House Prices

House Prices & Home Values New Castle, NH 2026


Average Data

average house price$979,900
average size per house3772 ft²
average price per ft²260 $ / ft²

07/04/2026 - The value range (VR) for house prices in New Castle, NH is $260/ sqft to $260/ sqft. An average home with 3772 sqft costs approximately $980,720 to $980,720. New Castle, NH includes 1 ZIP codes and it is located in Rockingham county. The lowest prices are found in ZIP 03854, while the highest are in ZIP 03854. The average price per sqare feet is $260. Our analysis is based on 1 property listings.

Avergage prices by ZIP codes New Castle

03854257 $ / ft²




Historical development of home values in New Castle

Year Estimated value (USD) Change vs. 2025
2010 $455,083 -53.6%
2011 $437,485 -55.4%
2012 $436,307 -55.5%
2013 $452,615 -53.8%
2014 $475,121 -51.5%
2015 $499,506 -49.0%
2016 $525,574 -46.4%
2017 $553,941 -43.5%
2018 $584,566 -40.3%
2019 $611,672 -37.6%
2020 $643,292 -34.4%
2021 $731,675 -25.3%
2022 $852,969 -13.0%
2023 $899,496 -8.2%
2024 $951,533 -2.9%
2025 $979,900 0.0%

Graph: estimated home values in New Castle over time (USD)



Example: 100% financing house in New Castle

Loan amount: $979,900

Interest rate: 6.00%

Fixed monthly payment: $5,875.00

Breakdown in the 1st month:
Interest portion: $4,899.50  –  Principal portion: $975.50

Yearly breakdown (100% financing)

Year Interest per year ($) Principal per year ($) Remaining balance at year-end ($)
1 $58,466.66 $12,033.29 $967,866.71
2 $57,724.47 $12,775.47 $955,091.24
3 $56,936.51 $13,563.44 $941,527.80
4 $56,099.95 $14,400.00 $927,127.80
5 $55,211.79 $15,288.16 $911,839.64
6 $54,268.85 $16,231.10 $895,608.54
7 $53,267.75 $17,232.20 $878,376.34
8 $52,204.90 $18,295.04 $860,081.30
9 $51,076.51 $19,423.44 $840,657.86
10 $49,878.51 $20,621.44 $820,036.42
11 $48,606.62 $21,893.32 $798,143.10
12 $47,256.29 $23,243.65 $774,899.44
13 $45,822.67 $24,677.27 $750,222.17
14 $44,300.63 $26,199.31 $724,022.86
15 $42,684.72 $27,815.23 $696,207.63
16 $40,969.14 $29,530.81 $666,676.82
17 $39,147.74 $31,352.21 $635,324.61
18 $37,214.00 $33,285.94 $602,038.66
19 $35,161.00 $35,338.95 $566,699.72
20 $32,981.37 $37,518.58 $529,181.14
21 $30,667.31 $39,832.64 $489,348.50
22 $28,210.52 $42,289.43 $447,059.07
23 $25,602.20 $44,897.75 $402,161.32
24 $22,833.00 $47,666.94 $354,494.38
25 $19,893.01 $50,606.94 $303,887.44
26 $16,771.68 $53,728.26 $250,159.18
27 $13,457.84 $57,042.10 $193,117.08
28 $9,939.61 $60,560.34 $132,556.74
29 $6,204.38 $64,295.56 $68,261.17
30 $2,238.77 $68,261.17 $0.00

Note: The calculation is based on a standard annuity mortgage with a fixed monthly payment over the entire term. Extra payments, interest rate changes, and additional purchase costs (e.g. taxes, notary fees) are not included.


How to sell in New Castle, NH


1500 sqft3900 sqft
Ø selling price$471,901$1,003,861
Ø fast selling$429,001$903,475
Ø high price sale$514,801$1,104,246

In 2026, houses in New Castle, NH will be offered at an average price of $260 per square foot. A 1,500 sqft home priced at $471,901 is 22.70% more expensive per square foot than a 3,900 sqft home priced at $1,003,861. Home prices in New Castle, NH vary significantly depending on the neighborhood and location. For a quick sale, a 2,700 sqft home should be listed at around $694,980. Sellers who can wait longer may achieve a higher price of up to $849,421.


Discover New Castle, NH

New Castle, NH is a small island town in coastal New England, set at the mouth of the Piscataqua River and the Atlantic Ocean.
Linked by bridges to Portsmouth, New Castle, New Hampshire blends historic charm with sweeping ocean views.

History and Landmarks

The storied Fort Constitution and neighboring Portsmouth Harbor Lighthouse anchor the town?s maritime heritage.
Nearby, Fort Stark Historic Site invites visitors to explore granite batteries, rocky shorelines, and panoramic harbor vistas.

Parks and Outdoor Activities

Families love Great Island Common for its sandy beach, picnic lawns, and sunrise-to-sunset photo opportunities.
Outdoor enthusiasts can kayak tidal inlets, launch paddleboards, or sail past rocky islands dotted with seabirds.

Dining and Stays

The grand Wentworth by the Sea resort offers spa escapes, elegant dining, and a postcard backdrop for weddings and weekend getaways.
Foodies will find fresh New England seafood, raw bars, and casual cafes with harbor-side seating.

Living and Visiting

Homebuyers value its quiet neighborhoods, historic architecture, and proximity to Portsmouth, beaches, and major routes.
Plan your visit to New Castle, NH for a relaxing coastal getaway filled with history, beaches, and unforgettable New England scenery.



FAQ – Home Values in New Castle

What is the median home value in New Castle in 2026?

In 2026, the typical home value in New Castle is about $979,900 for an average home size of 3772 square feet. This corresponds to an average price of roughly $260 per square foot.

What is the average cost per square foot in New Castle?

In 2026, homes in New Castle sell for an average of around $260 per square foot, with a typical range between $260 and $260 per square foot, depending on the property’s location, condition, and lot size.

What is the average home size in ?

The average home size in New Castle is about 3772 square feet, with an estimated 2026 value around $979,900.



Locations close to New Castle, NH

New Durham, NH225 $ / ft²
Newfields, NH296 $ / ft²
Newmarket, NH243 $ / ft²
Mirror Lake, NH404 $ / ft²
Milton Mills, NH95 $ / ft²
Milton, NH209 $ / ft²
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