Google satellite image for 503 Dudley Rd, Alton, NH 03809

Off market may 2020 for $350K

$582,270

Est. refi paymentEst. refi $2,280/mo

•

2 ba

•

2,109

sq ft

503 Dudley Rd, Alton, NH 03809

About this home

503 Dudley Rd is a 2,109 square foot house on a 41 acre lot with 3 bedrooms and 2 bathrooms. - it last sold on May 29, 2020 for $350,000. Based on Redfin's Alton data, we estimate the home's value is $582,270.

Single-familyProperty Type

1984Year Built

41 acresLot Size

$276Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$582,270

$232K since sold in May 2020$12K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 6.3% higher than the average sale price ($548K) of 6 comparable homes.

SOLD SEP 10, 2026
$522,000
A
3 beds2 baths1,960 sq ft
191 North Rd, Center Barnstead, NH 03225
SOLD SEP 21, 2026
$500,000
B
3 beds2 baths1,740 sq ft
215 White Oak Rd, Center Barnstead, NH 03225
SOLD AUG 25, 2026
$780,000
C
3 beds2 baths2,160 sq ft
27 Georgetown Rd #37, Center Barnstead, NH 03225
SOLD AUG 20, 2026
$489,000
D
3 beds3 baths1,960 sq ft
495 Halls Hill Rd, Alton, NH 03809
SOLD SEP 21, 2026
$595,000
E
3 beds2.5 baths2,218 sq ft
19 Linwood Dr, Alton, NH 03809
SOLD AUG 7, 2026
$400,000
F
3 beds2 baths1,600 sq ft
436 Avery Hill Rd, Alton Bay, NH 03810

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Earn from this home

Sell

$302,763

Est. take-home

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Refinance

Est. cash available

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Rent

$3,231/mo

Redfin rental estimate

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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 503 Dudley Rd

Tax history for 503 Dudley 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

Basement Information
Basement Sq. Ft: 444

Bathroom Information
# of Full Baths: 2

Heating & Cooling
Heating Type: Forced Hot Water

Room Information
# of Rooms: 8

Exterior

Exterior Information
Physical Condition: Good
Building Style Type: Conventional
Exterior Wall: Wood Siding/Shingle
Roof Covering Type: Metal
Roof Shape Type: Gable

Property Information
Subdivision Name: WILLIAM HUNT LT
Living Sq. Ft: 2,109
Gross Sq. Ft: 3,504
Ground Floor Sq. Ft: 1,292
# of Units: 1
# of Stories: 2

Lot Information
# of Buildings: 1
Land Sq. Ft: 1,785,960
Legal Block Number: 19
Municipality Name: ALTON
Acres: 41
Zoning Code: RU-RUR
State Use Description: 1-FAMILY RESIDENCE

Financial

Assessor Information
Assessment Year: 2024

Public facts

Beds: 3
Baths: 2.0
Sq. Ft.: 2,109
Stories: 2.0
Lot Size: 41 acres
Style: Single Family Residential
Year Built: 1984
Year Renovated: —
County: Belknap County
APN: 4694445S

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 • 3.2mi

5/10

Prospect Mountain High School

Public 9-12 • Assigned • 2.8mi

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

2/10 Heat Factor

6 days above 92° expected this year, 13 days in 30 years

4/10 Wind Factor

11% 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

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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

$554,000 – $670,000

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Minutes to alton bay • Town beach • Two boat ramps

Home values near 503 Dudley Rd

Data from public records.

Address	Redfin Estimate
457 Dudley Rd, Alton, NH 3 Beds \| 2.5 Baths \| 2872 Sq. Ft.	$757,671
445 Dudley Rd, Alton, NH 2 Beds \| 1 Baths \| 1830 Sq. Ft.	$406,750
464 Dudley Rd, Alton, NH 3 Beds \| 1 Baths \| 1784 Sq. Ft.	$417,577
464 Dudley Rd, Alton, NH 3 Beds \| 1 Baths \| 1784 Sq. Ft.	$401,811
454 Dudley Rd, Alton, NH 3 Beds \| 1.5 Baths \| 1218 Sq. Ft.	$428,538
501 Dudley Rd, Alton, NH 2 Beds \| 2 Baths \| 3969 Sq. Ft.	$893,018
80 Sport Emery Rd, Alton, NH 4 Beds \| 2.5 Baths \| 2128 Sq. Ft.	$608,071

Address	Redfin Estimate
469 Dudley Rd, Alton, NH 3 Beds \| 2 Baths \| 1972 Sq. Ft.	$464,473
454 Dudley Rd, Alton, NH 2 Beds \| 2 Baths \| 1400 Sq. Ft.	$467,317
501 Dudley Rd, Alton, NH 2 Beds \| 2 Baths \| 3969 Sq. Ft.	$907,429
445 Dudley Rd, Alton, NH 2 Beds \| 1 Baths \| 1830 Sq. Ft.	$403,988
451 Dudley Rd, Alton, NH 3 Beds \| 2 Baths \| 2013 Sq. Ft.	$536,690
5 Grandview Ln, Alton, NH 3 Beds \| - Baths \| 2428 Sq. Ft.	$593,257
8 Grandview Ln, Alton, NH 3 Beds \| 1 Baths \| 1358 Sq. Ft.	$501,684

Address	Redfin Estimate
433 Dudley Rd, Alton, NH 3 Beds \| 2 Baths \| 1502 Sq. Ft.	$433,091
451 Dudley Rd, Alton, NH 3 Beds \| 2 Baths \| 1753 Sq. Ft.	$546,474
457 Dudley Rd, Alton, NH 3 Beds \| 2.5 Baths \| 2799 Sq. Ft.	$622,482
433 Dudley Rd, Alton, NH 3 Beds \| 2 Baths \| 1502 Sq. Ft.	$417,586
469 Dudley Rd, Alton, NH 3 Beds \| 2 Baths \| 1972 Sq. Ft.	$458,477
23 Grandview Ln, Alton, NH 3 Beds \| 2 Baths \| 1930 Sq. Ft.	$549,115
6 Grandview Ln, Alton, NH 3 Beds \| 2 Baths \| 1758 Sq. Ft.	$574,120

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