Advertise
    Cos Cob, CT
    Duplex

    Cos Cob, CT Duplexes for Sale

    Notify Me
    List
    Map
    Two-Unit Duplex With Private Garages
    Updated: Aug 20
    Two-Unit Duplex With Private Garages

    49 Harold Street, Cos Cob, CT 06807

    $1,739,000
    Two 2BR, 3BA units, each with 1,428 SF
    Private garages and separately metered utilities for both residences
    Built in 2006 with 9' ceilings, ensuite bedrooms, custom closets, and second‑floor laundry
    Unit 2 includes multiple balconies, a whirlpool tub, separate shower, and mahogany deck
    Unit 1 offers an open living/dining area, gas stove, and lower‑level family room
    View details
    Turn a Listing Into an Investment Snapshot Cap Rate, Potential NOI, Demand score for every listing. Go To Analytics Center
    Based on your search, we've compiled 5 Potential Opportunities for your consideration. Besides 1 Active listings in Cos Cob, 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.

    Duplex with Paved Parking
    Duplex with Paved Parking

    13 Orlando Avenue, Stamford, CT 06902

    $849,000
    2,056 sqft

    Two residential units provide flexible bedroom and bath layouts under month-to-month tenancy.

    View details
    Updated Duplex with Rental Income
    Updated Duplex with Rental Income

    73 Alvord Ln, Stamford, CT 06902

    $735,000
    0.14 AC lot

    Renovated first-floor unit pairs with a rented second-floor apartment for owner-occupant or investment use.

    View details
    Two-House Duplex Property
    Two-House Duplex Property

    555557 Putnam Avenue, Greenwich, CT 06830

    $850,000
    3,265 sqft 0.13 AC lot

    Four residential apartments across two houses, with LB zoning and additional construction capacity.

    View details
    Mixed-Use Property with Detached Garage
    Mixed-Use Property with Detached Garage

    400 Putnam Avenue, Greenwich, CT 06830

    $1,395,000

    Retail space, two second-floor apartments, and rear access connecting US1 with Valley Road.

    View details

    Cos Cob, CT Duplexes Market Trends and Statistics

    Explore 1 duplexes for sale in Cos Cob, CT on our real estate platform.

    Sale prices for duplexes in Cos Cob, CT average $1,739,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

    List
    Map

    Top Commercial Asset Segments

    Commercial property segments ranked by active listings on the market

    Duplexes 2

    Demographics Overview

    Population 7,667
    Population Growth (5Y) +3.8%
    Median Household Income $194,492

    High-Yield Neighborhoods for Investment

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

    Neighborhood Average Price
    06807 $1.3M

    Taxes & Financing

    Tax Rate (average for all types) 1.17%
    Property Tax per SF $12.89 per SF
    Tax Rate vs County Average 1.26 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

    Residential Income

    Need Help?

    Reach out if you need assistance with Realmo tools or have questions about your listings

    Contact Us

    Browse Duplexes for Sale Near Cos Cob, CT

    Popular Searches in Cos Cob, CT

    Popular Categories

    Most Searched ZIP Codes in Cos Cob, CT

    • 06807

    Select Neighborhood

    Google sign-in failed. Please try again or use another login method.
    Sign Up Successful!
    You now have access to more from Realmo!