Google street view image for 50 Mill Pond Rd, New Castle, NH 03854

Off market jan 2015 for $2M

$3,648,026

Est. refi paymentEst. refi $12,946/mo

•

4.5 ba

•

4,813

sq ft

50 Mill Pond Rd, New Castle, NH 03854

About this home

50 Mill Pond Rd is a 4,813 square foot house on a 0.33 acre lot with 4 bedrooms and 4.5 bathrooms. - it last sold on January 23, 2015 for $2,000,000. Based on Redfin's New Castle data, we estimate the home's value is $3,648,026.

Single-familyProperty Type

1999Year Built

0.33 acresLot Size

$758Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$3,648,026

$1.6M since sold in January 2015$35K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 43.3% higher than the average sale price ($2.55M) 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 OCT 14, 2026
$1,300,000
F
4 beds3 baths2,519 sq ft
29 Versailles Ave, Portsmouth, NH 03801

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Earn from this home

Sell

$2,256,545

Est. take-home

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Est. cash available

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Rent

$4,320/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 50 Mill Pond Rd

Tax history for 50 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: Good
Building Style Type: Conventional
Exterior Wall: Wood Siding/Shingle
Roof Shape Type: Sawtooth

View Information
View: Water

Property Information
Subdivision Name: NEW CASTLE
Living Sq. Ft: 4,813
Gross Sq. Ft: 8,354
# of Stories: 2

Lot Information
# of Buildings: 1
Land Sq. Ft: 14,375
Legal Lot Number: C50-A
Municipality Name: NEW CASTLE TOWNN
Acres: 0.33
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.: 4,813
Stories: 2.0
Lot Size: 0.33 acres
Style: Single Family Residential
Year Built: 1999
Year Renovated: —
County: Rockingham County
APN: 4309174S

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 • 0.6mi

Portsmouth Middle School

Public 6-8 • Assigned • 2.0mi

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

$3.47M – $4.20M

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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 50 Mill Pond Rd

Data from public records.

Address	Redfin Estimate
32 Mill Pond Road, New Castle, NH 4 Beds \| 5 Baths \| 4087 Sq. Ft.	$3,537,619
24 Mill Pond Road, New Castle, NH 4 Beds \| 3.5 Baths \| 3738 Sq. Ft.	$3,315,548
18 Mill Pond Road, New Castle, NH 3 Beds \| 4 Baths \| 5331 Sq. Ft.	$3,620,282
32 Mill Pond Road, New Castle, NH 3 Beds \| 3 Baths \| 5274 Sq. Ft.	$3,322,696
70 Mill Pond Road, New Castle, NH 4 Beds \| 3.5 Baths \| 5519 Sq. Ft.	$3,673,841
6 Old Bay Road, New Castle, NH 4 Beds \| 3.5 Baths \| 2516 Sq. Ft.	$2,335,269
27 Old Bay Road, New Castle, NH 3 Beds \| 3 Baths \| 2679 Sq. Ft.	$1,992,616

Address	Redfin Estimate
70 Mill Pond Road, New Castle, NH 4 Beds \| 4.5 Baths \| 4340 Sq. Ft.	$4,012,809
18 Mill Pond Road, New Castle, NH 4 Beds \| 5 Baths \| 4210 Sq. Ft.	$4,121,165
24 Mill Pond Road, New Castle, NH 3 Beds \| 3.5 Baths \| 4261 Sq. Ft.	$2,705,522
4 Mill Pond Road, New Castle, NH 3 Beds \| 3.5 Baths \| 4699 Sq. Ft.	$3,262,025
15 Old Bay Road, New Castle, NH 3 Beds \| 2.5 Baths \| 2971 Sq. Ft.	$2,546,085
46 N Gate Road, New Castle, NH 3 Beds \| 3.5 Baths \| 2728 Sq. Ft.	$2,069,284
12 Old Bay Road, New Castle, NH 3 Beds \| 3.5 Baths \| 2780 Sq. Ft.	$2,255,080

Address	Redfin Estimate
12 Mill Pond Road, New Castle, NH 3 Beds \| 3.5 Baths \| 3425 Sq. Ft.	$3,417,396
4 Mill Pond Road, New Castle, NH 4 Beds \| 3.5 Baths \| 4142 Sq. Ft.	$3,010,810
12 Mill Pond Road, New Castle, NH 4 Beds \| 4.5 Baths \| 4671 Sq. Ft.	$3,030,457
18 Mill Pond Road, New Castle, NH 3 Beds \| 4 Baths \| 5331 Sq. Ft.	$4,062,804
21 Old Bay Road, New Castle, NH 3 Beds \| 3.5 Baths \| 2495 Sq. Ft.	$2,464,955
7 Old Bay Road, New Castle, NH 3 Beds \| 2.5 Baths \| 2300 Sq. Ft.	$2,148,475
6 Old Bay Road, New Castle, NH 3 Beds \| 2.5 Baths \| 2513 Sq. Ft.	$1,618,127

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