Listed by Maxfield Real Estate/Wolfeboro · Jen McCullough · 603-569-3128
348 Big Barndoor Island, Alton, NH
Single Family Residence
Listed by Maxfield Real Estate/Wolfeboro · Jen McCullough · 603-569-3128
Property Description
348 Big Barndoor Island brings a single-family home to the Alton market at $1,499,000. 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 $775 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 $1,499,000. That works out to about $775 per square foot, for a home built in 1981. It has been on the market for 3 months.
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.
Source: zoned school names are PrimeMLS listing data; distances, sun exposure and school facts are Owl’s Nest Real Estate additions (school facts from the NCES, U.S. Department of Education) — not PrimeMLS data.
Property Details
Essentials & finishes
- Bedrooms:4
- Total Baths:3
- Full Baths:2
- SqFt:1,935
- Price / SqFt:$774.68
- Property Type:Single Family Residence
- Year Built:1981
- County:NH-Belknap
- Town:Alton, NH
- Status:Active
- Days on Market:79
Primary Features
Interior Features
Location Information
Financial Details
Additional
External Features
Property History
Estimated annual taxes for this property
| Year | Est. Tax |
|---|---|
| 2024 | $25,483 |
| 2023 | $24,846 |
| 2022 | $24,209 |
Source: Owl’s Nest Real Estate estimate from the list price at New Hampshire’s average effective tax rate — not PrimeMLS or town assessor data. Verify with the town assessor.
Market Data
Live snapshot computed by Owl’s Nest Real Estate from PrimeMLS IDX active listings in this town
- Active listings in Alton93
- Average list price$571,590
- Price range$23,000 – $1,150,000
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Estimate your monthly payment for this home
- Principal & Interest$7,580
- Property Tax$2,124
- Home Insurance$312
Source: Owl’s Nest Real Estate estimate, not PrimeMLS data. 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, NHSource: Google Maps Platform (Places) and Owl’s Nest Real Estate — not PrimeMLS data.
Listed by Maxfield Real Estate/Wolfeboro · Jen McCullough · 603-569-3128
Owl’s Nest Real Estate estimate, not MLS data.
Questions About This Listing
What is the asking price of 348 Big Barndoor Island?
348 Big Barndoor Island in Alton, NH is listed at $1,499,000.
That works out to about $775 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.
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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. Data last updated 10/25/26.
