274 New Castle Ave
Portsmouth, NH 03801
3 bd 2 ba 1,514 sqft Built 1820 condo
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 | $906,600 | — | $906,600 | $10,435 |
| 2023 | $526,900 | — | $526,900 | $8,499 |
| 2022 | $526,900 | — | $526,900 | $8,009 |
| 2021 | $526,900 | — | $526,900 | $7,919 |
| 2020 | $526,900 | — | $526,900 | $7,745 |
| 2019 | $526,900 | — | $526,900 | $7,830 |
| 2018 | $475,900 | — | $475,900 | $7,538 |
| 2017 | $475,900 | — | $475,900 | $7,319 |
| 2016 | $398,600 | — | $398,600 | $6,792 |
| 2015 | $398,600 | — | $398,600 | $6,692 |
| 2014 | $250,500 | $208,200 | $458,700 | $8,302 |
| 2011 | $122,200 | $208,200 | $330,400 | $5,787 |
| 2007 | $243,100 | $179,800 | $422,900 | $6,910 |
Property facts
Year built
1820
Property type
condo
Stories
2
Beds
3
Baths
2
Living area
1,514 sqft
Lot size
—
ZIP code
03801
City
Portsmouth
Street
New Castle Ave
Coordinates
43.07038, -70.74691
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 274 New Castle Ave last sell?
No public-record sale is on file for 274 New Castle Ave.
What is the current tax assessment for 274 New Castle Ave?
The most recent total assessment for 274 New Castle Ave (year 2025) is $906,600 with $10,435 in property tax.
When was 274 New Castle Ave built?
274 New Castle Ave was built in 1820.
How does 274 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 274 New Castle Ave?
274 New Castle Ave is a 3 bed, 2 bath, 1,514 sqft condo.
Is 274 New Castle Ave a flip candidate?
No — 274 New Castle Ave does not appear in our flips dataset.
Is 274 New Castle Ave a tax-appeal candidate?
No — 274 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