23

Cos Cob, CT Homes for Sale

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  • /24

    $1,695,000

    • Land
    • 17,424 Sq Ft
    • $4,237,500 per Acre

    25 Circle Dr, Greenwich, CT 06830

    A rare opportunity to create your dream home on this .40-acre parcel ideally situated on a quiet cul-de-sac in a sought-after neighborhood. The property offers the ability to build a custom residence of just over 5,000 square feet and is being offered with full architectural plans and an approved demolition permit already in place, providing a streamlined path to construction. Residents enjoy

    Agent Photo

    Danielle Malloy

    Serhant Connecticut LLC

    25 Circle Dr, Greenwich, CT 06830
  • /35

    $1,850,000

    • 3 Beds
    • 3 Baths
    • 2,972 Sq Ft

    33 Sachem Rd, Greenwich, CT 06830

    Tucked into a parklike half-acre south of the Post Road, 33 Sachem Road is a commuter's dream a block from the train, parks, and shops. This beautifully maintained 3+ bedroom, 3-bath home features an open floor plan, an eat-in kitchen with center island and skylights, and a luxurious primary suite. A rare in-home elevator adds ease across every level, while the finished lower level offers a

    Jessica Sigmund Compass Connecticut, LLC

    33 Sachem Rd, Greenwich, CT 06830
  • /7

    $70,000

    $15K PRICE DROP

    7 River Rd Unit Boat Slip A-2, Cos Cob, CT 06807

    Boat slip at palmer point marina located at A-2.

    James Capparelle Coldwell Banker Realty

    7 River Rd Unit Boat Slip A-2, Cos Cob, CT 06807
  • /2

    $4,200,000

    Coming Soon
    • 4 Beds
    • 4.5 Baths
    • 4,662 Sq Ft

    4 Sachem Ln, Greenwich, CT 06830

    Beautifully reimagined modern farmhouse on a quiet Greenwich cul-de-sac, offering 4 bedrooms, 4 full & 1 half baths across four finished levels. Renovated with a timeless coastal feel, featuring wide-plank white oak floors, abundant natural light, town utilities, natural gas, bluestone patios, EV-ready charge & a level backyard with possible pool site. The chef's kitchen, designed by an

    Sabrina Adorno William Raveis Real Estate

    4 Sachem Ln, Greenwich, CT 06830
  • /40

    $2,600,000

    $95K PRICE DROP
    • 4 Beds
    • 4.5 Baths
    • 3,826 Sq Ft

    681 River Rd, Cos Cob, CT 06807

    Chalet d'Amour This home is priced at least a cool $1 million below the floor for comparable Greenwich houses - and below what the empty land alone would cost. So the 3,826-square-foot, architect-designed contemporary? Effectively free. Both claims are easy to check. The land: every comparable Greenwich lot - same town, same schools, two-plus acres - is offered for more than the asking price

    Paula Waldman Berkshire Hathaway NE Prop.

    681 River Rd, Cos Cob, CT 06807
  • /38

    $2,695,000

    Coming Soon
    • 4 Beds
    • 4 Baths
    • 3,026 Sq Ft

    46 Valleywood Rd, Greenwich, CT 06830

    Inviting four-bedroom Tudor enjoys a beautiful, private backyard elevated by bluestone patioand lush, mature plantings on a desirable road near schools, shops and trains. Spacious interior blends exquisite details with modern amenities including wood floors, four updated full baths and new windows. Welcoming front porch leads into living room with wood stove; dining room, chef's kitchen, with

    Alex Jacobson Houlihan Lawrence

    46 Valleywood Rd, Greenwich, CT 06830
  • /26

    $1,579,000

    $71K PRICE DROP
    • 4 Beds
    • 3 Baths
    • 2,720 Sq Ft

    4 Cos Cob Ave, Cos Cob, CT 06807

    Move right into this beautifully maintained 4-bedroom home in the heart of Cos Cob! The first floor offers a wonderful open-concept family room flowing seamlessly into the eat-in kitchen, creating the perfect space for everyday living and entertaining. A formal dining room, full bath, private office, and study complete the main level. Upstairs, you'll find four generously sized bedrooms and two

    Katie Benson Houlihan Lawrence

    4 Cos Cob Ave, Cos Cob, CT 06807
  • /53

    $2,500,000

    • 4 Beds
    • 4 Baths
    • 4,851 Sq Ft

    3 Carriage Rd, Cos Cob, CT 06807

    Nestled on a peaceful cul-de-sac in a desirable Cos Cob neighborhood, this beautifully crafted 2003 traditional offers approximately 4,800 sq. ft. on 1.25 private acres. Thoughtfully designed for comfortable living and entertaining, the home is being offered for the first time since being built and features four spacious bedrooms, five full baths, and three fireplaces that add warmth and

    Stephen Archino Sotheby's International Realty

    3 Carriage Rd, Cos Cob, CT 06807
  • /7

    $123,500

    7 River Rd Unit Boat Slip E3, Cos Cob, CT 06807

    Barbara Stephens Sotheby's International Realty

    7 River Rd Unit Boat Slip E3, Cos Cob, CT 06807
  • /2

    $5,250,000

    Coming Soon
    • 5 Beds
    • 5.5 Baths
    • 6,997 Sq Ft

    16 Annjim Dr, Greenwich, CT 06830

    Exceptional 2015 center hall Colonial set on .36 level acres on a quiet cul-de-sac just three minutes from town, offering four finished levels of thoughtfully designed living. Soaring ceilings and abundant natural light fill every level with an open, airy feel. The large kitchen with center island and breakfast area flows seamlessly into a family room with French doors opening to a stunning,

    Amanda Bates Houlihan Lawrence

    16 Annjim Dr, Greenwich, CT 06830
  • /47

    $3,095,000

    • 4 Beds
    • 3 Baths
    • 3,543 Sq Ft

    51 Dandy Dr, Cos Cob, CT 06807

    Idyllic 1.03-acre luxury oasis. Four bedroom home blends elegant design with seamless indoor-outdoor living. Sun-drenched great room boasts vaulted beamed ceilings, arched windows & French doors to expansive decks. Chef's kitchen features premium Wolf/Sub-Zero appliances, granite counters, island & breakfast bar. Formal living room/library offers custom built-ins. Primary suite features walk-in

    Jennifer O'Brien Houlihan Lawrence

    51 Dandy Dr, Cos Cob, CT 06807
  • /40

    $4,450,000

    New Construction $400K PRICE DROP
    • 5 Beds
    • 6.5 Baths
    • 5,773 Sq Ft

    85 Indian Field Rd, Greenwich, CT 06830

    Stunning Colonial, reimagined and rebuilt by Prime Renovations, offering exceptional craftsmanship & sophisticated finishes. This impressive residence features 5 en-suite bedrooms, 6 full and 1 half baths across four finished levels of living space.The gracious floor plan is enhanced by wide hallways, dramatic 5-foot-wide staircases, premium white oak flooring, abundant natural light, &

    Maria Crowley Houlihan Lawrence

    85 Indian Field Rd, Greenwich, CT 06830
  • /40

    $1,500,000

    $75K PRICE DROP
    • 2 Beds
    • 2.5 Baths
    • 1,910 Sq Ft

    115 River Rd Unit 3, Cos Cob, CT 06807

    Unparalleled water views and boater's dream. Quality renovation, includes 30' boat slip, 16 units at River Landing. Channel access to Long Island Sound. Common fees include private dock. Updated eat-in kitchen w/Bosch SS appliances. Dining room features river views. Relax by the fireplace in LR or step through sliders onto your scenic deck. Primary suite w/completely updated bath, Waterworks

    Roxana Bowgen Sotheby's International Realty

    115 River Rd Unit 3, Cos Cob, CT 06807
  • /10

    $409,950

    • 2 Beds
    • 1 Bath
    • 800 Sq Ft

    49 Valley Rd Unit C1, Cos Cob, CT 06807

    Charming 2 Bedroom 1 Bath ground level corner condo in the heart of Cos Cob. The Old Mansion House is a quiet and peaceful complex with only 15 units. Move in and enjoy this condo right away or renovate and make it your own. One assigned exterior parking space and your own garage space below the unit. Shared laundry and extra storage in the basement. Monthly Common Charges of $647.20 include

    Ann Simpson BHHS New England Properties

    49 Valley Rd Unit C1, Cos Cob, CT 06807
  • /38

    $2,695,000

    Coming Soon
    • 4 Beds
    • 4 Baths
    • 3,026 Sq Ft

    46 Valleywood Rd, Cos Cob, CT 06807

    Inviting four-bedroom Tudor enjoys a beautiful, private backyard elevated by bluestone patio and lush, mature plantings on a desirable road near schools, shops and trains. Spacious interior blends exquisite original details with modern amenities including wood floors, four updated full baths and new windows. Welcoming front porch leads into living room with wood stove; dining room, chef's

    Alex Jacobson Houlihan Lawrence

    46 Valleywood Rd, Cos Cob, CT 06807
  • /33

    $3,500,000

    $395K PRICE DROP
    • 4 Beds
    • 3.5 Baths
    • 4,700 Sq Ft

    39 Stanwich Rd, Greenwich, CT 06830

    Welcome to this quintessential Greenwich, CT home, centrally located within easy reach to schools, town amenities and trains. Beautifully setback high off from Stanwich Road on .91 acre. this meticulously kept home has continued to be updated over the years. Most recently, a renovation and addition of a bonus, mud and laundry room. All of the space is optimized inside and oriented towards the

    Wendy Hill Sotheby's International Realty

    39 Stanwich Rd, Greenwich, CT 06830
  • /24

    $1,450,000

    • 4 Beds
    • 3 Baths
    • 2,412 Sq Ft

    21 Windsor Ln, Cos Cob, CT 06807

    North Mianus School, Eastern Middle School. Open plan 1982 Construction home. 4 BDRM, 3 BATH, FP and extra large 15' by 30' Family room /FP on first floor. 2412 sqft with room for expansion to this R-7 home on .277 of an acre. FAR is .315Bright home on quiet street, connects to sidewalks on Valley Road. Come reimagine this home and make it yours. This won't last!

    Nancy Chin Park Allyn Realty Associates,

    21 Windsor Ln, Cos Cob, CT 06807
  • /7

    $1,495,000

    $80K PRICE DROP
    • Land
    • 22,651 Sq Ft
    • $2,875,000 per Acre

    9 Walnut St, Cos Cob, CT 06807

    ..52-Acre Buildable Lot with Existing Cottage -- North Mianus Nestled at the end of a private road in the desirable North Mianus neighborhood, this .52-acre property offers a rare combination of privacy, potential, and flexibility. Build your own custom home--ideal for builders, investors, or end-users looking to create their dream residence. In addition to the new-construction opportunity, the

    Peter Janis BHHS New England Properties

    9 Walnut St, Cos Cob, CT 06807
  • /7

    $108,000

    7 River Rd Unit Boat Slip H3, Cos Cob, CT 06807

    OWN A PIECE OF GREENWICH WATERFRONT.This prime location affords easy and quick access to open water. A 40' slip, it will accommodate a boat up to 44'. Popular Palmer Point provides electric power of 30 and 50 amps, fresh water and shower facililites, year-round bubble system, a marina supply store, fuel and repair center.

    Barbara Stephens Sotheby's International Realty

    7 River Rd Unit Boat Slip H3, Cos Cob, CT 06807
  • /22

    $2,895,000

    • 4 Beds
    • 4.5 Baths
    • 3,409 Sq Ft

    47 Ridge St, Cos Cob, CT 06807

    Tucked at the end of a private road in Cos Cob, this newly built (2025) Louis Contadino-designed home offers a layout rarely available in central Greenwich at this price point: sophisticated single-level main-floor living over a fully finished walk-out lower level, all on a private 0.34-acre setting. The main floor delivers four bedrooms -- three with private en-suite full baths, including a

    Joy Kim Metalios Houlihan Lawrence

    47 Ridge St, Cos Cob, CT 06807
  • /41

    $2,195,000

    $104K PRICE DROP
    • 5 Beds
    • 3.5 Baths
    • 2,956 Sq Ft

    42 Stone Brook Ln, Cos Cob, CT 06807

    Freshly transformed and wonderfully light and bright with its recent interior repaint, this exceptional value in Cos Cob with direct access to Mianus Park is now even more compelling at its new price. Set on 1 acre, privately tucked at the end of a peaceful cul-de-sac in the sought-after North Street School district, this contemporary 5-bedroom home offers over 4,000 sq. ft. of open living space,

    Cora Lynch-O'Meara Brown Harris Stevens CT, LLC

    42 Stone Brook Ln, Cos Cob, CT 06807
  • /12

    $9,500,000

    • Land
    • 2.43 Acres
    • $3,909,465 per Acre

    39 Brookridge Dr, Greenwich, CT 06830

    A rare opportunity to build a significant Greenwich estate in one of the town's most desirable locations. 2.43 level acres in a 1 acre zone with no wetlands, this property is a mere three minutes from town and offers space for an exceptional 14,000SF (above grade) main residence with pool, tennis court and an 800SF secondary structure. Final stages of town approval for residence and eight-bedroom

    Amanda Bates Houlihan Lawrence

    39 Brookridge Dr, Greenwich, CT 06830
  • /14

    $28,500,000

    • 7 Beds
    • 12 Baths
    • 18,370 Sq Ft

    39 Brookridge Dr, Greenwich, CT 06830

    Set along a quiet street 3 mins from town, this exceptional 2027 new construction blends timeless architecture with modern livability. A striking white brick façade, steep gables, and dark-framed windows create a refined yet welcoming presence. Warm interior light highlights expansive living spaces, including a dramatic kitchen and family room designed for both everyday living and elevated

    Amanda Bates Houlihan Lawrence Inc.

    39 Brookridge Dr, Greenwich, CT 06830

Why Live in Cos Cob

Cos Cob, CT, is a family-oriented community within Greenwich, known for its parks and nature trails. The area features a mix of colonial-era homes and newer traditional-style builds, with condos starting around $600,000 and single-family homes often priced between $1 million and $2 million. The community is served by highly-rated schools, including Cos Cob School, Central Middle School, and Greenwich High School, which are part of the well-regarded Greenwich Public Schools. Residents enjoy dining and shopping along East Putnam Avenue, with local favorites like Rinaldi’s Deli, Little Pub Greenwich, and specialty shops such as Fjord Fish Market and Greenwich Cheese Company. For things to do, Montgomery Pinetum Park offers a peaceful retreat, while Bible Street Park provides playgrounds and sports fields. The Cos Cob Metro-North station facilitates easy commutes to Grand Central Station in about an hour and ten minutes, and Interstate 95 offers direct access to New York and the Eastern Seaboard. White Plains Airport, 6 miles away, provides convenient air travel options. However, parts of Cos Cob are prone to flooding, and homes near Interstate 95 and the train station may experience noise from passing vehicles.

Frequently Asked Questions

What is the average home price in Cos Cob, CT?
Homes for sale in Cos Cob, CT have an average home price of $1,648,359.
Are home prices dropping in Cos Cob?
Yes, home prices in Cos Cob are down 11% in the last 12 months.
How many homes have sold over the last 12 months in Cos Cob, CT?
98 homes have sold in Cos Cob, CT over the last 12 months.
What is the average household income in Cos Cob, CT?
The average household income in Cos Cob, CT is $195K.
What are the most popular zip codes in Cos Cob, CT?
The most popular zip codes in Cos Cob, CT include 06807, 06878, 06830, 06870 and 06902.
How much do you need to make to afford a house in Cos Cob?
The median home price in Cos Cob is $1,550,000. If you put a 20% down payment of $310,000 and had a 30-year fixed mortgage with an interest rate of 6.43%, your estimated principal and interest payment would be $7,780 a month plus property taxes, HOA fees, home insurance, PMI, and utilities. Using the 28% rule, you would need to make at least $333K a year to afford the median home price in Cos Cob. Learn how much home you can afford with our Home Affordability Calculator. The average household income in Cos Cob is $195K.
How are the schools in Cos Cob, CT?
Cos Cob, CT has highly rated public and private schools. Some of the best schools in Cos Cob based on Niche Grades are Brunswick School, Greenwich High School and Eastern Middle School. Browse all the schools in Cos Cob, CT to learn more.

Home Price Trends

Median Sale Price
$1,577,575
Median Single Family Sale Price
$1,870,000
Median Townhouse Sale Price
$1,100,000
Median 2 Bedroom Sale Price
$850,000
Median 1 Bedroom Sale Price
$610,000
Average Price Per Sq Ft
$733
Number of Homes for Sale
12
Last 12 months Home Sales
98
Months of Supply
1.50
Median List Price
$1,550,000
Median Change From 1st List Price
0%
Median Home Sale Price YoY Change
-10%
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