Active
349 Days on market
4390 Main Barnstable — Photo 1 of 36
Recent Drop: $1,002,000
$5,000,000$3,998,000
$3,998,000
4390 Main, Barnstable, MA 02637
Barnstable, MA 02637 — Cummaquid
Beds
6
Baths
4
SqFt
5,442
Style
Single Family
Built
1994
WATERFRONT ESTATE – This rare Cape Cod retreat blends classic coastal architecture with modern refinement. Refreshed with new siding and a Red Cedar roof (August 2025), the home offers 6 bedrooms and 5 baths, a chef’s kitchen with Viking professional gas range, Sub-Zero refrigerator, and center island with prep sink flows seamlessly into the sun-filled living room, dining area, and waterfront sunroom. The main residence includes a 2-car garage and full basement, while a versatile guest house with its own 2-car garage and striking fieldstone fireplace invites endless possibilities as a one or two-bedroom retreat, artist’s studio, game room, or workshop. Set on 3.8 private acres, the estate features a heated in-ground pool, landscaped grounds, and direct access to tidal waters. More than a residence, it is a private Cape Cod sanctuary offering beauty, privacy, and an unparalleled coastal lifestyle. 2-Year Choice ULTIMATE Home Warranty included. Some photos virtually staged.
Market Value Analysis
This Property
Size (SqFt) →Price →This Property$735/sqft
Local Avg (Barnstable)$817/sqft
10% BelowMarket Average
* Analysis is based on 24 actively listed and recently sold comparable properties strictly within Barnstable, MA.
Property Details
Financials
Original Price$5,000,000
Annual Taxes$27,742
Parking
Garage4
Off-Street12
Interior Specifications
Total Rooms10
Fireplaces2
FlooringTile, Carpet, Hardwood, Other, Flooring - Hardwood
BasementFull, Crawl Space, Garage Access, Sump Pump, Concrete, Unfinished
Climate & Utilities
HeatingForced Air, Natural Gas
CoolingCentral Air
WaterPublic
SewerPrivate Sewer
Building & Exterior
ConstructionConventional (2x4-2x6), See Remarks
RoofWood
FoundationConcrete Perimeter
Zoning101-Reside
Property & Lot
Acres3.81
SqFt Lot165,963
Lot FeaturesGentle Sloping, Other
Amenities & Appliances
Gas Water Heater • Range • Dishwasher • Disposal • Refrigerator • Washer • Dryer • Vacuum System • Range Hood
Neighborhood
Pool
Geography
Floorplan Breakdown
Structural Layout
Third
Bathroom 3
Second
OfficeMaster BedroomBedroom 2Bedroom 3Bedroom 4Bedroom 5Bathroom 1Bathroom 2
Main,First
Living RoomDining RoomKitchenFamily Room
Living Room
Lvl Main,First20 x 20
Flooring - Hardwood, Crown Molding
Dining Room
Lvl Main,First18 x 15
Flooring - Hardwood, Wainscoting, Crown Molding, Decorative Molding
Kitchen
Lvl Main,First22 x 12
Flooring - Hardwood, Dining Area, Pantry, Countertops - Stone/Granite/Solid, Kitchen Island, Open Floorplan, Recessed Lighting, Second Dishwasher
Office
Lvl Second14 x 12.5
Closet, Flooring - Hardwood, Recessed Lighting
Family Room
Lvl Main,First17 x 35
Flooring - Hardwood, Window Seat
Master Bedroom
Lvl Second17 x 18.5
Bathroom - Full, Bathroom - Double Vanity/Sink, Skylight, Flooring - Stone/Ceramic Tile, Double Vanity, Recessed Lighting
Bedroom 2
Lvl Second16 x 12
Bedroom 3
Lvl Second18 x 12
Closet, Recessed Lighting, Window Seat
Bedroom 4
Lvl Second17 x 12
Flooring - Wall to Wall Carpet
Bedroom 5
Lvl Second15 x 10
Closet, Flooring - Wall to Wall Carpet
Bathroom 1
Lvl Second17.5 x 10.5
Bathroom - Full, Bathroom - Double Vanity/Sink, Bathroom - Tiled With Shower Stall, Skylight, Flooring - Stone/Ceramic Tile, Double Vanity, Soaking Tub
Bathroom 2
Lvl Second9.5 x 9
Bathroom - Full, Bathroom - Double Vanity/Sink, Flooring - Stone/Ceramic Tile, Enclosed Shower - Fiberglass
Bathroom 3
Lvl Third11 x 8
Bathroom - Full, Bathroom - Tiled With Tub, Closet - Linen, Flooring - Hardwood
Property History
Price Drop
$3,998,000
Was $4,249,000
Aug 9, 2026
MLS® 73426596
Price Drop
$4,249,000
Was $4,498,000
Jul 10, 2026
MLS® 73426596
Price Drop
$4,498,000
Was $4,748,900
Jun 19, 2026
MLS® 73426596
Price Drop
$4,748,900
Was $4,798,900
Jun 6, 2026
MLS® 73426596
Price Drop
$4,798,900
Was $4,875,000
May 31, 2026
MLS® 73426596
Price Drop
$4,875,000
Was $4,899,000
May 23, 2026
MLS® 73426596
Price Drop
$4,899,000
Was $4,950,000
May 8, 2026
MLS® 73426596
Price Drop
$4,950,000
Was $4,975,000
Apr 24, 2026
MLS® 73426596
Price Drop
$4,975,000
Was $5,000,000
Sep 21, 2025
MLS® 73426596
Listed
$5,000,000
Sep 5, 2025
MLS® 73426596
Population
227
U.S. Census Bureau, ACS 2024 5-Year Estimates (B01003)
Median Household Income
$218K
U.S. Census Bureau, ACS 2023 5-Year Estimates (B19013)
Renter-Occupied Homes
0.0%
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 5,442 sq ft principal dwelling). Lot size: 165,963 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 Provided By
Listing Agent: Robert Mackinnon
Listing Office: eXp Realty LLC
MLS® Number: 73426596
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