Zip Code: 21244 (Windsor Mill, 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 21244 Zip Code in February 2026 was 92.508.

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 21244 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: 21244 - Market Hotness: Trend of Supply Score
Zip Code: 21244 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 79.07528897219619
October 2017 57.10020526217578
November 2017 64.2739898989899
December 2017 79.4180269694819
January 2018 73.97232805293764
February 2018 76.99680511182109
March 2018 88.87953413316495
April 2018 72.41498718747835
May 2018 73.28739082969432
June 2018 67.66602406434886
July 2018 75.71511590366113
August 2018 86.36944302503832
September 2018 97.6667512046665
October 2018 87.78908999497234
November 2018 78.10186649794369
December 2018 91.53816499614496
January 2019 87.06425041186161
February 2019 63.958519332463425
March 2019 40.692760651195016
April 2019 47.92238069116841
May 2019 69.33525416752418
June 2019 83.82303502991999
July 2019 53.80381364261844
August 2019 74.28441321883945
September 2019 91.93579578418101
October 2019 87.78079008520527
November 2019 83.84324957687801
December 2019 87.65030226532917
January 2020 76.33598437281987
February 2020 77.26741638673872
March 2020 90.89371092313351
April 2020 83.145316906635
May 2020 63.50403105404598
June 2020 60.12919702546383
July 2020 59.0905575748202
August 2020 89.53821656050955
September 2020 97.44885483739506
October 2020 82.15663256749957
November 2020 83.58133669609079
December 2020 83.66249338740963
January 2021 80.27769906489091
February 2021 37.266824693393794
June 2021 67.01233489793691
July 2021 57.01019481174927
August 2021 54.26880811496196
September 2021 22.67637687756031
October 2021 42.49909844933285
November 2021 37.827510917030565
December 2021 89.83763693270735
January 2022 78.85060002201915
February 2022 68.34308477530188
April 2022 29.58128715430344
May 2022 54.83380149812734
June 2022 86.57148768880613
July 2022 79.97591923682505
August 2022 67.27334871400495
September 2022 79.45367169715875
October 2022 63.58635863586358
November 2022 62.34079746940814
December 2022 83.36870702096952
January 2023 91.83419320405622
February 2023 84.49151730087223
March 2023 91.32048966486053
April 2023 49.41502463054187
May 2023 57.24674275325725
June 2023 88.29441324268402
July 2023 76.10602773323272
August 2023 43.09797879090003
September 2023 79.32013845744208
October 2023 44.31147961364219
November 2023 65.27989176391003
December 2023 95.57828880622252
January 2024 88.70839586827934
February 2024 74.88995036058817
March 2024 92.17690323813163
April 2024 91.79319981369353
May 2024 88.06982633863966
June 2024 85.80556035227076
July 2024 82.34228298468128
August 2024 77.80544622057997
September 2024 92.89451081439837
October 2024 79.40069150979639
November 2024 82.23210179365323
December 2024 95.29166987747554
January 2025 89.5203679369251
February 2025 99.08879910599157
March 2025 95.72797100198498
April 2025 94.72091459314055
May 2025 90.02117953730857
June 2025 94.95160665892374
July 2025 99.39116055321708
August 2025 98.35107956225968
September 2025 95.57168784029038
October 2025 85.05605786618446
November 2025 86.6763320043494
December 2025 95.17585725824216
January 2026 99.48849104859335
February 2026 96.95451975119154
March 2026 92.50800952928613