401 Islington St
Portsmouth, NH 03801
1 bd 1 ba 453 sqft Built 1840 condos
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 | $335,000 | — | $335,000 | $3,856 |
| 2023 | $169,200 | — | $169,200 | $2,729 |
| 2022 | $193,700 | — | $193,700 | $2,944 |
| 2021 | $193,700 | — | $193,700 | $2,911 |
| 2020 | $193,700 | — | $193,700 | $2,847 |
| 2019 | $193,700 | — | $193,700 | $2,878 |
| 2018 | $200,500 | — | $200,500 | $3,176 |
| 2017 | $200,500 | — | $200,500 | $3,084 |
| 2016 | $177,300 | — | $177,300 | $3,021 |
| 2015 | $177,300 | — | $177,300 | $2,977 |
| 2014 | $160,000 | — | $160,000 | $2,896 |
| 2011 | $157,100 | — | $157,100 | $2,724 |
| 2007 | $149,100 | $188,800 | $337,900 | $2,436 |
Property facts
Year built
1840
Property type
condos
Stories
1
Beds
1
Baths
1
Living area
453 sqft
Lot size
—
ZIP code
03801
City
Portsmouth
Street
Islington St
Coordinates
43.07267, -70.76767
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 401 Islington St last sell?
No public-record sale is on file for 401 Islington St.
What is the current tax assessment for 401 Islington St?
The most recent total assessment for 401 Islington St (year 2025) is $335,000 with $3,856 in property tax.
When was 401 Islington St built?
401 Islington St was built in 1840.
How does 401 Islington St compare to others on Islington St?
We track 8 other properties on Islington St. Browse the list under "Other properties on Islington St" to compare beds, baths, and sale history.
What are the property facts for 401 Islington St?
401 Islington St is a 1 bed, 1 bath, 453 sqft condos.
Is 401 Islington St a flip candidate?
No — 401 Islington St does not appear in our flips dataset.
Is 401 Islington St a tax-appeal candidate?
No — 401 Islington St 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 Islington St