21 Grove St
Cos Cob, CT 06807
2 bd 1 ba 709 sqft Built 1925 Lot 9,148 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 | $79,660 | $438,970 | $518,630 | $6,410 |
| 2023 | $51,590 | $438,970 | $490,560 | $5,708 |
| 2022 | $51,590 | $438,970 | $490,560 | $5,656 |
| 2021 | $69,020 | $361,130 | $430,150 | $5,179 |
| 2020 | $53,690 | $361,130 | $414,820 | $4,986 |
| 2019 | $53,690 | $361,130 | $414,820 | $5,036 |
| 2018 | $53,690 | $361,130 | $414,820 | $4,924 |
| 2017 | $52,780 | $361,130 | $413,910 | $4,975 |
| 2016 | $52,780 | $361,130 | $413,910 | $4,896 |
| 2015 | $42,420 | $405,230 | $447,650 | $5,310 |
| 2013 | $42,420 | $405,230 | $447,650 | $5,063 |
| 2006 | $23,450 | $488,040 | $511,490 | $4,015 |
| 2004 | $46,270 | $163,520 | $209,790 | $2,448 |
| 2003 | $46,270 | $163,520 | $209,790 | $2,369 |
Property facts
Year built
1925
Property type
single_family
Stories
1
Beds
2
Baths
1
Living area
709 sqft
Lot size
9,148 sqft
ZIP code
06807
City
Cos Cob
Street
Grove St
Coordinates
41.04415, -73.59722
Comparable properties nearby
Frequently asked questions
When did 21 Grove St last sell?
No public-record sale is on file for 21 Grove St.
What is the current tax assessment for 21 Grove St?
The most recent total assessment for 21 Grove St (year 2025) is $518,630 with $6,410 in property tax.
When was 21 Grove St built?
21 Grove St was built in 1925.
How does 21 Grove St compare to others on Grove St?
We track 4 other properties on Grove St. Browse the list under "Other properties on Grove St" to compare beds, baths, and sale history.
What are the property facts for 21 Grove St?
21 Grove St is a 2 bed, 1 bath, 709 sqft, 9,148 sqft lot single_family.
Is 21 Grove St a flip candidate?
No — 21 Grove St does not appear in our flips dataset.
Is 21 Grove St a tax-appeal candidate?
No — 21 Grove 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
+4.5%
Implied 1-yr
+17.8%
2025 Q4
$2.1M
2026 Q1
$2.17M
ZIP 06807 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Grove St