Zip Code: 21046 (Columbia, 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 21046 Zip Code in February 2026 was 10. The month over month percentage change (MoM) was -0.05%, and the year over year percentage change (YoY) was -0.05%.

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

The chart below shows the trend of active listing count in the 21046 zip code. The table below shows the trend, and the MoM and YoY percentage changes.

Data Source: Realtor.
Zip Code: 21046 - Trend of Active Listing Count of Houses
Zip Code: 21046 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 47
Sep 2016 42
Oct 2016 43
Nov 2016 42
Dec 2016 42
Jan 2017 30
Feb 2017 32
Mar 2017 30
Apr 2017 32
May 2017 27
Jun 2017 30
Jul 2017 29
Aug 2017 34 0.193 -0.2766
Sep 2017 35 0.0294 -0.1566
Oct 2017 42 0.2 -0.0233
Nov 2017 41 -0.0238 -0.0238
Dec 2017 30 -0.2805 -0.2976
Jan 2018 17 -0.4237 -0.4333
Feb 2018 15 -0.1176 -0.5238
Mar 2018 14 -0.0667 -0.5254
Apr 2018 24 0.7143 -0.25
May 2018 26 0.0625 -0.0556
Jun 2018 33 0.2745 0.1017
Jul 2018 38 0.1692 0.3333
Aug 2018 40 0.0395 0.1618
Sep 2018 36 -0.0886 0.0286
Oct 2018 31 -0.1389 -0.2619
Nov 2018 38 0.2097 -0.0854
Dec 2018 41 0.08 0.3729
Jan 2019 32 -0.2099 0.8824
Feb 2019 27 -0.1719 0.7667
Mar 2019 24 -0.0943 0.7143
Apr 2019 20 -0.1667 -0.1667
May 2019 21 0.05 -0.1765
Jun 2019 25 0.1905 -0.2308
Jul 2019 21 -0.16 -0.4474
Aug 2019 22 0.0476 -0.443
Sep 2019 22 0.0 -0.3889
Oct 2019 23 0.0455 -0.2581
Nov 2019 24 0.0435 -0.36
Dec 2019 24 0.0 -0.4074
Jan 2020 17 -0.2917 -0.4688
Feb 2020 14 -0.1765 -0.4717
Mar 2020 12 -0.1429 -0.5
Apr 2020 16 0.2917 -0.225
May 2020 19 0.1935 -0.119
Jun 2020 18 -0.027 -0.28
Jul 2020 17 -0.0833 -0.2143
Aug 2020 14 -0.1818 -0.3864
Sep 2020 9 -0.3333 -0.5909
Oct 2020 10 0.1111 -0.5652
Nov 2020 6 -0.4 -0.75
Dec 2020 6 -0.0833 -0.7708
Jan 2021 6 0.0909 -0.6471
Feb 2021 6 0.0 -0.5714
Mar 2021 6 -0.0833 -0.5417
Apr 2021 7 0.1818 -0.5806
May 2021 9 0.3846 -0.5135
Jun 2021 10 0.1111 -0.4444
Jul 2021 12 0.15 -0.303
Aug 2021 15 0.3043 0.1111
Sep 2021 13 -0.1333 0.4444
Oct 2021 18 0.3846 0.8
Nov 2021 17 -0.0556 1.8333
Dec 2021 11 -0.3824 0.9091
Jan 2022 7 -0.3333 0.1667
Feb 2022 6 -0.1429 0.0
Mar 2022 8 0.25 0.3636
Apr 2022 9 0.2 0.3846
May 2022 9 0.0 0.0
Jun 2022 9 0.0 -0.1
Jul 2022 13 0.3889 0.087
Aug 2022 13 0.04 -0.1333
Sep 2022 17 0.3077 0.3077
Oct 2022 13 -0.2647 -0.3056
Nov 2022 18 0.44 0.0588
Dec 2022 11 -0.3889 0.0476
Jan 2023 10 -0.0909 0.4286
Feb 2023 6 -0.45 -0.0833
Mar 2023 5 -0.1818 -0.4
Apr 2023 4 -0.1111 -0.5556
May 2023 5 0.25 -0.4444
Jun 2023 4 -0.2 -0.5556
Jul 2023 6 0.375 -0.56
Aug 2023 6 0.0909 -0.5385
Sep 2023 7 0.1667 -0.5882
Oct 2023 10 0.4286 -0.2
Nov 2023 8 -0.2 -0.5556
Dec 2023 7 -0.1875 -0.4091
Jan 2024 8 0.2308 -0.2
Feb 2024 8 -0.0625 0.3636
Mar 2024 7 -0.1333 0.4444
Apr 2024 7 0.0769 0.75
May 2024 5 -0.2857 0.0
Jun 2024 8 0.6 1.0
Jul 2024 3 -0.625 -0.4545
Aug 2024 8 1.5 0.25
Sep 2024 5 -0.3333 -0.2857
Oct 2024 5 0.0 -0.5
Nov 2024 10 0.9 0.1875
Dec 2024 8 -0.1579 0.2308
Jan 2025 4 -0.5 -0.5
Feb 2025 7 0.625 -0.1333
Mar 2025 10 0.5385 0.5385
Apr 2025 11 0.1 0.5714
May 2025 13 0.1818 1.6
Jun 2025 16 0.2308 1.0
Jul 2025 17 0.0313 4.5
Aug 2025 13 -0.2424 0.6667
Sep 2025 16 0.28 2.2
Oct 2025 21 0.3125 3.2
Nov 2025 25 0.1667 1.5789
Dec 2025 21 -0.1429 1.625
Jan 2026 14 -0.3571 2.375
Feb 2026 10 -0.2593 0.5385
Mar 2026 10 -0.05 -0.05