Zip Code: 21219 (Sparrows Point, 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 21219 Zip Code in February 2026 was 48.09.

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 21219 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: 21219 - Market Hotness: Trend of Supply Score
Zip Code: 21219 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 65.29209621993127
October 2017 51.464825527150595
November 2017 68.87626262626263
December 2017 84.4118975417769
January 2018 73.3774480315487
February 2018 64.84233921377968
March 2018 46.24991229916509
April 2018 70.44116628575387
May 2018 71.56113537117903
June 2018 59.62241574154091
July 2018 39.387873700523016
August 2018 23.24987225344916
September 2018 49.708343900583316
October 2018 57.692307692307686
November 2018 56.912369503321734
December 2018 50.218452839886915
January 2019 81.7001647446458
February 2019 65.53121351555525
March 2019 44.34360928299272
April 2019 38.52166758091059
May 2019 29.930712766687247
June 2019 33.073354400591676
July 2019 28.713714697595176
August 2019 27.953421805880822
September 2019 28.524463353316577
October 2019 47.592305706170926
November 2019 61.29410233042572
December 2019 71.9125755663323
January 2020 72.07339193525883
February 2020 63.100628012268146
March 2020 42.53034203751379
May 2020 68.72947148402508
June 2020 86.64463306542477
August 2020 97.57961783439491
September 2020 58.456271904800715
October 2020 47.02331041422103
November 2020 54.770912147961326
December 2020 59.25762652089579
November 2021 94.50509461426492
July 2022 46.16097063999259
November 2022 56.838425039540496
January 2023 97.54492083259207
February 2023 87.50119812134572
March 2023 58.74974914710014
April 2023 20.59729064039409
June 2023 29.520149768450093
July 2023 38.769927365342895
September 2024 99.11767002420552
October 2024 98.29427583557434
November 2024 86.36363636363636
December 2024 95.29166987747554
January 2025 99.07194480946123
February 2025 94.59296827989341
May 2025 88.40827631150212
June 2025 65.04839334107628
July 2025 83.95219482862298
August 2025 64.05649216208222
September 2025 82.17785843920146
October 2025 77.29475587703436
November 2025 68.94527002537151
December 2025 75.86460092517807
January 2026 98.83747965589397
February 2026 81.33936505372002
March 2026 48.09003532407788