New London County, CT Duplexes for sale

Updated: Oct 10

Two-Unit Duplex

27-29 Columbus Avenue, Griswold, CT 06351

$459,000

2,464 sqft 0.33 AC lot

Two residences, each with 3 bedrooms and 1.5 bathrooms
2,464‑square‑foot duplex on a 0.33‑acre lot
Built in 2004; zoned BR
Central air conditioning and hardwood and tile flooring in both units
Private deck and separate garage for each residence

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Updated: Sep 21

Multifamily Property with Duplex

1203 Poquonnock Road, Groton, CT 06340

$275,000

50 sqft 0.52 AC lot

Two residential buildings plus a small shed
Studio building with separate loft area
Duplex with one larger unit and one smaller unit
0.52‑acre parcel
MVC zoning

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Two-Unit Duplex with Separate Decks

46-48 Carely Avenue, Griswold, CT 06351

$399,999

2,249 sqft 0.17 AC lot

Both residences offer three-bedroom layouts with kitchens, dining rooms, and living rooms.

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Renovated Two-Unit Duplex

463 East Main Street, Norwich, CT 06360

$525,000

3,087 sqft

Updated residential income property with flexible floor plans, modern finishes, and separate laundry hookups for each residence.

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Side-by-Side Duplex with River Views

52-54 Baker Avenue, Groton, CT 06340

$774,900

4,428 sqft 0.23 AC lot

Two attached residences offer four bedrooms, three full baths, central air, and separate living and family rooms on each side.

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Two-Unit Duplex with Water Views

2 Old Colchester Road, Waterford, CT 06375

$349,900

2,088 sqft 0.35 AC lot

Two one-bedroom residences each include a private entrance, laundry hookups, and a full bath.

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Mixed-Use Property with Apartment

1209 Poquonnock Road, Groton, CT 06340

$200,000

0.65 AC lot

Commercial improvements include an upstairs apartment and additional buildings conveyed in the same transaction.

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Two-Cottage Duplex Property

10 Hartford Avenue, Old Lyme, CT 06371

$609,900

960 sqft

Two separate cottages offer a flexible layout with outdoor features and beach access nearby.

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Two-Unit Duplex with Basement

13-15 Palmer Avenue, Griswold, CT 06351

$285,000

2,385 sqft 0.22 AC lot

Well-maintained residential income property with a backyard, off-street parking, and public utilities.

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Side-by-Side Duplex with Garage

45 Dunham Street, Norwich, CT 06360

$419,000

2,209 sqft 0.58 AC lot

Fully occupied two-family property with separate living spaces, off-street parking, and public utilities.

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Residential Income Property with River Views

642 Old Hartford Road, Colchester, CT 06415

$284,900

4,236 sqft

Three-building residential income property with a cottage that overlooks the river and a one-car garage plus loft space.

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Side-by-Side Duplex

9-11 S A Street, Norwich, CT 06360

$375,000

2,318 sqft 0.20 AC lot

Each residence has a dishwasher and washer/dryer hookups, with layouts of different bedroom and bath counts.

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Spacious Renovated Two-Family Home

65-67 Maple St, Griswold, CT 06351

$539,000

3,139 sqft 0.15 AC lot

Renovated two-family home with flexible living and income potential.

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Two-Family Waterview Home

23 Ridgewood Avenue, Waterford, CT 06385

$599,900

1,680 sqft

A flexible two-unit property near Ocean and Waterford Beach with waterviews and recent updates for owner-occupants or investors.

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Duplex with Renovated Unit

39 Elizabeth St, Norwich, CT 06360

$298,000

1,133 sqft

Two-family layout includes a renovated lower unit and a separate four-bedroom residence with hardwood floors and gas appliances.

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Updated Two-Family Duplex

155 Cliff St, Norwich, CT 06360

$370,000

2,035 sqft

Two spacious residences feature refreshed kitchens, bathrooms, and off-street parking with a private driveway.

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Two-Unit Multifamily Property

28 Durfey Street, Norwich, CT 06360

$425,000

1,638 sqft

Duplex configuration supports residential use in one unit and rental income from the other.

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Reconstructed Duplex with Outdoor Space

158 Cliff Street, Norwich, CT 06360

$315,000

1,685 sqft

Two residential units offer a practical layout with private parking and outdoor space on a corner lot.

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Duplex with Two Three-Bedroom Units

46-48 Carely, Griswold, CT 06351

$399,999

2,249 sqft

Each residence includes a kitchen, dining room, living room, full bathroom, and private deck.

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Reconstructed Two-Family Duplex

158 Cliff St, Norwich, CT 06360

$315,000

1,685 sqft

Corner-lot duplex with updated interiors, separate two-bedroom units, off-street parking, and outdoor space.

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Two-Unit Property with Detached Garage

24 Central Ave, Norwich, CT 06360

$339,000

1,861 sqft

Two residential units offer distinct layouts, upgraded mechanical systems, and a newly paved driveway.

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Duplex with Month-to-Month Leases

7 McKinley Avenue, Norwich, CT 06360

$418,925

3,653 sqft

Both units are occupied under month-to-month tenancy arrangements.

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Renovated 2-Unit Duplex

79 Prospect St, Norwich, CT 06360

$345,000

3,123 sqft

Vacant two-unit property with central air and flexible occupancy options in Norwich.

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2-Unit Duplex

64-66 Hill, Griswold, CT 06351

$360,000

2,284 sqft

Side-by-side residences have a large driveway for off-street parking.

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New London County, CT Duplexes Market Trends and Statistics

Explore 43 duplexes for sale in New London County, CT, showcased through 43 active listings on our real estate platform. These investment opportunities span a total of 96,140 square feet of properties for sale, with an estimated market value of $16,315,423.

Sale prices for two-family homes in New London County, CT start at $42,400, averaging $397,937, and reaching up to $774,900 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

Featured New London County Real Estate Agencies

Realmo connects you with licensed New London County CRE brokers providing property specifications, local market pricing, and commercial transaction underwriting support.

RE/MAX ON THE BAY

61 Pennsylvania Avenue Niantic, CT 06357

Phone: 18607390888

www.remaxniantic.com

RE/MAX Coast and Country

27 Coogan Boulevard, Bldg 1-B Mystic, CT 06355

Phone: 18605367600