Zip Code: 21871 (Westover, 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 21871 Zip Code in February 2026 was 4. The month over month percentage change (MoM) was -0.3%, and the year over year percentage change (YoY) was -0.7308%.

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

The chart below shows the trend of active listing count in the 21871 zip code. The table below shows the trend, and the MoM and YoY percentage changes.

Data Source: Realtor.
Zip Code: 21871 - Trend of Active Listing Count of Houses
Zip Code: 21871 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 26
Sep 2016 26
Oct 2016 25
Nov 2016 24
Dec 2016 20
Jan 2017 20
Feb 2017 17
Mar 2017 20
Apr 2017 21
May 2017 17
Jun 2017 17
Jul 2017 16
Aug 2017 19 0.1875 -0.2692
Sep 2017 22 0.1316 -0.1569
Oct 2017 21 -0.0233 -0.16
Nov 2017 22 0.0476 -0.0833
Dec 2017 19 -0.1591 -0.075
Jan 2018 16 -0.1351 -0.2
Feb 2018 12 -0.25 -0.2941
Mar 2018 14 0.1667 -0.2821
Apr 2018 17 0.2143 -0.1707
May 2018 18 0.0588 0.0588
Jun 2018 20 0.0833 0.1471
Jul 2018 20 0.0256 0.25
Aug 2018 20 -0.025 0.0263
Sep 2018 15 -0.2308 -0.3023
Oct 2018 17 0.1333 -0.1905
Nov 2018 13 -0.2353 -0.4091
Dec 2018 10 -0.2308 -0.4595
Jan 2019 9 -0.1 -0.4375
Feb 2019 9 0.0 -0.25
Mar 2019 9 0.0 -0.3571
Apr 2019 10 0.1111 -0.4118
May 2019 12 0.2 -0.3333
Jun 2019 13 0.0833 -0.3333
Jul 2019 11 -0.1538 -0.45
Aug 2019 14 0.2273 -0.3077
Sep 2019 13 -0.037 -0.1333
Oct 2019 11 -0.1923 -0.3824
Nov 2019 9 -0.1429 -0.3077
Dec 2019 9 0.0 -0.1
Jan 2020 7 -0.2222 -0.2222
Feb 2020 7 -0.0714 -0.2778
Mar 2020 5 -0.2308 -0.4444
Apr 2020 7 0.4 -0.3
May 2020 7 0.0 -0.4167
Jun 2020 5 -0.2857 -0.6154
Jul 2020 5 -0.1 -0.5909
Aug 2020 3 -0.3333 -0.7778
Sep 2020 5 0.6667 -0.6154
Oct 2020 6 0.1 -0.4762
Nov 2020 3 -0.4545 -0.6667
Dec 2020 3 -0.1667 -0.7222
Jan 2021 3 0.2 -0.5714
Feb 2021 6 1.0 -0.0769
Mar 2021 5 -0.25 -0.1
Apr 2021 6 0.3333 -0.1429
May 2021 8 0.3333 0.1429
Jun 2021 8 0.0 0.6
Jul 2021 7 -0.125 0.5556
Aug 2021 9 0.2857 2.0
Sep 2021 8 -0.1111 0.6
Oct 2021 8 -0.0625 0.3636
Nov 2021 7 -0.0667 1.3333
Dec 2021 7 -0.0714 1.6
Jan 2022 6 -0.0769 1.0
Feb 2022 4 -0.3333 -0.3333
Mar 2022 5 0.25 0.1111
Apr 2022 6 0.2 0.0
May 2022 7 0.1667 -0.125
Jun 2022 6 -0.1429 -0.25
Jul 2022 6 -0.0833 -0.2143
Aug 2022 8 0.4545 -0.1111
Sep 2022 15 0.875 0.875
Oct 2022 13 -0.1333 0.7333
Nov 2022 12 -0.0769 0.7143
Dec 2022 7 -0.4167 0.0769
Jan 2023 6 -0.1429 0.0
Feb 2023 4 -0.4167 -0.125
Mar 2023 3 -0.1429 -0.4
Apr 2023 2 -0.3333 -0.6667
May 2023 3 0.5 -0.5714
Jun 2023 4 0.3333 -0.3333
Jul 2023 5 0.25 -0.0909
Aug 2023 2 -0.6 -0.75
Sep 2023 2 0.0 -0.8667
Oct 2023 2 0.0 -0.8462
Nov 2023 3 0.5 -0.75
Dec 2023 3 0.0 -0.5714
Jan 2024 2 -0.3333 -0.6667
Feb 2024 3 0.5 -0.1429
Mar 2024 3 -0.1667 -0.1667
Apr 2024 7 1.8 2.5
May 2024 9 0.2857 2.0
Jun 2024 9 0.0 1.25
Jul 2024 8 -0.1111 0.6
Aug 2024 8 -0.0625 2.75
Sep 2024 6 -0.2 2.0
Oct 2024 8 0.25 2.75
Nov 2024 8 0.0 1.5
Dec 2024 10 0.3333 2.3333
Jan 2025 12 0.2 5.0
Feb 2025 13 0.0417 3.1667
Mar 2025 13 0.04 4.2
Apr 2025 13 0.0 0.8571
May 2025 11 -0.1923 0.1667
Jun 2025 7 -0.3333 -0.2222
Jul 2025 7 -0.0714 -0.1875
Aug 2025 11 0.6923 0.4667
Sep 2025 9 -0.1818 0.5
Oct 2025 6 -0.3333 -0.2
Nov 2025 9 0.5 0.2
Dec 2025 9 0.0 -0.1
Jan 2026 7 -0.2222 -0.4167
Feb 2026 5 -0.2857 -0.6
Mar 2026 4 -0.3 -0.7308