Upcoming open house
Sat, Oct 17 · 11:00 AM–1:00 PM
Arrive prepared. Get the October 2026 Cohasset Bean Group Buyer’s Guide before you tour.
About this home
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.
Listing last checked: Listing updated:
Listed by Rosemary Sullivan · Conway - Hingham · MLS #73586542
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Details at a glance
Interior6 property facts
- Rooms
- 16
- Heating
- Forced Air, Natural Gas
- Cooling
- Central Air
- Flooring
- Tile, Concrete, Hardwood, Flooring - Stone/Ceramic Tile, Flooring - Hardwood
- Basement
- Yes · Full, Finished, Walk-Out Access, Interior Entry, Concrete
- Fireplaces
- 1
Building5 property facts
- Style
- Single Family Residence
- Year built
- 1800
- Parking
- 6
- Foundation
- Concrete Perimeter
- Roof
- Shingle
Land & utilities6 property facts
- Lot size
- 1.55 acres
- Water
- Public
- Sewer
- Private Sewer
- Waterfront
- Y
- Pool
- Not reported
- Zoning
- RB
Financial2 property facts
- Annual taxes
- $24,492
- Assessment year
- 2026
Location
Estimated monthly cost
Explore costs at the $4,200,000 asking price. Adjust the assumptions to your situation.
Known monthly costs$23,278 / monthAdjust
- Principal & interest
- $21,237
- Property tax
- $2,041
- Insurance
- Not entered
- HOA
- Not entered
Listing annual taxes: $24,492. Initial monthly tax is one twelfth of that amount. HOA amount was not supplied.
Partial estimate: add insurance, monthly HOA to include those costs. Blank amounts are unknown.
The initial 6.5% rate is illustrative, not a current rate or lender quote. Excludes utilities, maintenance, closing costs and mortgage insurance, which may apply with a down payment below 20%. Taxes and insurance can change.
Price and status timeline
- Exp
$4,200,000 · Apr 11, 2026
- Exp
$4,489,000 · Jul 30, 2025
More property insights
Automated value estimate $4,126,213
Estimated range $3,210,471–$5,041,956.
Automated estimates are not appraisals or guarantees of market value.
Request a professional market analysisPhoto-based condition insights
Overall presentation: excellent
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About 392 S Main St
Can I request a private showing?
Request a tour of 392 S Main St and a Bean Group agent will help coordinate an available time with the listing side.
Can you help me evaluate this property?
Yes. We can discuss condition, comparable sales, offer strategy and the questions worth asking before you decide whether to proceed.
Are property documents available?
Availability varies by property and source. Request the documents you need and we will help obtain what is available.

