490 Rattlesnake Island

Closed 10/23/20
Closed 10/23/20
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Last Sold Price
$493,500
2 beds1,320 sqft$374/sqft
490 Rattlesnake Island, Alton, NH 03810

Description

Prime location on historic Rattlesnake Island on Lake Winnipesaukee! Protected from the prevailing winds, this property also enjoys a warm and sunny southwest exposure. The angle of the docks provide long views in both directions. Built in 2010, this young home is just waiting for your finishing touches. The upper level of this home has two bedrooms, two baths, cathedral ceilings, and a large eat in kitchen boasting gorgeous custom wood counter tops. On the ground floor there is a large semi finished...Prime location on historic Rattlesnake Island on Lake Winnipesaukee! Protected from the prevailing winds, this property also enjoys a warm and sunny southwest exposure. The angle of the docks provide long views in both directions. Built in 2010, this young home is just waiting for your finishing touches. The upper level of this home has two bedrooms, two baths, cathedral ceilings, and a large eat in kitchen boasting gorgeous custom wood counter tops. On the ground floor there is a large semi finished family room looking out to the lake through a wall of windows. A loft above provides extra sleeping space. The island also offers hiking trails with some of the best views on the Lake. If you have been waiting for something to come up for sale on Rattlesnake this summer, look no further. Rattlesnake Island Association owns property on the center of the island, as well as property on the mainland. This consists of two transient docks, a launching ramp and two parking lots, one of which is secured for winter boat storage.
LISTING CLOSED: 10/23/2020 12:00 AM

  1. Listed by Betty Ann Bickford • Maxfield Real Estate/Wolfeboro
  2. Listed by Jen McCullough • Maxfield Real Estate/Wolfeboro

Sold By Keller Williams Realty-Metropolitan

Property Details for 490 Rattlesnake Island

Status
Closed
MLS #
4822122
Days on Market
39
Taxes
$4,848 / year
HOA Fees
-
Condo/Co-op Fees
-
Property Type
Single Family
MLS Type
Residential / Single Family
Year Built
2010
Lot Size
0.72 AC / 31,363 SF
County
Belknap County
Water Body Type
Lake
Water View
Yes
Waterfront Property
Yes
Zoning
LR

Recent comparable sales

Median sold price

$565,000

Avg days on market

40

Sale-to-list ratio

92.6%

Alton, NH

9 comparable properties found

$615,000 | 378 Sleepers Island, Alton, NH 03810
1/50
1

$615,000

Sold 10/31/25

2
Bedrooms
1,078
Square Feet
0.55
Acres

378 Sleepers Island, Alton, NH 03810

$565,000 | 230 Rattlesnake Island, Alton, NH 03810
1/55
2

$565,000

Sold 11/10/25

3
Bedrooms
1,440
Square Feet
0.69
Acres

230 Rattlesnake Island, Alton, NH 03810

$407,000 | 18 Bachelor Drive, Alton, NH 03810
1/39
3

$407,000

Sold 09/29/25

2
Bedrooms
1,420
Square Feet
1.1
Acres

18 Bachelor Drive, Alton, NH 03810

$456,000 | 346 Trask Side Road, Alton, NH 03810
1/29
4

$456,000

Sold 10/25/24

2
Bedrooms
1,301
Square Feet
0.69
Acres

346 Trask Side Road, Alton, NH 03810

$1,375,000 | 1800 Mt Major Highway, Alton, NH 03810
1/56
5

$1,375,000

Sold 08/15/25

2
Bedrooms
1,162
Square Feet
0.13
Acres

1800 Mt Major Highway, Alton, NH 03810

$420,000 | 8 Beach Street, Alton, NH 03810
1/41
6

$420,000

Sold 10/08/24

3
Bedrooms
1,140
Square Feet
0.17
Acres

8 Beach Street, Alton, NH 03810

$1,650,000 | 150 Minge Cove Road, Alton, NH 03810
1/61
7

$1,650,000

Sold 09/26/25

2
Bedrooms
1,120
Square Feet
0.44
Acres

150 Minge Cove Road, Alton, NH 03810

$360,000 | 1425 Mt Major Highway, Alton, NH 03810
1/60
8

$360,000

Sold 01/23/26

3
Bedrooms
1,523
Square Feet
1.78
Acres

1425 Mt Major Highway, Alton, NH 03810

$950,000 | 448 Rattlesnake Island, Alton, NH 03810
1/40
9

$950,000

Sold 09/27/24

2
Bedrooms
1,054
Square Feet
0.71
Acres

448 Rattlesnake Island, Alton, NH 03810

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Building Information for 490 Rattlesnake Island

Stories1Year Built2010Building Size-Lot Size0.72 AC / 31,363 SF

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$2,912 per month

30 year fixed, 6.55% Interest

Principal and Interest

$2,508

Property Taxes

$404

HOA Dues

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Property Information for 490 Rattlesnake Island

Summary
Location and General Information
  • City: Alton
  • County: NH-Belknap
  • Directions: West Side of Rattlesnake Island. Only accessible by boat.
  • Latitude: 43.561599902095310
  • Longitude: -71.280020728836064
  • Road Frontage: No
  • Seasonal: Yes
  • State: NH
  • Street Designation: Island
  • Map: 79
  • Zip: 03809
Taxes and HOA Information
  • Tax - Gross Amount: $4,848.00
  • Tax Year: 2019
  • Taxes TBD: No
School Information
  • School - High: Prospect Mountain High School
  • School - District: Alton School District SAU #72
  • School - Elementary: Alton Central School
  • School - Middle/Jr: Alton Central School
Parking
  • Garage: No
  • Driveway: None
Property
Lot Information
  • Block: 0
  • Lot: 37
  • Lot - Sqft: 31363.0
  • Lot Size Acres: 0.72
  • Square Feet Apx Finished Above Grade: 1320.0
  • Square Feet Apx Finished AG Source: Public Records
  • Square Feet Apx Finished Below Grade: 0.0
  • Square Feet Apx Finished BG Source: Public Records
  • Square Feet Apx Total: 1320.0
  • Square Feet Apx Total Finished: 1320.0
  • Square Feet Apx Unfinished Above Grade: 0.0
  • Square Feet Apx Unfinished AG Source: Public Records
  • Square Feet Apx Unfinished Below Grade: 0.0
  • Square Feet Apx Unfinished BG Source: Public Records
  • Water Frontage Length: 106.0
  • Water Body Access: Yes
  • Water Body Name: Lake Winnipesaukee
  • Waterfront Property Rights: Exclusively Owned
Property and Assessments
  • Current Use: No
  • Assessment Amount: $387,500
  • Assessment Year: 2019
  • Property Class: Residential
  • Property Type: Single Family
  • Flood Zone: Unknown
  • Foundation: Post/Piers
  • Owned Land: Yes
  • PreConstruction: No
  • Surveyed: Unknown
  • Water Body Restrictions: Unknown
  • Year Built: 2010
Utilities
  • Electric: 200 Amp
  • Sewer: Leach Field - On-Site, On-Site Septic Exists
  • Utilities: Satellite
  • Water Access Details: Deep Water Access, Dock Access
Interior and Exterior Features
Exterior Features
  • Association Amenities: Common Acreage
  • Features - Exterior: Deck, Private Dock, Shed
  • Roads: None
  • Roof: Shingle - Asphalt
Interior Features
  • Appliances: Cooktop - Gas, Dryer, Refrigerator, Washer
  • Basement: No
  • Baths - Total: 2
  • Baths - Full: 0
  • Half Baths: 1
  • One Quarter Baths: 0
  • Three Quarter Bath: 1
  • Rooms - Total: 5
  • Rooms: Level 1: Level 1: Family Room, Level 1: Loft
  • Rooms: Level 2: Level 2: Kitchen/Dining, Level 2: Master Bedroom, Level 2: Master Bdm Suite
  • Bedrooms - Total: 2
  • Features - Interior: Cathedral Ceiling, Master BR w/ BA, Natural Light, Natural Woodwork
  • Flooring: Laminate
  • Heat Fuel: Electric, Wood
  • Heating: Electric, Stove - Wood
  • Cooling: Other
  • Total Stories: 1.5
Room Information
Room 1
  • Room Level: 2
  • Room Type: Kitchen/Dining
Room 2
  • Room Level: 2
  • Room Type: Master Bedroom
Room 3
  • Room Level: 2
  • Room Type: MBR Suite
Room 4
  • Room Level: 1
  • Room Type: Family Room
Room 5
  • Room Level: 1
  • Room Type: Loft

Property History for 490 Rattlesnake Island

DateEvent & SourcePriceAppreciation
Oct 23, 2020

Sold

New England Real Estate Network #4822122

$493,500—
Aug 11, 2020

Listed (Active)

New England Real Estate Network #4822122

$545,000—
Feb 7, 2000

Sold (Public Record)

Public Record #284976032

$79,900—
DateEvent & SourcePrice
10/23/2020

Sold

New England Real Estate Network #4822122

$493,500
08/11/2020

Listed (Active)

New England Real Estate Network #4822122

$545,000
02/07/2000

Sold (Public Record)

Public Record #284976032

$79,900

For completeness, we often displays two records for one sale: the MLS record and the public record.

Public Records for 490 Rattlesnake Island

Taxable ValueLand$383,300Additions$139,700Total$523,000
Tax Record2022$5,947 ($496 / month)
Home Facts
Beds3Baths2.5Total Finished SqFt1,410 SqFtAbove Grade Finished SqFt1,410 SqFtStories1Lot Size31,363 SqFtStyleSingle Family ResidenceYear Built2010ZoningLR-LAKCountyBELKNAPAPNALTN M:79 B:37

Schools near 490 Rattlesnake Island

This home is within Prospect Mountain School District.
Rating
School
Type
Grades
Distance
Alton Central School (Elem)
Public - PK to 8
Prospect Mountain High School
Public - 9 to 13
Rating
School
Distance
Alton Central School (Elem)
PublicPK to 8

Prospect Mountain High School
Public9 to 13

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

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Nearby home values

AddressSold priceBedsBathsSqftLot (Sqft)
This home: 490 Rattlesnake Island, Alton, NH 03810
$493,500
2
1,320
31,363
492 Rattlesnake Island, Alton Bay, NH 03810
–
1
1.5
499
31,363
484 Rattlesnake Island, Alton, NH 03810
$400,000
2
–
845
30,056
500 Rattlesnake Island, Alton, NH 03810
$215,000
–
–
756
30,056
482 Rattlesnake Island, Alton, NH 03810
$275,000
3
1,724
43,560
476 Rattlesnake Island, Alton Bay, NH 03810
$295,000
2
1.5
1,061
30,928

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No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of any information, descriptions or measurements (including square footage measurements and property condition), such should be independently verified through appropriate means, including, but not limited to, in person inspection and public records, and Compass International Holdings, its subsidiaries, affiliates and independently owned and operated franchisees, and their affiliated agents and associated third parties expressly disclaim any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the seller's discretion. No financial or legal advice provided. Equal Housing Opportunity. Subject to change at any time. Compass, Inc., its subsidiaries, affiliates and their agents and associated third parties make no guarantee, warranty or representation regarding the accuracy of any waterfront feature, water view or waterfront view.

Listing Courtesy of Maxfield Real Estate/Wolfeboro

Copyright 2026 PrimeMLS, Inc. All rights reserved. This information is deemed reliable, but not guaranteed. The data relating to real estate displayed on this Site comes in part from the IDX Program of PrimeMLS. The information being provided is 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 08/23/2026 05:29 PM