Google street view image for 20 Old Bay Rd, New Castle, NH 03854

Off market aug 2015 for $1M

$2,030,157

Est. refi paymentEst. refi $4,806/mo

•

2.5 ba

•

2,944

sq ft

20 Old Bay Rd, New Castle, NH 03854

About this home

20 Old Bay Rd is a 2,944 square foot house on a 0.26 acre lot with 3 bedrooms and 2.5 bathrooms. - it last sold on August 27, 2015 for $1,015,633. Based on Redfin's New Castle data, we estimate the home's value is $2,030,157.

Single-familyProperty Type

1998Year Built

0.26 acresLot Size

$690Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$2,030,157

$1.0M since sold in August 2015$23K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 3.2% higher than the average sale price ($1.97M) of 6 comparable homes.

SOLD AUG 14, 2026
$1,200,000
A
3 beds3 baths2,009 sq ft
29 Frontier St, Rye, NH 03870
SOLD AUG 21, 2026
$2,425,000
B
3 beds3.5 baths3,189 sq ft
56 Old Bay Rd, New Castle, NH 03854
SOLD SEP 4, 2026
$799,000
C
3 beds3 baths2,392 sq ft
15 Harding Rd, Portsmouth, NH 03801
SOLD OCT 16, 2026
$982,500
D
3 beds2 baths2,028 sq ft
25 Frontier St, Rye, NH 03870
SOLD OCT 29, 2026
$5,100,000
E
4 beds3 baths3,049 sq ft
395 Little Harbor Rd, Portsmouth, NH 03801
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

$1,299,541

Est. take-home

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Est. cash available

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Rent

$3,860/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 20 Old Bay Rd

Tax history for 20 Old Bay 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: 2
# of 1/2 Baths: 1

Heating & Cooling
Heating Type: Forced Air

Exterior

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

Property Information
Subdivision Name: MILL POND/WENTWORTH
Living Sq. Ft: 2,944
Gross Sq. Ft: 5,782
# of Stories: 2

Lot Information
# of Buildings: 1
Land Sq. Ft: 11,326
Legal Lot Number: B20
Municipality Name: NEW CASTLE TOWNN
Acres: 0.26
Zoning Code: PD PL
State Use Description: 1-FAMILY RESIDENCE

Financial

Assessor Information
Assessment Year: 2025

Public facts

Beds: 3
Baths: 2.5
Sq. Ft.: 2,944
Stories: 2.0
Lot Size: 0.26 acres
Style: Single Family Residential
Year Built: 1998
Year Renovated: —
County: Rockingham County
APN: 4929566S

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

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

$1.93M – $2.34M

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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

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4 beds1.5 baths1,400 sq ft

1 Halstead St, Kittery, ME 03904

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

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Generous backyard • Outdoor entertaining • Exceptional location

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6 beds8 baths13,451 sq ft

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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 20 Old Bay Rd

Data from public records.

Address	Redfin Estimate
15 Old Bay Road, New Castle, NH 3 Beds \| 2.5 Baths \| 2971 Sq. Ft.	$2,546,085
39 Old Bay Road, New Castle, NH 3 Beds \| 3.5 Baths \| 3267 Sq. Ft.	$2,153,122
42 Old Bay Road, New Castle, NH 3 Beds \| 2.5 Baths \| - Sq. Ft.	$1,911,382
12 Old Bay Road, New Castle, NH 3 Beds \| 3.5 Baths \| 2780 Sq. Ft.	$2,255,080
33 Old Bay Road, New Castle, NH 3 Beds \| 2.5 Baths \| 3071 Sq. Ft.	$1,793,425
21 Old Bay Road, New Castle, NH 3 Beds \| 3.5 Baths \| 2981 Sq. Ft.	$2,213,001
27 Old Bay Road, New Castle, NH 3 Beds \| 3 Baths \| 2677 Sq. Ft.	$1,889,222

Address	Redfin Estimate
21 Old Bay Road, New Castle, NH 3 Beds \| 3.5 Baths \| 2495 Sq. Ft.	$2,464,955
6 Old Bay Road, New Castle, NH 4 Beds \| 3.5 Baths \| 2516 Sq. Ft.	$2,335,269
7 Old Bay Road, New Castle, NH 3 Beds \| 2.5 Baths \| 2300 Sq. Ft.	$2,148,475
34 Old Bay Road, New Castle, NH 3 Beds \| 2.5 Baths \| 2968 Sq. Ft.	$2,118,284
6 Old Bay Road, New Castle, NH 3 Beds \| 2.5 Baths \| 2513 Sq. Ft.	$1,618,127
26 Old Bay Road, New Castle, NH 3 Beds \| 2.5 Baths \| 2825 Sq. Ft.	$1,918,636
39 Old Bay Road, New Castle, NH 3 Beds \| 2.5 Baths \| 3363 Sq. Ft.	$2,148,998

Address	Redfin Estimate
48 Old Bay Road, New Castle, NH 3 Beds \| 3.5 Baths \| 3147 Sq. Ft.	$2,207,970
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
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
42 Old Bay Road, New Castle, NH 3 Beds \| 2.5 Baths \| 3137 Sq. Ft.	$1,887,438
7 Old Bay Road, New Castle, NH 3 Beds \| 3 Baths \| 2965 Sq. Ft.	$1,977,801

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