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    Greenwich, CT
    Duplex

    Greenwich, CT Duplexes for Sale

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    Cos Cob, CT Riverside, CT Stamford, CT Old Greenwich, CT Portchester, NY Bronx, NY Purchase, NY Bedford, NY
    Side-by-Side Duplex
    Updated: Jul 15
    Side-by-Side Duplex

    9 Columbus Avenue, Greenwich, CT 06830

    $1,775,000
    2,280 sqft 0.12 AC lot
    Two side‑by‑side residential units
    Each unit includes 2 bedrooms and 1.5 baths
    2,280 square feet of total property size
    0.12‑acre lot
    Built in 1997
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    Updated Duplex with New Roof
    Updated: Aug 12
    Updated Duplex with New Roof

    42 Gerry Street, Greenwich, CT 06830

    $1,189,000
    2,118 sqft
    2,118 SF duplex built in 1924
    Both units renovated within the last two years
    Ground‑level unit includes 3 bedrooms and 1 bath
    New roof installed in winter 2025 with a 50‑year transferable warranty
    New boiler and water heater
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    Side-by-Side Duplex
    Side-by-Side Duplex

    9 Columbus Ave, Greenwich, CT 06830

    $1,775,000
    2,280 sqft

    Two separate residences provide flexible occupancy options on a dead-end street in Greenwich.

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    See what stands out in Fairfield County

    We check every for-sale listing in the county against comparable properties across the country. Most price about where you would expect. A few are worth a second look.

    We check every listing here. A few are worth a second look.

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    Two-Unit Residential Income Property
    Two-Unit Residential Income Property

    276 Bruce Park Avenue, Greenwich, CT 06830

    $1,525,000
    1,969 sqft

    Side-by-side two-family home featuring a split-level 2-bedroom unit and a second multi-level unit with additional bedrooms or office space.

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    Two-Unit Duplex Property
    Two-Unit Duplex Property

    22 Lyon Avenue, Greenwich, CT 06830

    $1,249,000
    2,228 sqft

    Each residence offers two bedrooms, one bath, and dedicated laundry equipment in a residential income property.

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    Based on your search, we've compiled 9 Potential Opportunities for your consideration. Besides 5 Active listings in Greenwich, CT, we suggest exploring several alternatives: 4 properties in Nearby Cities

    Opportunities in Nearby Cities

    Here are 4 Similar properties we found in Nearby Locations for your consideration.

    Mixed-Use Building with Event Space
    Mixed-Use Building with Event Space

    Portchester, NY 10573

    $719,000
    0.04 AC lot

    Two occupied residences accompany a flexible ground-floor commercial area with kitchen and half bath.

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    Two-Family Duplex with Garage
    Two-Family Duplex with Garage

    Portchester, NY 10573

    $695,000
    0.23 AC lot

    Well-maintained duplex with separate living spaces, private laundry, outdoor areas, and convenient parking options.

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    Updated Duplex with Garage Storage
    Updated Duplex with Garage Storage

    Portchester, NY 10573

    $695,000

    Two residential units offer flexible living arrangements with private laundry, driveway parking, and shared outdoor space.

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    Mixed-Use Building With Event Space
    Mixed-Use Building With Event Space

    Portchester, NY 10573

    Contact for pricing

    Two residential apartments accompany a flexible ground-floor commercial area with a kitchen and half bath.

    View details

    Greenwich, CT Duplexes Market Trends and Statistics

    Explore 5 duplexes for sale in Greenwich, CT, showcased through 5 active listings on our real estate platform. These investment opportunities span a total of 10,875 square feet of properties for sale, with an estimated market value of $7,513,000.

    Sale prices for duplexes in Greenwich, CT start at $1,189,000, averaging $1,502,600, and reaching up to $1,775,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

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    Top Commercial Asset Segments

    Commercial property segments ranked by active listings on the market

    Duplexes 7
    Apartment buildings 1
    Short term rental properties 1

    Demographics Overview

    Population 40K
    Population Growth (5Y) -0.6%
    Median Household Income $173,484
    College Educated 52.6%

    High-Yield Neighborhoods for Investment

    Identify Greenwich submarkets with the highest inventory density on the market and evaluate the average listing prices of real estate assets

    Neighborhood Average Price
    06830 $1.5M

    Taxes & Financing

    Tax Rate (average for all types) 1.16%
    Property Tax per SF $12.82 per SF
    Tax Rate vs County Average 1.27 pp below county avg
    Average Loan-to-Value 65.0%

    Listings Trend

    New vs delisted commercial listings in Fairfield County

    New Delisted

    Total CRE Inventory on Market (SF)

    Average Property Price per SF

    For-sale pricing trends across core commercial property types in Fairfield County

    Office

    Property Size Breakdown

    The majority of commercial real estate listings in Greenwich fall within the 100,000+ square foot range.

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