Zip Code: 21217 (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 21217 Zip Code in February 2026 was 51.655.

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 21217 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: 21217 - Market Hotness: Trend of Supply Score
Zip Code: 21217 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 50.49047172758513
October 2017 36.940971574298686
November 2017 26.30681818181818
December 2017 67.21078779276083
January 2018 64.98228728026201
February 2018 70.09306848173358
March 2018 59.09633059706728
April 2018 49.67102984971258
May 2018 44.90993449781659
June 2018 25.034899953466727
July 2018 21.482533737973785
August 2018 25.466274910577415
September 2018 21.766421506467157
October 2018 41.22046254399196
November 2018 45.18823157228725
December 2018 39.36648676432794
January 2019 55.18945634266886
February 2019 73.04443376141748
March 2019 78.82923449948042
April 2019 68.31459133296764
May 2019 44.79659737943336
June 2019 50.4874604988906
July 2019 45.50160539938405
August 2019 57.22092115534738
September 2019 72.02991039773093
October 2019 69.82313452104312
November 2019 62.08176018747559
December 2019 42.45665315883877
January 2020 47.98381470629273
February 2020 78.09989776544472
March 2020 65.29606472968003
April 2020 51.43238830339914
May 2020 49.41027172290236
June 2020 36.18267858484188
July 2020 43.05931482483953
August 2020 54.79299363057325
September 2020 39.832097155432386
October 2020 65.7806473251719
November 2020 45.632618747372845
December 2020 44.43660730029977
January 2021 59.45971474449797
February 2021 54.148201587138004
March 2021 75.10259917920656
April 2021 43.14318975552969
May 2021 63.44110854503464
June 2021 39.76640104792054
July 2021 41.32431614010296
August 2021 40.37757114680191
September 2021 30.10468821119709
October 2021 25.315542733501623
November 2021 37.827510917030565
December 2021 43.221830985915496
January 2022 41.34096664097765
February 2022 44.65330511639487
March 2022 35.88817549491707
April 2022 24.864306022227968
May 2022 41.84222846441947
June 2022 16.780467618456445
July 2022 15.170880800222283
August 2022 8.467914210031616
September 2022 22.637214400134894
October 2022 30.3037996107303
November 2022 31.857154749021895
December 2022 33.77196706002207
January 2023 79.5143212951432
February 2023 81.11760759129685
March 2023 40.65823800923138
April 2023 31.793924466338257
May 2023 24.482375517624483
June 2023 27.450980392156865
July 2023 12.640316951231014
August 2023 12.652950240188526
September 2023 20.50235200142008
October 2023 47.149329002478844
November 2023 44.98562489430069
December 2023 47.00710179235712
January 2024 47.88558311997881
February 2024 49.95785332958697
March 2024 44.90400229248257
April 2024 44.285048905449464
May 2024 25.0904486251809
June 2024 21.291659471593853
July 2024 36.15549332894087
August 2024 38.42075668728412
September 2024 29.28867025845241
October 2024 35.01344602381867
November 2024 35.51280085850069
December 2024 42.020497803806734
January 2025 65.11169513797634
February 2025 84.69010573368865
March 2025 63.31233278674377
April 2025 51.74848688634835
May 2025 43.271423916585206
June 2025 29.066976384049553
July 2025 26.420625375826816
August 2025 50.236616385684705
September 2025 55.45553539019964
October 2025 58.55334538878842
November 2025 45.32076839434578
December 2025 42.84455540054336
January 2026 87.27427729985274
February 2026 68.76969060505695
March 2026 51.6553027191325