Zip Code: 21520 (Accident, 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 21520 Zip Code in February 2026 was 2. The month over month percentage change (MoM) was -0.3333%, and the year over year percentage change (YoY) was -0.6364%.

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

The chart below shows the trend of active listing count in the 21520 zip code. The table below shows the trend, and the MoM and YoY percentage changes.

Data Source: Realtor.
Zip Code: 21520 - Trend of Active Listing Count of Houses
Zip Code: 21520 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 17
Sep 2016 19
Oct 2016 18
Nov 2016 18
Dec 2016 13
Jan 2017 9
Feb 2017 7
Mar 2017 7
Apr 2017 9
May 2017 7
Jun 2017 9
Jul 2017 11
Aug 2017 11 0.0476 -0.3529
Sep 2017 8 -0.2727 -0.5676
Oct 2017 9 0.125 -0.4857
Nov 2017 10 0.0556 -0.4722
Dec 2017 11 0.1053 -0.1923
Jan 2018 10 -0.0476 0.1111
Feb 2018 9 -0.15 0.2143
Mar 2018 9 0.0588 0.2857
Apr 2018 9 0.0 0.0588
May 2018 11 0.2222 0.5714
Jun 2018 13 0.1364 0.3889
Jul 2018 15 0.2 0.4286
Aug 2018 15 -0.0333 0.3182
Sep 2018 17 0.1724 1.125
Oct 2018 13 -0.2353 0.4444
Nov 2018 14 0.0769 0.4737
Dec 2018 15 0.0357 0.381
Jan 2019 13 -0.1034 0.3
Feb 2019 12 -0.0769 0.4118
Mar 2019 12 -0.0417 0.2778
Apr 2019 10 -0.1304 0.1111
May 2019 11 0.1 0.0
Jun 2019 14 0.2273 0.08
Jul 2019 17 0.2593 0.1333
Aug 2019 18 0.0294 0.2069
Sep 2019 17 -0.0286 0.0
Oct 2019 16 -0.0588 0.2308
Nov 2019 15 -0.0625 0.0714
Dec 2019 14 -0.0667 -0.0345
Jan 2020 13 -0.0714 0.0
Feb 2020 14 0.0769 0.1667
Mar 2020 15 0.0714 0.3043
Apr 2020 13 -0.1333 0.3
May 2020 12 -0.1154 0.0455
Jun 2020 9 -0.2174 -0.3333
Jul 2020 9 -0.0556 -0.5
Aug 2020 7 -0.1765 -0.6
Sep 2020 6 -0.1429 -0.6471
Oct 2020 6 0.0 -0.625
Nov 2020 5 -0.1667 -0.6667
Dec 2020 5 0.0 -0.6429
Jan 2021 6 0.1 -0.5769
Feb 2021 5 -0.0909 -0.6429
Mar 2021 5 0.0 -0.6667
Apr 2021 4 -0.3 -0.7308
May 2021 4 0.0 -0.6957
Jun 2021 4 0.1429 -0.5556
Jul 2021 6 0.375 -0.3529
Aug 2021 4 -0.2727 -0.4286
Sep 2021 6 0.5 0.0
Oct 2021 9 0.4167 0.4167
Nov 2021 8 -0.0588 0.6
Dec 2021 5 -0.4375 -0.1
Jan 2022 3 -0.4444 -0.5455
Feb 2022 1 -0.6 -0.8
Mar 2022 2 1.0 -0.6
Apr 2022 3 0.5 -0.1429
May 2022 5 0.6667 0.4286
Jun 2022 3 -0.4 -0.25
Jul 2022 6 1.0 0.0909
Aug 2022 6 0.0 0.5
Sep 2022 6 0.0 0.0
Oct 2022 5 -0.1667 -0.4118
Nov 2022 8 0.6 0.0
Dec 2022 8 -0.0625 0.6667
Jan 2023 6 -0.2 1.4
Feb 2023 4 -0.3333 3.0
Mar 2023 2 -0.5 0.0
Apr 2023 3 0.25 -0.1667
May 2023 2 -0.2 -0.6
Jun 2023 2 0.0 -0.3333
Jul 2023 3 0.25 -0.5833
Aug 2023 4 0.6 -0.3333
Sep 2023 4 0.0 -0.3333
Oct 2023 5 0.25 0.0
Nov 2023 5 0.0 -0.375
Dec 2023 5 0.0 -0.3333
Jan 2024 7 0.4 0.1667
Feb 2024 6 -0.1429 0.5
Mar 2024 4 -0.3333 1.0
Apr 2024 4 0.0 0.6
May 2024 5 0.25 1.5
Jun 2024 4 -0.2 1.0
Jul 2024 6 0.5 1.4
Aug 2024 9 0.4167 1.125
Sep 2024 8 -0.0588 1.0
Oct 2024 12 0.4375 1.3
Nov 2024 9 -0.2174 0.8
Dec 2024 5 -0.4444 0.0
Jan 2025 8 0.6 0.1429
Feb 2025 9 0.0625 0.4167
Mar 2025 6 -0.3529 0.375
Apr 2025 8 0.4545 1.0
May 2025 9 0.125 0.8
Jun 2025 9 0.0 1.25
Jul 2025 11 0.2222 0.8333
Aug 2025 11 0.0 0.2941
Sep 2025 11 0.0 0.375
Oct 2025 10 -0.1364 -0.1739
Nov 2025 8 -0.1579 -0.1111
Dec 2025 6 -0.25 0.2
Jan 2026 3 -0.5 -0.625
Feb 2026 3 0.0 -0.6471
Mar 2026 2 -0.3333 -0.6364