21 Avalon Ln
Marlborough, CT 06447
5 bd 4 ba 5,369 sqft Built 2003 Lot 113,256 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 | $369,370 | $88,620 | $457,990 | $17,285 |
| 2023 | $369,390 | $88,600 | $457,990 | $15,906 |
| 2022 | $369,390 | $88,600 | $457,990 | $16,282 |
| 2021 | $369,390 | $88,600 | $457,990 | $16,414 |
| 2020 | $385,420 | $94,020 | $479,440 | $17,389 |
| 2019 | $398,090 | $94,010 | $492,100 | $18,331 |
| 2018 | $398,090 | $94,010 | $492,100 | $17,971 |
| 2017 | $398,090 | $94,010 | $492,100 | $17,450 |
| 2016 | $398,090 | $94,010 | $492,100 | $16,805 |
| 2015 | $405,580 | $98,210 | $503,790 | $16,570 |
| 2013 | $405,580 | $98,210 | $503,790 | $15,497 |
| 2006 | $428,050 | $119,490 | $547,540 | $13,530 |
| 2005 | $357,130 | $88,300 | $445,430 | $13,648 |
| 2003 | $149,200 | $88,300 | $237,500 | $6,721 |
Property facts
Year built
2003
Property type
single_family
Stories
—
Beds
5
Baths
4
Living area
5,369 sqft
Lot size
113,256 sqft
ZIP code
06447
City
Marlborough
Street
Avalon Ln
Coordinates
41.65060, -72.45529
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 21 Avalon Ln last sell?
No public-record sale is on file for 21 Avalon Ln.
What is the current tax assessment for 21 Avalon Ln?
The most recent total assessment for 21 Avalon Ln (year 2025) is $457,990 with $17,285 in property tax.
When was 21 Avalon Ln built?
21 Avalon Ln was built in 2003.
How does 21 Avalon Ln compare to others on Avalon Ln?
We track 8 other properties on Avalon Ln. Browse the list under "Other properties on Avalon Ln" to compare beds, baths, and sale history.
What are the property facts for 21 Avalon Ln?
21 Avalon Ln is a 5 bed, 4 bath, 5,369 sqft, 113,256 sqft lot single_family.
Is 21 Avalon Ln a flip candidate?
No — 21 Avalon Ln does not appear in our flips dataset.
Is 21 Avalon Ln a tax-appeal candidate?
No — 21 Avalon Ln is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+2.9%
Implied 1-yr
+11.6%
2026 Q3
$483.7K
2026 Q4
$495.5K
ZIP 06447 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Avalon Ln