Zip Code: 21144 (Severn, 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 21144 Zip Code in February 2026 was 74.361.

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 21144 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: 21144 - Market Hotness: Trend of Supply Score
Zip Code: 21144 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 69.77819431427679
October 2017 78.59053305965044
November 2017 77.3989898989899
December 2017 65.72036905606812
January 2018 81.47182674954882
February 2018 85.74107514932629
March 2018 75.59811969409948
April 2018 72.41498718747835
May 2018 88.72134279475983
June 2018 87.19670278534866
July 2018 75.71511590366113
August 2018 84.34466019417476
September 2018 72.5653056048694
October 2018 75.89240824534942
November 2018 70.73078139829167
December 2018 55.90465176047289
January 2019 65.87149917627677
February 2019 42.67564040931255
March 2019 38.614478697609975
April 2019 42.43006034009874
May 2019 82.24600397887082
June 2019 76.884286962953
July 2019 65.57237402529323
August 2019 73.15248503773094
September 2019 85.48314317024432
October 2019 83.56571133488252
November 2019 79.46881916417134
December 2019 83.51159237361323
January 2020 94.19561880842751
February 2020 96.87454359573536
March 2020 83.6631114380287
April 2020 91.8361288407303
May 2020 75.33592117049865
June 2020 90.64072710884098
July 2020 69.27538473435929
August 2020 94.59394904458598
September 2020 79.2403618876844
October 2020 94.56649337581754
November 2020 66.51534258091635
December 2020 86.23699523893494
January 2021 81.96845187494097
February 2021 80.7997526538184
March 2021 40.17327861377109
May 2021 96.44341801385681
June 2021 93.81071935378233
July 2021 80.52891894619965
August 2021 65.73682727528882
September 2021 90.52344105598543
October 2021 88.7756941940137
November 2021 76.90138282387191
December 2021 83.04968701095461
January 2022 84.75173400858748
February 2022 83.96613967384539
April 2022 75.89816490049108
May 2022 68.46910112359551
June 2022 66.4597558452307
July 2022 93.15550615911827
August 2022 77.33914380927968
September 2022 86.83078998398112
October 2022 79.5041042565795
November 2022 84.1921251977025
December 2022 62.71330333644622
January 2023 96.17505781889344
February 2023 88.88143391162657
March 2023 95.31406783062413
April 2023 68.52422003284072
May 2023 54.83284516715483
June 2023 80.99320130062075
July 2023 68.42750683897746
August 2023 86.50412399166137
September 2023 89.73107304517617
October 2023 86.45183349004188
November 2023 80.56823947234906
December 2023 71.40683124788637
January 2024 90.44760307230511
February 2024 82.86035403203147
March 2024 87.93581048810775
April 2024 77.5966464834653
June 2024 98.16093938870661
July 2024 97.52100148245758
August 2024 97.12426700939835
September 2024 97.59506519871945
October 2024 95.56665386092969
November 2024 94.73401808983597
December 2024 99.98458811743855
January 2025 99.8111038107753
February 2025 98.33233043926761
March 2025 95.42590834555968
April 2025 99.46200403496974
May 2025 98.90029325513197
June 2025 98.12620983352691
July 2025 84.81659651232712
August 2025 85.49245785270631
September 2025 97.29219600725952
October 2025 97.5262206148282
November 2025 99.34758970641536
December 2025 98.34055363829944
January 2026 96.5821901883283
February 2026 84.87761531626141
March 2026 74.36129138256797