Listed by May Youngclaus • Kathy Walsh Real Estate, Inc. Bought with Kathy Walsh Real Estate Inc./Portsmouth.

Off market jan 2004 for $790K

$3,205,096

•

—

sq ft

18 RITSON St, New Castle, NH 03854

About this home

Single-familyProperty Type

1963Year Built

8,712 sq ftLot Size

1 car garageParking

Listed by May Youngclaus • Kathy Walsh Real Estate, Inc

Bought with • Kathy Walsh Real Estate Inc./Portsmouth

Redfin checked: 2 minutes ago

•Source:PrimeMLS #898067

Redfin Estimate

$3,205,096

$2.4M since sold in January 2004$106K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 284.1% higher than the average sale price ($835K) of 6 comparable homes.

SOLD SEP 3, 2026
$961,000
A
4 beds2 baths2,374 sq ft
17 Traip Ave, Kittery, ME 03904
SOLD MAY 1, 2026
$899,000
B
4 beds2 baths2,397 sq ft
20 Mendum Ave, Kittery, ME 03904
SOLD AUG 21, 2026
$875,000
C
4 beds2 baths2,260 sq ft
21 Triton Dr, Rye, NH 03870
SOLD MAR 11, 2026
$632,000
D
3 beds2 baths1,547 sq ft
13 Cross St, Kittery, ME 03904
SOLD SEP 18, 2026
$540,000
E
4 beds1.5 baths2,525 sq ft
22 Rogers Rd, Kittery, ME 03904
SOLD JAN 28, 2026
$1,100,000
F
3 beds2 baths2,024 sq ft
49 Sagamore Ave, Portsmouth, NH 03801

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

Earn from this home

Sell

$2,792,039

Est. take-home

List your home with Redfin and save $32,051

Rent

$4,697/mo

Redfin rental estimate

List your home for rent

Market trends in 03854, NH

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

99.6%

+4.5% MoM

Median sale price

$3.2M

$481K MoM

Avg. days on market

71d

21 days MoM

Recently sold homes

3 MoM

New listings for sale

$2,400,000
3 beds2.5 baths2,965 sq ft
50 N Gate Rd, New Castle, NH 03854
See all

Provided by Redfin

Sale history for 18 RITSON St

Year

Property tax

Land + Additions

Assessment*

2024

$16,864 (+8.2%)

$2,215,700 + $913,100

$3,128,800

2023

$15,581 (+10.7%)

$2,215,700 + $913,100

$3,128,800

2022

$14,080 (−5.5%)

$2,215,700 + $913,100

$3,128,800

2021

$14,894 (+34.4%)

$2,215,700 + $900,300

$3,116,000

2020

$11,085 (+1.8%)

$1,197,300 + $562,300

$1,759,600

2019

$10,892 (+3.2%)

$1,197,300 + $562,300

$1,759,600

2018

$10,558 (+4.3%)

$1,197,300 + $562,300

$1,759,600

2016

$10,121 (−4.7%)

$1,170,300 + $559,700

$1,730,000

2015

$10,618 (−3.0%)

$1,069,800 + $589,200

$1,659,000

2014

$10,949

$1,069,800 + $589,200

$1,659,000

Tax history for 18 RITSON St

Year

Property tax

Land + Additions

Assessment*

2024

$16,864 (+8.2%)

$2,215,700 + $913,100

$3,128,800

2023

$15,581 (+10.7%)

$2,215,700 + $913,100

$3,128,800

2022

$14,080 (−5.5%)

$2,215,700 + $913,100

$3,128,800

2021

$14,894 (+34.4%)

$2,215,700 + $900,300

$3,116,000

2020

$11,085 (+1.8%)

$1,197,300 + $562,300

$1,759,600

2019

$10,892 (+3.2%)

$1,197,300 + $562,300

$1,759,600

2018

$10,558 (+4.3%)

$1,197,300 + $562,300

$1,759,600

2016

$10,121 (−4.7%)

$1,170,300 + $559,700

$1,730,000

2015

$10,618 (−3.0%)

$1,069,800 + $589,200

$1,659,000

2014

$10,949

$1,069,800 + $589,200

$1,659,000

*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

0.31 Acres

Year renovated

—

Sq. Ft.

4,984

Year built

2004

Style

Single Family Residential

County

Rockingham County

APN

282619

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on May 14, 2026.

Property details

Parking

Parking & Garage
Garage Capacity: 1
Location: Attached

Interior

Bathroom Information
# of Baths (full): 2

Basement Information
Finished, Full

Other Interior Features
# of Rooms: 8
Water Heater: Off Boiler
Ceiling Fan, Fireplace - Wood, Window Treatment

Equipment & Appliance Information
Dishwasher, Disposal, Dryer, Microwave, Range - Electric, Refrigerator, Washer
Smoke Detector

Room 1 Information
Kitchen
Kitchen
Dimensions: 14X16
Level: 2

Room 2 Information
Dining Room

Room 3 Information
Living Room
Dimensions: 13X20
Level: 2

Room 4 Information
Family Room
Level: Basement

Room 7 Information
Master Bedroom
Dimensions: 13X17
Level: 3

Room 8 Information
Bedroom
Dimensions: 10X11
Level: 3

Room 9 Information
Bedroom
Dimensions: 11X13
Level: 3

Room 10 Information
Bedroom
Dimensions: 10X11
Level: 1

Room 12 Information
Den
Dimensions: 12X20
Level: 1

Room 13 Information
Other
Dimensions: 13X25

Room 16 Information
Full Bath
Level: 1

Room 17 Information
Full Bath
Level: 3

Exterior

Building Information
Color: GRAY
Deck
Construction: Wood Frame
Foundation: Concrete
Roof: Shingle - Other
Exterior: Shingle

Driveway
Paved

Lot, Zoning, & Easement Information
Lot: 12
Corner, Landscaped, Level, Waterfront

Survey Information
Surveyed: Unknown

Other Property & Lot Information
Year Built: 1963
Waterfront: Yes

Financial

Tax Information
Tax Year: 2002
Gross Amount Tax: 7177

Other Tax Information
Page Deed: 1914

Utilities

Heating & Cooling Information
Heat: Hot Water
Heat Fuel: Oil

Sewer Information
Private

Electric Information
100 Amp, Circuit Breaker(s)

Water Information
Public
Water Frontage Length: 83

Other Utilities Information
Cable, Multi Phone Lines

Location

School Information
Middle/Jr School: Rye Junior High School

Road Information
Road Frontage Length: 135
Public

Other Location Information
Directions: SOUTH STREET TO NEWCASTLE AVENUE TO 1B, THIRD RIGHT ONTO RITSON STREET, #18 ON THE RIGHT

Public facts

Beds: 5
Baths: 4.0
Sq. Ft.: 4,984
Stories: 2.0
Lot Size: 0.31 acres
Style: Single Family Residential
Year Built: 2004
Year Renovated: —
County: Rockingham County
APN: 282619

Home facts updated by county records on May 14, 2026

Other

Water Body Information
Name: LITTLE HARBOR
Flood Zone: Unknown

Around this home

Schools

Maude H. Trefethen School

Public K-6 • Assigned • 0.1mi

Portsmouth Middle School

Public 6-8 • Assigned • 1.8mi

8/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Historical weather

New Castle, NH • 03854

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 8.9 hours in June and 4.4 hours in December, placing it below the U.S. average for solar exposure.

8.9 hrs

4.4 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$3.05M – $3.69M

Reach more buyers when you sell with Redfin. Save up to $32,051 in fees. 3 minutes to get started.

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

Nearby similar homes

$850,000

2 beds1 bath864 sq ft

190 State Rd, Kittery, ME 03904

$1,350,000

Land— sq ft

22 Trafton Ln, Kittery, ME 03904

$1,475,000

5 beds3 baths2,638 sq ft

140 Pioneer Rd, Rye, NH 03870

$799,000

2 beds1 bath912 sq ft

22 Pioneer Rd, Rye, NH 03870

$5,900,000

3 beds3.5 baths3,116 sq ft

20 Atkinson St, Portsmouth, NH 03801

3D WALKTHROUGH

$3,395,000

4 beds4.5 baths5,728 sq ft

31 Pleasant Point Dr, Portsmouth, NH 03801

New listings for sale in 03854

$2,400,000

3 beds2.5 baths2,965 sq ft

50 N Gate Rd, New Castle, NH 03854

Home values near 18 RITSON St

Data from public records.

Address	Redfin Estimate
19 Ritson Street, New Castle, NH 2 Beds \| 2.5 Baths \| 2116 Sq. Ft.	$1,549,545
5 Portsmouth Avenue, New Castle, NH 3 Beds \| 2.5 Baths \| 2028 Sq. Ft.	$1,493,456

Address	Redfin Estimate
41 Locke Road, New Castle, NH 3 Beds \| 2.5 Baths \| 2900 Sq. Ft.	$3,942,862
54 Portsmouth Avenue, New Castle, NH 3 Beds \| 2.5 Baths \| 2472 Sq. Ft.	$1,586,819

Address	Redfin Estimate
93 Portsmouth Avenue, New Castle, NH 3 Beds \| 2 Baths \| 3065 Sq. Ft.	$1,503,553
35 Grist Mill Lane, New Castle, NH 2 Beds \| 2 Baths \| 2028 Sq. Ft.	$2,909,026

Property information provided by PrimeMLS when last listed in 2003. This data may not match . Learn more.

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.

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.

Houses for rent in Rockingham County	Agents near me	Londonderry, NH homes for sale	Rockingham County 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	Rockingham County Property Records
Condos for sale near me	Manchester, NH homes for sale	NH New Listings

Salem homes for sale
Portsmouth homes for sale
Newburyport homes for sale

Worcester County homes for sale
Essex County homes for sale
Middlesex County homes for sale

About this home

Redfin Estimate

Earn from this home

Market trends in 03854, NH

Sale history for 18 RITSON St

Tax history for 18 RITSON St

Public record

Property details

Around this home

Schools

Lifestyle

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 03854

Home values near 18 RITSON St

More real estate resources