21 Oak Park Ave
Darien, CT 06820
5 bd 5 ba 3,257 sqft Built 1951 Lot 28,314 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 | $882,700 | $623,070 | $1,505,770 | $23,309 |
| 2023 | $623,700 | $479,290 | $1,102,990 | $19,424 |
| 2022 | $623,700 | $479,290 | $1,102,990 | $19,005 |
| 2021 | $297,500 | $479,290 | $776,790 | $13,081 |
| 2020 | $297,500 | $479,290 | $776,790 | $12,708 |
| 2019 | $235,900 | $479,290 | $715,190 | $11,779 |
| 2018 | $268,030 | $532,560 | $800,590 | $12,873 |
| 2017 | $268,030 | $532,560 | $800,590 | $12,938 |
| 2016 | $268,030 | $532,560 | $800,590 | $12,625 |
| 2015 | $268,030 | $532,560 | $800,590 | $12,289 |
| 2013 | $254,310 | $485,450 | $739,760 | $9,743 |
| 2006 | $226,380 | $371,000 | $597,380 | $8,005 |
| 2005 | $323,400 | $530,000 | $853,400 | $11,111 |
| 2003 | $187,390 | $281,120 | $468,510 | $6,119 |
Property facts
Year built
1951
Property type
single_family
Stories
2
Beds
5
Baths
5
Living area
3,257 sqft
Lot size
28,314 sqft
ZIP code
06820
City
Darien
Street
Oak Park Ave
Coordinates
41.07321, -73.50264
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 21 Oak Park Ave last sell?
No public-record sale is on file for 21 Oak Park Ave.
What is the current tax assessment for 21 Oak Park Ave?
The most recent total assessment for 21 Oak Park Ave (year 2025) is $1,505,770 with $23,309 in property tax.
When was 21 Oak Park Ave built?
21 Oak Park Ave was built in 1951.
How does 21 Oak Park Ave compare to others on Oak Park Ave?
We track 5 other properties on Oak Park Ave. Browse the list under "Other properties on Oak Park Ave" to compare beds, baths, and sale history.
What are the property facts for 21 Oak Park Ave?
21 Oak Park Ave is a 5 bed, 5 bath, 3,257 sqft, 28,314 sqft lot single_family.
Is 21 Oak Park Ave a flip candidate?
No — 21 Oak Park Ave does not appear in our flips dataset.
Is 21 Oak Park Ave a tax-appeal candidate?
No — 21 Oak Park 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
-1.5%
Implied 1-yr
-6.0%
2026 Q3
$2.56M
2026 Q4
$2.52M
ZIP 06820 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Oak Park Ave