Zip Code: 21057 (Glen Arm, 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 21057 Zip Code in August 2019 was 65.767.

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 21057 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: 21057 - Market Hotness: Trend of Hotness Score
Zip Code: 21057 - Market Hotness: Trend of Hotness Score
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Month Hotness Score
November 2017 88.6963383838384
August 2018 67.65137966274911
September 2018 52.53613999492772
October 2018 57.65460030165913
November 2018 47.59253400822525
December 2018 55.888589051657675
January 2019 51.973640856672155
June 2019 79.84266792173737
July 2019 64.92038529585218
August 2019 47.46942492844132
September 2019 65.76742087281634