21 Charles St
Darien, CT 06820
4 bd 2 ba 1,666 sqft Built 1948 Lot 10,019 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 | $177,170 | $395,640 | $572,810 | $8,867 |
| 2023 | $128,590 | $376,810 | $505,400 | $8,900 |
| 2022 | $128,590 | $376,810 | $505,400 | $8,708 |
| 2021 | $128,590 | $376,810 | $505,400 | $8,511 |
| 2020 | $128,590 | $376,810 | $505,400 | $8,268 |
| 2019 | $128,590 | $376,810 | $505,400 | $8,324 |
| 2018 | $139,930 | $311,150 | $451,080 | $7,253 |
| 2017 | $139,930 | $311,150 | $451,080 | $7,289 |
| 2016 | $139,930 | $311,150 | $451,080 | $7,114 |
| 2015 | $139,930 | $311,150 | $451,080 | $6,924 |
| 2013 | $112,070 | $343,700 | $455,770 | $6,002 |
| 2006 | $118,090 | $249,760 | $367,850 | $4,929 |
| 2005 | $168,700 | $356,800 | $525,500 | $6,842 |
| 2003 | $85,330 | $131,320 | $216,650 | $2,829 |
Property facts
Year built
1948
Property type
single_family
Stories
1
Beds
4
Baths
2
Living area
1,666 sqft
Lot size
10,019 sqft
ZIP code
06820
City
Darien
Street
Charles St
Coordinates
41.07168, -73.50097
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 21 Charles St last sell?
No public-record sale is on file for 21 Charles St.
What is the current tax assessment for 21 Charles St?
The most recent total assessment for 21 Charles St (year 2025) is $572,810 with $8,867 in property tax.
When was 21 Charles St built?
21 Charles St was built in 1948.
How does 21 Charles St compare to others on Charles St?
We track 2 other properties on Charles St. Browse the list under "Other properties on Charles St" to compare beds, baths, and sale history.
What are the property facts for 21 Charles St?
21 Charles St is a 4 bed, 2 bath, 1,666 sqft, 10,019 sqft lot single_family.
Is 21 Charles St a flip candidate?
No — 21 Charles St does not appear in our flips dataset.
Is 21 Charles St a tax-appeal candidate?
No — 21 Charles St 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 Charles St