4 Tremont Street
Greenwich, Connecticut 06807
- Beds
- 4
- Baths
- 3
- SqFt
- 1,774
- Acres
- 0.19
- Year Built
- 1915
- Neighborhood
- Cos Cob
- Property Type
- 2 Family
Matt Caiola
Luxury Real Estate Advisor
Request a private showing and get Matt's read on price, condition, and next steps.
About This Home
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!
Key Facts
Market Snapshot
The Greenwich Market
Multi-Family · trailing 12 months
Active Listings
7
3 under contract
Median List Price
$1.40M
7 active listings
Median Closed Price
$1.27M
11 sales
Median Days on Market
57
7 active listings
Median $ / Sq Ft
$635
7 active listings
Sale-to-List Ratio
100.0%
11 sales
How this home compares
List Price
$1.50M
vs $1.40M median
7.2% above median
Price / Sq Ft
$843
vs $635 median
32.8% above median
Days on Market
0 days
vs 57 days median
57 days fresher than median
Based on 7 active and 11 closed sales (trailing 12 mo) of multi-family in Greenwich. Source: SmartMLS · As of October 9, 2026.
Location
4 Tremont Street, Greenwich, Connecticut
Estimate Your Payment
Estimated Monthly Payment
Rates: Freddie Mac PMMS via FRED · Updated Oct 8, 2026per month
- Principal & Interest$8,281
- Property Taxes$617
- Insurance$498
- HOA$0
Estimates only. Actual rates, taxes, insurance, and HOA fees vary. Consult a lender for current rates.
Location
Residence
- Property Type
- Multi-Family
- Subtype
- Duplex
- Style
- Units on different Floors
- Year Built
- 1915
- New Construction
- No/Resale
- Living Area
- 1,774 sq ft
Schools
- Elementary
- Cos Cob
- Middle
- Per Board of Ed
- High
- Greenwich
Interior
- Heating
- Hot Water
- Heat Fuel
- Natural Gas
- Cooling
- Window Unit
- Basement
- FullUnfinished
Exterior & Lot
- Lot Size
- 0.19 acres
- Zoning
- R-7
- Garage / Parking
- 1 garage spaceAttached Garage
- Waterfront Details
- Beach Rights
- Water Source
- Public Water Connected
- Sewer
- Public Sewer Connected
- Construction
- Shingle
- Roof
- Asphalt Shingle
- Foundation
- Stone
- Lot Description
- Level Lot
Listing & Financials
- Property Taxes
- $7,408 / Annually
- Days on Market
- 0
- MLS #
- 24213196
- MLS Status
- Active
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This information is believed to be accurate, but without warranty.
The IDX display contains information sourced from SmartMLS, Inc. as of 10/9/2026. This information is provided for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing or leasing. Data is deemed reliable but is not guaranteed accurate by the MLS, the listing broker, the listing agent, or Matt Caiola. Buyers and tenants should independently verify all information that matters to their decision.
Map locations may be approximate. Any offer of compensation, if applicable, is made only to participants of the MLS where the listing is filed. ©2026 Smart MLS, Inc. All rights reserved.
Data last updated on 10/9/2026 at 7:10 AM UTC.