21 South Ave
New Canaan, CT 06840
2 ba 3,456 sqft Built 1986 Lot 2,178 sqft other
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 | $383,460 | $1,190,700 | $1,574,160 | $26,273 |
| 2023 | $344,680 | $1,312,220 | $1,656,900 | $31,382 |
| 2022 | $344,680 | $1,312,220 | $1,656,900 | $30,437 |
| 2021 | $344,680 | $1,312,220 | $1,656,900 | $30,089 |
| 2020 | $344,680 | $1,312,220 | $1,656,900 | $30,089 |
| 2019 | $344,680 | $1,312,220 | $1,656,900 | $30,222 |
| 2018 | $343,490 | $1,249,150 | $1,592,640 | $28,043 |
| 2017 | $343,490 | $1,249,150 | $1,592,640 | $27,535 |
| 2016 | $343,490 | $1,249,150 | $1,592,640 | $26,909 |
| 2015 | $343,490 | $1,249,150 | $1,592,640 | $26,377 |
| 2013 | $284,340 | $1,022,000 | $1,306,340 | $19,886 |
| 2006 | $287,400 | $567,800 | $855,200 | $12,554 |
| 2005 | $287,400 | $567,800 | $855,200 | $11,964 |
| 2004 | $287,400 | $567,800 | $855,200 | $11,314 |
| 2003 | $356,860 | $497,770 | $854,630 | $11,956 |
Property facts
Year built
1986
Property type
other
Stories
2
Beds
—
Baths
2
Living area
3,456 sqft
Lot size
2,178 sqft
ZIP code
06840
City
New Canaan
Street
South Ave
Coordinates
41.14611, -73.49334
Comparable properties nearby
Frequently asked questions
When did 21 South Ave last sell?
No public-record sale is on file for 21 South Ave.
What is the current tax assessment for 21 South Ave?
The most recent total assessment for 21 South Ave (year 2025) is $1,574,160 with $26,273 in property tax.
When was 21 South Ave built?
21 South Ave was built in 1986.
How does 21 South Ave compare to others on South Ave?
We track 8 other properties on South Ave. Browse the list under "Other properties on South Ave" to compare beds, baths, and sale history.
What are the property facts for 21 South Ave?
21 South Ave is a 2 bath, 3,456 sqft, 2,178 sqft lot other.
Is 21 South Ave a flip candidate?
No — 21 South Ave does not appear in our flips dataset.
Is 21 South Ave a tax-appeal candidate?
No — 21 South 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
-0.2%
Implied 1-yr
-0.8%
2026 Q3
$2.61M
2026 Q4
$2.61M
ZIP 06840 — Median Price History + Forecast
Explore nearby
Geography
Other properties on South Ave