Zip Code: 02121 (Dorchester, MA) - 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 02121 Zip Code in October 2025 was 83.045.

You can see similar for other Massachusetts Zip Codes.

The chart and table below shows the trend of the market hotness: supply score for the 02121 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: 02121 - Market Hotness: Trend of Supply Score
Zip Code: 02121 - Market Hotness: Trend of Supply Score
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Month Supply Score
June 2018 77.42471581466462
October 2018 78.2051282051282
November 2018 52.31888642834546
December 2018 48.10460035980468
January 2019 55.57825370675453
February 2019 86.74541583682439
April 2019 64.48848052660449
May 2019 87.43911641627221
October 2019 80.68035114898012
November 2019 87.72295274052858
December 2019 88.06882349033415
November 2020 95.5443463640185
October 2021 23.900108186080057
December 2021 43.965179968701094
January 2022 94.47319167675879
November 2022 71.60576042620494
September 2025 87.94192377495463
October 2025 84.34719710669077
November 2025 83.04458137006162