Harold St, Cos Cob, CT Property Records

Greenwich Town property records for 31 addresses on Harold St, Cos Cob, CT · Last verified August 2026

Harold St Highlights

Properties 35
Median Sale Price $1,100,000
Deeds and Mortgages on File 33
Median Price per Sqft $414
Owner Occupied 69%
Median Annual Tax Bill $7,341
Median Year Built 1956
Median Ownership Tenure 11 years

Properties on Harold St

Owner names and prior sale amounts shown locked below are available instantly with a free trial.

3 Harold St

0.01 acres

Last Sale Tax Bill Prior Sale Owner Records
$100,000Nov 2008 $2152025 2 Names on Record AssessorUpdated Jul 2026

7 Harold St

2 bd · 1 ba · 900 sqft · built 1925 · 0.16 acres

Last Sale Tax Bill Prior Sale Owner Records
$31,165Nov 1994 $5,9402025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

12 Harold St

3 bd · 1 ba · 1,684 sqft · built 1933 · 0.119 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,4072025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

13 Harold St, #1

3 bd · 2.5 ba · 2,016 sqft · built 1989 · 0.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,4692025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

13 Harold St, #2

3 bd · 2.5 ba · 2,514 sqft · built 1989

Last Sale Tax Bill Prior Sale Owner Records
$6,6362025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

15 Harold St, #1

3 bd · 2.5 ba · 2,466 sqft · built 1989 · 0.16 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,8082025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

15 Harold St, #2

4 bd · 3.5 ba · 2,514 sqft · built 1989

Last Sale Tax Bill Prior Sale Owner Records
$7,0602025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

16 Harold St

7 bd · 4 ba · 4,218 sqft · built 1928 · 0.239 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,260,000May 2022 $12,1752025 1 Name on Record Assessor + 3 DocumentsUpdated Jul 2026

17 Harold St

3 bd · 3.5 ba · 1,457 sqft · built 1926 · 0.139 acres

Last Sale Tax Bill Prior Sale Owner Records
$670,000May 2015 $6,7412025 Amount on Record Jul 2002 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

18 Harold St

6 bd · 2.5 ba · 2,885 sqft · built 1977 · 0.16 acres

Last Sale Tax Bill Prior Sale Owner Records
$805,000Aug 2005 $7,8322025 2 Names on Record AssessorUpdated Jul 2026

19 Harold St

4 bd · 2 ba · 2,369 sqft · built 1925 · 0.139 acres

Last Sale Tax Bill Prior Sale Owner Records
$8,0092025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

21 Harold St

3 bd · 2 ba · 1,957 sqft · built 1956 · 0.139 acres

Last Sale Tax Bill Prior Sale Owner Records
$565,000May 2013 $6,9272025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

23 Harold St

3 bd · 3.5 ba · 2,661 sqft · built 1928 · 0.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$275,000Dec 1996 $8,3182025 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

24 Harold St

5 units · Built 2017 · 2,472 sq ft

Last Sale Median Tax Bill Median Sale    
$950,000Apr 2019 $8,0262025 $935,0005 units    

25 Harold St

6 bd · 2 ba · 2,776 sqft · built 1928 · 0.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$10,000May 2011 $7,8322025 Amount on Record — 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

27 Harold St

5 bd · 2 ba · 1,953 sqft · built 1928 · 0.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$7,4872025 2 Names on Record AssessorUpdated Jul 2026

30 Harold St

3 bd · 2.5 ba · 2,092 sqft · built 1928 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,400,000Jun 2012 $7,3412025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

32 Harold St

6 bd · 5 ba · 3,622 sqft · built 2003 · 0.119 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,500,000Dec 2020 $12,1812025 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

33 Harold St

3 bd · 2 ba · 1,708 sqft · built 1953 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$857,500Aug 2022 $7,5752025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

34 Harold St

4 bd · 2 ba · 1,512 sqft · built 1928 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,8672025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

35 Harold St

3 bd · 3.5 ba · 2,086 sqft · built 1948 · 0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$290,000Jun 2013 $8,4232025 Amount on Record May 1989 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

37 Harold St

6 bd · 3.5 ba · 3,114 sqft · built 1906 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,114,405Jun 2022 $7,6432025 Amount on Record Oct 2007 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

39 Harold St

3 bd · 1.5 ba · 1,558 sqft · built 1915 · 0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,1422025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

40 Harold St

3 bd · 2.5 ba · 2,064 sqft · built 1900 · 0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$260,000Oct 1994 $7,3622025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

41 Harold St, #A

3 bd · 3.5 ba · 1,958 sqft · built 2007 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$659,900Sep 2015 $5,3882025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

41 Harold St, #B

3 bd · 3.5 ba · 1,958 sqft · built 2007

Last Sale Tax Bill Prior Sale Owner Records
$885,000Aug 2022 $5,5722025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

43 Harold St, #A

3 bd · 3.5 ba · 1,958 sqft · built 2007 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$649,000Sep 2015 $5,3882025 Amount on Record Aug 2006 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

43 Harold St, #B

3 bd · 3.5 ba · 1,958 sqft · built 2007

Last Sale Tax Bill Prior Sale Owner Records
$1,100,000Jul 2025 $5,5722025 Amount on Record Feb 2022 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

49 Harold St, Apt 2

2 bd · 3.5 ba · 1,428 sqft · built 2006

Last Sale Tax Bill Prior Sale Owner Records
$5,7602025 2 Names on Record AssessorUpdated Jul 2026

51 Harold St

2 bd · 2.5 ba · 2,038 sqft · built 1918 · 0.119 acres

Last Sale Tax Bill Prior Sale Owner Records
$705,000Sep 2019 $6,6942025 Amount on Record Nov 1999 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

56 Harold St

7 bd · 2.5 ba · 3,026 sqft · built 1928 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,154,400Nov 2007 $9,6892025 Amount on Record Feb 2007 1 Name on Record AssessorUpdated Jul 2026

Wildfire Risk on Harold St

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire RiskLow
this street's cells rank above 2% of the US · above 3% of Connecticut
Wildfire LikelihoodLess than 1 in 10,000 per year
ExposureDirect
2 of 3 cells directly exposed · 2 adjoin burnable vegetation

Property Records in Nearby Streets