42 Hartford Avenue Ext
Greenwich, CT 06830
4 bd 4 ba 5,386 sqft Built 1939 Lot 13,939 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 | $229,460 | $232,610 | $462,070 | $5,711 |
| 2023 | $229,460 | $232,610 | $462,070 | $5,377 |
| 2022 | $224,700 | $232,610 | $457,310 | $5,273 |
| 2021 | $286,370 | $193,760 | $480,130 | $5,781 |
| 2020 | $286,370 | $193,760 | $480,130 | $5,771 |
| 2019 | $286,370 | $193,760 | $480,130 | $5,829 |
| 2018 | $286,370 | $193,760 | $480,130 | $5,699 |
| 2017 | $273,910 | $193,760 | $467,670 | $5,621 |
| 2016 | $273,910 | $193,760 | $467,670 | $5,532 |
| 2015 | $169,820 | $321,020 | $490,840 | $5,823 |
| 2013 | $169,820 | $321,020 | $490,840 | $5,551 |
| 2006 | $201,600 | $421,610 | $623,210 | $4,892 |
| 2004 | $192,570 | $143,710 | $336,280 | $3,924 |
| 2003 | $192,570 | $143,710 | $336,280 | $3,797 |
Property facts
Year built
1939
Property type
single_family
Stories
—
Beds
4
Baths
4
Living area
5,386 sqft
Lot size
13,939 sqft
ZIP code
06830
City
Greenwich
Street
Hartford Avenue Ext
Coordinates
41.00710, -73.64847
Comparable properties nearby
Frequently asked questions
When did 42 Hartford Avenue Ext last sell?
No public-record sale is on file for 42 Hartford Avenue Ext.
What is the current tax assessment for 42 Hartford Avenue Ext?
The most recent total assessment for 42 Hartford Avenue Ext (year 2025) is $462,070 with $5,711 in property tax.
When was 42 Hartford Avenue Ext built?
42 Hartford Avenue Ext was built in 1939.
How does 42 Hartford Avenue Ext compare to others on Hartford Avenue Ext?
We do not currently track other properties on Hartford Avenue Ext.
What are the property facts for 42 Hartford Avenue Ext?
42 Hartford Avenue Ext is a 4 bed, 4 bath, 5,386 sqft, 13,939 sqft lot single_family.
Is 42 Hartford Avenue Ext a flip candidate?
No — 42 Hartford Avenue Ext does not appear in our flips dataset.
Is 42 Hartford Avenue Ext a tax-appeal candidate?
No — 42 Hartford 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
-3.1%
Implied 1-yr
-12.2%
2026 Q3
$4.87M
2026 Q4
$4.68M
ZIP 06830 — Median Price History + Forecast
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Geography