12 Union Ave
Norwalk, CT 06851
3 bd 2 ba 1,333 sqft Built 1920 Lot 6,534 sqft single_family
Most recent sale
$525,000
May 23, 2022
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Jul 24, 2024 | Sold | $605,000 | SMARTMLS |
| Jun 6, 2024 | Listed | $585,000 | SMARTMLS |
| May 23, 2022 | Sold | $525,000 | Public Record |
| May 18, 2022 | Sold | $525,000 | SMARTMLS |
| Mar 25, 2022 | Listed | $489,000 | MLS #115342 |
| Mar 24, 2022 | Listed | $489,000 | MLS #170465061 |
| Mar 19, 2003 | Sold | $323,500 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $224,900 | $132,160 | $357,060 | $8,534 |
| 2023 | $117,490 | $103,840 | $221,330 | $5,552 |
| 2022 | $117,490 | $103,840 | $221,330 | $5,433 |
| 2021 | $117,490 | $103,840 | $221,330 | $5,305 |
| 2020 | $117,490 | $103,840 | $221,330 | $5,302 |
| 2019 | $117,490 | $103,840 | $221,330 | $5,160 |
| 2018 | $97,180 | $107,730 | $204,910 | $5,452 |
| 2017 | $97,180 | $107,730 | $204,910 | $5,262 |
| 2016 | $97,180 | $107,730 | $204,910 | $5,213 |
| 2015 | $95,930 | $107,730 | $203,660 | $5,167 |
| 2013 | $113,470 | $140,350 | $253,820 | $5,620 |
| 2006 | — | — | $169,680 | $3,930 |
| 2005 | $83,930 | $107,660 | $191,590 | $4,809 |
| 2004 | — | — | $77,010 | $2,089 |
| 2003 | $59,640 | $44,310 | $103,950 | $3,011 |
Property facts
Year built
1920
Property type
single_family
Stories
—
Beds
3
Baths
2
Living area
1,333 sqft
Lot size
6,534 sqft
ZIP code
06851
City
Norwalk
Street
Union Ave
Coordinates
41.12506, -73.41501
Comparable properties nearby
Investment analysis
Estimates based on local averages — not personalized adviceEstimated monthly rent
$2,000
Gross rental yield
4.57%
Implied cap rate
2.97%
Trend-extrapolated value
—
Frequently asked questions
When did 12 Union Ave last sell?
12 Union Ave most recently sold on May 23, 2022 for $525,000.
What is the current tax assessment for 12 Union Ave?
The most recent total assessment for 12 Union Ave (year 2025) is $357,060 with $8,534 in property tax.
How does 12 Union Ave's assessment compare to its last sale price?
The current assessment is 32.0% below the last sale price of $525,000.
When was 12 Union Ave built?
12 Union Ave was built in 1920.
How does 12 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 12 Union Ave?
12 Union Ave is a 3 bed, 2 bath, 1,333 sqft, 6,534 sqft lot single_family.
Is 12 Union Ave a flip candidate?
No — 12 Union Ave does not appear in our flips dataset.
Is 12 Union Ave a tax-appeal candidate?
No — 12 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