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  • Listed by: Four Seasons Sotheby's Int'l Realty • Becky Fuller
    Bought with: KW Coastal and Lakes & Mountains Realty/Wolfeboro
    $1,600,000

    286 Rattlesnake Island, Alton, NH 03810

    5beds
    2,681sqft
    Single Family Residence
    Built in 2007
    1.04 Acres Lot
    $1,600,500 Zestimate®
    $597/sqft
    $3,363 Estimated rent

    Home value

    $1,600,500

    $1.49M - $1.73M

    $3,363/mo

    Zestimate® history
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    What's special

    Towering stone fireplaceSandy beachTreasured lakeside guest cottageDramatic great roomRich wood finishesThree charming guest bedroomsSoaring vaulted ceilings
    Set along approx. 187 ft of Winnipesaukee shoreline, this exceptional island compound offers a rare blend of luxury, privacy, and authentic lakefront charm. Built in 2007 with extraordinary attention to detail, the main residence is a masterful expression of lake-inspired architecture. The dramatic great room serves as the centerpiece, featuring a towering stone fireplace, soaring vaulted ceilings, and an impressive wall of glass that frames panoramic westerly views. Rich wood finishes and artisan craftsmanship create an atmosphere that is both grand and inviting. The primary bedroom on the main level known as the "Tree Suite," offers a peaceful retreat. Upstairs, three charming guest bedrooms—the "Bear Room," "Wolf Room," and "Moose Room"—provide comfortable accommodations for family and guests, accompanied by a shared bath designed to serve the upper level. For state of mind, a 3-bedroom state-approved septic was installed in 2007. Just steps from the waterfront, is a treasured lakeside guest cottage, where the timeless character of classic Winnipesaukee summers remains beautifully preserved. This cottage features a spacious living room, eat-in kitchen, and two guest rooms. The waterfront experience is equally impressive, featuring a sandy beach and substantial U-shaped dock with walk-down steps into the lake. Sunsets are breathtaking. Island trails are accessible directly from the property, offering opportunities to explore the natural beauty that makes island living so special. An additional dock slip close-by in protected, Youngs Cove provides additional boat parking. Mainland access at "The Landing" provides car parking, boat launch and dock use for owners and guests. Available for separate purchase: 25' boat slip in Minge Cove. Rarely does an island property combine such exceptional craftsmanship, generous accommodations, docking options, and classic Lake Winnipesaukee character. This is a legacy offering designed to be enjoyed for generations to come.

    Zillow last checked:

    Listing updated:

    Listed by:

    Becky Fuller,

    Four Seasons Sotheby's Int'l Realty 603-677-7012

    Bought with:

    Adam Dow

    KW Coastal and Lakes & Mountains Realty/Wolfeboro

    Source: PrimeMLS,MLS#: 5094720MLS Logo

    Facts & features

    Interior

    Bedrooms & bathrooms
    • Bedrooms: 5
    • Bathrooms: 2
    • 3/4 bathrooms: 1
    • 1/2 bathrooms: 1
    Heating
    • Baseboard, Electric, Mini Split
    Cooling
    • Mini Split
    Appliances
    • Included: Dishwasher, Dryer, Refrigerator, Washer
    Features
    • Windows: Skylight(s)
    • Has basement: No
    • Has fireplace: Yes
    • Fireplace features: Wood Burning
    Interior area
    • Total structure area: 2,681
    • Total interior livable area: 2,681 sqft
    • Finished area above ground: 2,681
    • Finished area below ground: 0

    Property

    Features
    • Levels: Two
    • Stories: 2
    • Exterior features: Boat Slip/Dock, Dock, Deck
    • Has spa: Yes
    • Spa features: Heated
    • Has view: Yes
    • View description: Water
    • Has water view: Yes
    • Water view: Water
    • Body of water: Lake Winnipesaukee
    • Frontage length: Water frontage: 187
    Lot
    • Size: 1.04 Acres
    • Features: Level
    Details
    • Additional structures: Guest House, Outbuilding
    • Parcel number: ALTNM77B18
    • Zoning description: LR-LAK

    Construction

    Type & style
    • Home type: SingleFamily
    • Architectural style: Cottage/Camp
    • Property subtype: Single Family Residence
    Materials
    • Wood Frame
    • Foundation: Pillar/Post/Pier
    • Roof: Asphalt Shingle
    Condition
    • New construction: No
    • Year built: 2007

    Utilities & green energy

    • Electric: 200+ Amp Service
    • Sewer: 1000 Gallon, Septic Tank
    • Utilities for property: None

    Community & HOA

    HOA
    • Additional fee info: Fee: $2500
    Location
    • Region: Alton Bay

    Financial & listing details

    • Price per square foot: $597/sqft
    • Tax assessed value: $686,600
    • Annual tax amount: $9,269
    • Date on market: 6/15/2026
    • Exclusions: Personal items. Boat lift.

    Price history

    DateEventPrice
    8/19/2026Sold$1,600,000-5.8%$597/sqft
    Source: PrimeMLS #5094720 Report a problem
    6/15/2026Listed for sale$1,699,000$634/sqft
    Source: PrimeMLS #5094720 Report a problem

    Public tax history

    YearProperty taxesTax assessment
    2024$8,912 +0.7%$686,600 +2.2%
    2023$8,852 +15.9%$671,600
    2022$7,636 -7.9%$671,600 +13%
    2021$8,290 $594,300
    2020$8,290 +11.5%$594,300
    2019$7,435 -12.8%$594,300 -2.5%
    2018$8,524 +8.8%$609,300
    2017$7,836 +0.5%$609,300 +10.5%
    2016$7,799 -0.9%$551,200
    2015$7,866 +2.4%$551,200 -0.7%
    2014$7,685 +10.8%$554,900 +7.5%
    2013$6,938 -1.8%$516,200
    2012$7,062 +1.6%$516,200 -3%
    2011$6,953 +21.3%$532,000 +9.8%
    2009$5,733 +2.2%$484,600 -2.4%
    2008$5,612 +45.8%$496,600 +36.4%
    2007$3,850 $364,200
    Find assessor info on the county website

    Neighborhood: 03810

    Nearby schools

    GreatSchools rating
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    $1,600,500
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    Sell for more on Zillow
    Get a Zillow Showcase℠ listing at no additional cost and you could sell for .
    $1,600,500
    2% more
    +$32,010
    With Zillow Showcase(estimated)
    $1,632,510