18 River Lane
Westport, Connecticut 06880
- Beds
- 5
- Baths
- 5 | 1
- SqFt
- 4,135
- Acres
- 1.38
- Year Built
- 1939
- Neighborhood
- Old Hill
- Property Type
- Single 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
Update: Offers are due at 6pm on Monday June 15th. Set along one of Westport's most coveted stretches of the Saugatuck River, 18 River Lane is a timeless 1939 English Manor offering a rare blend of architectural character, waterfront serenity, and exceptional potential. Privately sited on 1.38 picturesque acres with sweeping river views and mature landscaping, this six-bedroom residence embodies the elegance and craftsmanship of a bygone era. Rich in period details, the home features graciously scaled rooms, distinctive architectural elements, and an inviting floor plan designed for both comfortable living and entertaining. The versatile layout includes a full walk-out lower-level apartment/studio, ideal for guests, extended family, a home office, creative workspace, or au pair accommodations. The spectacular riverfront setting provides a sense of tranquility and privacy while remaining just minutes from downtown Westport, the train, beaches, and top-rated schools. An extraordinary opportunity exists to further expand the estate, as the adjacent 1.13-acre building lot is also available for purchase, creating the potential for a remarkable compound or future development opportunity. A truly rare offering where historic charm, waterfront living, and limitless possibilities converge.
Key Facts
Market Snapshot
The Westport Market
Single Family · trailing 12 months
Active Listings
70
56 under contract
Median List Price
$4.70M
70 active listings
Median Closed Price
$2.42M
303 sales
Median Days on Market
60
70 active listings
Median $ / Sq Ft
$821
70 active listings
Sale-to-List Ratio
100.0%
303 sales
How this home compares
List Price
$2.10M
vs $4.70M median
55.3% below median
Price / Sq Ft
$508
vs $821 median
38.1% below median
Days on Market
46 days
vs 60 days median
14 days fresher than median
Based on 70 active and 303 closed sales (trailing 12 mo) of single family in Westport. Source: SmartMLS · As of July 27, 2026.
Location
18 River Lane, Westport, Connecticut
Estimate Your Payment
Estimated Monthly Payment
Rates: Freddie Mac PMMS via FRED · Updated Jul 23, 2026per month
- Principal & Interest$10,707
- Property Taxes$1,955
- Insurance$700
- HOA$0
Estimates only. Actual rates, taxes, insurance, and HOA fees vary. Consult a lender for current rates.
Location
Residence
- Property Type
- Single Family
- Style
- Cape Cod
- Year Built
- 1939
- New Construction
- No/Resale
- Living Area
- 4,135 sq ft
- Below Grade
- 700 sq ft
Schools
- Elementary
- Kings Highway
- High
- Staples
Interior
- Heating
- Hot Air
- Heat Fuel
- ElectricOil
- Cooling
- Central AirHeat PumpZoned
- Fireplaces
- 3
- Laundry
- Main Level
- Appliances
- Gas CooktopWall OvenMicrowaveRefrigeratorFreezerDishwasherWasherDryer
- Basement
- PartialApartmentInterior AccessWalk-out
- In-Law Apartment
- YesLower LevelSeparate Entry
- Interior Features
- Auto Garage Door OpenerCable - Pre-wiredSecurity System
- Additional Rooms
- FoyerLaundry Room
Exterior & Lot
- Lot Size
- 1.38 acres
- Zoning
- AA
- Garage / Parking
- 2 garage spacesAttached Garage
- Waterfront
- Direct waterfront
- Waterfront Details
- RiverAccess
- Water Source
- Public Water Connected
- Sewer
- Septic
- Flood Zone
- Yes
- Pool
- HeatedSafety FenceIn Ground Pool
- Construction
- Shingle
- Color
- white
- Roof
- Asphalt Shingle
- Foundation
- Concrete
- Exterior Features
- DeckGuttersLightingFrench DoorsUnderground Sprinkler
- Lot Description
- Fence - PartialAdditional Land Avail.Professionally LandscapedRollingWater View
Listing & Financials
- Property Taxes
- $23,456 / Annually
- Days on Market
- 46
- MLS #
- 24120643
- MLS Status
- Under Contract
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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 7/27/2026. 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 7/27/2026 at 2:05 PM UTC.