Zip Code: 21210 (Baltimore, 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 21210 Zip Code in January 2026 was 86.106.

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 21210 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: 21210 - Market Hotness: Trend of Supply Score
Zip Code: 21210 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 22.143080287410186
October 2017 23.97835417055421
November 2017 53.75
December 2017 42.93180205174527
January 2018 59.24069246708108
February 2018 41.137658008056675
March 2018 52.97832035360977
April 2018 77.560772906711
May 2018 56.62527292576419
June 2018 53.719337898025664
July 2018 51.30754826628785
August 2018 52.36331119059785
September 2018 55.22444838955111
October 2018 72.93866264454499
November 2018 65.63745650110725
December 2018 49.4088923156001
January 2019 41.858319604612845
February 2019 52.290364672756
March 2019 37.32594388638725
April 2019 60.710367526055954
May 2019 61.17170885641764
June 2019 71.70712028508035
July 2019 45.50160539938405
August 2019 25.013010668748375
September 2019 23.75427061174499
October 2019 31.913245546088305
November 2019 41.8044525452415
December 2019 28.61223676343586
January 2020 22.19896748988419
February 2020 26.6759164597634
March 2020 36.0794409709452
April 2020 65.41487308891197
May 2020 72.999402806808
June 2020 65.7552767971156
July 2020 40.55370814322172
August 2020 41.902866242038215
September 2020 60.76289836172467
October 2020 38.27771256079155
November 2020 61.479613282891975
December 2020 45.30065244225005
January 2021 38.50949277415698
February 2021 59.692878491188296
March 2021 68.0688554491564
June 2021 72.99421460539243
July 2021 38.124558393055416
September 2021 90.52344105598543
October 2021 78.416877028489
November 2021 70.04184861717613
December 2021 70.47143974960876
January 2022 69.55851590884069
June 2022 51.965652803641625
July 2022 46.80003704732796
August 2022 49.95300350337521
September 2022 74.8587808785094
October 2022 76.55073199627655
November 2022 90.81828019645384
December 2022 74.64131080736904
January 2023 57.40081835972247
March 2023 76.91149909692956
April 2023 89.80911330049261
May 2023 67.7002322997677
June 2023 35.905015272440636
July 2023 48.882180926327706
August 2023 48.844375963020035
October 2023 61.13343020771006
November 2023 73.2538474547607
December 2023 76.40344944200203
June 2024 95.28578829217751
July 2024 79.83857684071816
August 2024 73.67660053016306
September 2024 83.11860701179043
October 2024 69.99615827890895
November 2024 78.75977311053197
April 2025 87.57565568258238
May 2025 77.2808732486152
June 2025 84.25087108013938
July 2025 64.11605532170775
August 2025 55.072463768115945
September 2025 46.21415607985481
October 2025 90.4014466546112
November 2025 62.522653135193906
December 2025 34.12144797709083
February 2026 86.10550125212053