20 Island Ave
Groton, CT 06340
3 bd 2 ba 1,673 sqft Built 1898 Lot 3,049 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 | $93,443 | $82,467 | $175,910 | $5,086 |
| 2023 | $133,490 | $42,420 | $175,910 | $4,538 |
| 2022 | $133,490 | $42,420 | $175,910 | $4,389 |
| 2021 | $105,840 | $52,360 | $158,200 | $4,790 |
| 2020 | $105,840 | $52,360 | $158,200 | $4,653 |
| 2019 | $105,840 | $52,360 | $158,200 | $4,504 |
| 2018 | $105,840 | $52,360 | $158,200 | $4,548 |
| 2017 | $105,840 | $52,360 | $158,200 | $4,564 |
| 2016 | $96,390 | $70,350 | $166,740 | $4,529 |
| 2015 | $96,390 | $70,350 | $166,740 | $4,472 |
| 2013 | $96,390 | $70,350 | $166,740 | $4,221 |
| 2006 | $47,530 | $80,080 | $127,610 | $3,696 |
| 2005 | $47,530 | $80,080 | $127,610 | $3,045 |
| 2003 | $47,530 | $80,080 | $127,610 | $3,530 |
Property facts
Year built
1898
Property type
single_family
Stories
—
Beds
3
Baths
2
Living area
1,673 sqft
Lot size
3,049 sqft
ZIP code
06340
City
Groton
Street
Island Ave
Coordinates
41.32267, -72.07284
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 20 Island Ave last sell?
No public-record sale is on file for 20 Island Ave.
What is the current tax assessment for 20 Island Ave?
The most recent total assessment for 20 Island Ave (year 2025) is $175,910 with $5,086 in property tax.
When was 20 Island Ave built?
20 Island Ave was built in 1898.
How does 20 Island Ave compare to others on Island Ave?
We track 7 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 20 Island Ave?
20 Island Ave is a 3 bed, 2 bath, 1,673 sqft, 3,049 sqft lot single_family.
Is 20 Island Ave a flip candidate?
No — 20 Island Ave does not appear in our flips dataset.
Is 20 Island Ave a tax-appeal candidate?
No — 20 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
-4.8%
Implied 1-yr
-19.0%
2026 Q3
$390K
2026 Q4
$390K
ZIP 06340 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Island Ave