Active
113 Days on market
46 Great Bay Rd Barnstable — Photo 1 of 38

46 Great Bay Rd Barnstable — Photo 1 of 38

Recent Drop: $1,000,000

$8,500,000
$7,500,000

$7,500,000

46 Great Bay Rd, Barnstable, MA 02655

Barnstable, MA 02655 — Osterville

Beds

3

Baths

5

SqFt

4,831

Style

Single Family

Built

1946

Nestled along the sparkling shores of North Bay in the heart of Osterville, this exceptional Waterfront Estate delivers timeless beauty and relaxed elegance. Wake each morning to sweeping water views and ocean breezes, step onto your boat from the Substantial Dock. Featuring a Primary Suite and Guest Suite both on the 1st Floor, the residence is thoughtfully designed to blend coastal charm with modern comfort, with sun-filled living spaces, expansive windows, and seamless indoor-outdoor flow perfect for entertaining or quiet seaside relaxation. Waterfront Chef's Kitchen with Cathedral Ceiling, Living Rooms, Dens, separate living quarters complete with a Kitchen over the 3-Bay Garage. Step outside to your private waterfront oasis, where launching a kayak at sunrise, enjoying afternoon boating on North Bay, or taking sunset walks with the dog, every day feels like a vacation. Located just moments from Osterville Village's boutiques, restaurants, and marinas.

Market Value Analysis

This Property
Size (SqFt) →Price →
This Property$1552/sqft
Local Avg (Barnstable)$691/sqft
125% AboveMarket Average

* Analysis is based on 24 actively listed and recently sold comparable properties strictly within Barnstable, MA.

Property Details

Financials

Original Price$8,500,000
Annual Taxes$57,147

Parking

Garage3
Off-Street7

Interior Specifications

Total Rooms6
Fireplaces1
FlooringWood, Tile
BasementNone

Climate & Utilities

HeatingBaseboard, Oil
CoolingCentral Air, 3 or More
WaterPublic
SewerPrivate Sewer

Building & Exterior

ConstructionFrame
RoofWood
FoundationConcrete Perimeter
ZoningRF

Property & Lot

Acres0.78
SqFt Lot33,977
Lot FeaturesLevel

Amenities & Appliances

Electric Water Heater

Geography

Floorplan Breakdown

Structural Layout

Second
Bedroom 3
First
Living RoomDining RoomKitchenMaster BedroomBedroom 2
Living Room
Lvl First
Dining Room
Lvl First
Kitchen
Lvl First
Master Bedroom
Lvl First
Bedroom 2
Lvl First
Bedroom 3
Lvl Second

Property History

Price Drop
$7,500,000

Was $8,500,000

Jul 21, 2026

MLS® 73520995

Listed
$8,500,000

May 19, 2026

MLS® 73520995

Population

4,024

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

Median Household Income

$119K

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

Renter-Occupied Homes

7.2%

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

New Construction Permits — Barnstable County

513 housing units permitted in the last 12 months (-50% vs the prior 12 months) — 128 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 4,831 sq ft principal dwelling). Lot size: 33,977 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.

Full Barnstable, MA market report ZIP 02655 market data
Listing Provided By

Listing Agent: Chuck Tuttle

Listing Office: William Raveis R.E. & Home Services

MLS® Number: 73520995

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