Zip Code: 21158 (Westminster, MD) - Trend of Active Listing Count of Houses (Realtor)
Updated on March 13, 2026.

According to data from Realtor.com, the active listing count of houses in the 21158 Zip Code in February 2026 was 28. The month over month percentage change (MoM) was -0.0179%, and the year over year percentage change (YoY) was 0.5714%.

You can see similar for other Maryland Zip Codes, and for Maryland.

The chart below shows the trend of active listing count in the 21158 zip code. The table below shows the trend, and the MoM and YoY percentage changes.

Data Source: Realtor.
Zip Code: 21158 - Trend of Active Listing Count of Houses
Zip Code: 21158 Trend of Active Listing Count of Houses
Items per page:
1 – 10 of 116
Month Active Listing Count MoM Perc. Change (%) YoY Perc. Change (%)
Aug 2016 100
Sep 2016 100
Oct 2016 98
Nov 2016 101
Dec 2016 94
Jan 2017 81
Feb 2017 77
Mar 2017 69
Apr 2017 73
May 2017 86
Jun 2017 99
Jul 2017 95
Aug 2017 95 0.0053 -0.05
Sep 2017 95 -0.0053 -0.0503
Oct 2017 88 -0.0688 -0.0974
Nov 2017 96 0.0852 -0.0545
Dec 2017 88 -0.0785 -0.0638
Jan 2018 81 -0.0795 0.0
Feb 2018 72 -0.1111 -0.0649
Mar 2018 65 -0.0972 -0.0511
Apr 2018 71 0.0923 -0.0274
May 2018 79 0.1127 -0.0814
Jun 2018 92 0.1646 -0.0707
Jul 2018 96 0.0435 0.0159
Aug 2018 82 -0.1458 -0.1368
Sep 2018 76 -0.0732 -0.1958
Oct 2018 76 0.0 -0.1364
Nov 2018 77 0.0066 -0.199
Dec 2018 69 -0.098 -0.2159
Jan 2019 61 -0.1159 -0.2469
Feb 2019 52 -0.1475 -0.2778
Mar 2019 48 -0.0769 -0.2615
Apr 2019 55 0.1458 -0.2254
May 2019 69 0.2545 -0.1266
Jun 2019 81 0.1739 -0.1196
Jul 2019 80 -0.0123 -0.1667
Aug 2019 78 -0.0313 -0.0549
Sep 2019 77 -0.0065 0.0132
Oct 2019 77 0.0 0.0132
Nov 2019 78 0.013 0.0196
Dec 2019 66 -0.1538 -0.0435
Jan 2020 62 -0.0682 0.0082
Feb 2020 54 -0.122 0.0385
Mar 2020 49 -0.0926 0.0208
Apr 2020 49 -0.0102 -0.1182
May 2020 40 -0.1753 -0.4203
Jun 2020 38 -0.05 -0.5309
Jul 2020 31 -0.1842 -0.6125
Aug 2020 30 -0.0484 -0.6194
Sep 2020 28 -0.0508 -0.6364
Oct 2020 24 -0.1429 -0.6883
Nov 2020 16 -0.3333 -0.7949
Dec 2020 15 -0.0625 -0.7727
Jan 2021 15 0.0 -0.7561
Feb 2021 12 -0.2 -0.7778
Mar 2021 15 0.2083 -0.7041
Apr 2021 14 -0.069 -0.7216
May 2021 19 0.3704 -0.5375
Jun 2021 21 0.1351 -0.4474
Jul 2021 23 0.0714 -0.2742
Aug 2021 25 0.1111 -0.1525
Sep 2021 28 0.12 0.0
Oct 2021 23 -0.1786 -0.0417
Nov 2021 21 -0.087 0.3125
Dec 2021 18 -0.1667 0.1667
Jan 2022 12 -0.3143 -0.2
Feb 2022 10 -0.1667 -0.1667
Mar 2022 6 -0.4 -0.5862
Apr 2022 9 0.5 -0.3333
May 2022 12 0.3333 -0.3514
Jun 2022 18 0.4583 -0.1667
Jul 2022 21 0.2 -0.0667
Aug 2022 29 0.381 0.16
Sep 2022 31 0.069 0.1071
Oct 2022 30 -0.0484 0.2826
Nov 2022 34 0.1525 0.619
Dec 2022 34 -0.0147 0.9143
Jan 2023 36 0.0746 2.0
Feb 2023 27 -0.25 1.7
Mar 2023 22 -0.2037 2.5833
Apr 2023 23 0.0698 1.5556
May 2023 16 -0.3043 0.3333
Jun 2023 19 0.1875 0.0857
Jul 2023 17 -0.1316 -0.2143
Aug 2023 20 0.2121 -0.3103
Sep 2023 21 0.05 -0.3226
Oct 2023 23 0.0952 -0.2203
Nov 2023 26 0.1304 -0.2353
Dec 2023 29 0.0962 -0.1493
Jan 2024 25 -0.1228 -0.3056
Feb 2024 25 0.0 -0.0741
Mar 2024 18 -0.3 -0.186
Apr 2024 14 -0.2 -0.3913
May 2024 18 0.25 0.0938
Jun 2024 21 0.1714 0.0789
Jul 2024 18 -0.122 0.0909
Aug 2024 16 -0.1111 -0.2
Sep 2024 29 0.8125 0.381
Oct 2024 24 -0.1724 0.0435
Nov 2024 28 0.1458 0.0577
Dec 2024 23 -0.1636 -0.193
Jan 2025 20 -0.1522 -0.22
Feb 2025 22 0.1282 -0.12
Mar 2025 18 -0.2045 0.0
Apr 2025 24 0.3714 0.7143
May 2025 31 0.2708 0.7429
Jun 2025 36 0.1803 0.7561
Jul 2025 29 -0.2083 0.5833
Aug 2025 23 -0.193 0.4375
Sep 2025 26 0.1304 -0.1034
Oct 2025 35 0.3269 0.4375
Nov 2025 39 0.1159 0.4
Dec 2025 31 -0.1948 0.3478
Jan 2026 30 -0.0484 0.5128
Feb 2026 28 -0.0508 0.2727
Mar 2026 28 -0.0179 0.5714