Zip Code: 21229 (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 21229 Zip Code in February 2026 was 79.635.

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 21229 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: 21229 - Market Hotness: Trend of Supply Score
Zip Code: 21229 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 53.764448609809435
October 2017 75.66088200534927
November 2017 74.16035353535354
December 2017 61.43622169172205
January 2018 61.29269433861373
February 2018 75.51048756771775
March 2018 86.94309969830913
April 2018 68.58508206939538
May 2018 61.46288209606987
June 2018 50.42212324669282
July 2018 28.753147801381807
August 2018 66.33239652529382
September 2018 66.16789246766422
October 2018 64.93841126194067
November 2018 81.11357165453971
December 2018 82.04831662811617
January 2019 79.90774299835255
February 2019 76.45079321475173
March 2019 69.41461724974022
April 2019 65.72956664838179
May 2019 63.68251354874117
June 2019 53.782021112082305
July 2019 33.63475525850206
August 2019 47.45641425969295
September 2019 64.5071875201444
October 2019 70.64936741544022
November 2019 78.76578570498634
December 2019 87.65030226532917
January 2020 81.08692618947956
February 2020 88.5570322769096
March 2020 72.36484001471129
April 2020 62.223541635742905
May 2020 61.95879366975217
June 2020 46.210470968226545
July 2020 44.09558425489134
August 2020 53.55095541401273
September 2020 67.79688646181434
October 2020 85.77058527586784
November 2020 73.55191256830601
December 2020 80.42673249867748
January 2021 75.05431189194294
February 2021 65.50551375863135
March 2021 64.0218878248974
April 2021 50.15133876600698
May 2021 70.31177829099308
June 2021 46.828948804715644
July 2021 58.473806399515496
August 2021 86.40931717854795
September 2021 57.3145197997269
October 2021 80.55355210962855
November 2021 64.99272197962155
December 2021 59.24295774647887
January 2022 58.97831113068369
February 2022 70.63363625046682
March 2022 45.77314071696094
April 2022 55.86714913414319
May 2022 34.91338951310862
June 2022 21.8084005793503
July 2022 45.04955080114847
August 2022 53.23421344954286
September 2022 47.18826405867971
October 2022 49.98730642294999
November 2022 35.86947473570299
December 2022 83.73376347737499
January 2023 95.3922789539228
February 2023 76.07591296846545
March 2023 60.60606060606061
April 2023 64.4088669950739
May 2023 47.56085243914756
June 2023 34.87043058429402
July 2023 39.72266767286105
August 2023 53.37623493156893
September 2023 71.70497914262893
October 2023 67.87759637575861
November 2023 72.07847116522915
December 2023 92.26411903956713
January 2024 86.72199170124482
February 2024 92.17945115669195
March 2024 74.70627567102875
April 2024 62.84117373078715
May 2024 63.44066570188133
June 2024 59.72198238646175
July 2024 61.8349530555098
August 2024 60.775965941039445
September 2024 50.12883579292574
October 2024 67.9293123319247
November 2024 82.23210179365323
December 2024 77.29059104569623
January 2025 65.82621550591328
February 2025 61.17940342130147
March 2025 76.97419521877966
April 2025 82.98587760591796
May 2025 76.09156076898013
June 2025 72.9616724738676
July 2025 67.52856283824413
August 2025 64.69239869860988
September 2025 72.5589836660617
October 2025 74.37974683544304
November 2025 70.43131569409206
December 2025 77.99397899992657
January 2026 78.81112919476091
February 2026 82.84998788270458
March 2026 79.63525835866263