Zip Code: 21015 (Bel Air, 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 21015 Zip Code in February 2026 was 50. The month over month percentage change (MoM) was 0.1111%, and the year over year percentage change (YoY) was 0.3699%.

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

The chart below shows the trend of active listing count in the 21015 zip code. The table below shows the trend, and the MoM and YoY percentage changes.

Data Source: Realtor.
Zip Code: 21015 - Trend of Active Listing Count of Houses
Zip Code: 21015 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 136
Sep 2016 138
Oct 2016 139
Nov 2016 156
Dec 2016 147
Jan 2017 119
Feb 2017 107
Mar 2017 98
Apr 2017 111
May 2017 106
Jun 2017 114
Jul 2017 117
Aug 2017 122 0.0472 -0.1029
Sep 2017 124 0.0164 -0.0982
Oct 2017 124 0.0 -0.1079
Nov 2017 120 -0.0323 -0.2308
Dec 2017 120 -0.0042 -0.1871
Jan 2018 94 -0.2134 -0.2101
Feb 2018 81 -0.1383 -0.2394
Mar 2018 73 -0.0988 -0.2513
Apr 2018 77 0.0548 -0.3032
May 2018 87 0.1299 -0.1792
Jun 2018 96 0.1034 -0.1579
Jul 2018 98 0.0208 -0.1588
Aug 2018 101 0.0306 -0.1721
Sep 2018 103 0.0149 -0.1734
Oct 2018 110 0.0732 -0.1129
Nov 2018 101 -0.0818 -0.1583
Dec 2018 88 -0.1337 -0.2678
Jan 2019 84 -0.04 -0.1064
Feb 2019 77 -0.0833 -0.0494
Mar 2019 76 -0.0195 0.0342
Apr 2019 81 0.0728 0.0519
May 2019 90 0.1049 0.0287
Jun 2019 106 0.1844 0.1042
Jul 2019 120 0.1321 0.2245
Aug 2019 120 -0.0042 0.1832
Sep 2019 112 -0.0628 0.0927
Oct 2019 109 -0.0313 -0.0136
Nov 2019 104 -0.0415 0.0297
Dec 2019 92 -0.1154 0.0514
Jan 2020 84 -0.0924 -0.006
Feb 2020 76 -0.0958 -0.0195
Mar 2020 81 0.0728 0.0728
Apr 2020 75 -0.0802 -0.0802
May 2020 68 -0.094 -0.2458
Jun 2020 64 -0.0519 -0.3962
Jul 2020 59 -0.0859 -0.5125
Aug 2020 62 0.0513 -0.4854
Sep 2020 54 -0.122 -0.5179
Oct 2020 58 0.0741 -0.4654
Nov 2020 52 -0.1034 -0.5
Dec 2020 51 -0.0288 -0.4511
Jan 2021 40 -0.2079 -0.521
Feb 2021 27 -0.325 -0.6424
Mar 2021 25 -0.0926 -0.6975
Apr 2021 26 0.0408 -0.6577
May 2021 26 0.0196 -0.6148
Jun 2021 26 0.0 -0.5938
Jul 2021 32 0.2115 -0.4615
Aug 2021 33 0.0476 -0.4634
Sep 2021 37 0.1061 -0.3241
Oct 2021 43 0.1781 -0.2586
Nov 2021 41 -0.0465 -0.2115
Dec 2021 28 -0.3171 -0.4455
Jan 2022 24 -0.1607 -0.4125
Feb 2022 17 -0.2766 -0.3704
Mar 2022 17 0.0 -0.3061
Apr 2022 17 -0.0294 -0.3529
May 2022 19 0.1515 -0.2692
Jun 2022 23 0.2105 -0.1154
Jul 2022 27 0.1739 -0.1429
Aug 2022 33 0.2222 0.0
Sep 2022 34 0.0152 -0.0822
Oct 2022 37 0.0896 -0.1512
Nov 2022 39 0.0685 -0.0488
Dec 2022 35 -0.1154 0.2321
Jan 2023 24 -0.3043 0.0213
Feb 2023 23 -0.0625 0.3235
Mar 2023 18 -0.2 0.0588
Apr 2023 17 -0.0556 0.0303
May 2023 9 -0.4706 -0.5263
Jun 2023 10 0.0556 -0.587
Jul 2023 14 0.4211 -0.5
Aug 2023 15 0.1111 -0.5455
Sep 2023 17 0.1 -0.5075
Oct 2023 21 0.2727 -0.4247
Nov 2023 35 0.6429 -0.1154
Dec 2023 34 -0.029 -0.029
Jan 2024 17 -0.4925 -0.2917
Feb 2024 19 0.0882 -0.1778
Mar 2024 15 -0.2162 -0.1944
Apr 2024 19 0.3103 0.1176
May 2024 28 0.4474 2.0556
Jun 2024 33 0.1818 2.4211
Jul 2024 34 0.0462 1.5185
Aug 2024 33 -0.0441 1.1667
Sep 2024 32 -0.0154 0.9394
Oct 2024 29 -0.1094 0.3571
Nov 2024 42 0.4561 0.2029
Dec 2024 37 -0.1084 0.1045
Jan 2025 33 -0.1081 0.9412
Feb 2025 32 -0.0303 0.7297
Mar 2025 37 0.1406 1.5172
Apr 2025 41 0.1233 1.1579
May 2025 41 -0.0122 0.4727
Jun 2025 55 0.358 0.6923
Jul 2025 63 0.1455 0.8529
Aug 2025 63 -0.0079 0.9231
Sep 2025 67 0.072 1.0938
Oct 2025 63 -0.0672 1.193
Nov 2025 64 0.016 0.5301
Dec 2025 68 0.0709 0.8378
Jan 2026 51 -0.25 0.5455
Feb 2026 45 -0.1176 0.4063
Mar 2026 50 0.1111 0.3699