Zip Code: 21104 (Marriottsville, MD) - Market Hotness: Trend of Hotness Score (Realtor)
Updated on March 13, 2026.

According to data from Realtor.com, the market hotness: hotness score for the 21104 Zip Code in May 2025 was 82.195.

You can see similar for other Maryland Zip Codes.

The chart and table below shows the trend of the market hotness: hotness score for the 21104 zip code.

Note: Hotness Score is an equally-weighted composite metric of a geography’s supply score and demand score.

Data Source: Realtor.
Zip Code: 21104 - Market Hotness: Trend of Hotness Score
Zip Code: 21104 - Market Hotness: Trend of Hotness Score
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Month Hotness Score
September 2017 63.87378944079975
October 2017 68.77837905081793
November 2017 52.71780303030303
December 2017 42.74469320601329
June 2018 57.57827560991824
July 2018 47.530186608122946
August 2018 57.79892692897292
September 2018 55.9789500380421
October 2018 60.50465057817999
November 2018 58.46567541917115
December 2018 53.45990747879722
January 2019 49.67380560131795
February 2019 36.66300391456631
March 2019 27.44024939383443
April 2019 51.73477783872737
May 2019 78.29457364341086
June 2019 70.02958380958785
July 2019 77.56044820129743
August 2019 52.738745771532656
September 2019 56.362405724231294
October 2019 67.77368964626905
November 2019 69.88022392917588
December 2019 61.28678668703913
July 2020 60.923362462299906
September 2020 43.91963485206618
June 2025 82.1951219512195