Google satellite image for 647 Prospect Mountain Rd, Alton, NH 03809

Off market

$474,983

•

1 ba

•

1,892

sq ft

647 Prospect Mountain Rd, Alton, NH 03809

About this home

647 Prospect Mountain Rd is a 1,892 square foot house on a 5 acre lot with 3 bedrooms and 1 bathroom. Based on Redfin's Alton data, we estimate the home's value is $474,983.

Single-familyProperty Type

1979Year Built

5 acresLot Size

$251Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$474,983

$6,000 since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 4.2% lower than the average sale price ($496K) of 6 comparable homes.

SOLD JUN 26, 2026
$460,000
A
3 beds2 baths1,678 sq ft
36 Pearson Rd, Alton, NH 03809
SOLD JUL 17, 2026
$499,000
B
3 beds2 baths1,828 sq ft
229 Valley Rd, New Durham, NH 03855
SOLD SEP 18, 2026
$410,000
C
3 beds1.5 baths2,001 sq ft
8 Cottage Ct, Farmington, NH 03835
SOLD SEP 21, 2026
$500,000
D
3 beds2 baths1,740 sq ft
215 White Oak Rd, Center Barnstead, NH 03225
SOLD AUG 20, 2026
$570,000
E
2 beds1 bath1,632 sq ft
502 Hornetown Rd, Farmington, NH 03835
SOLD JUL 17, 2026
$535,000
F
3 beds2 baths2,128 sq ft
33 Quaker Rd, New Durham, NH 03855

Claim this home to receive a free report every month with insights on the changing estimate.

Earn from this home

Sell

$445,634

Est. take-home

List your home with Redfin and save $4,750

Rent

$2,556/mo

Redfin rental estimate

List your home for rent

Market trends in 03809, NH

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

96.3%

2.0% MoM

Median sale price

$590K

$173 MoM

Avg. days on market

39d

9 days MoM

Recently sold homes

2 MoM

New listings for sale

$475,000
2 beds1 bath1,008 sq ft
7 Palm Ln, Alton, NH 03809
$265,000
3 beds2 baths1,472 sq ft
56 Osprey Rd, Alton, NH 03809
$299,999
3 beds1 bath1,446 sq ft
54 Old Wolfeboro Rd, Alton, NH 03809
$649,000
5 beds2.5 baths3,940 sq ft
40 Old Wolfeboro Rd, Alton, NH 03809
$418,000
4 beds3 baths2,068 sq ft
222 Main St, Alton, NH 03809
See all

Provided by Redfin

Sale history for 647 Prospect Mountain Rd

As the MLS and public records start to fill up, we'll list the details here.

Tax history for 647 Prospect Mountain Rd

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

Property details

Interior

Bathroom Information
# of Full Baths: 1

Heating & Cooling
Heating Type: Forced Hot Water

Room Information
# of Rooms: 5

Exterior

Exterior Information
Physical Condition: Good
Building Style Type: Contemporary
Exterior Wall: Stone/Stucco
Roof Shape Type: Gambrel

Property Information
Subdivision Name: HEATHER WELCH
Living Sq. Ft: 1,892
Gross Sq. Ft: 4,207
Ground Floor Sq. Ft: 946
# of Units: 1
# of Stories: 2

Lot Information
# of Buildings: 1
Land Sq. Ft: 217,800
Legal Lot Number: 1
Legal Block Number: 24
Municipality Name: ALTON
Acres: 5
Zoning Code: RU-RUR
State Use Description: 1-FAMILY RESIDENCE

Financial

Assessor Information
Assessment Year: 2024

Public facts

Beds: 3
Baths: 1.0
Sq. Ft.: 1,892
Stories: 2.0
Lot Size: 5 acres
Style: Single Family Residential
Year Built: 1979
Year Renovated: —
County: Belknap County
APN: 4681007S

Home facts updated by county records on Sep 16, 2026

Around this home

Schools

K - 12
Preschool & daycare

Alton Central School

Public PreK-8 • Assigned • 4.4mi

5/10

Prospect Mountain High School

Public 9-12 • Assigned • 3.4mi

4/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

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

Try the sun simulator tool to see how light moves across the property at different times of day and year.

Provided by Shadowmap

Estimated sale price

$452,000 – $547,000

Reach more buyers when you sell with Redfin. Save up to $4,750 in fees. 3 minutes to get started.

Get a free, detailed breakdown of how we calculated your estimate.

Nearby similar homes

REDFIN OPEN SUN, 11AM TO 1PM3D WALKTHROUGH

$360,000

2 beds1 bath995 sq ft

60 Tamworth Trl, Center Barnstead, NH 03225

Community amenities • 2 pools • Tennis courts

$750,000

3 beds2.5 baths2,434 sq ft

355 Narrows Rd, Center Barnstead, NH 03225

Private dock • Open-concept kitchen • Two walk-in closets

$560,000

4 beds3 baths3,140 sq ft

532 Frank C Gilman Hwy, Alton, NH 03809

Four bedroom cape • Array of skylights • Mt major trails

$250,000

2 beds1 bath1,221 sq ft

12 Lincoln Ln, Center Barnstead, NH 03218

Newer roof • Newer appliances • Locke lake access

$498,000

1 bed1.5 baths1,388 sq ft

83 Birch Hill Rd, New Durham, NH 03855

Finished lower level • Wood-burning stove • 2 acre lot

$475,000

2 beds1 bath1,008 sq ft

7 Palm Ln, Alton, NH 03809

Modern kitchen • Charming dining area • Spacious living room

New listings for sale in 03809

$475,000

2 beds1 bath1,008 sq ft

7 Palm Ln, Alton, NH 03809

Modern kitchen • Charming dining area • Spacious living room

$265,000

3 beds2 baths1,472 sq ft

56 Osprey Rd, Alton, NH 03809

Premier lot • Conservation land • One-level living

$299,999

3 beds1 bath1,446 sq ft

54 Old Wolfeboro Rd, Alton, NH 03809

Zoned as commercial • Zoned as residential • 0.57 acre lot

$649,000

5 beds2.5 baths3,940 sq ft

40 Old Wolfeboro Rd, Alton, NH 03809

Attached barn • Custom penny bar • Farmer's porch

$418,000

4 beds3 baths2,068 sq ft

222 Main St, Alton, NH 03809

Minutes to alton bay • Town beach • Two boat ramps

Home values near 647 Prospect Mountain Rd

Data from public records.

Address	Redfin Estimate
631 Prospect Mountain Road, Alton, NH 2 Beds \| 2 Baths \| 2030 Sq. Ft.	$592,814
586 Prospect Mountain Road, Alton, NH 3 Beds \| 2 Baths \| 1894 Sq. Ft.	$600,538
613 Prospect Mountain Road, Alton, NH 3 Beds \| 2.5 Baths \| 3159 Sq. Ft.	$690,710
44 Ragged Mountain Road, New Durham, NH 3 Beds \| 1 Baths \| 1281 Sq. Ft.	$437,077
16 Ridge Road, New Durham, NH 4 Beds \| 2.5 Baths \| 3312 Sq. Ft.	$736,041
2 Ridge Road, New Durham, NH 4 Beds \| 3.5 Baths \| 3088 Sq. Ft.	$874,700
16 Ridge Road, New Durham, NH 4 Beds \| 2.5 Baths \| 4406 Sq. Ft.	$978,467

Address	Redfin Estimate
613 Prospect Mountain Road, Alton, NH 3 Beds \| 2.5 Baths \| 3159 Sq. Ft.	$703,912
641 Prospect Mountain Road, Alton, NH 2 Beds \| 1.5 Baths \| 1847 Sq. Ft.	$580,731
625 Prospect Mountain Road, Alton, NH 2 Beds \| 1.5 Baths \| 2592 Sq. Ft.	$674,621
2 Ridge Road, New Durham, NH 3 Beds \| 3.5 Baths \| 2165 Sq. Ft.	$663,923
34 Ragged Mountain Road, New Durham, NH 2 Beds \| 1.5 Baths \| 1535 Sq. Ft.	$421,213
34 Ragged Mountain Road, New Durham, NH 2 Beds \| 1.5 Baths \| 1810 Sq. Ft.	$485,135

Address	Redfin Estimate
625 Prospect Mountain Road, Alton, NH 2 Beds \| 1.5 Baths \| 1984 Sq. Ft.	$722,731
631 Prospect Mountain Road, Alton, NH 2 Beds \| 2 Baths \| 2771 Sq. Ft.	$571,196
586 Prospect Mountain Road, Alton, NH 3 Beds \| 2 Baths \| 1894 Sq. Ft.	$583,398
53 Ragged Mountain Road, New Durham, NH 3 Beds \| 3.5 Baths \| 1720 Sq. Ft.	$459,516
44 Ragged Mountain Road, New Durham, NH 3 Beds \| 2.5 Baths \| 2495 Sq. Ft.	$725,530
53 Ragged Mountain Road, New Durham, NH 3 Beds \| 4.5 Baths \| 3426 Sq. Ft.	$860,629

Download the Redfin App on the Apple App Store

Download the Redfin App from the Google Play Store

Join us

Become an Agent

Get referrals

Careers

Find homes faster

About us

Find us

Subsidiaries

Affiliated Business

Countries

United States

Canada

Updated September 2025: By searching, you agree to the Terms of Use, and Privacy Policy.

Do not sell or share my personal information.

REDFIN and all REDFIN variants, WALK SCORE, and the R logos, are trademarks of Redfin Corporation, registered or pending in the USPTO.

Redfin Brokerage Licenses

California DRE #01521930

Redfin is licensed to do business in New York as Redfin Real Estate. NY Standard Operating Procedures

New Mexico Real Estate Licenses

TREC: Info About Brokerage Services, Consumer Protection Notice

All mortgage lending products and information are provided by Rocket Mortgage, LLC | NMLS #3030; www.NMLSConsumerAccess.org. Licensed in 50 states. This site is not authorized by the New York State Department of Financial Services for mortgage solicitation or loan applications activities related to properties located in the State of New York.

Redfin Corporation is an affiliated business of Rocket Limited Partnership. Each company, and their subsidiaries, are separate legal entities operated and managed through its own management and governance structures.

If you are using a screen reader, or having trouble reading this website, please call Redfin Customer Support for help at 1-844-759-7732.

REDFIN IS COMMITTED TO AND ABIDES BY THE FAIR HOUSING ACT AND EQUAL OPPORTUNITY ACT. READ REDFIN'S FAIR HOUSING POLICY AND THE NEW YORK STATE FAIR HOUSING NOTICE.

GreatSchools Ratings provided by GreatSchools.org.

Barrington homes for sale
Gilford homes for sale
Bow homes for sale
Wakefield homes for sale
Moultonborough homes for sale

Houses for rent in Alton	Agents near me	Londonderry, NH homes for sale	Alton Housing Market
Houses for sale near me	Nashua, NH homes for sale	Derry, NH homes for sale
Land for sale near me	Portsmouth, NH homes for sale	Hudson, NH homes for sale
Open Houses near me	Salem, NH homes for sale	Alton Property Records
Condos for sale near me	Manchester, NH homes for sale	NH New Listings

Concord homes for sale
Laconia homes for sale
Meredith homes for sale