Zip Code: 21085 (Joppa, 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 21085 Zip Code in February 2026 was 38.084.

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 21085 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: 21085 - Market Hotness: Trend of Supply Score
Zip Code: 21085 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 70.5904404873477
October 2017 72.55706910493251
November 2017 81.30681818181819
December 2017 78.90186463642816
January 2018 74.908094378718
February 2018 78.3928323378247
March 2018 68.95390444117028
April 2018 41.01392063162269
May 2018 46.78629912663755
June 2018 78.69440935983513
July 2018 67.06269774649705
August 2018 87.908788962698
September 2018 93.90692366218614
October 2018 78.2051282051282
November 2018 70.4650427080038
December 2018 67.8745823695708
January 2019 51.95387149917627
February 2019 81.4298468511778
March 2019 91.9154832005542
April 2019 76.76906198573779
May 2019 70.17904918707552
June 2019 86.14267464533046
July 2019 87.4254636000262
August 2019 86.71610720791048
September 2019 89.53136079417263
October 2019 93.12548412083656
November 2019 92.58560083322485
December 2019 88.06882349033415
January 2020 87.63778428910283
February 2020 88.15539652402512
March 2020 74.86575947039353
April 2020 90.09945079412202
May 2020 95.80471782621677
June 2020 73.9052054382934
July 2020 93.20238187301833
August 2020 93.02547770700636
September 2020 97.28584236694107
October 2020 94.12208619822238
November 2020 63.37116435477091
December 2020 47.54011638159055
January 2021 78.76641163691319
February 2021 61.42430176234155
March 2021 65.01367989056087
May 2021 42.75981524249423
July 2021 63.80337135358837
August 2021 61.95172349018503
September 2021 94.22849340009103
October 2021 85.05228993869456
November 2021 74.617903930131
July 2022 87.19088635732147
August 2022 74.5108091942237
September 2022 46.707697495995276
October 2022 40.90716763984091
November 2022 89.06184966286523
December 2022 94.24399354783938
January 2023 84.80697384806973
May 2023 91.23320876679124
June 2023 73.19932998324958
July 2023 94.93444014715593
August 2023 63.00190338076679
September 2023 73.08067808644715
October 2023 82.71647149329002
November 2023 70.2266193133773
December 2023 66.3172133919513
January 2024 84.55901827491834
February 2024 88.15210265055727
March 2024 58.429649441207374
April 2024 24.871914299021892
May 2024 63.44066570188133
June 2024 66.41340010360905
July 2024 50.29649151704826
August 2024 26.411759980721346
September 2024 92.89451081439837
October 2024 63.288513253937765
November 2024 86.36363636363636
December 2024 87.82461277645064
January 2025 93.06833114323258
February 2025 64.08493080030946
March 2025 75.15318891861568
April 2025 82.98587760591796
May 2025 84.8892147279244
June 2025 54.928377855207124
July 2025 77.93144918821407
August 2025 49.01656314699793
September 2025 39.9491833030853
October 2025 64.875226039783
November 2025 66.3646248640812
December 2025 91.6954255084808
January 2026 91.9631093544137
February 2026 73.02690039583165
March 2026 38.08428489279553