21 River Ave
Greenwich, CT 06830
2 bd 1 ba 1,260 sqft Built 1944 Lot 8,276 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 | $81,690 | $334,810 | $416,500 | $5,148 |
| 2023 | $81,690 | $334,810 | $416,500 | $4,846 |
| 2022 | $80,150 | $334,810 | $414,960 | $4,784 |
| 2021 | $80,360 | $273,840 | $354,200 | $4,265 |
| 2020 | $80,360 | $273,840 | $354,200 | $4,257 |
| 2019 | $80,360 | $273,840 | $354,200 | $4,300 |
| 2018 | $80,360 | $273,840 | $354,200 | $4,204 |
| 2017 | $80,360 | $273,840 | $354,200 | $4,257 |
| 2016 | $80,360 | $273,840 | $354,200 | $4,190 |
| 2015 | $43,540 | $324,170 | $367,710 | $4,362 |
| 2013 | $43,540 | $324,170 | $367,710 | $4,159 |
| 2006 | $35,280 | $314,580 | $349,860 | $2,746 |
| 2004 | $88,060 | $137,690 | $225,750 | $2,635 |
| 2003 | $88,060 | $137,690 | $225,750 | $2,549 |
Property facts
Year built
1944
Property type
single_family
Stories
2
Beds
2
Baths
1
Living area
1,260 sqft
Lot size
8,276 sqft
ZIP code
06830
City
Greenwich
Street
River Ave
Coordinates
40.99573, -73.65667
Comparable properties nearby
Frequently asked questions
When did 21 River Ave last sell?
No public-record sale is on file for 21 River Ave.
What is the current tax assessment for 21 River Ave?
The most recent total assessment for 21 River Ave (year 2025) is $416,500 with $5,148 in property tax.
When was 21 River Ave built?
21 River Ave was built in 1944.
How does 21 River Ave compare to others on River Ave?
We track 1 other property on River Ave. Browse the list under "Other properties on River Ave" to compare beds, baths, and sale history.
What are the property facts for 21 River Ave?
21 River Ave is a 2 bed, 1 bath, 1,260 sqft, 8,276 sqft lot single_family.
Is 21 River Ave a flip candidate?
No — 21 River Ave does not appear in our flips dataset.
Is 21 River Ave a tax-appeal candidate?
No — 21 River 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
-3.1%
Implied 1-yr
-12.2%
2026 Q3
$4.87M
2026 Q4
$4.68M
ZIP 06830 — Median Price History + Forecast
Explore nearby
Geography
Other properties on River Ave