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348 Big Barndoor Island, Alton, NH

Single Family Residence

For SaleActive
4 Beds|3 Baths|1,935 ft²|Built 1981|Alton

Listed by Maxfield Real Estate/Wolfeboro · Jen McCullough

Property Description

348 Big Barndoor Island brings a single-family home to the Alton market at $1,599,000. Inside you'll find 4 bedrooms, 3 bathrooms and 1,935 square feet of living space. Homes like this trade on the fundamentals: space, privacy and a New Hampshire address that works year-round. Also on the sheet: 1981 construction and roughly $826 per square foot. The full photo gallery, live pricing and every MLS detail for 348 Big Barndoor Island follow below. Browse more homes for sale in Alton.

Big Barndoor Island on Lake Winnipesaukee!! This exceptional furnished property offers exclusive privacy, sweeping views, and a truly unique 180’ of waterfront. The docking system is comprised of 2 u-shape docks with docking for 3 boats. Additional docking for lounging, enjoying all-day sun and sandy bottom swimming. A walkway brings you to a small beach, a lagoon with 2 islands, and prolific blueberry and huckleberry bushes. The private home has expansive new solid vinyl decking, with areas to barbecue, dine, enjoying the views and listen to the loons. Stepping inside, you’ll see nothing has been spared from functionality to the "American Cottage" furnishings. The first floor consists of an open kitchen and dining, a great room boasting a cathedral ceiling, floor to ceiling windows with views to the lake, a magnificent fireplace with a woodstove insert, a three-quarter bath, office and pantry, and a spacious screen porch used for dining and game night, which opens to the deck. Upstairs are 4 spacious bedrooms, each with individual climate control and a closet. There are two bathrooms and two sitting areas. The entire home is immaculate and shows decades of love and care. Just steps out the back door is a storage and workshop building, completely organized. Also in the back, is immediate access to the interior island path for walking, running or taking a casual stroll. You can do almost everything by boat on Lake Winnipesaukee, and from Big Barndoor Island, it’s only a 5-minute boat ride into Wolfeboro for shopping, dining, groceries, that quick trip to the hardware store or the nightly ice cream. A slow ride back to the island will have you relaxing on the dock to gaze at the full moon, or the 4th of July fireworks. This island property has everything you could possibly want. The property also includes a guaranteed boatslip at the Wolfeboro Corinthian Yacht Club, subject to club requirements and the applicable purchase and membership fees.

Location Highlights

348 Big Barndoor Island is a single family residence in Alton, New Hampshire, listed at $1,599,000. That works out to about $826 per square foot, for a home built in 1981. It has been on the market for 20 days.

From here it is 26.7 miles to Downtown Plymouth / Main Street and 30.4 miles to Owl's Nest Resort. At this latitude, Alton averages roughly 8.4 hours of sun a day in June and 3.6 in December.

Zoned schools in the Alton School District SAU #72: Alton Central School (Elementary), Alton Central School (Middle), ProspectMo (High). Always confirm zoning with the district office.

Property Details

Essentials & finishes

  • Bedrooms:4
  • Total Baths:3
  • Full Baths:2
  • SqFt:1,935
  • Price / SqFt:$826.36
  • Property Type:Single Family Residence
  • Year Built:1981
  • County:NH-Belknap
  • Town:Alton, NH
  • Status:Active
  • Days on Market:20

Primary Features

CountyNH-Belknap
Property TypeResidential
Year Built1981
ZoningLR-LAK

Interior Features

AppliancesDishwasher, Disposal, Dryer, Freezer, Microwave, Refrigerator, Washer, Electric Stove, Electric Water Heater, Exhaust Fan
BasementNo
1/4 Baths0
3/4 Baths1
CoolingMini Split
Electric200+ Amp Service, Circuit Breakers
FlooringCarpet, Vinyl Plank
HeatingWood, Baseboard, Electric, Wood Stove, Mini Split
Interior FeaturesBlinds, Ceiling Fan(s), 1 Fireplace, Furnished, Hearth, Kitchen/Dining, Living/Dining, Natural Light, Natural Woodwork, Vaulted Ceiling(s), Wood Stove Insert, 1st Floor Laundry
Rooms - Total8
SqFt-Approximate Finished Above Grade1,935
SqFt-Approximate Finished Below Grade0
SqFt Approximate Total Finished1,935
SqFt Approximate Total1,935

Location Information

School - DistrictAlton School District SAU #72
School - ElementaryAlton Central School
School - HighProspectMo
School - Middle/JrAlton Central School

Financial Details

Tax - Gross Amount$8,726
Tax Year2024
Taxes TBDNo

Additional

Construction StatusExisting
ConstructionClapboard, T1-11 Exterior, Wood Exterior
CovenantsYes
Flood ZoneUnknown
Pre-ConstructionNo
Property Sub TypeSingle Family Residence
SeasonalYes
Total StoriesTwo
SurveyedUnknown
Timeshare/Fractional OwnershipNo
Water Access DetailsBeach Access, Deep Water Access, Directly Adjoining, Dock Access, Seasonal Access Only

External Features

DrivewayNone
Exterior FeaturesBoat Slip, Dock, Deck, Natural Shade, Outbuilding, Screened Porch, Private Dock, Window Screens
FoundationPost/Piers
GarageNo
Lot FeaturesLevel, Mountain View, Trail/Near Trail, Views, Walking Trails, Island, Private
Lot - Acres0.77
Lot - SqFt33,541
Road Frontage TypeNone
Road FrontageNo
RoofAsphalt Shingle
SewerLeach Field On-Site, Private Sewer, On-Site Septic Exists, Septic Tank
UtilitiesCable at Site
Water SourceOther
Water Body TypeLake
MLS®: PrimeMLS #5102949; Listed by Maxfield Real Estate/Wolfeboro · Jen McCullough

Property History

Annual taxes for this property

YearAssessed Tax
2024$27,183
2023$26,503
2022$25,824

Estimated from list price; verify with the town assessor.

Market Data

Live snapshot computed from active listings in this town

  • Active listings in Alton90
  • Average list price$388,999
  • Price range$224,999 – $1,095,000

Mortgage Calculator

Estimate your monthly payment for this home

20%
Loan Term
6.5%
Estimated monthly payment$10,684 / mo
  • Principal & Interest$8,085
  • Property Tax$2,265
  • Home Insurance$333

Estimates use typical New Hampshire costs — a 1.7% effective property-tax rate, insurance at 0.25% of home value/yr, and PMI below 20% down. Actual town tax rates vary; verify with your lender and the town assessor.

Around This Property

Schools, everyday places and nearby destinations near 348 Big Barndoor Island, Alton, NH

ElementaryAlton Central School
MiddleAlton Central School
High SchoolProspectMo
DistrictAlton School District SAU #72
$1,599,000/ Asking Price
For SaleActive
Est. $8,085 / mo20% down · 30yr · 6.5%
Tom DeMatteo

Tom DeMatteo

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Questions About This Listing

What is the asking price of 348 Big Barndoor Island?

348 Big Barndoor Island in Alton, NH is listed at $1,599,000.

That works out to about $826 per square foot.

What is the MLS number for 348 Big Barndoor Island?

The MLS number is #5102949 (PrimeMLS), listed on August 2, 2026.

Where is 348 Big Barndoor Island located?

The property is in Alton, New Hampshire (03810).

What kind of property is 348 Big Barndoor Island?

Single-family home in Alton, New Hampshire, built in 1981.

How big is 348 Big Barndoor Island?

The home has 4 bedrooms and 3 bathrooms.

It offers 1,935 square feet of living space.

PrimeMLS

NOTE: This representation is based in whole or in part on data generated by PrimeMLS, Inc., which assumes no responsibility for its accuracy. The data relating to real estate displayed on this site comes in part from the IDX Program of PrimeMLS.

This listing data is intended for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.