Active
151 Days on market
392 S Main St Cohasset — Photo 1 of 35

392 S Main St Cohasset — Photo 1 of 35

Recent Drop: $289,000

$4,489,000
$4,200,000

$4,200,000

392 S Main St, Cohasset, MA 02025

Cohasset, MA 02025

Beds

4

Baths

4.5

SqFt

5,763

Style

Single Family

Built

1800

A remarkable waterfront setting meets exceptional craftsmanship on 1.55 acres along Cohasset’s Gulph River. Reimagined over two years as a forever home, this residence was comprehensively reconstructed by a respected local builder and expanded from the original foundation up, transforming a classic Cape into an elegant French Colonial while preserving meaningful pieces of its history. More than 5,700 SF of living space is framed by panoramic river and marsh views with walls of glass presenting spectacular sunrises and serene sunsets. The home's slopeside position creates an elevated setting overlooking the river and marsh while offering a private backyard oasis. Inside the home, wide-plank hickory floors, high-efficiency Andersen windows and doors, closed-cell insulation, three-zone HVAC and a high-performance hot water system reflect the same attention to quality found throughout. At the center of the home, the chef’s gourmet kitchen pairs professional-grade Viking appliances with leathered Brazilian quartzite, custom cabinetry, imported Moroccan tile and a commercial-grade hood trimmed in reclaimed 1800s barn beams. Open living and dining spaces flow to the waterside deck, while the living room’s gas fireplace features a handcrafted mantel of the original hand-sawn barn beam. The primary suite is a private retreat with a balcony, a walk-in closet, and a distinctive spa bath with a custom Turkish-spindle vanity, an oversized clawfoot soaking tub, and a Tadelakt-finished shower. Three additional bedrooms and two more full baths complete the second floor. The finished walkout lower level, with two sets of French doors, water views, full bath, and polished concrete floors, offers flexible space for a gym, recreation, guests and more. Outside, an expansive lawn offering endless possibilities leads toward the river with timeless views across the estuary and direct access to the water. A renovated barn adds exceptional versatility, including a heated and cooled second floor ideal for an office or studio. MoistureShield CoolDeck composite decking, a backup generator, and thoughtful efficiency upgrades complete this extraordinary Cohasset property, just a short walk to the Village, commuter rail, restaurants, and harbor.

Immersive Experience

Market Value Analysis

This Property
Size (SqFt) →Price →
This Property$729/sqft
Local Avg (Cohasset)$593/sqft
23% AboveMarket Average

* Analysis is based on 17 actively listed and recently sold comparable properties strictly within Cohasset, MA.

Property Details

Financials

Original Price$4,489,000
Annual Taxes$24,492

Parking

Garage0
Off-Street6

Interior Specifications

Total Rooms16
Fireplaces1
FlooringTile, Concrete, Hardwood, Flooring - Stone/Ceramic Tile, Flooring - Hardwood
BasementFull, Finished, Walk-Out Access, Interior Entry, Concrete

Climate & Utilities

HeatingForced Air, Natural Gas
CoolingCentral Air
WaterPublic
SewerPrivate Sewer

Building & Exterior

ConstructionFrame
RoofShingle
FoundationConcrete Perimeter
ZoningRB

Property & Lot

Acres1.55
SqFt Lot67,518
Lot FeaturesCleared, Other

Amenities & Appliances

Range • Dishwasher • Microwave • Refrigerator • Range Hood

Neighborhood

Public Transportation • Shopping • Pool • Tennis Court(s) • Park • Walk/Jog Trails

Geography

Floorplan Breakdown

Structural Layout

Second
OfficeMaster BedroomBedroom 2Bedroom 3Bedroom 4Bathroom 1Bathroom 2Bathroom 3
Basement
Bedroom 5
Main,First
Living RoomDining RoomKitchenFamily Room
Living Room
Lvl Main,First

23 x 22

Flooring - Hardwood, Cable Hookup, Open Floorplan, Recessed Lighting, Lighting - Overhead, Beadboard

Dining Room
Lvl Main,First

12 x 11

Flooring - Hardwood, Open Floorplan, Lighting - Overhead

Kitchen
Lvl Main,First

26 x 22

Closet/Cabinets - Custom Built, Flooring - Hardwood, Window(s) - Picture, Dining Area, Balcony / Deck, Balcony - Exterior, Pantry, Countertops - Stone/Granite/Solid, Countertops - Upgraded, French Doors, Kitchen Island, Wet Bar, Breakfast Bar / Nook, Cabinets - Upgraded, Deck - Exterior, Exterior Access, Open Floorplan, Recessed Lighting, Remodeled, Stainless Steel Appliances, Wine Chiller, Gas Stove, Lighting - Overhead

Office
Lvl Second

20 x 16

Flooring - Hardwood, Exterior Access, Open Floor Plan, Remodeled

Family Room
Lvl Main,First

12 x 11

Flooring - Hardwood, Open Floorplan, Lighting - Overhead

Master Bedroom
Lvl Second

28 x 12

Bathroom - Full, Bathroom - Double Vanity/Sink, Cathedral Ceiling(s), Closet - Linen, Walk-In Closet(s), Closet/Cabinets - Custom Built, Flooring - Hardwood, Balcony / Deck, Balcony - Exterior, French Doors, Deck - Exterior, Recessed Lighting, Remodeled, Lighting - Overhead

Bedroom 2
Lvl Second

17 x 13

Bedroom 3
Lvl Second

17 x 12

Closet, Flooring - Hardwood, Recessed Lighting

Bedroom 4
Lvl Second

14 x 13

Closet, Flooring - Hardwood, Recessed Lighting, Lighting - Overhead

Bedroom 5
Lvl Basement

13 x 13

Recessed Lighting, Flooring - Concrete

Bathroom 1
Lvl Second

15 x 12

Bathroom - Full, Bathroom - With Shower Stall, Bathroom - With Tub, Closet/Cabinets - Custom Built, Flooring - Stone/Ceramic Tile, Countertops - Stone/Granite/Solid, Countertops - Upgraded, Double Vanity, Recessed Lighting, Lighting - Sconce, Lighting - Overhead, Soaking Tub

Bathroom 2
Lvl Second

12 x 10

Bathroom - Full, Bathroom - Tiled With Shower Stall, Flooring - Stone/Ceramic Tile, Countertops - Stone/Granite/Solid, Double Vanity, Recessed Lighting, Lighting - Sconce

Bathroom 3
Lvl Second

9 x 9

Bathroom - Full, Bathroom - Tiled With Tub & Shower, Flooring - Stone/Ceramic Tile, Recessed Lighting

Property History

Price Drop
$4,200,000

Was $4,489,000

Aug 18, 2026

MLS® 73500198

Listed
$4,489,000

Apr 11, 2026

MLS® 73500198

Expired
$4,489,000

Jan 26, 2026

MLS® 73411512

Listed
$4,489,000

Jul 30, 2025

MLS® 73411512

Population

8,427

U.S. Census Bureau, ACS 2024 5-Year Estimates (B01003)

Median Household Income

$199K

U.S. Census Bureau, ACS 2024 5-Year Estimates (B19013)

Renter-Occupied Homes

17.0%

U.S. Census Bureau, ACS 2024 5-Year Estimates (B25003)

New Construction Permits — Norfolk County

1,189 housing units permitted in the last 12 months (+21% vs the prior 12 months) — 706 in 5+ unit buildings

U.S. Census Bureau, Building Permits Survey (through Jun '26)

ADU Potential

Massachusetts allows one accessory dwelling unit by right in single-family zoning districts statewide (M.G.L. c. 40A §3; 760 CMR 71.00, effective Feb 2025). Estimated maximum ADU size for this property: 900 sq ft (the lesser of 900 sq ft or half the 5,763 sq ft principal dwelling). Lot size: 67,518 sq ft.

Based on listing data, which indicates the property type — not the zoning district. Local dimensional, septic (Title 5), and historic-district requirements still apply. Not legal advice — verify with the municipality.

Listing Provided By

Listing Agent: Rosemary Sullivan

Listing Office: Conway - Hingham

MLS® Number: 73500198

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