Zip Code: 21673 (Trappe, 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 21673 Zip Code in January 2026 was 4.023.

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 21673 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: 21673 - Market Hotness: Trend of Supply Score
Zip Code: 21673 - Market Hotness: Trend of Supply Score
Items per page:
0 of 0
Month Supply Score
September 2017 15.651358950328023
October 2017 24.86160353299745
November 2017 18.4469696969697
December 2017 10.523259565133234
January 2018 3.8165898001470486
February 2018 4.875677177385748
March 2018 6.265347646109591
April 2018 9.765219198005402
May 2018 41.71670305676856
June 2018 27.467925280861532
July 2018 8.917156324659391
August 2018 2.503832396525294
September 2018 3.886634542226731
October 2018 3.6513323278029164
November 2018 9.402087946852262
December 2018 35.69776407093293
January 2019 51.716639209225704
February 2019 46.28802966829201
March 2019 46.77519916868722
April 2019 37.52057048820625
May 2019 30.774507786238598
June 2019 29.04592214079204
July 2019 23.445383657689536
August 2019 7.936507936507936
September 2019 14.381486495197576
October 2019 55.428608313968496
November 2019 79.46881916417134
December 2019 43.99123098385704
January 2020 32.16827124319799
February 2020 19.979553088944062
March 2020 5.56822361162192
April 2020 2.8796200089060413
May 2020 1.806509405792774
June 2020 2.0055584766769323
July 2020 2.8304075477534605
August 2020 8.566878980891719
September 2020 7.335561170429537
October 2020 36.50008385041087
November 2020 56.830601092896174
December 2020 32.419326397460765
January 2021 17.615944082365164
July 2021 20.339154133441
September 2021 22.67637687756031
October 2022 0.8377760853008377
August 2023 76.07178464606181
September 2023 38.972219756811924
May 2024 95.17908827785818
June 2024 63.14108098773959
July 2024 17.20474386427277
August 2024 10.844244517631939
September 2024 29.28867025845241
October 2024 16.965040338071454
November 2024 3.7482753334355357
December 2024 2.0343684981120442
January 2025 0.9034165571616295
February 2025 88.40367918851543
March 2025 79.83947527401398
April 2025 55.95998655010087
May 2025 61.83610296513522
June 2025 70.12001548586915
July 2025 29.487372218881543
August 2025 8.39248742975451
September 2025 3.2232304900181488
October 2025 0.3399638336347197
November 2025 0.25371511417180137
December 2025 0.11014024524561275
January 2026 0.1162520344106022
February 2026 4.022942079327894