Google street view image for 40 Mill Pond Rd, New Castle, NH 03854

Off market

$3,139,577

•

4.5 ba

•

4,594

sq ft

40 Mill Pond Rd, New Castle, NH 03854

About this home

40 Mill Pond Rd is a 4,594 square foot house on a 0.29 acre lot with 4 bedrooms and 4.5 bathrooms. Based on Redfin's New Castle data, we estimate the home's value is $3,139,577.

Single-familyProperty Type

1998Year Built

0.29 acresLot Size

$683Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$3,139,577

$16K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 16.3% 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

$2,957,281

Est. take-home

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Rent

$4,249/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 40 Mill Pond Rd

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

Tax history for 40 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
# of 1/2 Baths: 1

Heating & Cooling
Heating Type: Forced Air

Exterior

Exterior Information
Physical Condition: Very Good
Building Style Type: Contemporary
Exterior Wall: Wood Siding/Shingle
Roof Shape Type: Gable

View Information
View: Water

Property Information
Living Sq. Ft: 4,594
Gross Sq. Ft: 7,408
# of Stories: 2

Lot Information
# of Buildings: 1
Land Sq. Ft: 12,632
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: 4
Baths: 4.5
Sq. Ft.: 4,594
Stories: 2.0
Lot Size: 0.29 acres
Style: Single Family Residential
Year Built: 1998
Year Renovated: —
County: Rockingham County
APN: 5021692S

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 • 2.0mi

8/10

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

4/10 Heat Factor

7 days above 91° expected this year, 16 days in 30 years

6/10 Wind Factor

72% chance of strong winds in next 30 years

2/10 Air Factor

1 unhealthy days expected this year, 2 days in 30 years

Provided by First Street

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

$2.98M – $3.61M

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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 40 Mill Pond Rd

Data from public records.

Address	Redfin Estimate
60 Mill Pond Road, New Castle, NH 5 Beds \| 4.5 Baths \| 4300 Sq. Ft.	$3,942,511
60 Mill Pond Road, New Castle, NH 3 Beds \| 4.5 Baths \| 5835 Sq. Ft.	$3,980,698
48 Old Bay Road, New Castle, NH 3 Beds \| 3.5 Baths \| 3147 Sq. Ft.	$2,207,970
42 Old Bay Road, New Castle, NH 3 Beds \| 2.5 Baths \| - Sq. Ft.	$1,911,382
56 Old Bay Road, New Castle, NH 3 Beds \| 3.5 Baths \| 3189 Sq. Ft.	$2,388,556
60 Old Bay Road, New Castle, NH 3 Beds \| 3 Baths \| 2857 Sq. Ft.	$2,329,354
33 Old Bay Road, New Castle, NH 3 Beds \| 2.5 Baths \| 3071 Sq. Ft.	$1,793,425

Address	Redfin Estimate
4 Mill Pond Road, New Castle, NH 4 Beds \| 3.5 Baths \| 4142 Sq. Ft.	$3,010,810
20 Old Bay Road, New Castle, NH 3 Beds \| 2.5 Baths \| 2300 Sq. Ft.	$1,899,407
39 Old Bay Road, New Castle, NH 3 Beds \| 3.5 Baths \| 3267 Sq. Ft.	$2,153,122
45 Old Bay Road, New Castle, NH 3 Beds \| 2.5 Baths \| - Sq. Ft.	$2,182,469
57 Old Bay Road, New Castle, NH 5 Beds \| 3.5 Baths \| 3039 Sq. Ft.	$2,312,569
33 Old Bay Road, New Castle, NH 3 Beds \| 2.5 Baths \| - Sq. Ft.	$2,232,709
48 Old Bay Road, New Castle, NH 3 Beds \| 3.5 Baths \| 2894 Sq. Ft.	$2,121,780

Address	Redfin Estimate
4 Mill Pond Road, New Castle, NH 3 Beds \| 3.5 Baths \| 4699 Sq. Ft.	$3,262,025
51 Old Bay Road, New Castle, NH 4 Beds \| 3.5 Baths \| 3199 Sq. Ft.	$2,350,199
26 Old Bay Road, New Castle, NH 3 Beds \| 2.5 Baths \| - Sq. Ft.	$2,018,197
27 Old Bay Road, New Castle, NH 3 Beds \| 3 Baths \| 2679 Sq. Ft.	$1,992,616
34 Old Bay Road, New Castle, NH 3 Beds \| 2.5 Baths \| 2968 Sq. Ft.	$2,118,284
20 Old Bay Road, New Castle, NH 3 Beds \| 2.5 Baths \| 2944 Sq. Ft.	$2,030,157
57 Old Bay Road, New Castle, NH 5 Beds \| 4 Baths \| 3392 Sq. Ft.	$2,417,898

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