Zip Code: 21821 (Deal Island, MD) - Trend of House - Median Days on Market (Realtor)

Updated on March 13, 2026.

According to data from Realtor.com, the median days on market for houses in the 21821 Zip Code in February 2026 was 109 days. The month over month percentage change (MoM) was -0.0398%, and the year over year percentage change (YoY) was 0.3734%.

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

The chart below shows the trend of the median days on market for houses in the 21821 zip code. The table below shows the trend, and the MoM and YoY percentage changes.

Data Source: Realtor.
Zip Code: 21821 - Trend of House - Median Days on Market
Zip Code: 21821 Trend of House - Median Days on Market
Items per page:
1 – 10 of 116
Month Med. Days on Market MoM Perc. Change (%) YoY Perc. Change (%)
Aug 2016 92
Sep 2016 93
Oct 2016 63
Nov 2016 64
Dec 2016 81
Jan 2017 114
Feb 2017 142
Mar 2017 169
Apr 2017 197
May 2017 206
Jun 2017 110
Jul 2017 117
Aug 2017 117 0.0 0.2717
Sep 2017 133 0.1368 0.434
Oct 2017 123 -0.0752 0.9524
Nov 2017 129 0.0508 1.0195
Dec 2017 153 0.1799 0.8769
Jan 2018 183 0.2 0.6123
Feb 2018 199 0.0847 0.4028
Mar 2018 196 -0.0151 0.1602
Apr 2018 205 0.0486 0.0406
May 2018 139 -0.3207 -0.3224
Jun 2018 146 0.0449 0.3288
Jul 2018 106 -0.2715 -0.094
Aug 2018 47 -0.5613 -0.6026
Sep 2018 65 0.4032 -0.5094
Oct 2018 89 0.364 -0.2764
Nov 2018 121 0.3539 -0.0677
Dec 2018 142 0.1743 -0.0721
Jan 2019 173 0.2226 -0.0546
Feb 2019 210 0.2124 0.0567
Mar 2019 232 0.1061 0.1867
Apr 2019 222 -0.0431 0.0829
May 2019 173 -0.2218 0.2406
Jun 2019 195 0.1302 0.3419
Jul 2019 110 -0.4366 0.0377
Aug 2019 96 -0.1273 1.0645
Sep 2019 92 -0.0417 0.41
Oct 2019 70 -0.2446 -0.2191
Nov 2019 57 -0.1763 -0.5249
Dec 2019 80 0.3974 -0.4346
Jan 2020 90 0.125 -0.4798
Feb 2020 55 -0.3889 -0.7378
Mar 2020 68 0.2364 -0.7069
Apr 2020 84 0.2353 -0.6216
May 2020 99 0.1726 -0.4298
Jun 2020 130 0.3198 -0.3342
Jul 2020 156 0.1962 0.4136
Aug 2020 150 -0.0354 0.5625
Sep 2020 157 0.0467 0.7065
Oct 2020 175 0.1146 1.518
Nov 2020 84 -0.52 0.4672
Dec 2020 88 0.0417 0.0938
Jan 2021 76 -0.1371 -0.1611
Feb 2021 45 -0.404 -0.1818
Mar 2021 69 0.5222 0.0074
Apr 2021 69 0.0109 -0.1756
May 2021 52 -0.2527 -0.4746
Jun 2021 66 0.2754 -0.4923
Jul 2021 68 0.0303 -0.5627
Aug 2021 80 0.1765 -0.4667
Sep 2021 28 -0.65 -0.8217
Oct 2021 27 -0.0536 -0.8486
Nov 2021 50 0.8868 -0.4048
Dec 2021 38 -0.235 -0.5629
Jan 2022 47 0.2288 -0.3775
Feb 2022 70 0.4894 0.5556
Mar 2022 100 0.4214 0.4526
Apr 2022 130 0.3015 0.87
May 2022 130 0.0 1.5024
Jun 2022 176 0.361 1.6705
Jul 2022 135 -0.2369 0.9779
Aug 2022 151 0.1227 0.8875
Sep 2022 125 -0.1722 3.4643
Oct 2022 50 -0.604 0.8679
Nov 2022 62 0.2525 0.24
Dec 2022 32 -0.4839 -0.1634
Jan 2023 57 0.7813 0.2128
Feb 2023 81 0.4167 0.1536
Mar 2023 28 -0.6594 -0.7236
Apr 2023 45 0.6364 -0.6525
May 2023 46 0.0222 -0.6448
Jun 2023 79 0.712 -0.5532
Jul 2023 111 0.4095 -0.1747
Aug 2023 61 -0.4505 -0.596
Sep 2023 44 -0.2787 -0.648
Oct 2023 79 0.7955 0.596
Nov 2023 114 0.443 0.8387
Dec 2023 92 -0.193 1.875
Jan 2024 125 0.3587 1.193
Feb 2024 152 0.216 0.8824
Mar 2024 168 0.1053 5.1091
Apr 2024 203 0.2083 3.5111
May 2024 183 -0.0973 2.9837
Jun 2024 29 -0.8417 -0.6317
Jul 2024 49 0.6897 -0.5586
Aug 2024 69 0.4031 0.127
Sep 2024 40 -0.4182 -0.0909
Oct 2024 52 0.2875 -0.3481
Nov 2024 69 0.3301 -0.3991
Dec 2024 94 0.365 0.0163
Jan 2025 144 0.5401 0.152
Feb 2025 173 0.1979 0.1349
Mar 2025 79 -0.542 -0.5298
Apr 2025 53 -0.3291 -0.7389
May 2025 42 -0.217 -0.7735
Jun 2025 59 0.4217 1.0345
Jul 2025 82 0.3898 0.6735
Aug 2025 110 0.3384 0.5964
Sep 2025 73 -0.3394 0.8125
Oct 2025 77 0.0586 0.4903
Nov 2025 77 0.0 0.1204
Dec 2025 92 0.1987 -0.016
Jan 2026 88 -0.0435 -0.3889
Feb 2026 113 0.2841 -0.3449
Mar 2026 109 -0.0398 0.3734