378 Sleeper Island, Alton, NH 03810
Home value
$620,200
$533,000 - $726,000
$2,324/mo
Owner options
$2,324/mo
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Zillow last checked:
Listing updated:
Betty Ann Bickford,
Maxfield Real Estate/Wolfeboro 603-569-3128,
Jen McCullough,
Maxfield Real Estate/Wolfeboro
Becky Fuller
Four Seasons Sotheby's Int'l Realty
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 2
- Bathrooms: 1
- Full bathrooms: 1
Heating
- Electric, Wood Stove
Cooling
- Wall Unit(s)
Appliances
- Included: Electric Cooktop, Dryer, Microwave, Wall Oven, Refrigerator, Washer
Features
- Kitchen/Dining, Living/Dining, Vaulted Ceiling(s)
- Flooring: Carpet, Combination
- Windows: Blinds
- Has basement: No
Interior area
- Total structure area: 1,078
- Total interior livable area: 1,078 sqft
- Finished area above ground: 1,078
- Finished area below ground: 0
Property
Features
- Stories: 1.25
- Exterior features: Boat Mooring, Boat Slip/Dock, Deck, Private Dock, Storage
- Has view: Yes
- View description: Water, Lake, Mountain(s)
- Has water view: Yes
- Water view: Water,Lake
- Waterfront features: Lake Front, Island
- Body of water: Lake Winnipesaukee
- Frontage length: Water frontage: 100
Lot
- Size: 0.55 Acres
- Features: Trail/Near Trail, Views, Walking Trails
Details
- Parcel number: ALTNM73B33
- Zoning description: 01-LR LAKESHORE RES
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Cottage/Camp
- Property subtype: Single Family Residence
Materials
- Wood Exterior
- Foundation: Pillar/Post/Pier
- Roof: Asphalt Shingle
Condition
- New construction: No
- Year built: 1965
Utilities & green energy
- Electric: 100 Amp Service
- Sewer: Private Sewer
- Utilities for property: Cable Available
Community & HOA
Location
- Region: Alton Bay
Financial & listing details
- Price per square foot: $571/sqft
- Tax assessed value: $397,100
- Annual tax amount: $5,154
- Date on market: 9/25/2025
Price history
| Date | Event | Price |
|---|---|---|
| 10/31/2025 | Sold | $615,000-6.7%$571/sqft |
Source: | ||
| 10/11/2025 | Contingent | $659,000$611/sqft |
Source: | ||
| 9/25/2025 | Listed for sale | $659,000+114.7%$611/sqft |
Source: | ||
| 9/12/2016 | Sold | $307,000-5.5%$285/sqft |
Source: Public Record Report a problem | ||
| 8/3/2016 | Pending sale | $325,000$301/sqft |
Source: Maxfield Real Estate/Wolfeboro #4493957 Report a problem | ||
| 5/29/2016 | Price change | $325,000-3.6%$301/sqft |
Source: Maxfield Real Estate/Wolfeboro #4493957 Report a problem | ||
| 4/3/2016 | Listed for sale | $337,000$313/sqft |
Source: Blue Water Realty Group #4433905 Report a problem | ||
| 12/27/2015 | Listing removed | $337,000$313/sqft |
Source: Blue Water Realty Group #4433905 Report a problem | ||
| 6/27/2015 | Listed for sale | $337,000$313/sqft |
Source: Blue Water Realty Group #4433905 Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2024 | $5,154 -1.5% | $397,100 |
| 2023 | $5,234 +15.9% | $397,100 |
| 2022 | $4,515 +12.9% | $397,100 +38.5% |
| 2021 | $3,999 | $286,700 |
| 2020 | $3,999 +11.5% | $286,700 |
| 2019 | $3,587 -8.6% | $286,700 +2.2% |
| 2018 | $3,926 +8.8% | $280,600 |
| 2017 | $3,609 +29.9% | $280,600 +42.9% |
| 2016 | $2,779 +7.5% | $196,400 +8.4% |
| 2015 | $2,584 +6.3% | $181,100 +3.1% |
| 2014 | $2,432 +3% | $175,600 -0.1% |
| 2013 | $2,361 -1.8% | $175,700 |
| 2012 | $2,404 -1.4% | $175,700 -5.8% |
| 2011 | $2,438 -5.9% | $186,500 -14.9% |
| 2009 | $2,592 +2% | $219,100 -2.5% |
| 2008 | $2,540 -3.1% | $224,800 -9.4% |
| 2007 | $2,621 | $248,000 |
Neighborhood: 03810
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Nearby schools
GreatSchools rating
- 5/10Alton Central SchoolGrades: PK-8Distance: 8.1 mi
- 4/10Prospect Mountain High SchoolGrades: 9-12Distance: 9.2 mi
- NAProspect Mountain High SchoolGrades: 9-12Distance: 9.2 mi
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Sell for more on Zillow
- New Hampshire
- Belknap County
- Alton
- 03810
- 378 Sleeper Island