Zip Code: 21158 (Westminster, 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 21158 Zip Code in February 2026 was 88.466.

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 21158 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: 21158 - Market Hotness: Trend of Supply Score
Zip Code: 21158 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 67.72258669165886
October 2017 54.7552404055483
November 2017 67.10858585858585
December 2017 59.048970901348476
January 2018 59.60831495220907
February 2018 40.38755382692041
March 2018 35.72581210973129
April 2018 55.0176605028049
May 2018 77.5245633187773
June 2018 72.2462274812205
July 2018 71.85381287531479
August 2018 43.87455288707205
September 2018 43.96398681207202
October 2018 69.18677727501257
November 2018 69.2375830433407
December 2018 86.67437676689796
January 2019 77.7660626029654
February 2019 57.09085914428954
March 2019 58.171111880845174
April 2019 58.41332967635765
May 2019 78.68560060369074
June 2019 73.83849929402272
July 2019 39.099665814822096
August 2019 48.30861306271142
September 2019 59.09882034422742
October 2019 68.26749289956106
November 2019 71.40346309074339
December 2019 50.59456586726898
January 2020 46.044370029300964
February 2020 38.81992113334307
March 2020 36.0794409709452
April 2020 43.63960219682351
May 2020 47.2006569125112
June 2020 85.20994516637873
July 2020 77.88260768695383
August 2020 93.81369426751593
September 2020 94.64504034558644
October 2020 79.68304544692269
November 2020 66.51534258091635
December 2020 76.59143008287779
January 2021 62.90733918957212
May 2021 52.21709006928407
June 2021 61.08503438489248
July 2021 46.805289189461995
August 2021 36.68639053254438
September 2021 52.99044151115157
October 2021 61.215290299314816
November 2021 79.04839883551674
December 2021 57.863849765258216
June 2022 87.09911028346782
July 2022 66.80559414652218
August 2022 67.27334871400495
September 2022 48.638394739060786
October 2022 69.12922061436913
November 2022 76.75851161241988
December 2022 55.505560743696414
January 2023 62.22202455079168
February 2023 64.59311799099012
March 2023 31.677704194260485
April 2023 20.73070607553366
May 2023 5.868094131905869
June 2023 51.67011528229383
July 2023 31.864918403924158
August 2023 87.95431886159703
September 2023 70.06301588710393
October 2023 69.92905376527908
November 2023 74.65753424657534
December 2023 84.56205613797768
January 2024 98.81698596274389
February 2024 95.69167369111173
March 2024 67.75241188270131
May 2024 66.84153400868307
June 2024 47.66879640821965
July 2024 81.76577170153188
August 2024 63.539240099606396
September 2024 92.64464745842118
October 2024 79.65424510180561
November 2024 89.28407174612907
December 2024 85.21229868228404
January 2025 51.437253613666236
February 2025 99.08879910599157
March 2025 93.34599119703115
April 2025 96.92333557498318
May 2025 98.83512544802868
June 2025 96.32210607820365
July 2025 94.64070956103427
August 2025 82.74918663117421
September 2025 99.50635208711434
October 2025 98.92224231464738
November 2025 86.6763320043494
December 2025 60.78273000954548
January 2026 85.87150275129815
February 2026 99.38605703207044
March 2026 88.46627782797995