4 Union Ave
Norwalk, CT 06851
2 bd 2 ba 1,056 sqft Built 1978 townhomes
Most recent sale
$255,000
Sep 22, 2006
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Jan 29, 2025 | Sold | $321,000 | SMARTMLS |
| Nov 13, 2024 | Listed | $319,000 | SMARTMLS |
| Jul 1, 2022 | Sold | $270,000 | SMARTMLS |
| Apr 7, 2022 | Listed | $269,900 | MLS #170480281 |
| Sep 16, 2020 | Price changed | $224,900 | MLS #170317673 |
| Aug 10, 2020 | Price changed | $229,900 | MLS #170317673 |
| Jul 18, 2020 | Listed | $239,900 | MLS #170317673 |
| Sep 22, 2006 | Sold | $255,000 | Public Record |
| Mar 21, 2003 | Sold | $185,500 | Public Record |
| May 3, 2000 | Sold | $114,000 | Public Record |
| Dec 4, 1987 | Sold | $149,000 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $205,500 | — | $205,500 | $4,869 |
| 2023 | $133,480 | — | $133,480 | $3,322 |
| 2022 | $133,480 | — | $133,480 | $3,260 |
| 2021 | $133,480 | — | $133,480 | $2,791 |
| 2020 | $133,480 | — | $133,480 | $3,140 |
| 2019 | $133,480 | — | $133,480 | $3,104 |
| 2018 | $119,180 | — | $119,180 | $3,084 |
| 2017 | $119,180 | — | $119,180 | $2,975 |
| 2016 | $119,180 | — | $119,180 | $2,949 |
| 2015 | $119,180 | — | $119,180 | $3,024 |
| 2013 | $159,320 | — | $159,320 | $3,527 |
| 2006 | — | — | $106,452 | $2,465 |
| 2005 | $122,010 | — | $122,010 | $3,062 |
| 2004 | — | — | $52,464 | $1,423 |
| 2003 | $59,780 | — | $59,780 | $1,732 |
Property facts
Year built
1978
Property type
townhomes
Stories
2
Beds
2
Baths
2
Living area
1,056 sqft
Lot size
—
ZIP code
06851
City
Norwalk
Street
Union Ave
Coordinates
41.12428, -73.41500
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 4 Union Ave last sell?
4 Union Ave most recently sold on Sep 22, 2006 for $255,000.
What is the current tax assessment for 4 Union Ave?
The most recent total assessment for 4 Union Ave (year 2025) is $205,500 with $4,869 in property tax.
How does 4 Union Ave's assessment compare to its last sale price?
The current assessment is 19.4% below the last sale price of $255,000.
When was 4 Union Ave built?
4 Union Ave was built in 1978.
How does 4 Union Ave compare to others on Union Ave?
We track 8 other properties on Union Ave. Browse the list under "Other properties on Union Ave" to compare beds, baths, and sale history.
What are the property facts for 4 Union Ave?
4 Union Ave is a 2 bed, 2 bath, 1,056 sqft townhomes.
Is 4 Union Ave a flip candidate?
No — 4 Union Ave does not appear in our flips dataset.
Is 4 Union Ave a tax-appeal candidate?
No — 4 Union 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
+1.9%
Implied 1-yr
+7.6%
2026 Q3
$759.6K
2026 Q4
$772.4K
ZIP 06851 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Union Ave