46 Great Bay Rd Barnstable — Photo 1 of 38
Recent Drop: $1,000,000
$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.
Key facts
It was listed on May 19, 2026. The price has come down from an original $8,500,000 to $7,500,000, most recently on July 21, 2026. The annual property taxes are $57,147 (2025 tax year). It sits on a 0.78-acre (33,977 sq ft) lot.
Market Value Analysis
* Analysis is based on 24 actively listed and recently sold comparable properties strictly within Barnstable, MA.
Property Details
Financials
Parking
Interior Specifications
Climate & Utilities
Building & Exterior
Property & Lot
Amenities & Appliances
Electric Water Heater
Geography
Floorplan Breakdown
Structural Layout
Living Room
Lvl FirstDining Room
Lvl FirstKitchen
Lvl FirstPrimary Bedroom
Lvl FirstBedroom 2
Lvl FirstBedroom 3
Lvl SecondProperty History
$7,500,000
Was $8,500,000
Jul 21, 2026
MLS® 73520995
$8,500,000
May 19, 2026
MLS® 73520995
Questions about this home
When was 46 Great Bay Rd, Barnstable listed?
46 Great Bay Rd, Barnstable was listed on May 19, 2026.
Has the price of 46 Great Bay Rd, Barnstable changed?
The price has come down from an original $8,500,000 to $7,500,000, most recently on July 21, 2026.
What are the property taxes for 46 Great Bay Rd, Barnstable?
The annual property taxes for 46 Great Bay Rd, Barnstable are $57,147 (2025 tax year).
How big is the lot at 46 Great Bay Rd, Barnstable?
46 Great Bay Rd, Barnstable sits on a 0.78-acre (33,977 sq ft) lot.
What is the status of 46 Great Bay Rd, Barnstable?
46 Great Bay Rd, Barnstable is actively listed for sale.
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
505 housing units permitted in the last 12 months (-51% vs the prior 12 months) — 123 in 5+ unit buildings
U.S. Census Bureau, Building Permits Survey (through Jul '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.
Listing Agent: Chuck Tuttle
Listing Office: William Raveis R.E. & Home Services
MLS® Number: 73520995
