366 Islington St
Portsmouth, NH 03801
4 bd 2 ba 2,160 sqft Built 1863 Lot 6,534 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 | $866,600 | $461,400 | $1,328,000 | $15,285 |
| 2023 | $509,300 | $267,500 | $776,800 | $12,530 |
| 2022 | $509,300 | $267,500 | $776,800 | $11,807 |
| 2021 | $509,300 | $267,500 | $776,800 | $11,675 |
| 2020 | $444,800 | $267,500 | $712,300 | $10,471 |
| 2019 | $436,600 | $267,500 | $704,100 | $10,463 |
| 2018 | $344,200 | $261,300 | $605,500 | $9,591 |
| 2017 | $269,000 | $218,800 | $487,800 | $7,502 |
| 2016 | $259,100 | $170,000 | $429,100 | $7,312 |
| 2015 | $259,100 | $170,000 | $429,100 | $7,205 |
| 2014 | $198,500 | $161,400 | $359,900 | $6,514 |
| 2011 | $198,500 | $161,400 | $359,900 | $5,740 |
| 2007 | $189,100 | $140,500 | $329,600 | $5,386 |
Property facts
Year built
1863
Property type
single_family
Stories
3
Beds
4
Baths
2
Living area
2,160 sqft
Lot size
6,534 sqft
ZIP code
03801
City
Portsmouth
Street
Islington St
Coordinates
43.07263, -70.76681
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 366 Islington St last sell?
No public-record sale is on file for 366 Islington St.
What is the current tax assessment for 366 Islington St?
The most recent total assessment for 366 Islington St (year 2025) is $1,328,000 with $15,285 in property tax.
When was 366 Islington St built?
366 Islington St was built in 1863.
How does 366 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 366 Islington St?
366 Islington St is a 4 bed, 2 bath, 2,160 sqft, 6,534 sqft lot single_family.
Is 366 Islington St a flip candidate?
No — 366 Islington St does not appear in our flips dataset.
Is 366 Islington St a tax-appeal candidate?
No — 366 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