
155 Irving Avenue Barnstable — Photo 1 of 25
Recent Drop: $5,000,000
$16,500,000
155 Irving Avenue, Barnstable, MA 02647
Barnstable, MA 02647 — Hyannisport
Beds
7
Baths
7.5
SqFt
8,765
Style
Single Family
Built
1914
A rare and extraordinary offering, this iconic beachfront estate stands as one of the finest properties on all of Cape Cod. Located in the heart of Hyannis Port, the stately colonial residence is perfectly set on magnificent grounds designed by the Olmsted Brothers, with mature trees, manicured hedges, and rolling lawns that give way to 410' of pristine sandy beach. From every vantage point across the property, mesmerizing views of Nantucket Sound, Hyannis Port Harbor, and Great Island provide a backdrop of unsurpassed natural beauty. Immediately upon entering the residence, unobstructed vistas take center stage and continue throughout each room. Grand gathering spaces seamlessly connect to the outdoor living areas, with thoughtful proportions and scale for every occasion. The light-filled kitchen includes an informal breakfast area and direct access to the pool and waterside terrace. In the study and wet bar, rich millwork and exquisite craftsmanship lend a sense of warmth that carries into the formal dining room. A luxurious primary suite and six well-appointed guest bedrooms provide refined accommodations for all.This inimitable legacy estate is steps from the West Beach Club and Hyannis Port Yacht Club, with Cape Cod's best golf courses, deep-water marinas, Cape Cod Gateway Airport, and ferry service to Martha's Vineyard and Nantucket just minutes away. A once-in-a-lifetime opportunity, one of the most iconic estates on the Eastern Seaboard awaits its next chapter.
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 • Water Heater
Neighborhood
Shopping • Golf • Medical Facility • Highway Access • House of Worship • Marina
Geography
Property History
$16,500,000
Was $21,500,000
Aug 13, 2026
MLS® 73457530
$21,500,000
Nov 24, 2025
MLS® 73457530
$18,500,000
Oct 31, 2025
MLS® 73435920
$18,500,000
Sep 19, 2025
MLS® 73435920
$19,800,000
Feb 21, 2025
MLS® 73300947
$19,800,000
Oct 10, 2024
MLS® 73300947
Population
209
U.S. Census Bureau, ACS 2024 5-Year Estimates (B01003)
Median Household Income
$83K
U.S. Census Bureau, ACS 2020 5-Year Estimates (B19013)
Renter-Occupied Homes
20.9%
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 8,765 sq ft principal dwelling). Lot size: 106,286 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: 73457530
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