Zip Code: 21012 (Arnold, 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 21012 Zip Code in February 2026 was 34 days. The month over month percentage change (MoM) was -0.3413%, and the year over year percentage change (YoY) was 0.2455%.

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 21012 zip code. The table below shows the trend, and the MoM and YoY percentage changes.

Data Source: Realtor.
Zip Code: 21012 - Trend of House - Median Days on Market
Zip Code: 21012 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 56
Sep 2016 48
Oct 2016 60
Nov 2016 68
Dec 2016 90
Jan 2017 80
Feb 2017 73
Mar 2017 64
Apr 2017 49
May 2017 36
Jun 2017 42
Jul 2017 53
Aug 2017 40 -0.2417 -0.2857
Sep 2017 37 -0.075 -0.2292
Oct 2017 52 0.4054 -0.1333
Nov 2017 56 0.0673 -0.1838
Dec 2017 60 0.0856 -0.3268
Jan 2018 68 0.1286 -0.15
Feb 2018 92 0.3456 0.2534
Mar 2018 51 -0.4399 -0.2023
Apr 2018 31 -0.4049 -0.3807
May 2018 35 0.1475 -0.0278
Jun 2018 40 0.1286 -0.0539
Jul 2018 52 0.3165 -0.0142
Aug 2018 56 0.0673 0.3875
Sep 2018 64 0.1441 0.7162
Oct 2018 48 -0.2441 -0.0769
Nov 2018 51 0.0521 -0.0901
Dec 2018 58 0.1436 -0.0415
Jan 2019 73 0.2641 0.0735
Feb 2019 93 0.2705 0.0137
Mar 2019 47 -0.4987 -0.0927
Apr 2019 38 -0.1828 0.2459
May 2019 36 -0.0658 0.0143
Jun 2019 44 0.2465 0.1203
Jul 2019 37 -0.1638 -0.2885
Aug 2019 49 0.3108 -0.1261
Sep 2019 54 0.1134 -0.1496
Oct 2019 58 0.0741 0.2083
Nov 2019 64 0.1034 0.2673
Dec 2019 62 -0.0313 0.0736
Jan 2020 71 0.1371 -0.0342
Feb 2020 87 0.234 -0.062
Mar 2020 53 -0.3908 0.1398
Apr 2020 30 -0.4434 -0.2237
May 2020 37 0.2373 0.0282
Jun 2020 59 0.6164 0.3333
Jul 2020 46 -0.2288 0.2297
Aug 2020 33 -0.2747 -0.3196
Sep 2020 40 0.2121 -0.2593
Oct 2020 22 -0.45 -0.6207
Nov 2020 48 1.1591 -0.2578
Dec 2020 46 -0.0421 -0.2661
Jan 2021 49 0.0769 -0.305
Feb 2021 52 0.0612 -0.4023
Mar 2021 31 -0.4135 -0.4245
Apr 2021 20 -0.3607 -0.339
May 2021 33 0.6667 -0.1096
Jun 2021 21 -0.3538 -0.6441
Jul 2021 23 0.0714 -0.5055
Aug 2021 30 0.3111 -0.1061
Sep 2021 33 0.1186 -0.175
Oct 2021 40 0.197 0.7955
Nov 2021 43 0.0886 -0.0947
Dec 2021 46 0.0756 0.0165
Jan 2022 52 0.1297 0.0663
Feb 2022 42 -0.1962 -0.1923
Mar 2022 29 -0.3036 -0.041
Apr 2022 29 -0.0085 0.4872
May 2022 28 -0.0345 -0.1385
Jun 2022 31 0.1071 0.4762
Jul 2022 27 -0.129 0.2
Aug 2022 26 -0.037 -0.1186
Sep 2022 36 0.3846 0.0909
Oct 2022 37 0.0208 -0.0696
Nov 2022 37 0.0068 -0.1395
Dec 2022 51 0.3716 0.0973
Jan 2023 55 0.0739 0.0431
Feb 2023 63 0.1468 0.4881
Mar 2023 62 -0.016 1.1026
Apr 2023 26 -0.5854 -0.1207
May 2023 28 0.0784 -0.0179
Jun 2023 22 -0.2182 -0.3065
Jul 2023 34 0.5698 0.25
Aug 2023 30 -0.1111 0.1538
Sep 2023 29 -0.0417 -0.2014
Oct 2023 38 0.3217 0.034
Nov 2023 33 -0.1316 -0.1081
Dec 2023 37 0.1212 -0.2709
Jan 2024 29 -0.2162 -0.4679
Feb 2024 54 0.8621 -0.136
Mar 2024 46 -0.1435 -0.248
Apr 2024 45 -0.0378 0.7451
May 2024 38 -0.1517 0.3727
Jun 2024 21 -0.4437 -0.0233
Jul 2024 25 0.1905 -0.2593
Aug 2024 26 0.04 -0.1333
Sep 2024 42 0.5962 0.4435
Oct 2024 30 -0.2771 -0.2105
Nov 2024 25 -0.1667 -0.2424
Dec 2024 47 0.88 0.2703
Jan 2025 49 0.0426 0.6897
Feb 2025 46 -0.0714 -0.1574
Mar 2025 28 -0.3956 -0.4054
Apr 2025 33 0.1818 -0.2697
May 2025 16 -0.5077 -0.5762
Jun 2025 17 0.0625 -0.1905
Jul 2025 30 0.7794 0.21
Aug 2025 43 0.4298 0.6635
Sep 2025 36 -0.1676 -0.1325
Oct 2025 44 0.2083 0.45
Nov 2025 35 -0.2069 0.38
Dec 2025 34 -0.0145 -0.2766
Jan 2026 44 0.2868 -0.1071
Feb 2026 52 0.1886 0.1429
Mar 2026 34 -0.3413 0.2455