Zip Code: 21221 (Essex, 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 21221 Zip Code in February 2026 was 74.805.

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 21221 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: 21221 - Market Hotness: Trend of Supply Score
Zip Code: 21221 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 76.28865979381443
October 2017 72.55706910493251
November 2017 62.67045454545455
December 2017 76.97270791663978
January 2018 81.47182674954882
February 2018 75.51048756771775
March 2018 67.53665894899319
April 2018 68.58508206939538
May 2018 54.55786026200873
June 2018 57.77438011035033
July 2018 59.856653967844
August 2018 73.79279509453245
September 2018 65.4704539690591
October 2018 59.96103569632981
November 2018 61.221132552989566
December 2018 75.37265484451298
January 2019 69.35090609555189
February 2019 50.09958107272852
March 2019 48.749567024593006
April 2019 55.95172792100932
May 2019 61.761679357892575
June 2019 79.089625495865
July 2019 73.1800013105301
August 2019 82.08430913348947
September 2019 80.58402630052214
October 2019 73.91556932610379
November 2019 62.8563989063924
December 2019 63.81452202218827
January 2020 48.514022603599834
February 2020 68.92799766321016
March 2020 62.28760573740346
April 2020 75.71619415169957
May 2020 64.28038220364289
June 2020 58.536768572072404
July 2020 84.80395947722528
August 2020 75.85191082802548
September 2020 89.22487570299128
October 2020 85.34294818044609
November 2020 71.03825136612022
December 2020 75.85081996120614
January 2021 68.8202512515349
February 2021 73.00834793362877
March 2021 46.112631098951205
April 2021 71.90919674039581
May 2021 52.621247113163975
June 2021 42.74642506276607
July 2021 36.903199757747046
August 2021 54.26880811496196
September 2021 67.54665452890305
October 2021 60.31373963216733
November 2021 35.262008733624455
December 2021 65.39514866979655
January 2022 60.20037432566333
February 2022 60.47553840408316
March 2022 58.50722311396469
April 2022 64.11217368829155
May 2022 57.104400749063664
June 2022 36.6852886405959
July 2022 29.545244049272945
August 2022 53.23421344954286
September 2022 51.159261445072076
October 2022 58.97435897435898
November 2022 56.43053358861234
December 2022 86.66270481365142
January 2023 84.1576231987191
February 2023 84.23272309019457
March 2023 73.25908087497491
April 2023 62.26395730706076
May 2023 85.21361478638522
June 2023 56.961276973100794
July 2023 57.12668616168286
August 2023 36.50865585062993
September 2023 54.04277979941422
October 2023 77.97247628002394
November 2023 71.57111449348892
December 2023 65.47176192086575
January 2024 94.1467290544716
February 2024 95.69167369111173
March 2024 76.34922151112809
April 2024 82.54308337214718
May 2024 91.8234442836469
June 2024 91.98756691417718
July 2024 79.83857684071816
August 2024 89.65378745280745
September 2024 84.16490981494495
October 2024 69.05877833269305
November 2024 72.18304461137514
December 2024 87.50866918394082
January 2025 91.92674113009198
February 2025 93.31212928737213
March 2025 74.00535082419954
April 2025 82.05279085406859
May 2025 94.02085369827306
June 2025 84.25087108013938
July 2025 94.37011425135297
August 2025 89.67021591245194
September 2025 76.74773139745916
October 2025 89.43218806509947
November 2025 88.83653497644075
December 2025 82.61252661722594
January 2026 77.06734867860187
February 2026 88.31892721544551
March 2026 74.80489608149182