(603)-770-4079

Realtors Licensed in New Hampshire, Maine, Massachusetts, Rhode Island, Alabama and Florida.

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$2,400,000
29 Days On Site

18 Mainmast Circle
New Castle, NH 03854

For Sale|Single Family Residence|Active
6
Beds
4
Total Baths
2
Full Baths
2
Partial Baths
3,730
SqFt
$643
/SqFt
1974
Built
County:
NH-Rockingham
Listing courtesy of Susan Spaulding of The Aland Realty Group

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603-770-4079
18 Mainmast Circle18 Mainmast Circle18 Mainmast Circle18 Mainmast Circle
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Experience exceptional living in this rare 6-bedroom, 4-bath home set on a beautifully wooded and private lot in desirable New Castle, NH. Designed for both everyday comfort and impressive entertaining. This home features an open-concept kitchen and living area with soaring cathedral ceilings that create a sense of light and spaciousness. The chef’s kitchen is equipped with top-of-the-line appliances and an spacial flow into the main living space. A stunning stone fireplace anchors the room, offering warmth and architectural impact. With its unusually generous square footage for New Castle, this home provides remarkable flexibility—ideal for living, hosting guests, and dedicated work and creative spaces. Enjoy peaceful, wooded surroundings just moments from the coast. Combining space, privacy, and New Castle’s coveted low tax rate, this property offers an outstanding opportunity in one of New Hampshire’s most sought-after communities.

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Listing Snapshot
Price 
$2,400,000
Days On Site 
29 Days
Bedrooms 
6
Inside Area (SqFt) 
3,730 sqft
Total Baths 
4
Full Baths 
2
Partial Baths 
2
Lot Size 
0.25 Acres
Year Built 
1974
MLS® Number 
5070418
Status 
Active
Property Tax 
N/A
HOA/Condo/Coop Fees 
N/A
Sq Ft Source 
N/A
Friends & Family
Recent Activity
3 days agoListing updated with changes from the MLS®
4 weeks agoListing first seen on site
General Features
Acres 
0.25
Number Of Stories 
3
Parking 
Gravel
Property Sub Type 
Single Family Residence
SqFt Above 
3243
SqFt Below 
487
SqFt Total 
3819
Style 
ContemporaryMulti-Level
Utilities 
Cable Available
Water Source 
Public
Zoning 
residential
Interior Features
Appliances 
DishwasherRefrigerator
Electric 
200+ Amp Service
Fireplace Features 
Wood Burning
Flooring 
HardwoodTile
Heating 
Forced Air
Interior 
High Speed Internet
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Exterior Features
Construction Details 
Cedar
Lot Features 
Wooded
Roof 
Shingle
Community Features
School District 
Portsmouth
Schools
School District
Portsmouth
Elementary School
Maude H. Trefethen School
Middle School
Rye Junior High School
High School
Portsmouth High School
Listing courtesy of Susan Spaulding of The Aland Realty Group



Copyright 2025, PrimeMLS, Inc. All rights reserved. This information is deemed reliable, but not guaranteed. The data relating to real estate displayed on this display comes in part from the IDX Program of PrimeMLS. The information being provided is for consumers’ personal, noncommercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.
Last checked: 2025-12-21 05:16 AM UTC
Neighborhood & Commute
Source: Walkscore
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