37 Harold St
Cos Cob, CT 06807
6 bd 4 ba 3,114 sqft Built 1906 Lot 4,792 sqft multi_family
Most recent sale
$1,114,405
Jun 21, 2022
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Jul 31, 2023 | Listing removed | $1,850 | SMARTMLS |
| Jun 21, 2022 | Sold | $1,114,405 | Public Record |
| Jun 8, 2022 | Listed for rent | $1,850 | Greenwich |
| Mar 21, 2022 | Price changed | $1,129,000 | MLS #115151 |
| Feb 24, 2022 | Listed | $1,197,500 | MLS #H6168365 |
| Oct 19, 2007 | Sold | $325,000 | Public Record |
| May 16, 2007 | Sold | $765,000 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $204,330 | $414,050 | $618,380 | $7,643 |
| 2023 | $204,330 | $414,050 | $618,380 | $7,195 |
| 2022 | $178,290 | $414,050 | $592,340 | $6,830 |
| 2021 | $128,170 | $348,810 | $476,980 | $5,743 |
| 2020 | $128,170 | $348,810 | $476,980 | $5,733 |
| 2019 | $128,170 | $348,810 | $476,980 | $5,791 |
| 2018 | $123,130 | $348,810 | $471,940 | $5,602 |
| 2017 | $123,130 | $348,810 | $471,940 | $5,672 |
| 2016 | $123,130 | $348,810 | $471,940 | $5,583 |
| 2015 | $119,350 | $316,330 | $435,680 | $5,168 |
| 2013 | $119,350 | $316,330 | $435,680 | $4,928 |
| 2006 | $185,080 | $339,710 | $524,790 | $4,120 |
| 2004 | $258,790 | $139,090 | $397,880 | $4,643 |
| 2003 | $258,790 | $139,090 | $397,880 | $4,492 |
Property facts
Year built
1906
Property type
multi_family
Stories
2
Beds
6
Baths
4
Living area
3,114 sqft
Lot size
4,792 sqft
ZIP code
06807
City
Cos Cob
Street
Harold St
Coordinates
41.04366, -73.59273
Comparable properties nearby
Investment analysis
Estimates based on local averages — not personalized adviceEstimated monthly rent
$4,671
Gross rental yield
5.03%
Implied cap rate
3.27%
Trend-extrapolated value
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Frequently asked questions
When did 37 Harold St last sell?
37 Harold St most recently sold on Jun 21, 2022 for $1,114,405.
What is the current tax assessment for 37 Harold St?
The most recent total assessment for 37 Harold St (year 2025) is $618,380 with $7,643 in property tax.
How does 37 Harold St's assessment compare to its last sale price?
The current assessment is 44.5% below the last sale price of $1,114,405.
When was 37 Harold St built?
37 Harold St was built in 1906.
How does 37 Harold St compare to others on Harold St?
We track 8 other properties on Harold St. Browse the list under "Other properties on Harold St" to compare beds, baths, and sale history.
What are the property facts for 37 Harold St?
37 Harold St is a 6 bed, 4 bath, 3,114 sqft, 4,792 sqft lot multi_family.
Is 37 Harold St a flip candidate?
No — 37 Harold St does not appear in our flips dataset.
Is 37 Harold St a tax-appeal candidate?
No — 37 Harold 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 Harold St