Zip Code: 48421 (Columbiaville, MI) - 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 48421 Zip Code in February 2026 was 25.976.

You can see similar for other Michigan Zip Codes.

The chart and table below shows the trend of the market hotness: supply score for the 48421 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: 48421 - Market Hotness: Trend of Supply Score
Zip Code: 48421 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 48.38487972508591
October 2017 66.39920383156061
November 2017 62.34848484848485
December 2017 53.89379959997419
January 2018 40.431789318895795
February 2018 7.834421447423254
March 2018 7.415982600154354
April 2018 68.58508206939538
May 2018 74.87036026200873
June 2018 96.96868975603272
July 2018 92.78104216439594
August 2018 86.90597853857945
September 2018 88.1752472736495
October 2018 60.68376068376068
November 2018 88.90857323631762
December 2018 82.6651246466204
January 2019 69.35090609555189
February 2019 44.83208570839915
March 2019 52.275718739175616
April 2019 71.01618211738892
June 2019 94.73542661198144
July 2019 95.68180328943058
August 2019 71.76684881602914
September 2019 70.14117192032488
October 2019 69.82313452104312
November 2019 68.28537950787657
December 2019 63.81452202218827
January 2020 25.0732524068648
February 2020 30.524317219220098
March 2020 27.304155939683707
April 2020 78.02434317945674
June 2020 54.292796514684895
July 2020 86.93836516897379
September 2021 71.06964041875284
October 2021 38.14460872701046
July 2022 78.36436047050105
August 2022 53.23421344954286
September 2022 19.44186830789984
November 2022 89.06184966286523
September 2024 61.86460529397986
October 2024 71.96311947752592
November 2024 72.18304461137514
June 2025 86.70538133952768
July 2025 71.09140108238124
September 2025 80.47186932849365
October 2025 69.64918625678119
November 2025 43.407031533164194
December 2025 35.89103458403701
January 2026 24.451677904363326
February 2026 16.15639389288311
March 2026 25.97551959254087