15 Serenity Ln
Cos Cob, CT 06807
4 bd 4 ba 3,096 sqft Built 1968 Lot 44,867 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 | $754,110 | $656,810 | $1,410,920 | $17,438 |
| 2023 | $685,020 | $656,810 | $1,341,830 | $15,614 |
| 2022 | $685,020 | $656,810 | $1,341,830 | $15,471 |
| 2021 | $651,350 | $539,070 | $1,190,420 | $14,333 |
| 2020 | $265,580 | $539,070 | $804,650 | $9,672 |
| 2019 | $265,580 | $539,070 | $804,650 | $9,768 |
| 2018 | $265,580 | $539,070 | $804,650 | $9,551 |
| 2017 | $265,580 | $539,070 | $804,650 | $9,671 |
| 2016 | $265,580 | $539,070 | $804,650 | $9,518 |
| 2015 | $148,260 | $591,640 | $739,900 | $8,777 |
| 2013 | $142,520 | $591,640 | $734,160 | $8,303 |
| 2006 | $140,910 | $812,560 | $953,470 | $7,485 |
| 2004 | $180,880 | $371,560 | $552,440 | $6,143 |
| 2003 | $180,880 | $371,560 | $552,440 | $5,939 |
Property facts
Year built
1968
Property type
single_family
Stories
2
Beds
4
Baths
4
Living area
3,096 sqft
Lot size
44,867 sqft
ZIP code
06807
City
Cos Cob
Street
Serenity Ln
Coordinates
41.07132, -73.58256
Comparable properties nearby
Frequently asked questions
When did 15 Serenity Ln last sell?
No public-record sale is on file for 15 Serenity Ln.
What is the current tax assessment for 15 Serenity Ln?
The most recent total assessment for 15 Serenity Ln (year 2025) is $1,410,920 with $17,438 in property tax.
When was 15 Serenity Ln built?
15 Serenity Ln was built in 1968.
How does 15 Serenity Ln compare to others on Serenity Ln?
We do not currently track other properties on Serenity Ln.
What are the property facts for 15 Serenity Ln?
15 Serenity Ln is a 4 bed, 4 bath, 3,096 sqft, 44,867 sqft lot single_family.
Is 15 Serenity Ln a flip candidate?
No — 15 Serenity Ln does not appear in our flips dataset.
Is 15 Serenity Ln a tax-appeal candidate?
No — 15 Serenity 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
+4.5%
Implied 1-yr
+17.8%
2025 Q4
$2.1M
2026 Q1
$2.17M
ZIP 06807 — Median Price History + Forecast
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Geography