312 Portland Avenue Ext
Old Lyme, CT 06371
2 bd 1 ba 1,108 sqft Built 1938 Lot 5,227 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 | $121,400 | $77,400 | $198,800 | $3,227 |
| 2023 | $58,500 | $53,200 | $111,700 | $2,625 |
| 2022 | $58,500 | $53,200 | $111,700 | $2,625 |
| 2021 | $58,500 | $53,200 | $111,700 | $2,603 |
| 2020 | $58,500 | $53,200 | $111,700 | $2,591 |
| 2019 | $66,700 | $56,000 | $122,700 | $2,750 |
| 2018 | $66,700 | $56,000 | $122,700 | $2,688 |
| 2017 | $66,700 | $56,000 | $122,700 | $2,669 |
| 2016 | $66,700 | $56,000 | $122,700 | $2,601 |
| 2015 | $66,700 | $56,000 | $122,700 | $2,530 |
| 2013 | $77,100 | $58,700 | $135,800 | $2,621 |
| 2006 | $59,100 | $64,500 | $123,600 | $2,200 |
| 2005 | $59,100 | $64,500 | $123,600 | $2,052 |
| 2004 | $36,800 | $30,600 | $67,400 | $1,719 |
| 2003 | $36,800 | $30,600 | $67,400 | $1,591 |
Property facts
Year built
1938
Property type
single_family
Stories
1
Beds
2
Baths
1
Living area
1,108 sqft
Lot size
5,227 sqft
ZIP code
06371
City
Old Lyme
Street
Portland Avenue Ext
Coordinates
41.29127, -72.27955
Comparable properties nearby
Frequently asked questions
When did 312 Portland Avenue Ext last sell?
No public-record sale is on file for 312 Portland Avenue Ext.
What is the current tax assessment for 312 Portland Avenue Ext?
The most recent total assessment for 312 Portland Avenue Ext (year 2025) is $198,800 with $3,227 in property tax.
When was 312 Portland Avenue Ext built?
312 Portland Avenue Ext was built in 1938.
How does 312 Portland Avenue Ext compare to others on Portland Avenue Ext?
We do not currently track other properties on Portland Avenue Ext.
What are the property facts for 312 Portland Avenue Ext?
312 Portland Avenue Ext is a 2 bed, 1 bath, 1,108 sqft, 5,227 sqft lot single_family.
Is 312 Portland Avenue Ext a flip candidate?
No — 312 Portland Avenue Ext does not appear in our flips dataset.
Is 312 Portland Avenue Ext a tax-appeal candidate?
No — 312 Portland Avenue Ext is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+3.9%
Implied 1-yr
+15.8%
2026 Q3
$1.02M
2026 Q4
$1.05M
ZIP 06371 — Median Price History + Forecast
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Geography