Zip Code: 21770 (Monrovia, 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 21770 Zip Code in November 2025 was 80.81.

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 21770 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: 21770 - Market Hotness: Trend of Hotness Score
Zip Code: 21770 - Market Hotness: Trend of Hotness Score
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Month Hotness Score
September 2017 35.448297407060295
October 2017 37.62828885986191
November 2017 56.49305555555556
December 2017 59.04574488676688
January 2018 49.28814918788851
February 2018 40.14099180441728
March 2018 39.11808040412545
April 2018 46.592561811759815
May 2018 56.29093886462882
June 2018 55.75683041946421
July 2018 55.99535093949764
August 2018 54.787301992846196
September 2018 42.179178290641644
October 2018 39.26910507792861
November 2018 46.83644416323948
December 2018 40.62259059367772
January 2019 28.886326194398684
February 2019 13.992857633404299
March 2019 22.656737097332872
April 2019 65.65071311025781
May 2019 79.77979008026344
June 2019 75.0319370671687
July 2019 59.48823799226788
August 2019 60.587431693989075
September 2019 50.52536582221363
October 2019 47.621352956364575
November 2019 44.33342012758755
December 2019 59.37354680130207
January 2020 69.91070182782195
February 2020 72.87498174382941
March 2020 63.4497977197499
April 2020 57.79278610657563
May 2020 55.3486115258286
July 2025 73.4591100420926
August 2025 60.998964803312624
September 2025 75.14337568058076
October 2025 79.1356238698011
November 2025 81.15621602029722
December 2025 80.80989793670608