Zip Code: 06870 (Old Greenwich, CT) - Market Hotness: Trend of Supply Score (Realtor)

Updated on March 13, 2026.

According to data from Realtor.com, the market hotness: supply score for the 06870 Zip Code in October 2025 was 83.045.

You can see similar for other Connecticut Zip Codes.

The chart and table below shows the trend of the market hotness: supply score for the 06870 zip code.

Note: Supply Score is an index representing the metro's median days on market ranking compared to other metros.

Data Source: Realtor.
Zip Code: 06870 - Market Hotness: Trend of Supply Score
Zip Code: 06870 - Market Hotness: Trend of Supply Score
0 of 0
Month Supply Score
September 2017 4.673539518900344
October 2017 6.8545126578341735
November 2017 8.099747474747474
December 2017 7.858571520743274
January 2018 11.951072789252056
February 2018 17.551048756771774
March 2018 26.394443275099977
April 2018 68.58508206939538
May 2018 58.617631004366814
June 2018 44.65864521704447
July 2018 27.468199134758187
August 2018 14.99105774144098
September 2018 5.88384478823231
October 2018 3.6513323278029164
November 2018 3.9860803543182532
December 2018 2.1395528141865845
January 2019 1.2586490939044481
February 2019 2.286930842661905
March 2019 13.668167648077588
April 2019 29.60778935820077
May 2019 70.81704054332167
June 2019 52.30955422577826
July 2019 18.747133215385624
August 2019 10.011709601873536
September 2019 4.525236898085477
October 2019 2.201136070229796
November 2019 1.8356984767608382
December 2019 1.6674417059722315
January 2020 11.552951025533696
February 2020 10.822257923178034
March 2020 11.908789996322177
April 2020 37.00460145465341
May 2020 49.41027172290236
June 2020 50.53706903027116
July 2020 47.7998607996288
August 2020 41.18630573248407
September 2020 25.258782296845713
October 2020 20.526580580244843
November 2020 50.1639344262295
December 2020 46.252865455827894
January 2021 31.170303202040238
February 2021 17.984128620014427
March 2021 6.839945280437757
April 2021 32.43306169965076
May 2021 81.73210161662817
June 2021 83.62624167667285
July 2021 59.24094074896538
August 2021 8.866347327885789
September 2021 6.47246244879381
October 2021 3.5971871619185
November 2021 61.79949053857351
December 2021 54.293818466353684
January 2022 19.729164373004515
February 2022 46.89406199427362
March 2022 95.8533975387908
April 2022 79.06435771517188
May 2022 88.62359550561798
June 2022 68.28057107386715
July 2022 97.47151986662962
August 2022 71.72519866700846
September 2022 47.18826405867971
October 2022 66.55665566556655
November 2022 50.23724298676434
December 2022 31.428813991000933
January 2023 10.700942892723715
February 2023 9.97795456723857
March 2023 95.76560305037127
April 2023 87.7770935960591
May 2023 97.26290273709726
June 2023 92.95497093309686
July 2023 51.391378171870585
August 2023 21.789177920783107
September 2023 45.202804650749975
October 2023 17.95879989742713
November 2023 38.973448334178926
March 2024 98.77734263062375
April 2024 94.10340009315323
May 2024 83.12228654124458
June 2024 94.91452253496804
July 2024 58.07939383956514
August 2024 33.946501727046346
September 2024 59.47528695244788
October 2024 36.680752977333846
November 2024 28.10056722367009
December 2024 12.599213993989366
January 2025 1.5932982917214191
February 2025 5.707899939826356
March 2025 3.78872874773453
April 2025 74.36953597848016
May 2025 97.48289345063539
June 2025 86.31823461091753
July 2025 75.80426939266385
August 2025 89.67021591245194
September 2025 59.7967332123412
October 2025 84.81012658227847
November 2025 83.04458137006162