Listed by Barbara Dunkle • Bean Group / Portsmouth (Cell: 603-498-7927). Bought with Buyer's Brokers of the Seacoast.

Off market nov 2013 for $1.8M

$4,183,399

•

4,210

sq ft

18 Mill Pond, New Castle, NH 03854

About this home

Living at the Wentworth By The Sea community in New Castle is about choosing a relaxed, yet luxurious lifestyle. Residents enjoy swimming, tennis and private beach access. They can walk to the Wentworth marina, stroll along the oceanfront or enjoy the delightful amenities at the Wentworth By the Sea Hotel and Spa. Completely updated, the refreshing light-filled home offers 4 bedrooms, including a sumptuous master suite, 4 full baths and 2 half baths. Beautiful hardwood floors lend a warm ambiance, and the enclosed porch and fireplaced great room add warm year-round comfort. There is an impressive new laundry room with built ins, desk space and abundant storage. Enjoy endless water views from the deck or the private bluestone patio bounded by lush landscaping. The extraordinary year-round residence also features a heated garage and generator. Minutes to downtown Portsmouth, fine dining and shopping, and major highways.

Single-familyProperty Type

1998Year Built

0.29 acresLot Size

$994Est. Price/Sq.Ft.

2 car garageParking

Listed by Barbara Dunkle • Bean Group / Portsmouth

Contact: Cell: 603-498-7927

Bought with Carolyn McGee • Buyer's Brokers of the Seacoast

Redfin checked: 2 minutes ago

•Source:PrimeMLS #4229547

Redfin Estimate

$4,183,399

$2.4M since sold in November 2013$68K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 55% higher than the average sale price ($2.70M) of 6 comparable homes.

SOLD AUG 28, 2026
$1,612,500
A
4 beds3.5 baths4,195 sq ft
7 Shaw Rd, Portsmouth, NH 03801
SOLD SEP 4, 2026
$3,500,000
B
4 beds3.5 baths4,000 sq ft
97 Abigale Ln, New Castle, NH 03854
SOLD JUL 20, 2026
$3,335,000
C
4 beds4.5 baths3,734 sq ft
65 Little Harbor Rd, New Castle, NH 03854
SOLD AUG 21, 2026
$2,425,000
D
3 beds3.5 baths3,189 sq ft
56 Old Bay Rd, New Castle, NH 03854
SOLD MAR 17, 2026
$3,100,000
E
4 beds4 baths3,057 sq ft
17 Lavenger Ln, New Castle, NH 03854
SOLD DEC 18, 2025
$2,225,000
F
5 beds3.5 baths3,039 sq ft
57 Old Bay Rd, New Castle, NH 03854

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Earn from this home

Sell

$2,927,187

Est. take-home

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Rent

$4,491/mo

Redfin rental estimate

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Market trends in 03854, NH

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

98.2%

1.4% MoM

Median sale price

$3.3M

$67K MoM

Avg. days on market

74d

3 days MoM

Recently sold homes

1 MoM

Provided by Redfin

Sale history for 18 Mill Pond

Date

Event

Price

PrimeMLS #4229547

Nov 22, 2013

Sold

$1,800,000

$428/sq ft

Apr 15, 2013

Listed

$1,850,000

$439/sq ft

PrimeMLS #2751465

Aug 31, 2009

Sold

$1,550,000

$368/sq ft

Nov 10, 2008

Listed

$1,850,000

$439/sq ft

PrimeMLS #211356

Jul 13, 2007

Sold

$1,800,000

$428/sq ft

May 24, 2007

Delisted

—

Jun 21, 2005

Listed

$1,995,000

$474/sq ft

PrimeMLS #499800

May 22, 1998

Sold

$772,519

$183/sq ft

Aug 23, 1997

Listed

$710,000

$169/sq ft

Aug 18, 1997

Delisted

—

Year

Property tax

Land + Additions

Assessment*

2024

$12,603 (+8.2%)

$1,427,800 + $910,400

$2,338,200

2023

$11,644 (+10.7%)

$1,427,800 + $910,400

$2,338,200

2022

$10,522 (−5.9%)

$1,427,800 + $910,400

$2,338,200

2021

$11,177 (−4.4%)

$1,427,800 + $910,400

$2,338,200

2020

$11,686 (+1.8%)

$1,259,100 + $595,800

$1,854,900

2019

$11,482 (+3.2%)

$1,259,100 + $595,800

$1,854,900

2018

$11,129 (+2.2%)

$1,259,100 + $595,800

$1,854,900

2016

$10,890 (+1.3%)

$1,259,100 + $602,500

$1,861,600

2015

$10,751 (−1.5%)

$1,079,600 + $600,300

$1,679,900

2014

$10,916

$1,079,600 + $574,400

$1,654,000

Tax history for 18 Mill Pond

Year

Property tax

Land + Additions

Assessment*

2024

$12,603 (+8.2%)

$1,427,800 + $910,400

$2,338,200

2023

$11,644 (+10.7%)

$1,427,800 + $910,400

$2,338,200

2022

$10,522 (−5.9%)

$1,427,800 + $910,400

$2,338,200

2021

$11,177 (−4.4%)

$1,427,800 + $910,400

$2,338,200

2020

$11,686 (+1.8%)

$1,259,100 + $595,800

$1,854,900

2019

$11,482 (+3.2%)

$1,259,100 + $595,800

$1,854,900

2018

$11,129 (+2.2%)

$1,259,100 + $595,800

$1,854,900

2016

$10,890 (+1.3%)

$1,259,100 + $602,500

$1,861,600

2015

$10,751 (−1.5%)

$1,079,600 + $600,300

$1,679,900

2014

$10,916

$1,079,600 + $574,400

$1,654,000

*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

0.29 Acres

Year renovated

—

Sq. Ft.

5,329

Year built

1997

Style

Single Family Residential

County

Rockingham County

APN

136043

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on May 14, 2026.

Property details

Parking

Parking & Garage
Garage Capacity: 2
Location: Attached
Auto Open, Direct Entry, Heated
Parking Spaces 2

Interior

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

Basement Information
Basement: Yes
Basement Access: Walkout
Concrete, Daylight, Full, Partially Finished

Other Interior Features
# of Rooms: 10
Flooring: Hardwood, Tile
Water Heater: Gas - Liquid Propane Bottle
Fireplace - Gas

Equipment & Appliance Information
Dishwasher, Disposal, Dryer, Oven - Wall, Range - Gas, Refrigerator, Washer
Security System

Room 1 Information
Kitchen
Kitchen
Dimensions: 20 x 13
Level: 1

Room 2 Information
Dining Room
Dimensions: 16 x 12
Level: 1

Room 3 Information
Living Room
Dimensions: 16 x 14
Level: 1

Room 4 Information
Family Room
Dimensions: 19 x 18
Level: 1

Room 5 Information
Foyer

Room 7 Information
Master Bedroom
Dimensions: 20 x 16
Level: 1

Room 8 Information
Bedroom
Dimensions: 15 x 14
Level: 2

Room 9 Information
Bedroom
Dimensions: 14 x 12
Level: 2

Room 10 Information
Bedroom
Dimensions: 17 x 15
Level: 2

Room 12 Information
Den
Level: Basement

Room 13 Information
Other
Level: Basement

Room 14 Information
Other
Level: 2

Exterior

Building Information
Construction Status: Existing
Approximate Sq. Ft. Total Finished: 4210
Color: Gray
Deck, Patio, Porch - Enclosed
Construction: Wood Frame
Foundation: Concrete
Roof: Shingle - Asphalt
Exterior: Shingle

Driveway
Paved

Lot, Zoning, & Easement Information
Lot: 051
Landscaped, Water View

Survey Information
Surveyed: Yes

Other Property & Lot Information
Year Built: 1998
Water View: Yes
Water View: Y

Financial

Tax Information
Tax Year: 2012
Gross Amount Tax: 10569

Other Tax Information
Page Deed: 171

Utilities

Heating & Cooling Information
Cooling: Central AC, Multi Zone
Heat: Hot Air, Multi Zone
Heat Fuel: Gas - Liquid Propane Bottle

Sewer Information
Public

Electric Information
Circuit Breaker(s), Generator

Water Information
Public

Other Utilities Information
Underground Utilities

Location

Homeowners Association
Fee: 279
Monthly

School Information
Elementary School: Maude H. Trefethen School
Elementary School: Maude H. Trefethen School
Middle/Jr School: Rye Junior High School

Road Information
Road Frontage: TBD
Association, Private

Other Location Information
Directions: Wentworth Road Rye into New Castle; pass Wentworth By The Sea hotel, take first left onto Bay Gate. Go to end of Bay Gate and turn right onto Mill Pond. House is on the left.
Development / Subdivision: Wentworth By The Sea

Public facts

Beds: 3
Baths: 4.0
Sq. Ft.: 5,329
Stories: 2.0
Lot Size: 0.29 acres
Style: Single Family Residential
Year Built: 1997
Year Renovated: —
County: Rockingham County
APN: 136043

Home facts updated by county records on May 14, 2026

Other

Water Body Information
Flood Zone: Unknown

Around this home

Schools

Maude H. Trefethen School

Public K-6 • Assigned • 0.5mi

Portsmouth Middle School

Public 6-8 • Assigned • 1.9mi

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

$3.98M – $4.81M

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Home values near 18 Mill Pond

Data from public records.

Address	Redfin Estimate
32 Mill Pond Rd, New Castle, NH 4 Beds \| 5 Baths \| 4087 Sq. Ft.	$3,505,494
2 Mill Pond Rd, New Castle, NH 3 Beds \| 2.5 Baths \| 2702 Sq. Ft.	$2,775,353

Address	Redfin Estimate
12 Mill Pond Rd, New Castle, NH 3 Beds \| 3.5 Baths \| 3425 Sq. Ft.	$3,408,844
50 Mill Pond Rd, New Castle, NH 4 Beds \| 4.5 Baths \| 3663 Sq. Ft.	$3,491,352

Address	Redfin Estimate
24 Mill Pond Rd, New Castle, NH 4 Beds \| 3.5 Baths \| 3738 Sq. Ft.	$3,442,808
4 Mill Pond Rd, New Castle, NH 4 Beds \| 3.5 Baths \| 4142 Sq. Ft.	$3,121,648

Property information provided by PrimeMLS when last listed in 2013. This data may not match . Learn more.

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About this home

Redfin Estimate

Earn from this home

Market trends in 03854, NH

Sale history for 18 Mill Pond

Tax history for 18 Mill Pond

Public record

Property details

Around this home

Schools

Lifestyle

Historical weather

Sun exposure

Nearby similar homes

Home values near 18 Mill Pond

More real estate resources