Prevu by reAlpha
BuySellBlogBrowse Listings

4 Tremont StreetCos Cob, CT 06807

For Sale

$1,495,000

Smart Buyer Rebate $14,950

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!

Listed by Mike Parelli

·

License #REB.0792339

·

Mike Parelli Real Estate LLC

·

203-940-2666

Last updated October 14, 2026

·

Source: FlexMLS #126024

Listing Facts

  • TypeSingle-family
  • NeighborhoodCos Cob
  • Bedrooms4
  • Bathrooms3
  • Days on Prevu22
  • Taxes$7,408/year
  • Size3,069 sqft
  • Price per sqft$487

Amenities

  • Parking

Location

Mortgage Calculator

Listing History

10/09/2026
Listed by Mike Parelli Real Estate LLC
$1,495,000
  1. 10/09/2026$1,495,000
    Listed by Mike Parelli Real Estate LLC

Property Details for 4 Tremont Street

Exterior

Construction

  • Roof: Asphalt
  • Year Built: 1915
  • Architectural Style: Other
  • Construction Materials: Shingle Siding

Measurements

  • Building Area Total: 3,069
  • Lot Features: Level
  • Lot Size Acres: 0.19
  • Lot Size Area: 0
  • Lot Size Square Feet: 8,276
  • Lot Size Units: Acres

Financial

Taxes

  • Parcel Number: 8-1501/S
  • Tax Annual Amount: $7,408.00
  • Tax Assessed Value: $706,580.00

Interior

Rooms

  • Basement: Unfinished
  • Bathrooms Full: 3
  • Bathrooms Total Integer: 3
  • Bedrooms Total: 4

Other

General

  • Exclusions: See Remarks

Location

  • City Region: Cos Cob

Parking

Parking

  • Garage Spaces: 1
  • Parking Features: Attached Garage, Off Street

Schools

Elementary School

  • Elementary School: Cos Cob

Middle or Junior School

  • Middle Or Junior School: Central

Utilities

Equipment

  • Cooling: Wall Unit(s)
  • Has Cooling: Yes
  • Heating: Natural Gas, Hot Water
  • Has Heating: Yes
  • Sewer: Town Sewer
  • Water Source: Public

Frequently Asked Questions

How many bedrooms and bathrooms does this single-family home have?

There are 4 bedrooms and 3 bathrooms in this single-family home at 4 Tremont Street.

What schools are nearby to 4 Tremont Street?

Nearby schools include the Cos Cob Elementary School and Central Middle School.

Does this single-family home have parking?

Yes, there is 1 parking space available for 4 Tremont Street.

What are the annual taxes for 4 Tremont Street?

Annual taxes for this single-family home are estimated at $7,408.

How does 4 Tremont Street compare to other single-family homes in Cos Cob?

This single-family home is listed 34% below the average price for single-family homes in Cos Cob and has been on the market for 55 less days than the typical home in this area.

What is the square footage on this single-family home?

According to the MLS, this listing is 3,069 sqft.

4 Tremont Street is a 4-bedroom, 3-bath single-family home for sale in Cos Cob CT 06807. On Prevu for 22 days at $1,495,000. This home features 3,069 square feet of living space, located in Cos Cob. The median listing price for single-family homes in this area is $1,772,500. Nearby schools include Cos Cob Elementary School and Central Middle School. Additional amenities include parking. View other single-family home listings in Fairfield County.

Based on information from Greenwich Multiple Listing Service, Inc. and/or other sources. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by Prevu or the MLS. Information is provided exclusively for consumer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumer may be interested in purchasing.

Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.