House Prices

The Plains Portsmouth, NH House Prices & Home Values 2026


Average Data

average house price$2,685,375
average size per house3648 ft²
average price per ft²799 $ / ft²

07/04/2026 - The value range (VR) for house prices in The Plains Portsmouth, NH is $759.05/ sqft to $838.95/ sqft. An average home with 3648 sqft costs approximately $3,004,381 to $3,320,632. Portsmouth, NH includes 1 ZIP codes and it is located in Rockingham county. The lowest prices are found in ZIP 03801, while the highest are in ZIP 03801. The average price per sqare feet is $799. Our analysis is based on 1 property listings.

Avergage prices by ZIP codes The Plains Portsmouth

03801289 $ / ft²




Historical development of home values in The Plains Portsmouth

Year Estimated value (USD) Change vs. 2025
2010 $1,247,137 -53.6%
2011 $1,198,910 -55.4%
2012 $1,195,682 -55.5%
2013 $1,240,373 -53.8%
2014 $1,302,050 -51.5%
2015 $1,368,876 -49.0%
2016 $1,440,313 -46.4%
2017 $1,518,053 -43.5%
2018 $1,601,979 -40.3%
2019 $1,676,260 -37.6%
2020 $1,762,915 -34.4%
2021 $2,005,126 -25.3%
2022 $2,337,526 -13.0%
2023 $2,465,030 -8.2%
2024 $2,607,636 -2.9%
2025 $2,685,375 0.0%

Graph: estimated home values in The Plains Portsmouth over time (USD)



Example: 100% financing house in The Plains Portsmouth

Loan amount: $2,685,375

Interest rate: 6.51%

Fixed monthly payment: $16,991.06

Breakdown in the 1st month:
Interest portion: $14,568.16  –  Principal portion: $2,422.90

Yearly breakdown (100% financing)

Year Interest per year ($) Principal per year ($) Remaining balance at year-end ($)
1 $173,934.51 $29,958.22 $2,655,416.78
2 $171,924.97 $31,967.76 $2,623,449.02
3 $169,780.64 $34,112.09 $2,589,336.94
4 $167,492.47 $36,400.26 $2,552,936.68
5 $165,050.82 $38,841.91 $2,514,094.76
6 $162,445.38 $41,447.35 $2,472,647.41
7 $159,665.18 $44,227.56 $2,428,419.86
8 $156,698.48 $47,194.25 $2,381,225.60
9 $153,532.78 $50,359.95 $2,330,865.66
10 $150,154.74 $53,737.99 $2,277,127.67
11 $146,550.11 $57,342.63 $2,219,785.04
12 $142,703.68 $61,189.05 $2,158,595.99
13 $138,599.24 $65,293.49 $2,093,302.50
14 $134,219.48 $69,673.25 $2,023,629.25
15 $129,545.94 $74,346.79 $1,949,282.47
16 $124,558.91 $79,333.82 $1,869,948.65
17 $119,237.36 $84,655.37 $1,785,293.28
18 $113,558.85 $90,333.88 $1,694,959.40
19 $107,499.43 $96,393.30 $1,598,566.10
20 $101,033.57 $102,859.16 $1,495,706.93
21 $94,133.98 $109,758.75 $1,385,948.19
22 $86,771.59 $117,121.14 $1,268,827.04
23 $78,915.34 $124,977.39 $1,143,849.65
24 $70,532.11 $133,360.62 $1,010,489.02
25 $61,586.55 $142,306.19 $868,182.84
26 $52,040.93 $151,851.80 $716,331.04
27 $41,855.02 $162,037.71 $554,293.33
28 $30,985.86 $172,906.87 $381,386.46
29 $19,387.62 $184,505.11 $196,881.34
30 $7,011.39 $196,881.34 $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 The Plains Portsmouth, NH


1500 sqft3900 sqft
Ø selling price$1,573,451$3,347,159
Ø fast selling$1,430,410$3,012,443
Ø high price sale$1,716,492$3,681,875

In 2026, houses in The Plains Portsmouth, NH will be offered at an average price of $799 per square foot. A 1,500 sqft home priced at $1,573,451 is 24.96% more expensive per square foot than a 3,900 sqft home priced at $3,347,159. Home prices in The Plains Portsmouth, NH vary significantly depending on the property’s condition and exact location. For a quick sale, a 2,700 sqft home should be listed at around $2,317,264. Sellers who can wait longer may achieve a higher price of up to $2,832,212.

FAQ – Home Values in The Plains Portsmouth

What is the median home value in The Plains Portsmouth in 2026?

In 2026, the typical home value in The Plains Portsmouth is about $2,685,375 for an average home size of 3648 square feet. This corresponds to an average price of roughly $799 per square foot.

What is the average cost per square foot in The Plains Portsmouth?

In 2026, homes in The Plains Portsmouth sell for an average of around $799 per square foot, with a typical range between $759.05 and $838.95 per square foot, depending on the property’s location, condition, and lot size.

What is the average home size in The Plains?

The average home size in The Plains Portsmouth is about 3648 square feet, with an estimated 2026 value around $2,685,375.



Neighborhoods close to The Plains Portsmouth, NH

Alton Center Alton, NH321 $ / ft²
Alton Shores Alton Bay, NH528 $ / ft²
Atkinson Center Atkinson, NH541 $ / ft²
Seminary Hill West Lebanon, NH184 $ / ft²
Sunapee Harbor Sunapee, NH456 $ / ft²
Plainfield Village Plainfield, NH358 $ / ft²
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