Zip Code: 21237 (Rosedale, 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 21237 Zip Code in February 2026 was 88.466.

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 21237 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: 21237 - Market Hotness: Trend of Supply Score
Zip Code: 21237 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 70.02811621368322
October 2017 70.81545064377683
November 2017 82.24116161616162
December 2017 71.71430414865475
January 2018 73.3774480315487
February 2018 61.612723989442976
March 2018 60.401319020557075
April 2018 65.35078606551701
May 2018 61.79039301310044
June 2018 35.79738084158745
July 2018 53.61270743203978
August 2018 67.1691364333163
September 2018 52.17474004565052
October 2018 65.32176973353444
November 2018 85.94748497310978
December 2018 83.75738884605501
January 2019 88.83031301482703
February 2019 78.86820960098895
March 2019 80.76203671631451
April 2019 75.26741634668129
May 2019 72.66241339095836
June 2019 89.63894305116654
July 2019 81.80984208112181
August 2019 80.62060889929742
September 2019 80.58402630052214
October 2019 84.44358378517944
November 2019 79.3451373519073
December 2019 57.87550654354614
January 2020 38.94237477326636
February 2020 44.545056229005404
March 2020 65.57557925707981
April 2020 81.14145762208699
May 2020 72.999402806808
June 2020 81.46924059190265
July 2020 97.07679220477921
August 2020 91.5843949044586
September 2020 94.85695655717662
October 2020 93.7363743082341
November 2020 66.51534258091635
December 2020 58.24369599717863
January 2021 72.33399452158308
February 2021 64.629496032155
March 2021 51.74418604651163
April 2021 93.63213038416764
May 2021 82.9676674364896
June 2021 51.893898046064834
July 2021 62.39022913091753
August 2021 51.06602798910491
September 2021 75.43923532089212
October 2021 87.18896501983411
November 2021 55.167394468704515
December 2021 89.18231611893583
April 2022 92.55621607650556
May 2022 72.01544943820225
June 2022 78.27436374922408
July 2022 88.57089932388627
August 2022 61.76194138255148
September 2022 84.34364724728101
October 2022 60.066006600660074
November 2022 71.60576042620494
December 2022 87.66448764750828
January 2023 89.86835082725494
February 2023 93.21384069778588
March 2023 72.39614689945816
April 2023 79.14614121510674
May 2023 91.46550853449146
June 2023 78.02739186126712
July 2023 82.52051693236487
August 2023 84.14755732801595
September 2023 89.21629537587646
October 2023 88.7255320967604
November 2023 88.18704549298157
December 2023 76.82617517754481
January 2024 75.73938377328507
February 2024 63.28556710686522
March 2024 96.45620403094851
April 2024 95.36096879366558
May 2024 79.99276410998553
June 2024 59.39388706613711
July 2024 94.95140833470597
August 2024 80.29560607277692
September 2024 91.42656359803233
October 2024 61.39838647714176
November 2024 86.36363636363636
December 2024 94.36695692378824
January 2025 95.06406044678056
February 2025 81.44932519556434
March 2025 71.09691896090446
April 2025 88.87861466039004
May 2025 88.03356142065819
June 2025 78.26558265582656
July 2025 91.61906193625977
August 2025 87.36320615202602
September 2025 92.37023593466425
October 2025 82.19168173598554
November 2025 88.83653497644075
December 2025 58.322931199060136
January 2026 98.51972409517167
February 2026 94.33718394054446
March 2026 88.46627782797995