
48 Starboard Lane Barnstable — Photo 1 of 41
Recent Drop: $450,000
$11,500,000
48 Starboard Lane, Barnstable, MA 02655
Barnstable, MA 02655 — Osterville
Beds
6
Baths
7
SqFt
8,387
Style
Single Family
Built
2026
Newly constructed and ready to enjoy, this exceptional waterfront estate on the Bumps River represents the finest of Cape Cod living. Combining an unrivaled setting with state-of-the-art luxury, the property features a resort-like swimming pool and cabana, a boathouse with a float for non-motorized crafts, and a deeded beach lot on Long Beach. The open floor plan seamlessly flows from a fireplaced living room with coffered ceilings to a gourmet kitchen with a Sub-Zero refrigerator, Wolf range, and Danby natural stone counters. Glass doors line the waterside of the home, opening to an expansive Phoenician Buff stone terrace surrounding a Pebble Tec pool and spa. The first-floor primary boasts 2 walk-in closets and a luxurious bath with a freestanding soaking tub. Four en suite bedrooms, a family room, and an ipe deck occupy the second level, with bonus space above. A bedroom suite over the garage accommodates guests or staff. Located minutes from everything Osterville has to offer.
Market Value Analysis
* Analysis is based on 23 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
Gas Water Heater
Neighborhood
Shopping • Tennis Court(s) • Park • Walk/Jog Trails • Golf • Conservation Area
Geography
Floorplan Breakdown
Structural Layout
Master Bedroom
Lvl FirstProperty History
$11,500,000
Was $11,950,000
Sep 1, 2026
MLS® 73531287
$11,950,000
Jun 6, 2026
MLS® 73531287
$1,500,000
Dec 31, 2010
MLS® 71126337
$1,500,000
Aug 20, 2010
MLS® 71126337
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 8,387 sq ft principal dwelling). Lot size: 113,256 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: Paul E. Grover
Listing Office: Berkshire Hathaway HomeServices Robert Paul Properties
MLS® Number: 73531287
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