Zip Code: 21015 (Bel Air, 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 21015 Zip Code in February 2026 was 92.13.

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 21015 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: 21015 - Market Hotness: Trend of Supply Score
Zip Code: 21015 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 80.6872852233677
October 2017 63.58151396404802
November 2017 67.10858585858585
December 2017 69.1399445125492
January 2018 64.05988904484994
February 2018 63.029587442700375
March 2018 61.173086367782226
April 2018 77.560772906711
May 2018 81.82314410480349
June 2018 81.97832879079971
July 2018 60.36030218893266
August 2018 59.50434338272866
September 2018 63.879026122241946
October 2018 85.02388134741075
November 2018 72.91363492565644
December 2018 60.363659727576454
January 2019 83.24217462932455
February 2019 90.23418721241673
March 2019 72.49740214755802
April 2019 75.26741634668129
May 2019 89.90876037593469
June 2019 92.98056881597526
July 2019 86.06251228621977
August 2019 82.08430913348947
September 2019 75.6011087475021
October 2019 65.81461399431964
November 2019 62.8563989063924
December 2019 63.81452202218827
January 2020 86.48667503837031
February 2020 73.9374908719147
March 2020 78.11695476278044
April 2020 77.15600415615259
May 2020 46.44670050761421
June 2020 55.7425073236686
July 2020 75.9492691980512
August 2020 84.18789808917198
September 2020 90.5534273371913
October 2020 91.17055173570351
November 2020 50.63472047078604
December 2020 70.73708340680656
January 2021 56.89052611693587
February 2021 51.57167886220756
March 2021 29.434564523483814
April 2021 88.40512223515717
May 2021 59.930715935334874
June 2021 54.50278353891497
July 2021 61.128495003532855
August 2021 82.16398985629755
September 2021 75.43923532089212
October 2021 87.67580238009376
November 2021 49.845342066957784
December 2021 49.090375586854464
January 2022 52.46064075745899
February 2022 82.0988422756131
March 2022 50.81594435527019
April 2022 58.490566037735846
May 2022 51.100187265917604
June 2022 48.59300641423546
July 2022 64.47161248494953
August 2022 61.76194138255148
September 2022 77.53140544642105
October 2022 69.12922061436913
November 2022 76.75851161241988
December 2022 43.925630359113676
January 2023 49.43070628002135
February 2023 87.50119812134572
March 2023 87.05599036724865
April 2023 56.70155993431856
August 2023 88.69754373243904
September 2023 94.92322712345789
October 2023 96.02530130780409
November 2023 98.96837476746153
December 2023 90.64930672979371
January 2024 50.07504193519908
February 2024 99.52233773531891
April 2024 96.72100605496041
May 2024 96.06548480463097
June 2024 80.68554653773096
July 2024 52.6601877779608
August 2024 92.38493051650735
September 2024 87.7020379479972
October 2024 96.82673837879369
November 2024 97.7311053196382
December 2024 98.23533944671343
January 2025 94.73554533508542
February 2025 94.59296827989341
March 2025 92.28445671873652
April 2025 94.72091459314055
May 2025 97.19778429455849
June 2025 96.96476964769649
July 2025 94.37011425135297
August 2025 93.75924282756581
September 2025 89.86569872958258
October 2025 73.76491862567812
November 2025 76.97716563972455
December 2025 68.85233864454071
January 2026 81.77943114004495
February 2026 85.82276435899507
March 2026 92.13012404501765