Listed by Joe Leddy • Bean Group / Portsmouth. Bought with BHHS Verani Seacoast.

Off Market Jul 2012 for $893K

$2,483,647

•

3,199

sq ft

51 Old Bay Rd, New Castle, NH 03854

About this home

Experience the best this island has to offer by living at Wentworth by the Sea. This home is just steps from the Historic Wentworth Hotel and Marina. Association luxuries include beach rights, pool, clubhouse and tennis courts. Enjoy this homes gift of fine living with its gleaming hardwoods, granite appointments, and sunlit rooms which are filled with the warmth and beauty given by the majestic views of the outdoors. Bathing in natural light, this home offers tranquility with its open spaces, soaring ceilings and luxurious amenities including its own screening room. Outside this home enjoy your own private yard with meticulously appointed landscape features. Only minutes to downtown Portsmouth.

Single-familyProperty Type

1998Year Built

10,454 sq ftLot Size

$776Est. Price/Sq.Ft.

2 car garageParking

Listed by Joe Leddy • Bean Group / Portsmouth

Bought with Valerie Ellmer • BHHS Verani Seacoast

Redfin checked: 3 minutes ago

•Source:PrimeMLS #4028965

Redfin Estimate

$2,483,647

$1.6M since sold in July 2012$145K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 0.4% lower than the average sale price ($2.49M) of 6 comparable homes.

SOLD MAR 17, 2026
$3,100,000
A
4 beds4 baths3,057 sq ft
17 Lavenger Ln, New Castle, NH 03854
SOLD AUG 21, 2026
$2,425,000
B
3 beds3.5 baths3,189 sq ft
56 Old Bay Rd, New Castle, NH 03854
SOLD AUG 28, 2026
$1,612,500
C
4 beds3.5 baths4,195 sq ft
7 Shaw Rd, Portsmouth, NH 03801
SOLD SEP 4, 2026
$3,500,000
D
4 beds3.5 baths4,000 sq ft
97 Abigale Ln, New Castle, NH 03854
SOLD DEC 18, 2025
$2,225,000
E
5 beds3.5 baths3,039 sq ft
57 Old Bay Rd, New Castle, NH 03854
SOLD OCT 15, 2025
$2,100,000
F
3 beds3.5 baths3,267 sq ft
39 Old Bay Rd, New Castle, NH 03854

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Earn from this home

Sell

$1,861,001

Est. take-home

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Rent

$4,373/mo

Redfin rental estimate

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Market trends in 03854, NH

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

99.6%

+4.5% MoM

Median sale price

$3.2M

$481K MoM

Avg. days on market

71d

21 days MoM

Recently sold homes

3 MoM

Provided by Redfin

Sale history for 51 Old Bay Rd

Date

Event

Price

PrimeMLS #4028965

Jul 31, 2012

Sold

$893,000

$279/sq ft

Oct 13, 2010

Listed

$949,000

$297/sq ft

PrimeMLS #129339

Mar 3, 2004

Sold

$900,000

$281/sq ft

Jan 26, 2004

Delisted

—

Jan 5, 2004

Listed

$949,000

$297/sq ft

PrimeMLS #788855

May 24, 2001

Sold

$650,000

$203/sq ft

Apr 4, 2001

Delisted

—

Jan 13, 2001

Listed

$669,000

$209/sq ft

Year

Property tax

Land + Additions

Assessment*

2024

$7,869 (+8.2%)

$911,700 + $548,200

$1,459,900

2023

$7,270 (+10.7%)

$911,700 + $548,200

$1,459,900

2022

$6,570 (−5.8%)

$911,700 + $548,200

$1,459,900

2021

$6,978 (−0.7%)

$911,700 + $548,200

$1,459,900

2020

$7,028 (+1.8%)

$735,000 + $380,600

$1,115,600

2019

$6,906 (+5.1%)

$735,000 + $380,600

$1,115,600

2018

$6,573 (+2.6%)

$735,000 + $360,500

$1,095,500

2016

$6,409 (+1.2%)

$735,000 + $360,500

$1,095,500

2015

$6,332 (−2.9%)

$606,400 + $383,000

$989,400

2014

$6,521

$606,400 + $381,600

$988,000

Tax history for 51 Old Bay Rd

Year

Property tax

Land + Additions

Assessment*

2024

$7,869 (+8.2%)

$911,700 + $548,200

$1,459,900

2023

$7,270 (+10.7%)

$911,700 + $548,200

$1,459,900

2022

$6,570 (−5.8%)

$911,700 + $548,200

$1,459,900

2021

$6,978 (−0.7%)

$911,700 + $548,200

$1,459,900

2020

$7,028 (+1.8%)

$735,000 + $380,600

$1,115,600

2019

$6,906 (+5.1%)

$735,000 + $380,600

$1,115,600

2018

$6,573 (+2.6%)

$735,000 + $360,500

$1,095,500

2016

$6,409 (+1.2%)

$735,000 + $360,500

$1,095,500

2015

$6,332 (−2.9%)

$606,400 + $383,000

$989,400

2014

$6,521

$606,400 + $381,600

$988,000

*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

10,454 Sq. Ft.

Year renovated

—

Sq. Ft.

3,336

Year built

1998

Style

Single Family Residential

County

Rockingham County

APN

136088

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

Interior

Bathroom Information
# of Baths (full): 2
# of Baths (3/4): 1
# of Baths (1/2): 1

Basement Information
Basement: Yes
Basement Access: Walkout
Daylight, Finished

Other Interior Features
# of Rooms: 9
Flooring: Carpet, Hardwood, Tile
Water Heater: Off Boiler
Central Vacuum, Cathedral Ceiling, Fireplace - Gas, Master Bedroom With Bath, Skylight, Laundry - 1st Floor

Equipment & Appliance Information
Dishwasher, Dryer, Microwave, Range - Gas, Refrigerator, Washer
Radon Mitigation, Security System, Smoke Detector

Room 1 Information
Kitchen
Kitchen
Dimensions: 23x12
Level: 1

Room 2 Information
Dining Room
Dimensions: 12.5x12
Level: 1

Room 3 Information
Living Room
Dimensions: 24x16
Level: 1

Room 4 Information
Family Room
Dimensions: 25x12
Level: Basement

Room 5 Information
Foyer

Room 6 Information
Loft
Loft

Room 7 Information
Master Bedroom
Dimensions: 15x12
Level: 1

Room 8 Information
Bedroom
Dimensions: 14x12
Level: 2

Room 9 Information
Bedroom
Dimensions: 14x12
Level: 2

Room 10 Information
Bedroom
Dimensions: 15x12.5
Level: Basement

Room 11 Information
Media Room

Room 13 Information
Other
Dimensions: 18x13
Level: Basement

Room 16 Information
Full Bath
Level: 1

Room 17 Information
Full Bath
Level: 2

Room 18 Information
3/4 Bath
Level: Basement

Room 19 Information
1/2 Bath
Level: 1

Exterior

Building Information
Construction Status: Existing
Approximate Sq. Ft. Total Finished: 3199
ROW to Water
Construction: Wood Frame
Foundation: Concrete
Roof: Shingle - Asphalt
Exterior: Cedar

Driveway
Paved

Lot, Zoning, & Easement Information
Lot: 3
Easements: Yes
Deed Restricted, Landscaped, View

Survey Information
Surveyed: Unknown

Other Property & Lot Information
Year Built: 1998
Water Body Access: Yes
Right of Way

Financial

Tax Information
Tax Year: 2010
Gross Amount Tax: 6313

Other Tax Information
Page Deed: 0373

Utilities

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

Sewer Information
Public

Electric Information
200 Amp

Water Information
Public

Location

Road Information
Road Frontage: TBD
Public

Other Location Information
Directions: Route 1B North (Wentworth Road) past historic Wentworth Hotel. Left on Bay Gate Road, first right on Old Bay Road, #51 on left.

Public facts

Beds: 3
Baths: 3.0
Sq. Ft.: 3,336
Stories: 2.0
Lot Size: 10,454 square feet
Style: Single Family Residential
Year Built: 1998
Year Renovated: —
County: Rockingham County
APN: 136088

Home facts updated by county records on May 14, 2026

Other

Documents & Disclosures
Documents Available: Association Docs

Around this home

Schools

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

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

$2.36M – $2.86M

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Home values near 51 Old Bay Rd

Data from public records.

Address	Redfin Estimate
48 Old Bay Road, New Castle, NH 3 Beds \| 3.5 Baths \| 3147 Sq. Ft.	$2,313,622
42 Old Bay Road, New Castle, NH 3 Beds \| 2.5 Baths \| - Sq. Ft.	$2,017,672

Address	Redfin Estimate
39 Old Bay Road, New Castle, NH 3 Beds \| 3.5 Baths \| 3267 Sq. Ft.	$2,192,901
59 Old Bay Road, New Castle, NH 3 Beds \| 3.5 Baths \| 3441 Sq. Ft.	$2,698,730

Address	Redfin Estimate
26 Old Bay Road, New Castle, NH 3 Beds \| 2.5 Baths \| - Sq. Ft.	$2,041,543
45 Old Bay Road, New Castle, NH 3 Beds \| 2.5 Baths \| - Sq. Ft.	$2,067,936

Property information provided by PrimeMLS when last listed in 2010. 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 51 Old Bay Rd

Tax history for 51 Old Bay Rd

Public record

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

Home values near 51 Old Bay Rd

More real estate resources