bath complete with a soaking tub and oversized walk-in shower. A second bedroom is also located on the main level, offering convenient one-floor living. The finished walkout lower level features its own private entrance along with a family room, third bedroom, full bath, and kitchenette, creating exceptional flexibility for in-law living, guests, an au pair, home office, or recreation space. Outdoor living is equally impressive with multi-tier decking, an outdoor shower, garden beds, and a beautifully fenced-in corner lot perfect for entertaining, pets, or play. Additional improvements include new siding, windows, doors, and a spacious Kloter Farms shed providing generous storage. Don't miss this opportunity to enjoy beautifully renovated, turnkey living conveniently located near downtown Mystic, restaurants, shopping, and the waterfront.
Sold for $690,000
$690,000
21 Overlook Avenue, Groton, CT 06355
3beds
1,662sqft
Single Family Residence
Built in 1965
10,018 Square Feet Lot
$695,400 Zestimate®
$415/sqft
$3,961 Estimated rent
Home value
$695,400
$640,000 - $758,000
$3,961/mo
Zestimate® history
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Zillow last checked:
Listing updated:
Listed by:
Katy T. Fetherston (860)319-7231,
Compass Connecticut, LLC 860-572-9099
Bought with:
Katie Korpi, RES.0801021
Berkshire Hathaway NE Prop.
Source: Smart MLS,MLS#: 24177604
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 3
- Bathrooms: 2
- Full bathrooms: 2
Primary bedroom
- Features: Remodeled, Full Bath, Tub w/Shower, Walk-In Closet(s), Hardwood Floor, Marble Floor
- Level: Main
Bedroom
- Features: Remodeled, Ceiling Fan(s), Hardwood Floor
- Level: Main
Bedroom
- Features: Remodeled
- Level: Lower
Bathroom
- Features: Remodeled, Full Bath, Marble Floor
- Level: Main
Bathroom
- Features: Remodeled, Full Bath, Stall Shower, Marble Floor
- Level: Lower
Family room
- Features: Remodeled, Wet Bar
- Level: Lower
Kitchen
- Features: Remodeled, Quartz Counters, Eating Space, Pantry, Hardwood Floor
- Level: Main
Living room
- Features: Remodeled, Hardwood Floor
- Level: Main
Heating
- Forced Air, Natural Gas
Cooling
- Ceiling Fan(s), Central Air, Zoned
Appliances
- Included: Gas Range, Microwave, Range Hood, Refrigerator, Dishwasher, Washer, Dryer, Wine Cooler, Gas Water Heater, Tankless Water Heater
- Laundry: Lower Level
Features
- In-Law Floorplan
- Doors: Storm Door(s)
- Windows: Thermopane Windows
- Basement: Full,Heated,Storage Space,Finished,Cooled,Walk-Out Access,Liveable Space
- Attic: Floored,Pull Down Stairs
- Has fireplace: No
Interior area
- Total structure area: 1,662
- Total interior livable area: 1,662 sqft
- Finished area above ground: 1,662
Property
Parking
- Total spaces: 6
- Parking features: Paved, Driveway, Private, Asphalt
- Has uncovered spaces: Yes
Accessibility
- Accessibility features: Accessible Bath
Features
- Patio & porch: Porch, Deck, Patio
- Exterior features: Outdoor Grill, Rain Gutters, Garden
Lot
- Size: 10,018 Square Feet
- Features: Corner Lot, Dry, Level, Landscaped
Details
- Parcel number: 1958628
- Zoning: RS-12
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Ranch
- Property subtype: Single Family Residence
Materials
- Vinyl Siding
- Foundation: Concrete Perimeter
- Roof: Shingle
Condition
- New construction: No
- Year built: 1965
Utilities & green energy
- Sewer: Public Sewer, Septic Tank
- Water: Public
- Utilities for property: Cable Available
Green energy
- Green verification: ENERGY STAR Certified Homes, Home Energy Score
- Energy efficient items: Insulation, Doors, Windows
Community & HOA
Community
- Features: Health Club, Library, Medical Facilities, Park, Private School(s), Public Rec Facilities
- Subdivision: Mystic
HOA
- Has HOA: No
Location
- Region: Groton
Financial & listing details
- Price per square foot: $415/sqft
- Tax assessed value: $223,790
- Annual tax amount: $6,092
- Date on market: 5/31/2026
Price history
| Date | Event | Price |
|---|---|---|
| 7/7/2026 | Sold | $690,000+6.2%$415/sqft |
Source:  Smart MLS #24177604 Report a problem | ||
| 6/9/2026 | Pending sale | $649,900$391/sqft |
Source: Smart MLS #24177604 Report a problem | ||
| 6/5/2026 | Listed for sale | $649,900+549.9%$391/sqft |
Source: Smart MLS #24177604 Report a problem | ||
| 8/24/2025 | Listing removed | $3,500$2/sqft |
Source: Smart MLS #24115751 Report a problem | ||
| 8/6/2025 | Listed for rent | $3,500+133.3%$2/sqft |
Source: Smart MLS #24115751 Report a problem | ||
| 9/3/2014 | Listing removed | $1,500$1/sqft |
Source: William Raveis Real Estate #E277829 Report a problem | ||
| 8/5/2014 | Price change | $1,500-6.3%$1/sqft |
Source: William Raveis Real Estate #E277829 Report a problem | ||
| 7/12/2014 | Listed for rent | $1,600$1/sqft |
Source: William Raveis Real Estate #E277829 Report a problem | ||
| 8/16/2013 | Listing removed | $1,600$1/sqft |
Source: William Raveis Real Estate Report a problem | ||
| 8/7/2013 | Listed for rent | $1,600$1/sqft |
Source: William Raveis Real Estate #E269165 Report a problem | ||
| 1/5/1996 | Sold | $100,000$60/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $6,092 +24.4% | $223,790 +15.5% |
| 2024 | $4,898 +27.4% | $193,690 +22.5% |
| 2023 | $3,844 +2.3% | $158,130 |
| 2022 | $3,759 -15.4% | $158,130 +0.2% |
| 2021 | $4,445 +0.8% | $157,780 |
| 2020 | $4,408 +4.5% | $157,780 |
| 2019 | $4,217 +1.2% | $157,780 |
| 2018 | $4,167 +1.9% | $157,780 |
| 2017 | $4,090 +3.9% | $157,780 -3.7% |
| 2016 | $3,938 +3.4% | $163,800 |
| 2015 | $3,807 +2.4% | $163,800 |
| 2014 | $3,717 -0.8% | $163,800 |
| 2013 | $3,748 +2.7% | $163,800 |
| 2012 | $3,648 +0.1% | $163,800 -6.4% |
| 2011 | $3,645 +1.8% | $175,000 |
| 2010 | $3,579 +2.7% | $175,000 |
| 2009 | $3,484 +9.8% | $175,000 |
| 2008 | $3,173 +39.7% | -- |
| 2006 | $2,271 +2.1% | $94,430 -2.6% |
| 2005 | $2,225 +1.5% | $96,950 |
| 2004 | $2,193 -0.6% | $96,950 |
| 2003 | $2,206 +24.8% | $96,950 +50.5% |
| 2001 | $1,768 -11.9% | $64,400 |
| 2000 | $2,006 +2.1% | $64,400 |
| 1996 | $1,964 | $64,400 |
Find assessor info on the county website
Neighborhood: 06355
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Nearby schools
GreatSchools rating
- 5/10Mystic River Magnet SchoolGrades: PK-5Distance: 0.8 mi
- 5/10Groton Middle SchoolGrades: 6-8Distance: 1.5 mi
- 5/10Fitch Senior High SchoolGrades: 9-12Distance: 1.7 mi
Schools provided by the listing agent
- High: Fitch Senior
Source: Smart MLS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
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- Connecticut
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- Groton
- 06355
- 21 Overlook Avenue
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