Listed by Four Seasons Sotheby's Int'l Realty · Becky Fuller · 603-677-7012
Single Family Residence · Alton, NH
548 Rattlesnake Island, Alton, NH
$1,199,000
$1,249,000 · changed Sep 28, 2026
Est. $6,063/mo · 20% down, 30-yr, 6.5% (Owl’s Nest Real Estate estimate, not MLS data)
- Beds
- 3
- Baths
- 2
- Sq Ft
- 2,307
- Built
- 1992
- MLS®
- #5108459
Property Description
548 Rattlesnake Island sits in Alton, New Hampshire — a single-family home offering 3 bedrooms, 2 bathrooms and 2,307 square feet of living space. The asking price is $1,199,000. The format is the classic one — a standalone home with no association between you and your plans for it. Beyond the basics, the listing carries a 0.65-acre lot, 1992 construction and roughly $520 per square foot. See the listing's full details below, and reach out for a private showing of 548 Rattlesnake Island. Browse more homes for sale in Alton.
Exceptional island living awaits on Rattlesnake Island, where this pristine Lake Winnipesaukee home combines an elevated level of finish with spectacular long-range views and a beautifully maintained waterfront setting. Set on .65 acres with approximately 99 feet of shoreline, this three-bedroom, two-bath home has been meticulously cared for and thoughtfully enhanced with initial renovations completed in 2009, creating a truly special island retreat. At the heart of the home is a gorgeous kitchen and dining area, added in 2014 and beautifully appointed with granite countertops and stainless steel appliances. Designed for both everyday living and entertaining, it flows naturally into the spacious great room, where generous windows capture the surrounding lake views and a propane stove adds warmth and extends the season well beyond summer. A first-floor primary bedroom offers comfort and convenience, while two exceptionally spacious bedrooms above each enjoy beautiful views of Lake Winnipesaukee. Throughout the home, its pristine condition and thoughtful details reflect an unmistakable pride of ownership. Outside, an expansive front porch becomes an extension of the living space, with plenty of room for dining, entertaining, and relaxing against a sweeping Winnipesaukee backdrop. It is an idyllic setting for long summer afternoons, evenings with friends, and taking in the beauty of the lake. Owners enjoy convenient access to the Rattlesnake Island Association’s mainland facility, “The Landing,” with parking, trailer storage, boat launch, and docks for loading and unloading. Scenic walking trails wind throughout the island, offering another way to enjoy its natural surroundings. Beautifully appointed, impeccably maintained, and ready to enjoy, this is island living at its finest.
Location Highlights
548 Rattlesnake Island is a single family residence in Alton, New Hampshire, listed at $1,199,000. That works out to about $520 per square foot, for a home built in 1992. It has been on the market for 8 weeks.
From here it is 24.5 miles to Downtown Plymouth / Main Street and 28.6 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.
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
- 3
- Total Baths
- 2
- SqFt
- 2,307
- Price / SqFt
- $519.72
- Property Type
- Single Family Residence
- Year Built
- 1992
- County
- NH-Belknap
- Town
- Alton, NH
- Status
- Active
- Days on Market
- 57
Primary Features
- County
- NH-Belknap
- Property Type
- Residential
- Year Built
- 1992
- Zoning
- LR-LAK
Interior Features
- Basement
- No
- 1/4 Baths
- 0
- 3/4 Baths
- 2
- Cooling
- None
- Electric
- 200+ Amp Service, Circuit Breakers
- Heating
- Propane
- Rooms - Total
- 7
- SqFt-Approximate Finished Above Grade
- 2,307
- SqFt-Approximate Finished Below Grade
- 0
- SqFt Approximate Total Finished
- 2,307
- SqFt Approximate Total
- 2,307
Financial Details
- Association Fee
- $3,500
- Fee Frequency
- One-Time
- Tax - Gross Amount
- $7,985
- Tax Year
- 2024
- Taxes TBD
- No
Additional
- Construction Status
- Existing
- Construction
- Wood Frame
- Covenants
- Yes
- Easements
- Unknown
- Flood Zone
- Unknown
- Pre-Construction
- No
- Property Sub Type
- Single Family Residence
- Seasonal
- Yes
- Total Stories
- Two
- Surveyed
- Unknown
- Timeshare/Fractional Ownership
- No
External Features
- Driveway
- None
- Foundation
- Post/Piers
- Garage
- No
- Lot Features
- Mountain View, Views, Island
- Lot - Acres
- 0.65
- Lot - SqFt
- 28,314
- Road Frontage Type
- None
- Road Frontage
- No
- Roof
- Asphalt Shingle
- Sewer
- 1000 Gallon, Leach Field, Septic Tank
- Utilities
- Propane
- Water Source
- Lake/Pond
- Water Body Type
- Lake
MLS®: PrimeMLS #5108459; Listed by Four Seasons Sotheby's Int'l Realty · Becky Fuller · 603-677-7012
Property History
Estimated annual taxes for this property
- 2024
- $20,383
- 2023
- $19,873
- 2022
- $19,364
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 Alton
- 94
- Average list price
- $458,957
- Price range
- $200,000 – $799,900
Mortgage Calculator
Estimate your monthly payment for this home
Estimated Monthly Payment
$8,011/ mo
- Principal & Interest
- $6,063
- Property Tax
- $1,699
- Home Insurance
- $250
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 548 Rattlesnake Island, Alton, NH
Source: Google Maps Platform (Places) and Owl’s Nest Real Estate — not PrimeMLS data.
Questions About This Listing
How big is 548 Rattlesnake Island?
548 Rattlesnake Island in Alton, NH has 3 bedrooms and 2 bathrooms in 2,307 square feet of finished living space.
What is the asking price of 548 Rattlesnake Island?
548 Rattlesnake Island in Alton, NH is listed for $1,199,000 on PrimeMLS.
That is about $520 per square foot of finished living space.
It came on the market on September 5, 2026.
Is there a basement at 548 Rattlesnake Island?
No. The MLS lists no basement at 548 Rattlesnake Island in Alton, NH.
Is 548 Rattlesnake Island on the water?
Yes. The MLS lists 548 Rattlesnake Island in Alton, NH as a waterfront property on a lake.
The MLS also notes mountain view.
Confirm frontage, shoreland rules and any dock or beach rights during due diligence.
Is 548 Rattlesnake Island still available?
Yes. 548 Rattlesnake Island in Alton, NH is listed as Active on PrimeMLS (MLS #5108459).
Status can change quickly; contact us to confirm availability before you visit.
Who is the listing agent for 548 Rattlesnake Island?
548 Rattlesnake Island in Alton, NH is listed by Becky Fuller of Four Seasons Sotheby's Int'l Realty (603-677-7012).
Owl's Nest Real Estate shows it through the PrimeMLS IDX feed; we are not the listing brokerage.
What kind of property is 548 Rattlesnake Island?
548 Rattlesnake Island in Alton, NH is a single-family home built in 1992.
The MLS lists its style as Cottage/Camp, with two stories.
The MLS marks it as a seasonal property, so check year-round access and systems.
Where is 548 Rattlesnake Island located?
548 Rattlesnake Island is in Alton, New Hampshire 03810, in Belknap County.
Our Lake Winnipesaukee guide covers Alton and the surrounding towns.
How much land comes with 548 Rattlesnake Island?
548 Rattlesnake Island in Alton, NH sits on 0.65 acres, per the MLS.
The lot is described as island.
Zoning: LR-LAK.
The MLS notes covenants; review them in the deed and title work.
How much are the property taxes on 548 Rattlesnake Island?
Annual property taxes on 548 Rattlesnake Island in Alton, NH are $7,985 for the 2024 tax year, per the MLS.
New Hampshire towns set their own tax rates and revalue periodically, so confirm the current bill with the Alton assessing office.
Is there an HOA fee at 548 Rattlesnake Island?
The association fee for 548 Rattlesnake Island in Alton, NH is $3,500 (one-time), per the MLS.
Ask for the association documents and budget to see exactly what the fee covers.
How is 548 Rattlesnake Island heated?
548 Rattlesnake Island in Alton, NH is heated by propane, per the MLS.
The MLS lists no cooling system.
Does 548 Rattlesnake Island have town water and sewer?
548 Rattlesnake Island in Alton, NH has a private septic system, per the MLS.
MLS details — water: lake/pond; sewer: 1000 gallon, leach field and septic tank.
Electric: 200+ amp service and circuit breakers.
Other utilities: propane.
Plan a water test and septic inspection during your inspection period.
How does the price of 548 Rattlesnake Island compare with other Alton listings?
At $1,199,000, 548 Rattlesnake Island in Alton, NH is priced above the $817,450 median asking price of the 44 single-family homes for sale in Alton on PrimeMLS as of November 3, 2026 (this listing included).
That figure is Owl's Nest Real Estate's analysis of active listings, and asking prices are not sale prices — ask us for recent comparable sales before you make an offer.
How do I schedule a showing of 548 Rattlesnake Island?
To see 548 Rattlesnake Island in Alton, NH, use Request a Showing on this page or call Owl's Nest Real Estate at 401-648-5308.
We can show any MLS-listed home and represent you as your buyer's agent; the listing brokerage represents the seller.
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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 11/03/26.