Listed by Holly Biddle • Carey Giampa, LLC/Rye. Bought with Carey Giampa, LLC/Rye.
Off Market Aug 2015 for $1M
$2,064,584
3
bd
•
2.5 ba
•
2,300
sq ft
20 Old Bay Rd, New Castle, NH 03854
About this home
Exquisite inside and out! So many updates starting with Granite, Kitchen, Gas Fireplace, Built-ins, Huge Deck, Stone Walls, Landscaping, Roof, Heating System & so on! Flexible floor plan is great for entertaining. Bright & Cheery Breakfast Room with sliders to a side patio for your morning coffee. First Floor Master Suite with gorgeous Master Spa Bath. Great Family Room on 2nd Floor with built-in office. Enjoy Charming & Historic New Castle along with the upscale lifestyle of the Wentworth By the Sea with amenities such as Club House with Swimming Pool, Tennis Courts, Beach Rights, Marina & fine dining at the Wentworth Hotel. Great Island is surrounded by Ocean, Piscataqua River & Little Harbor with picnic grounds at the lovely Commons with Town Beach. Downtown Portsmouth is minutes away offering rich culture, entertainment, shops & restaurants. Logan, Manchester & Portland Airports are each within 1 hour.
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Earn from this home
Sell
$1,327,992
Est. take-home
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Rent
$3,432/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
5
3 MoM
Provided by Redfin
Sale history for 20 Old Bay Rd
Date
Event
Price
PrimeMLS #4422258
Aug 27, 2015
Delisted
—
Aug 26, 2015
Sold
$1,015,500
$442/sq ft
May 21, 2015
Contingent
—
May 16, 2015
Listed
$1,015,000
$441/sq ft
PrimeMLS #252848
Dec 1, 2006
Sold
$820,000
$357/sq ft
Nov 2, 2006
Delisted
—
Mar 7, 2006
Listed
$875,000
$380/sq ft
WENTWORTH BY THE SEA COMMUNITY OFFERS TENNIS, SWIMMING. GOLF COURSE AND MARINA WITHIN WALKING DISTANCE. SUNNY KITCHEN WITH MORNING ROOM. DEN WITH BUILT-INS. GAS FIREPLACE, CATHERAL CEILINGS, SKYLIGHTS, LOFT. TWO PATIOS. SELLER OFFERING $25,000 TOWARDS UPGRADE PACKAGE!
PrimeMLS #499795
Aug 4, 1998
Sold
$383,703
$167/sq ft
Jan 12, 1998
Delisted
—
Aug 22, 1997
Listed
$380,000
$165/sq ft
PHASE 5, MILL POND THREE NEW HOME DESIGNS FROM 1975 TO 2100 SQ FT PRICES FROM $357,000 CALL SALES OFFICE FOR DETAILS
Year
Property tax
Land + Additions
Assessment*
2024
$7,641 (+8.2%)
$961,500 + $456,200
$1,417,700
2023
$7,060 (+10.7%)
$961,500 + $456,200
$1,417,700
2022
$6,380 (−5.9%)
$961,500 + $456,200
$1,417,700
2021
$6,777 (+1.3%)
$961,500 + $456,200
$1,417,700
2020
$6,689 (+1.8%)
$741,700 + $320,000
$1,061,700
2019
$6,572 (+3.2%)
$741,700 + $320,000
$1,061,700
2018
$6,370 (+2.6%)
$741,700 + $320,000
$1,061,700
2016
$6,211 (+1.8%)
$741,700 + $320,000
$1,061,700
2015
$6,100 (−2.1%)
$615,700 + $337,400
$953,100
2014
$6,232
$615,700 + $328,500
$944,200
Tax history for 20 Old Bay Rd
Year
Property tax
Land + Additions
Assessment*
2024
$7,641 (+8.2%)
$961,500 + $456,200
$1,417,700
2023
$7,060 (+10.7%)
$961,500 + $456,200
$1,417,700
2022
$6,380 (−5.9%)
$961,500 + $456,200
$1,417,700
2021
$6,777 (+1.3%)
$961,500 + $456,200
$1,417,700
2020
$6,689 (+1.8%)
$741,700 + $320,000
$1,061,700
2019
$6,572 (+3.2%)
$741,700 + $320,000
$1,061,700
2018
$6,370 (+2.6%)
$741,700 + $320,000
$1,061,700
2016
$6,211 (+1.8%)
$741,700 + $320,000
$1,061,700
2015
$6,100 (−2.1%)
$615,700 + $337,400
$953,100
2014
$6,232
$615,700 + $328,500
$944,200
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Dishwasher, Dryer, Microwave, Range - Electric, Refrigerator, Washer
Satellite Dish, Security System, Smoke Detector
Room 1 Information
Kitchen
Kitchen
Dimensions: 13'5 x 9'
Level: 1
Room 2 Information
Dining Room
Dimensions: 12'4 x 12'
Level: 1
Room 3 Information
Living Room
Dimensions: 24' x 16'
Level: 1
Room 4 Information
Family Room
Dimensions: 25' x 14'2
Level: 2
Room 5 Information
Breakfast Nook
Room 6 Information
Breakfast Nook
Breakfast Nook
Room 7 Information
Master Bedroom
Dimensions: 15' x 12'6
Level: 1
Room 8 Information
Bedroom
Dimensions: 14' x 12'
Level: 2
Room 9 Information
Bedroom
Dimensions: 13'9 x 10'8
Level: 2
Room 13 Information
Other
Dimensions: 12' x 11'6
Level: 1
Room 16 Information
Full Bath
Level: 2
Room 17 Information
3/4 Bath
Level: 1
Room 18 Information
1/2 Bath
Level: 1
Exterior
Building Information
Construction Status: Existing
Approximate Sq. Ft. Total Finished: 2300
Trash, Deck, Fence - Partial, Garden Space, Patio, Porch, ROW to Water
Construction: Wood Frame
Foundation: Concrete
Roof: Shingle - Architectural, Shingle - Asphalt
Exterior: Shingle, Wood
Driveway
Paved
Lot, Zoning, & Easement Information
Landscaped, Level
Survey Information
Surveyed: Yes
Other Property & Lot Information
Year Built: 1998
Water Body Access: Yes
Right of Way
Financial
Assessment Information
Assessment Year: 2014
Tax Information
Tax Year: 2014
Tax Rate: 6.6
Gross Amount Tax: 6232
Other Tax Information
Page Deed: 1446
Utilities
Heating & Cooling Information
Cooling: Central AC, Multi Zone
Heat: Hot Air, Multi Zone
Heat Fuel: Gas - Liquid Propane Bottle
Sewer Information
Public
Electric Information
200 Amp, Circuit Breaker(s), Generator
Water Information
Public
Other Utilities Information
Internet - Cable
Location
Homeowners Association
Fee: 433
Monthly
Association Amenities: Club House
School Information
Elementary School: Maude H. Trefethen School
Elementary School: Maude H. Trefethen School
Middle/Jr School: Rye Junior High School
Road Information
Road Frontage: Yes
Road Frontage Length: 67
Association, Paved, Public
Other Location Information
Directions: From Downtown Portsmouth take New Castle Avenue to Main Street through Town of New Castle and turn right on Bay Gate just before Wentworth Hotel and right on Old Bay Road. #20 is 3rd on right. From Rye, turn left on Bay Gate just after Wentworth Hotel then right on Old Bay Road.
Public facts
Beds: 3
Baths: 2.5
Sq. Ft.: 2,630
Stories: 2.0
Lot Size: 0.26 acres
Style: Single Family Residential
Year Built: 1998
Year Renovated: —
County: Rockingham County
APN: 136057
Home facts updated by county records on May 14, 2026
Other
Misc. Information
Planned Urban Developmt: Yes
Documents & Disclosures
Documents Available: Association Docs, Covenants, Deed, Property Disclosure, Survey
Around this home
Schools
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)
32
20
34
20
46
31
53
39
63
49
74
59
79
64
75
60
71
55
61
46
51
37
37
24
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
$1.96M – $2.38M
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