Zip Code: 21120 (Parkton, 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 21120 Zip Code in February 2026 was 9. The month over month percentage change (MoM) was -0.1%, and the year over year percentage change (YoY) was 1.25%.

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

The chart below shows the trend of active listing count in the 21120 zip code. The table below shows the trend, and the MoM and YoY percentage changes.

Data Source: Realtor.
Zip Code: 21120 - Trend of Active Listing Count of Houses
Zip Code: 21120 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 46
Sep 2016 43
Oct 2016 40
Nov 2016 41
Dec 2016 36
Jan 2017 31
Feb 2017 30
Mar 2017 32
Apr 2017 32
May 2017 36
Jun 2017 35
Jul 2017 33
Aug 2017 32 -0.0154 -0.3043
Sep 2017 36 0.125 -0.1628
Oct 2017 32 -0.1111 -0.1899
Nov 2017 33 0.0313 -0.1951
Dec 2017 25 -0.2424 -0.3056
Jan 2018 19 -0.24 -0.3871
Feb 2018 19 -0.0263 -0.3729
Mar 2018 19 0.027 -0.3968
Apr 2018 20 0.0526 -0.3651
May 2018 23 0.125 -0.375
Jun 2018 24 0.0667 -0.3143
Jul 2018 25 0.0417 -0.2308
Aug 2018 23 -0.1 -0.2969
Sep 2018 19 -0.1778 -0.4861
Oct 2018 19 0.027 -0.4063
Nov 2018 19 0.0 -0.4242
Dec 2018 19 -0.0263 -0.26
Jan 2019 17 -0.0811 -0.1053
Feb 2019 17 0.0 -0.0811
Mar 2019 22 0.2941 0.1579
Apr 2019 27 0.2273 0.35
May 2019 32 0.1667 0.4
Jun 2019 33 0.0317 0.3542
Jul 2019 33 0.0154 0.32
Aug 2019 31 -0.0758 0.3556
Sep 2019 34 0.1148 0.8378
Oct 2019 34 0.0 0.7895
Nov 2019 32 -0.0588 0.6842
Dec 2019 28 -0.125 0.5135
Jan 2020 19 -0.3393 0.0882
Feb 2020 16 -0.1351 -0.0588
Mar 2020 14 -0.125 -0.3636
Apr 2020 12 -0.1429 -0.5556
May 2020 12 0.0 -0.619
Jun 2020 15 0.25 -0.5385
Jul 2020 14 -0.1 -0.5909
Aug 2020 9 -0.3333 -0.7049
Sep 2020 7 -0.2222 -0.7941
Oct 2020 5 -0.2857 -0.8529
Nov 2020 6 0.2 -0.8125
Dec 2020 9 0.4167 -0.6964
Jan 2021 8 -0.1176 -0.5946
Feb 2021 7 -0.0667 -0.5625
Mar 2021 5 -0.3571 -0.6786
Apr 2021 6 0.3333 -0.5
May 2021 5 -0.25 -0.625
Jun 2021 10 1.2222 -0.3333
Jul 2021 10 -0.05 -0.2963
Aug 2021 6 -0.3684 -0.3333
Sep 2021 5 -0.1667 -0.2857
Oct 2021 6 0.1 0.1
Nov 2021 7 0.2727 0.1667
Dec 2021 7 0.0 -0.1765
Jan 2022 4 -0.4286 -0.4667
Feb 2022 5 0.25 -0.2857
Mar 2022 6 0.1 0.2222
Apr 2022 4 -0.2727 -0.3333
May 2022 4 0.0 -0.1111
Jun 2022 4 -0.125 -0.65
Jul 2022 5 0.4286 -0.4737
Aug 2022 6 0.2 0.0
Sep 2022 7 0.1667 0.4
Oct 2022 9 0.2857 0.6364
Nov 2022 7 -0.2222 0.0
Dec 2022 5 -0.2857 -0.2857
Jan 2023 4 -0.2 0.0
Feb 2023 2 -0.625 -0.7
Mar 2023 3 1.0 -0.4545
Apr 2023 4 0.3333 0.0
May 2023 5 0.25 0.25
Jun 2023 5 -0.1 0.2857
Jul 2023 4 -0.1111 -0.2
Aug 2023 7 0.75 0.1667
Sep 2023 5 -0.2857 -0.2857
Oct 2023 7 0.4 -0.2222
Nov 2023 9 0.2143 0.2143
Dec 2023 8 -0.0588 0.6
Jan 2024 6 -0.25 0.5
Feb 2024 9 0.5 5.0
Mar 2024 9 0.0 2.0
Apr 2024 8 -0.1111 1.0
May 2024 12 0.5 1.4
Jun 2024 11 -0.125 1.3333
Jul 2024 8 -0.2381 1.0
Aug 2024 5 -0.375 -0.2857
Sep 2024 5 0.0 0.0
Oct 2024 10 0.9 0.3571
Nov 2024 11 0.1053 0.2353
Dec 2024 7 -0.3333 -0.125
Jan 2025 7 0.0 0.1667
Feb 2025 9 0.2857 0.0
Mar 2025 4 -0.5556 -0.5556
Apr 2025 4 0.0 -0.5
May 2025 4 -0.125 -0.7083
Jun 2025 2 -0.4286 -0.8095
Jul 2025 1 -0.5 -0.875
Aug 2025 3 1.5 -0.5
Sep 2025 5 1.0 0.0
Oct 2025 8 0.6 -0.1579
Nov 2025 14 0.6875 0.2857
Dec 2025 12 -0.1111 0.7143
Jan 2026 9 -0.25 0.2857
Feb 2026 10 0.1111 0.1111
Mar 2026 9 -0.1 1.25