OFF MARKET

Listed by Betty Ann Bickford • Maxfield Real Estate/Wolfeboro. Bought with Keller Williams Realty-Metropolitan.

Off Market Oct 2020 for $493K

$858,295

•

1,320

sq ft

490 Rattlesnake Is, Alton, NH 03809

About this home

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.

Single-familyProperty Type

2010Year Built

0.72 acresLot Size

$650Est. Price/Sq.Ft.

Listed by Betty Ann Bickford • Maxfield Real Estate/Wolfeboro

Listed by Jen McCullough • Maxfield Real Estate/Wolfeboro

Bought with D'Ann True • Keller Williams Realty-Metropolitan

Redfin checked: a few seconds ago

•Source:PrimeMLS #4822122

Redfin Estimate

$858,295

$365K since sold in October 2020$54K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 11.9% higher than the average sale price ($767K) of 6 comparable homes.

SOLD AUG 14, 2026
$645,000
A
2 beds2 baths884 sq ft
4 Diamond Is, Gilford, NH 03249
SOLD SEP 10, 2026
$1,325,000
B
3 beds2 baths1,536 sq ft
230 Big Barndoor Is, Alton Bay, NH 03810
SOLD APR 2, 2026
$550,000
C
2 beds1 bath1,400 sq ft
195 Sewall Rd, Wolfeboro, NH 03894
SOLD JUN 12, 2026
$700,000
D
3 beds1 bath694 sq ft
178 Rattlesnake Is, Alton Bay, NH 03810
SOLD OCT 6, 2025
$582,500
E
2 beds2 baths1,598 sq ft
6 Dudley Rd, Wolfeboro, NH 03894
SOLD JUN 25, 2026
$800,000
F
3 beds1.5 baths1,064 sq ft
120 Big Barndoor Is, Alton Bay, NH 03810

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Earn from this home

Sell

$457,944

Est. take-home

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Rent

$1,842/mo

Redfin rental estimate

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Market trends in 03810, NH

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

98.2%

1.2% MoM

Median sale price

$672K

$97K MoM

Avg. days on market

49d

20 days MoM

Recently sold homes

8 MoM

New listings for sale

$248,000
3 beds2 baths1,509 sq ft
21 Osprey Rd, Alton, NH 03809
$55,000
2 beds1 bath732 sq ft
159 Heron Point Rd #6, Alton, NH 03809
See all

Provided by Redfin

Sale history for 490 Rattlesnake Is

Public record

Beds

—

Baths

—

Stories

—

Lot width

—

Lot depth

—

Lot size

—

Year renovated

—

Sq. Ft.

—

Year built

—

Style

Single Family Residential

County

Belknap County

APN

—

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Aug 18, 2020.

Property details

Interior

Virtual Tour

Bathroom Information
# of Baths (3/4): 1
# of Baths (1/2): 1

Other Interior Features
# of Rooms: 5
Flooring: Laminate
Water Heater: Electric
Cathedral Ceiling, Master Bedroom With Bath, Natural Light, Natural Woodwork

Equipment & Appliance Information
Cooktop - Gas, Dryer, Refrigerator, Washer

Room 1 Information
Kitchen/Dining
Kitchen/Dining
Level: 2

Room 2 Information
Master Bedroom
Level: 2

Room 3 Information
Master Bedroom Suite
Level: 2

Room 4 Information
Family Room
Level: 1

Room 5 Information
Loft
Level: 1

Exterior

Building Information
Construction Status: Existing
Approximate Sq. Ft. Total Finished: 1320
Approximate Sq. Ft. Total: 1320
Deck, Private Dock, Shed
Construction: Wood Frame
Foundation: Post/Piers
Roof: Shingle - Asphalt
Exterior: Wood Siding

Lot, Zoning, & Easement Information
Lot: 37
Country Setting, Deep Water Access, Lake Frontage, Lake View, Mountain View, Waterfront

Survey Information
Surveyed: Unknown

Boat, Moorage, and Water Information
Water Body Name: Lake Winnipesaukee

Other Property & Lot Information
Year Built: 2010
Water View: Yes
Water View: Y
Waterfront: Yes
Waterfront Rights: Exclusively Owned
Water Body Name: Winnipesaukee Lake
Water Body Access: Yes
Deep Water Access, Dock Access

Financial

Assessment Information
Assessment Amount: 387500
Assessment Year: 2019

Tax Information
Tax Year: 2019
Gross Amount Tax: 4848

Other Tax Information
Page Deed: 13

Utilities

Heating & Cooling Information
Cooling: Other
Heat: Electric, Stove - Wood
Heat Fuel: Electric, Wood

Sewer Information
Leach Field - On-Site, On-Site Septic Exists

Electric Information
200 Amp

Water Information
Other
Water Restrictions: Unknown
Water Frontage Length: 106

Other Utilities Information
Satellite

Location

Homeowners Association
Association Amenities: Common Acreage

School Information
School District: Alton School District SAU #72
Elementary School: Alton Central School
Elementary School: Alton Central School
Middle/Jr School: Alton Central School

Road Information
None

Other Location Information
Directions: West Side of Rattlesnake Island. Only accessible by boat.
Block: 0

Public facts

Beds: —
Baths: —
Sq. Ft.: —
Stories: —
Lot Size: —
Style: Single Family Residential
Year Built: —
Year Renovated: —
County: Belknap County
APN: —

Home facts updated by county records on Aug 18, 2020

Other

Water Body Information
Lake
Flood Zone: Unknown

Misc. Information
Seasonal: Yes

Around this home

Schools

Alton Central School

Public PreK-8 • Assigned • 8.1mi

5/10

Prospect Mountain High School

Public 9-12 • Assigned • 9.2mi

4/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

3/10 Heat Factor

7 days above 91° expected this year, 16 days in 30 years

4/10 Wind Factor

10% chance of strong winds in next 30 years

2/10 Air Factor

1 unhealthy days expected this year, 1 days in 30 years

Provided by First Street

Historical weather

Alton, NH • 03809

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 8.6 hours in June and 3.9 hours in December, placing it below the U.S. average for solar exposure.

8.6 hrs

3.9 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$816,000 – $988,000

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Nearby similar homes

VIDEO TOUR

$1,539,950

3 beds1 bath1,349 sq ft

326 Rattlesnake Is, Alton Bay, NH 03810

$249,999

Land— sq ft

Lot 3 Jaytee Dr #7, Alton, NH 03809

$2,300,000

3 beds2.5 baths2,921 sq ft

22 Ginger Gold Way, Gilford, NH 03249

$329,000

2 beds1 bath1,235 sq ft

11 Marsha, Alton Bay, NH 03810

$1,499,000

4 beds3 baths1,935 sq ft

348 Big Barndoor Is, Alton Bay, NH 03810

$599,000

2 beds1 bath786 sq ft

756 Rattlesnake Is, Alton, NH 03810

New listings for sale in 03809

$248,000

3 beds2 baths1,509 sq ft

21 Osprey Rd, Alton, NH 03809

$55,000

2 beds1 bath732 sq ft

159 Heron Point Rd #6, Alton, NH 03809

Home values near 490 Rattlesnake Is

Data from public records.

Address	Redfin Estimate
442 Rattlesnake Island, Alton Bay, NH 2 Beds \| 1 Baths \| 720 Sq. Ft.	$599,526
460 Rattlesnake Island, Alton Bay, NH 2 Beds \| 1 Baths \| 1177 Sq. Ft.	$781,498

Address	Redfin Estimate
466 Rattlesnake Island, Alton Bay, NH 4 Beds \| 1 Baths \| 1191 Sq. Ft.	$605,078
514 Rattlesnake Island, Alton Bay, NH 1 Beds \| 1 Baths \| 928 Sq. Ft.	$686,271

Address	Redfin Estimate
536 Rattlesnake Island, Alton Bay, NH 2 Beds \| - Baths \| 1004 Sq. Ft.	$739,192
516 Rattlesnake Island, Alton Bay, NH 2 Beds \| 2 Baths \| 2239 Sq. Ft.	$844,290

Property information provided by PrimeMLS when last listed in 2020. This data may not match . Learn more.

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