18 Island Ave
Portsmouth, RI 02871
3 bd 1 ba 1,192 sqft Built 1945 Lot 7,405 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 | $167,700 | $125,100 | $292,800 | $3,888 |
| 2023 | $167,700 | $125,100 | $292,800 | $3,742 |
| 2022 | $132,600 | $103,600 | $236,200 | $3,675 |
| 2021 | $132,600 | $103,600 | $236,200 | $3,616 |
| 2020 | $132,600 | $103,600 | $236,200 | $3,560 |
| 2019 | $103,900 | $63,900 | $167,800 | $2,752 |
| 2018 | $103,900 | $63,900 | $167,800 | $2,680 |
| 2017 | $103,900 | $63,900 | $167,800 | $2,587 |
| 2016 | $69,600 | $67,300 | $136,900 | $2,190 |
| 2015 | $69,600 | $67,300 | $136,900 | $2,163 |
| 2014 | $69,600 | $67,300 | $136,900 | $2,163 |
| 2013 | $83,400 | $85,100 | $168,500 | $2,448 |
| 2006 | $92,800 | $91,000 | $183,800 | $1,976 |
Property facts
Year built
1945
Property type
single_family
Stories
1
Beds
3
Baths
1
Living area
1,192 sqft
Lot size
7,405 sqft
ZIP code
02871
City
Portsmouth
Street
Island Ave
Coordinates
41.62361, -71.22900
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 18 Island Ave last sell?
No public-record sale is on file for 18 Island Ave.
What is the current tax assessment for 18 Island Ave?
The most recent total assessment for 18 Island Ave (year 2025) is $292,800 with $3,888 in property tax.
When was 18 Island Ave built?
18 Island Ave was built in 1945.
How does 18 Island Ave compare to others on Island Ave?
We track 8 other properties on Island Ave. Browse the list under "Other properties on Island Ave" to compare beds, baths, and sale history.
What are the property facts for 18 Island Ave?
18 Island Ave is a 3 bed, 1 bath, 1,192 sqft, 7,405 sqft lot single_family.
Is 18 Island Ave a flip candidate?
No — 18 Island Ave does not appear in our flips dataset.
Is 18 Island Ave a tax-appeal candidate?
No — 18 Island 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
+4.7%
Implied 1-yr
+18.9%
2026 Q3
$1.67M
2026 Q4
$1.73M
ZIP 02871 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Island Ave