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All Cos Cob Condos For Sale

340 Valley Rd Unit 2, Greenwich image
340 Valley Rd Unit 2, Greenwich — Valley Ridge $2,795,000

Rare opportunity to own this turnkey home in the coveted gated community of Valley Ridge. Beautifully updated and meticulously maintained, it offers over 4,000 square fee...

  • 4 Beds
  • 4 Baths
  • 24205426 MLS
  • Valley Ridge Bldg.
24 Harold Street Unit B, Cos Cob image
24 Harold Street Unit B, Cos Cob $1,699,000

Welcome to 24 Harold Street, where style, space, and convenience meet in the heart of Cos Cob. Enjoy easy access to parks, coffee shops, restaurants, the waterfront, Metr...

  • 4 Beds
  • 4 Baths
  • 125684 MLS
115 River Road Unit 5, Cos Cob image
115 River Road Unit 5, Cos Cob $1,379,000 ▲

Rare find! Waterfront condo community with a private boat dock included. This 3-story, 2BR/2.5BA, 1732 sqft plus 420 sqft partly finished basement and 220sqft unfinished ...

  • 2 Beds
  • 3 Baths
  • 125728 MLS
49 Harold St Unit 2, Greenwich image
49 Harold St Unit 2, Greenwich — Mianus Park Townhomes - Under Review $869,500

Thoughtfully constructed 2BR, 3BA condo offering 1,428 sf of low-maintenance living with 9' ceilings in the desirable Cos Cob neighborhood of Greenwich, CT. The well-appo...

  • 2 Beds
  • 3 Baths
  • 24201092 MLS
  • Mianus Park Townhomes - Under Review Bldg.
49 Harold St Unit 1, Greenwich image
49 Harold St Unit 1, Greenwich — Mianus Park Townhomes - Under Review $869,500

Beautifully appointed 2BR, 3BA condo offers 1,428 SF of low-maintenance living with 9' ceilings in the desirable Cos Cob neighborhood of Greenwich, CT. The gourmet kitche...

  • 2 Beds
  • 3 Baths
  • 24200938 MLS
  • Mianus Park Townhomes - Under Review Bldg.
49 Harold Street Unit 2, Cos Cob image
49 Harold Street Unit 2, Cos Cob $869,500

Thoughtfully constructed 2BR, 3BA condo offering 1,428 sf of low-maintenance living with 9' ceilings in the desirable Cos Cob neighborhood of Greenwich, CT. The well-appo...

  • 2 Beds
  • 3 Baths
  • 125697 MLS
49 Harold Street Unit 1, Cos Cob image
49 Harold Street Unit 1, Cos Cob $869,500

Beautifully appointed 2BR, 3BA condo offers 1,428 SF of low-maintenance living with 9' ceilings in the desirable Cos Cob neighborhood of Greenwich, CT. The gourmet kitche...

  • 2 Beds
  • 3 Baths
  • 125696 MLS
453 E Putnam Avenue Unit 4G, Cos Cob image
453 E Putnam Avenue Unit 4G, Cos Cob $759,000

Enjoy easy single-floor living in this beautifully located 2-bedroom, 2-bath condominium featuring a bright, open-concept living & dining area with gas fireplace that flo...

  • 2 Beds
  • 2 Baths
  • 125633 MLS
7 River Road Unit Boat Slip C8, Cos Cob image
7 River Road Unit Boat Slip C8, Cos Cob $99,000

Boat Slip at the River Club of Greenwich, Palmer Point. The most desirable C dock in Palmer Point Marina! Over 4 feet of water at low tide. Steps away from the parking ar...

  • 125483 MLS
7 River Road Unit Boat Slip A2, Cos Cob image
7 River Road Unit Boat Slip A2, Cos Cob $70,000 ▼

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

  • 123351 MLS
78 River Road Unit 15, Cos Cob image
78 River Road Unit 15, Cos Cob $10,000 ▼

Furnished 3-bed, 3.1 bath Long Term Rental, available immediately. 1-car garage plus 1-space. Deck with water views and community pool. Magnificently decorated by owner/i...

  • 3 Beds
  • 4 Baths
  • 124897 MLS
15 River Road Unit 205, Cos Cob image
15 River Road Unit 205, Cos Cob $6,500

Experience the best of harbor-side living in this stunningly renovated direct waterfront rental. With docks right out your back door, this 2-bedroom, 2-bathroom home perf...

  • 2 Beds
  • 2 Baths
  • 125642 MLS
9 River Road Unit 404, Cos Cob image
9 River Road Unit 404, Cos Cob $3,650

Spacious one bedroom with lots of light with some water views. Living room/dining room with fireplace. Washer & dryer in Apartment. Spiral staircase to loft with great st...

  • 1 Beds
  • 1 Baths
  • 125767 MLS

The data relating to real estate for sale on this website appears in part through the SMARTMLS Internet Data Exchange program, a voluntary cooperative exchange of property listing data between licensed real estate brokerage firms, and is provided by SMARTMLS through a licensing agreement. Listing information is from various brokers who participate in the SMARTMLS IDX program and not all listings may be visible on the site. The property information being provided on or through the website is for the personal, non-commercial use of consumers and such information may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Some properties which appear for sale on the website may no longer be available because they are for instance, under contract, sold or are no longer being offered for sale. Property information displayed is deemed reliable but is not guaranteed. Copyright 2026 SmartMLS, Inc.

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