86 New Castle Ave
Portsmouth, NH 03801
3 bd 3 ba 2,050 sqft Built 1977 Lot 37,462 sqft single_family
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
No recorded events
No sale or listing events are on file for this property.
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $1,216,500 | $1,350,800 | $2,567,300 | $29,550 |
| 2023 | $388,200 | $814,900 | $1,203,100 | $19,406 |
| 2022 | $388,200 | $814,900 | $1,203,100 | $18,287 |
| 2021 | $388,200 | $814,900 | $1,203,100 | $18,083 |
| 2020 | $384,300 | $814,900 | $1,199,200 | $17,628 |
| 2019 | $354,300 | $1,067,100 | $1,421,400 | $21,122 |
| 2018 | $282,900 | $557,400 | $840,300 | $13,310 |
| 2017 | $282,900 | $557,400 | $840,300 | $12,924 |
| 2016 | $232,600 | $472,800 | $705,400 | $12,020 |
| 2015 | $232,600 | $472,800 | $705,400 | $11,844 |
| 2014 | $261,300 | $403,500 | $664,800 | $12,033 |
| 2011 | $261,300 | $403,500 | $664,800 | $11,514 |
| 2007 | $220,200 | $262,200 | $482,400 | $7,882 |
Property facts
Year built
1977
Property type
single_family
Stories
2
Beds
3
Baths
3
Living area
2,050 sqft
Lot size
37,462 sqft
ZIP code
03801
City
Portsmouth
Street
New Castle Ave
Coordinates
43.06934, -70.75070
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 86 New Castle Ave last sell?
No public-record sale is on file for 86 New Castle Ave.
What is the current tax assessment for 86 New Castle Ave?
The most recent total assessment for 86 New Castle Ave (year 2025) is $2,567,300 with $29,550 in property tax.
When was 86 New Castle Ave built?
86 New Castle Ave was built in 1977.
How does 86 New Castle Ave compare to others on New Castle Ave?
We track 8 other properties on New Castle Ave. Browse the list under "Other properties on New Castle Ave" to compare beds, baths, and sale history.
What are the property facts for 86 New Castle Ave?
86 New Castle Ave is a 3 bed, 3 bath, 2,050 sqft, 37,462 sqft lot single_family.
Is 86 New Castle Ave a flip candidate?
No — 86 New Castle Ave does not appear in our flips dataset.
Is 86 New Castle Ave a tax-appeal candidate?
No — 86 New Castle Ave is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+0.5%
Implied 1-yr
+2.1%
2026 Q3
$1.3M
2026 Q4
$1.31M
ZIP 03801 — Median Price History + Forecast
Explore nearby
Geography
Other properties on New Castle Ave