OFF MARKET

Listed by Nancy DePorter • KW Coastal and Lakes & Mountains Realty/Wolfeboro. Bought with KW Coastal and Lakes & Mountains Realty/Wolfeboro.

Off Market Aug 2019 for $380K

$677,178

•

996

sq ft

182 Rattlesnake Is, Alton Bay, NH 03810

About this home

If you want afternoon sun, deep water and fantastic views then come look at this property. It has been well maintained and is move in ready. New hardwood floors on the main living level. Second floor consists of two bedrooms, one of which has it's own private deck. Third floor is a loft area fantastic for kids! There is a great pantry area for all your needs including a washer and dryer. The main deck is absolutely huge but there is also a waterside deck. An additional shed with more beds for overflow guests. Great privacy! Easy access to the mainland association area. Rattlesnake Island is an association island with fantastic hiking trails on the island and mainland parking with a boat ramp and a pick up dock. Possible boat slip at Minge Cove Marina available for buyer is wanted for additional monies. This one is ready to go to new owners, come see what makes it a special property!

Single-familyProperty Type

1990Year Built

0.76 acresLot Size

$680Est. Price/Sq.Ft.

Listed by Nancy DePorter • KW Coastal and Lakes & Mountains Realty/Wolfeboro

Bought with Nancy DePorter • KW Coastal and Lakes & Mountains Realty/Wolfeboro

Redfin checked: a minute ago

•Source:PrimeMLS #4753570

Redfin Estimate

$677,178

$297K since sold in August 2019$50K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 4.8% higher than the average sale price ($646K) of 6 comparable homes.

SOLD JUN 12, 2026
$700,000
A
3 beds1 bath694 sq ft
178 Rattlesnake Is, Alton Bay, NH 03810
SOLD AUG 14, 2026
$645,000
B
2 beds2 baths884 sq ft
4 Diamond Is, Gilford, NH 03249
SOLD JUN 25, 2026
$800,000
C
3 beds1.5 baths1,064 sq ft
120 Big Barndoor Is, Alton Bay, NH 03810
SOLD AUG 21, 2026
$590,000
D
3 beds2 baths1,921 sq ft
176 Sagamore Rd, Gilford, NH 03249
SOLD AUG 6, 2026
$600,000
E
2 beds1 bath1,147 sq ft
23 Cow Is, Center Tuftonboro, NH 03816
SOLD APR 30, 2026
$541,000
F
3 beds2 baths1,536 sq ft
60 Upland Dr, Gilford, NH 03249

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Earn from this home

Sell

$375,223

Est. take-home

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Rent

$2,631/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

99.4%

+1.7% MoM

Median sale price

$672K

$97K MoM

Avg. days on market

49d

20 days MoM

Recently sold homes

8 MoM

New listings for sale

NEW 28 HRS AGO
$539,900
2 beds1.5 baths867 sq ft
264 E Side Dr, Alton Bay, NH 03810
OPEN SAT, 9AM TO 11AM
$495,000
2 beds2 baths2,064 sq ft
19 Leigh Dr, Alton Bay, NH 03810
OPEN SAT, 10AM TO 12PM
$985,000
4 beds3 baths3,048 sq ft
106 Lakewood Dr, Alton Bay, NH 03810
$1,249,000
3 beds2 baths2,307 sq ft
548 Rattlesnake Is, Alton Bay, NH 03810
$3,800,000
3 beds3.5 baths3,235 sq ft
90 Minge Cove Rd, Alton Bay, NH 03810
$398,000
2 beds1 bath1,186 sq ft
7 Scott Dr, Alton Bay, NH 03810
$1,750,000
4 beds3.5 baths3,225 sq ft
1341 Cherry Valley Rd, Gilford, NH 03249
$1,359,000
2 beds1 bath1,218 sq ft
85 Rollins Rd, Alton, NH 03810
See all

Provided by Redfin

Sale history for 182 Rattlesnake Is

Year

Property tax

Land + Additions

Assessment*

2024

$5,959 (−1.5%)

$375,600 + $83,500

$459,100

2022

$6,051 (+8.6%)

$375,600 + $83,500

$459,100

2021

$5,571 (+23.5%)

$406,000 + $83,500

$489,500

2020

$4,511 (+11.5%)

$227,800 + $95,600

$323,400

2019

$4,046 (−6.9%)

$227,800 + $95,600

$323,400

2018

$4,344 (+8.8%)

$227,800 + $82,700

$310,500

2017

$3,993 (+2.6%)

$227,800 + $82,700

$310,500

2016

$3,891 (−0.8%)

$202,000 + $73,000

$275,000

2015

$3,924 (+3.8%)

$202,000 + $73,000

$275,000

2013

$3,779

$208,300 + $72,900

$281,200

Tax history for 182 Rattlesnake Is

Year

Property tax

Land + Additions

Assessment*

2024

$5,959 (−1.5%)

$375,600 + $83,500

$459,100

2022

$6,051 (+8.6%)

$375,600 + $83,500

$459,100

2021

$5,571 (+23.5%)

$406,000 + $83,500

$489,500

2020

$4,511 (+11.5%)

$227,800 + $95,600

$323,400

2019

$4,046 (−6.9%)

$227,800 + $95,600

$323,400

2018

$4,344 (+8.8%)

$227,800 + $82,700

$310,500

2017

$3,993 (+2.6%)

$227,800 + $82,700

$310,500

2016

$3,891 (−0.8%)

$202,000 + $73,000

$275,000

2015

$3,924 (+3.8%)

$202,000 + $73,000

$275,000

2013

$3,779

$208,300 + $72,900

$281,200

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Public record

Beds

Baths

Stories

Lot width

—

Lot depth

—

Lot size

0.76 Acres

Year renovated

—

Sq. Ft.

1,053

Year built

1990

Style

Single Family Residential

County

Belknap County

APN

729223

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Aug 5, 2026.

Property details

Interior

Virtual Tour

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

Other Interior Features
# of Rooms: 5
Flooring: Carpet, Hardwood
Water Heater: Electric
Cathedral Ceiling, Wood Stove Hook-up

Equipment & Appliance Information
Dishwasher, Dryer, Range - Electric, Refrigerator, Washer
Stove-Wood

Room 1 Information
Kitchen
Kitchen
Dimensions: 11 x 11.5
Level: 1

Room 2 Information
Living Room
Dimensions: 11.5 x 18
Level: 1

Room 3 Information
Bedroom
Dimensions: 10 x 13.5
Level: 2

Room 4 Information
Bedroom
Dimensions: 9 x 13.5
Level: 2

Exterior

Building Information
Construction Status: Existing
Approximate Sq. Ft. Total Finished: 996
Approximate Sq. Ft. Total: 996
Boat Slip/Dock, Docks, Deck, Shed, Storage, Window Screens
Construction: Wood Frame
Foundation: Post/Piers
Roof: Shingle - Architectural
Exterior: Clapboard

Lot, Zoning, & Easement Information
Lot: 10
Lake Frontage, Lake View, Mountain View, Steep, View, Waterfront

Survey Information
Surveyed: Unknown

Other Property & Lot Information
Year Built: 1990
Water View: Yes
Water View: Y
Waterfront: Yes
Water Body Access: Yes
Dock Access

Financial

Assessment Information
Assessment Amount: 310500
Assessment Year: 2018

Tax Information
Tax Year: 2018
Gross Amount Tax: 4695

Other Tax Information
Page Deed: 035

Utilities

Heating & Cooling Information
Heat: Baseboard, Electric
Heat Fuel: Electric, Wood

Sewer Information
Drywell, Other

Electric Information
100 Amp, Circuit Breaker(s)

Water Information
Other
Water Frontage Length: 152

Other Utilities Information
High Speed Intrnt -Avail

Location

Homeowners Association
Fee: 250
Yearly
Other

Road Information
None

Other Location Information
Directions: North of the peninsula on westerly side of the island.
Block: 0

Public facts

Beds: 3
Baths: 1.0
Sq. Ft.: 1,053
Stories: 1.0
Lot Size: 0.76 acres
Style: Single Family Residential
Year Built: 1990
Year Renovated: —
County: Belknap County
APN: 729223

Home facts updated by county records on Aug 5, 2026

Other

Water Body Information
Lake
Name: Winnipesaukee
Access: Owned

Misc. Information
Seasonal: Yes

Around this home

Schools

Alton Central School

Public PreK-8 • Assigned • 8.8mi

5/10

Prospect Mountain High School

Public 9-12 • Assigned • 9.8mi

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 92° expected this year, 16 days in 30 years

4/10 Wind Factor

12% 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 Bay, NH • 03810

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

$644,000 – $779,000

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New listings for sale in 03810

NEW 28 HRS AGO

$539,900

2 beds1.5 baths867 sq ft

264 E Side Dr, Alton Bay, NH 03810

OPEN SAT, 9AM TO 11AM

$495,000

2 beds2 baths2,064 sq ft

19 Leigh Dr, Alton Bay, NH 03810

OPEN SAT, 10AM TO 12PM

$985,000

4 beds3 baths3,048 sq ft

106 Lakewood Dr, Alton Bay, NH 03810

$1,249,000

3 beds2 baths2,307 sq ft

548 Rattlesnake Is, Alton Bay, NH 03810

$3,800,000

3 beds3.5 baths3,235 sq ft

90 Minge Cove Rd, Alton Bay, NH 03810

$398,000

2 beds1 bath1,186 sq ft

7 Scott Dr, Alton Bay, NH 03810

$1,750,000

4 beds3.5 baths3,225 sq ft

1341 Cherry Valley Rd, Gilford, NH 03249

$1,359,000

2 beds1 bath1,218 sq ft

85 Rollins Rd, Alton, NH 03810

Home values near 182 Rattlesnake Is

Data from public records.

Address	Redfin Estimate
206 Rattlesnake Island, Alton Bay, NH 2 Beds \| 1 Baths \| 1099 Sq. Ft.	$717,268
158 Rattlesnake Island, Alton Bay, NH 4 Beds \| 1 Baths \| 1184 Sq. Ft.	$636,413

Address	Redfin Estimate
230 Rattlesnake Island, Alton Bay, NH 3 Beds \| 1.5 Baths \| 1440 Sq. Ft.	$805,550
150 Rattlesnake Island, Alton Bay, NH 1 Beds \| 1 Baths \| 1127 Sq. Ft.	$515,635

Address	Redfin Estimate
222 Rattlesnake Island, Alton Bay, NH 3 Beds \| 1 Baths \| 1271 Sq. Ft.	$645,668
172 Rattlesnake Island, Alton Bay, NH 1 Beds \| - Baths \| 733 Sq. Ft.	$505,395

Property information provided by PrimeMLS when last listed in 2019. This data may not match . Learn more.

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About this home

Redfin Estimate

Earn from this home

Market trends in 03810, NH

Sale history for 182 Rattlesnake Is

Tax history for 182 Rattlesnake Is

Public record

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 03810

Home values near 182 Rattlesnake Is

More real estate resources