Old Greenwich, CT Real Estate & Property Data

Old Greenwich Real Estate Market Trends
Last Updated: August 30, 2025

Accurate and comprehensive real estate data is critical for insight into Old Greenwich, CT 06870. ATTOM’s Old Greenwich real estate data is updated daily, and current market trends show that in Old Greenwich, CT a total of 119 residential properties have sold over the past year. With a median home price of $2,450,000 in Old Greenwich. Get detailed property data for Old Greenwich, CT instantly. ATTOM is your one-stop-shop for the Old Greenwich property reports and real estate data you need in Old Greenwich, CT.

Old Greenwich Real Estate Market Trends
Total Residential Properties 2,715
Total Commercial Properties 69
Avg. Home Age (Single Family Home) 64 Years
Avg. Square Feet (Single Family Home) 2,995
Total 2025 Residential Sales (year-to-date) 50
% of Homes Seriously Underwater (Q3 2025) 0.63%
Total 2024 Residential Sales 115
% of Equity Rich Homes (Q3 2025) 51.89%
Effective 2024 Property Tax 0.61%
Total Foreclosure Filings (year-to-date) 3
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Old Greenwich, CT 06870 Real Estate Overview

There were 119 residential properties sold in the past year in Old Greenwich, CT 06870. The median home value in Old Greenwich, CT 06870 is $2,295,000. There are a total of 2,715 residential properties in the 06870.

Median Sales Price i
$2,450,000
(Jun 2025)
+16.7%
year-over-year
y-o-y
  • June '25 Jun '25 $2,450,000
  • May '25 May '25 $3,252,500
  • April '25 Apr '25 $4,550,000
  • March '25 Mar '25 $1,900,000
  • February '25 Feb '25 $2,850,000
  • January '25 Jan '25 $2,065,000
  • December '24 Dec '24 $2,775,000
  • November '24 Nov '24 $2,232,500
  • October '24 Oct '24 $2,485,800
  • September '24 Sep '24 $5,500,000
  • August '24 Aug '24 $2,110,000
  • July '24 Jul '24 $1,725,000
Median Down Payment i
$1,427,500
(Jun 2025)
+96.2%
year-over-year
y-o-y
  • June '25 Jun '25 $1,427,500
  • May '25 May '25 $1,647,500
  • April '25 Apr '25 $2,100,000
  • March '25 Mar '25 $687,500
  • February '25 Feb '25 $800,000
  • January '25 Jan '25 $540,000
  • December '24 Dec '24 $832,500
  • November '24 Nov '24 $486,500
  • October '24 Oct '24 $497,160
  • September '24 Sep '24 $2,000,000
  • August '24 Aug '24 $330,000
  • July '24 Jul '24 $607,750
Number of Homes Sold i
15
(Jun 2025)
year-over-year
y-o-y
  • June '25 Jun '25 15
  • May '25 May '25 11
  • April '25 Apr '25 7
  • March '25 Mar '25 3
  • February '25 Feb '25 6
  • January '25 Jan '25 8
  • December '24 Dec '24 7
  • November '24 Nov '24 6
  • October '24 Oct '24 8
  • September '24 Sep '24 9
  • August '24 Aug '24 14
  • July '24 Jul '24 10
Number of Purchase Loans i
10
(Jun 2025)
+11.1%
year-over-year
y-o-y
  • June '25 Jun '25 10
  • May '25 May '25 9
  • April '25 Apr '25 3
  • March '25 Mar '25 3
  • February '25 Feb '25 1
  • January '25 Jan '25 3
  • December '24 Dec '24 3
  • November '24 Nov '24 3
  • October '24 Oct '24 6
  • September '24 Sep '24 3
  • August '24 Aug '24 9
  • July '24 Jul '24 4
Number of REFI Loans i
6
(Jun 2025)
-14.3%
year-over-year
y-o-y
  • June '25 Jun '25 6
  • May '25 May '25 9
  • April '25 Apr '25 4
  • March '25 Mar '25 7
  • February '25 Feb '25 5
  • January '25 Jan '25 6
  • December '24 Dec '24 4
  • November '24 Nov '24 10
  • October '24 Oct '24 17
  • September '24 Sep '24 7
  • August '24 Aug '24 8
  • July '24 Jul '24 6
Number of HELOC Loans i
  • June '25 Jun '25 N/A
  • May '25 May '25 N/A
  • April '25 Apr '25 N/A
  • March '25 Mar '25 1
  • February '25 Feb '25 N/A
  • January '25 Jan '25 N/A
  • December '24 Dec '24 N/A
  • November '24 Nov '24 3
  • October '24 Oct '24 N/A
  • September '24 Sep '24 N/A
  • August '24 Aug '24 N/A
  • July '24 Jul '24 N/A

Old Greenwich, CT 06870 Foreclosure Activity

Total Foreclosure Filings i
  • June '25 Jun '25 N/A
  • May '25 May '25 1
  • April '25 Apr '25 N/A
  • March '25 Mar '25 2
  • February '25 Feb '25 N/A
  • January '25 Jan '25 N/A
  • December '24 Dec '24 1
  • November '24 Nov '24 N/A
  • October '24 Oct '24 N/A
  • September '24 Sep '24 N/A
  • August '24 Aug '24 1
  • July '24 Jul '24 N/A
Foreclosure Starts i
  • June '25 Jun '25 N/A
  • May '25 May '25 1
  • April '25 Apr '25 N/A
  • March '25 Mar '25 2
  • February '25 Feb '25 N/A
  • January '25 Jan '25 N/A
  • December '24 Dec '24 1
  • November '24 Nov '24 N/A
  • October '24 Oct '24 N/A
  • September '24 Sep '24 N/A
  • August '24 Aug '24 1
  • July '24 Jul '24 N/A
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