Google street view image for 18 Mill Pond Rd, New Castle, NH 03854

Off market aug 2009 for $1.5M

$4,062,804

Est. refi paymentEst. refi $10,033/mo

•

4 ba

•

5,331

sq ft

18 Mill Pond Rd, New Castle, NH 03854

About this home

18 Mill Pond Rd is a 5,331 square foot house on a 0.29 acre lot with 3 bedrooms and 4 bathrooms. - it last sold on August 31, 2009 for $1,550,000. Based on Redfin's New Castle data, we estimate the home's value is $4,062,804.

Single-familyProperty Type

1997Year Built

0.29 acresLot Size

$762Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$4,062,804

$2.5M since sold in August 2009$105K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 60.7% higher than the average sale price ($2.53M) of 6 comparable homes.

SOLD AUG 21, 2026
$2,425,000
A
3 beds3.5 baths3,189 sq ft
56 Old Bay Rd, New Castle, NH 03854
SOLD AUG 28, 2026
$1,612,500
B
4 beds3.5 baths4,195 sq ft
7 Shaw Rd, Portsmouth, NH 03801
SOLD SEP 4, 2026
$3,500,000
C
4 beds3.5 baths4,000 sq ft
97 Abigale Ln, New Castle, NH 03854
SOLD JUL 20, 2026
$3,335,000
D
4 beds4.5 baths3,734 sq ft
65 Little Harbor Rd, New Castle, NH 03854
SOLD AUG 14, 2026
$1,200,000
E
3 beds3 baths2,009 sq ft
29 Frontier St, Rye, NH 03870
SOLD MAR 17, 2026
$3,100,000
F
4 beds4 baths3,057 sq ft
17 Lavenger Ln, New Castle, NH 03854

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Sell

$3,120,514

Est. take-home

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Est. cash available

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Rent

$4,264/mo

Redfin rental estimate

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Market trends in 03854, NH

Last updated October 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

New listings for sale

COMING SOON
$3,995,000
5 beds5.5 baths6,238 sq ft
50 Abigale Ln, New Castle, NH 03854
See all

Provided by Redfin

Sale history for 18 Mill Pond Rd

Tax history for 18 Mill Pond 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: 4

Heating & Cooling
Heating Type: Forced Air

Exterior

Exterior Information
Physical Condition: Excellent
Building Style Type: Contemporary
Exterior Wall: Wood Siding/Shingle
Roof Shape Type: Sawtooth

View Information
View: Water

Property Information
Living Sq. Ft: 5,331
Gross Sq. Ft: 8,590
# of Stories: 2

Lot Information
# of Buildings: 1
Land Sq. Ft: 12,632
Legal Lot Number: C18
Municipality Name: NEW CASTLE TOWNN
Acres: 0.29
Zoning Code: PD PL
State Use Description: 1-FAMILY RESIDENCE

Financial

Assessor Information
Assessment Year: 2025

Public facts

Beds: 3
Baths: 4.0
Sq. Ft.: 5,331
Stories: 2.0
Lot Size: 0.29 acres
Style: Single Family Residential
Year Built: 1997
Year Renovated: —
County: Rockingham County
APN: 4298807S

Home facts updated by county records on Sep 16, 2026

Around this home

Schools

K - 12
Preschool & daycare

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

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

$3.86M – $4.67M

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Nearby similar homes

$900,000

1 bed2 baths1,072 sq ft

82 Brewster St, Portsmouth, NH 03801

Bungalow style home • Landscaped yard • Storage shed

$500,000

4 beds1.5 baths1,400 sq ft

1 Halstead St, Kittery, ME 03904

Corner lot • Farmers market • 4,356 sq ft lot

$539,000

4 beds1 bath1,656 sq ft

39 Williams Ave, Kittery, ME 03904

Generous backyard • Outdoor entertaining • Exceptional location

$35,000,000

6 beds8 baths13,451 sq ft

518 New Castle Ave, Portsmouth, NH 03801

Waterfront acres • Newly added balcony • Manicured grounds

$1,495,000

4 beds2.5 baths2,400 sq ft

120 Sagamore Rd, Rye, NH 03870

Private yard • 4 season sun room • Large eat-in kitchen

New listings for sale in 03854

COMING SOON

$3,995,000

5 beds5.5 baths6,238 sq ft

50 Abigale Ln, New Castle, NH 03854

Dramatic living room • Chef kitchen • Private retreat

Home values near 18 Mill Pond Rd

Data from public records.

Address	Redfin Estimate
32 Mill Pond Rd, New Castle, NH 4 Beds \| 5 Baths \| 4087 Sq. Ft.	$3,537,619
2 Mill Pond Rd, New Castle, NH 3 Beds \| 2.5 Baths \| 2702 Sq. Ft.	$2,587,064
12 Mill Pond Rd, New Castle, NH 4 Beds \| 4.5 Baths \| 4671 Sq. Ft.	$3,030,457
50 Mill Pond Rd, New Castle, NH 4 Beds \| 4.5 Baths \| 4813 Sq. Ft.	$3,648,026
57 Ducks Head Rd, New Castle, NH 3 Beds \| 3.5 Baths \| 2646 Sq. Ft.	$2,061,843
84 Ducks Head Rd, New Castle, NH 4 Beds \| 4.5 Baths \| 3457 Sq. Ft.	$3,717,925
27 Old Bay Rd, New Castle, NH 3 Beds \| 3 Baths \| 2679 Sq. Ft.	$1,992,616

Address	Redfin Estimate
12 Mill Pond Rd, New Castle, NH 3 Beds \| 3.5 Baths \| 3425 Sq. Ft.	$3,417,396
50 Mill Pond Rd, New Castle, NH 4 Beds \| 4.5 Baths \| 3663 Sq. Ft.	$3,579,806
2 Mill Pond Rd, New Castle, NH 3 Beds \| 2.5 Baths \| 3787 Sq. Ft.	$2,555,482
15 Old Bay Rd, New Castle, NH 3 Beds \| 2.5 Baths \| 2971 Sq. Ft.	$2,546,085
39 Old Bay Rd, New Castle, NH 3 Beds \| 3.5 Baths \| 3267 Sq. Ft.	$2,153,122
46 North Gate Rd, New Castle, NH 3 Beds \| 3.5 Baths \| 2728 Sq. Ft.	$2,069,284
33 Old Bay Rd, New Castle, NH 3 Beds \| 2.5 Baths \| - Sq. Ft.	$2,232,709

Address	Redfin Estimate
24 Mill Pond Rd, New Castle, NH 4 Beds \| 3.5 Baths \| 3738 Sq. Ft.	$3,315,548
24 Mill Pond Rd, New Castle, NH 3 Beds \| 3.5 Baths \| 4261 Sq. Ft.	$2,705,522
32 Mill Pond Rd, New Castle, NH 3 Beds \| 3 Baths \| 5274 Sq. Ft.	$3,322,696
21 Old Bay Rd, New Castle, NH 3 Beds \| 3.5 Baths \| 2495 Sq. Ft.	$2,464,955
86 Ducks Head Rd Apartment 83, New Castle, NH 4 Beds \| 4.5 Baths \| 3546 Sq. Ft.	$3,736,124
7 Old Bay Rd, New Castle, NH 3 Beds \| 2.5 Baths \| 2300 Sq. Ft.	$2,148,475
57 Ducks Head Rd Apartment A-13, New Castle, NH 3 Beds \| 2.5 Baths \| 2523 Sq. Ft.	$2,266,661

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