Zip Code: 21047 (Fallston, MD) - 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 21047 Zip Code in February 2026 was 59.78.

You can see similar for other Maryland Zip Codes.

The chart and table below shows the trend of the market hotness: supply score for the 21047 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: 21047 - Market Hotness: Trend of Supply Score
Zip Code: 21047 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 61.82442986566697
October 2017 48.0811096597624
November 2017 62.34848484848485
December 2017 76.09523195044842
January 2018 68.36441414343962
February 2018 78.92068342825392
March 2018 75.59811969409948
April 2018 75.06752545190109
May 2018 93.40884279475983
June 2018 78.2756099182344
July 2018 43.55911409569316
August 2018 64.52478283086357
September 2018 70.70758305858483
October 2018 56.209150326797385
November 2018 40.79721607086365
December 2018 28.129015677203807
January 2019 28.026359143327838
February 2019 25.829269967721995
March 2019 93.25943886387253
April 2019 94.94651673066375
May 2019 92.57048775468203
June 2019 60.83507026154778
July 2019 51.66764956424874
August 2019 42.733541504033305
September 2019 45.12344485270418
October 2019 58.99173767105603
November 2019 62.8563989063924
December 2019 65.76097787816381
January 2020 65.53648667503838
February 2020 49.02146925660873
March 2020 34.79955866127253
April 2020 19.49680866854683
May 2020 25.783816064496868
June 2020 41.891384361150756
July 2020 80.2799474131931
August 2020 97.34872611464968
October 2020 97.61864833137682
December 2020 97.18744489508023
September 2021 43.359126081019575
October 2021 38.14460872701046
April 2022 75.43292840527268
May 2022 18.679775280898877
June 2022 23.34988619904821
July 2022 15.170880800222283
August 2022 8.467914210031616
September 2022 30.95017283534272
October 2022 67.41981890496743
November 2022 73.55365021227004
December 2022 59.775872315137114
January 2023 42.36790606653621
February 2023 83.15920636442058
March 2023 62.8637367047963
August 2024 68.88103462125473
September 2024 43.29663465292418
June 2025 98.69918699186991
July 2025 95.23451593505713
August 2025 97.07187222715173
September 2025 80.11615245009075
October 2025 75.5370705244123
November 2025 90.59079376585719
December 2025 96.43145605404214
January 2026 77.97411454700458
March 2026 59.77984063090446