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4 Beds
3 Baths
1,774 sqft

$1,495,000

4 Tremont Street, Cos Cob CT, 06807

Price per sqft$842.73
Built in1915
Property size1,774 sqft
Property typeResidential

Overview

Active

Listed Oct 9, 2026

Updated 35h ago

Currently set up as a multifamily in a single family zone. Exceptional opportunity in one of Cos Cob's most desirable neighborhoods! This charming two-family offers incredible versatility for investors, builders, and end users. Renovate the existing multifamily or explore conversion into a beautiful single-family residence. With current rents below market, there is immediate income and significant potential to optimize rental revenue. Buyers considering conversion can collect rent to offset carrying costs while pursuing plans and approvals. Features include hardwood floors, spacious living areas, a large rear deck, private backyard, attached garage, and driveway parking. A rare opportunity to unlock value in a sought-after Cos Cob location!

$9,946/mo

Est. mortgage payment based on a $1,495,000 home price.

All estimates are provided by Luxury Presence for informational purposes only. Actual amounts may vary.

Additional information

MLS® ID
126024

Interior Features

Bedrooms
4
Bathrooms
3
Cooling
Yes
Heating
Yes
Basement
Yes

Exterior Features

Lot Size
0.19 Acres

Other Property Details

Taxes
$7,408
Tax Frequency
Annually
Garage
Yes

Also listed on Smart MLS

MLS provider logo

Listed by Mike Parelli with Mike Parelli Real Estate LLC
Listing Contact:  

The IDX display contains information sourced from the Greenwich Association of REALTORS® as of 10/10/2026. This data is intended solely for personal, non-commercial use and is not to be utilized for any other purposes except to identify potential properties for purchase. Although the MLS data displayed is typically considered reliable, it is not guaranteed to be accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and are advised to conduct their own investigations or seek professional assistance. Other sources besides the Listing Agent may have contributed to the MLS data presented. Unless expressly specified in writing, the Broker/Agent has not confirmed any information obtained from external sources. The Broker/Agent may or may not have acted as the Listing and/or Selling Agent and cannot guarantee the accuracy of property locations displayed on any map. Any compensation offers are solely made to participants of the MLS where the listing is registered.

©2026 Greenwich Association of REALTORS® all rights reserved.

Data last updated on 10/10/2026 at 3:55 AM UTC

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