Zip Code: 21042 (Ellicott City, 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 21042 Zip Code in February 2026 was 30. The month over month percentage change (MoM) was -0.1324%, and the year over year percentage change (YoY) was 0.1569%.

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

The chart below shows the trend of active listing count in the 21042 zip code. The table below shows the trend, and the MoM and YoY percentage changes.

Data Source: Realtor.
Zip Code: 21042 - Trend of Active Listing Count of Houses
Zip Code: 21042 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 157
Sep 2016 153
Oct 2016 151
Nov 2016 144
Dec 2016 133
Jan 2017 105
Feb 2017 87
Mar 2017 83
Apr 2017 86
May 2017 99
Jun 2017 117
Jul 2017 133
Aug 2017 136 0.0264 -0.1338
Sep 2017 119 -0.125 -0.2222
Oct 2017 119 0.0 -0.2119
Nov 2017 109 -0.0882 -0.2465
Dec 2017 114 0.0507 -0.1429
Jan 2018 72 -0.3684 -0.3143
Feb 2018 63 -0.1319 -0.2775
Mar 2018 69 0.096 -0.1747
Apr 2018 82 0.1971 -0.0409
May 2018 105 0.2805 0.0606
Jun 2018 121 0.1476 0.0299
Jul 2018 121 0.0041 -0.0868
Aug 2018 132 0.0868 -0.0331
Sep 2018 132 0.0 0.105
Oct 2018 132 0.0038 0.1092
Nov 2018 129 -0.0227 0.1889
Dec 2018 108 -0.1628 -0.0526
Jan 2019 94 -0.1296 0.3056
Feb 2019 84 -0.1117 0.336
Mar 2019 77 -0.0778 0.1241
Apr 2019 100 0.2987 0.2195
May 2019 132 0.32 0.2571
Jun 2019 144 0.0871 0.1909
Jul 2019 156 0.0871 0.2893
Aug 2019 166 0.0609 0.2586
Sep 2019 153 -0.0755 0.1635
Oct 2019 144 -0.0588 0.0909
Nov 2019 138 -0.0451 0.0659
Dec 2019 129 -0.0618 0.1944
Jan 2020 105 -0.186 0.117
Feb 2020 76 -0.2762 -0.0898
Mar 2020 71 -0.0658 -0.0779
Apr 2020 89 0.2535 -0.11
May 2020 104 0.1685 -0.2121
Jun 2020 113 0.0865 -0.2125
Jul 2020 104 -0.0841 -0.3365
Aug 2020 91 -0.1208 -0.4502
Sep 2020 81 -0.1099 -0.4706
Oct 2020 74 -0.0926 -0.4896
Nov 2020 74 0.0068 -0.4618
Dec 2020 63 -0.1554 -0.5155
Jan 2021 48 -0.232 -0.5429
Feb 2021 39 -0.1875 -0.4868
Mar 2021 33 -0.1667 -0.5423
Apr 2021 32 -0.0308 -0.6461
May 2021 35 0.1111 -0.6635
Jun 2021 45 0.2857 -0.6018
Jul 2021 45 -0.0111 -0.57
Aug 2021 49 0.1011 -0.4615
Sep 2021 54 0.102 -0.3333
Oct 2021 55 0.0185 -0.2517
Nov 2021 46 -0.1636 -0.3784
Dec 2021 38 -0.1739 -0.392
Jan 2022 18 -0.5395 -0.6354
Feb 2022 13 -0.2571 -0.6667
Mar 2022 13 0.0 -0.6
Apr 2022 18 0.3462 -0.4444
May 2022 22 0.2571 -0.3714
Jun 2022 25 0.1364 -0.4444
Jul 2022 34 0.36 -0.236
Aug 2022 40 0.1765 -0.1837
Sep 2022 52 0.3 -0.037
Oct 2022 55 0.0577 0.0
Nov 2022 45 -0.1818 -0.0217
Dec 2022 51 0.1222 0.3289
Jan 2023 40 -0.2079 1.2857
Feb 2023 41 0.025 2.1538
Mar 2023 32 -0.2317 1.4231
Apr 2023 25 -0.2063 0.4286
May 2023 31 0.24 0.4091
Jun 2023 26 -0.1613 0.04
Jul 2023 38 0.4423 0.1029
Aug 2023 39 0.04 -0.025
Sep 2023 29 -0.2692 -0.4519
Oct 2023 33 0.1579 -0.4
Nov 2023 38 0.1515 -0.1556
Dec 2023 35 -0.0789 -0.3069
Jan 2024 30 -0.1429 -0.25
Feb 2024 27 -0.1167 -0.3537
Mar 2024 23 -0.1321 -0.2698
Apr 2024 23 0.0 -0.08
May 2024 26 0.1304 -0.1613
Jun 2024 29 0.1154 0.1154
Jul 2024 32 0.1034 -0.1467
Aug 2024 43 0.3438 0.1026
Sep 2024 33 -0.2326 0.1579
Oct 2024 30 -0.0909 -0.0909
Nov 2024 30 0.0 -0.2105
Dec 2024 30 0.0 -0.1429
Jan 2025 21 -0.3 -0.3
Feb 2025 26 0.2381 -0.0189
Mar 2025 26 -0.0192 0.1087
Apr 2025 34 0.3333 0.4783
May 2025 49 0.4412 0.8846
Jun 2025 61 0.2449 1.1034
Jul 2025 62 0.0164 0.9375
Aug 2025 72 0.1532 0.6628
Sep 2025 61 -0.1469 0.8485
Oct 2025 58 -0.0492 0.9333
Nov 2025 51 -0.1293 0.6833
Dec 2025 50 -0.0099 0.6667
Jan 2026 33 -0.34 0.5714
Feb 2026 34 0.0303 0.3077
Mar 2026 30 -0.1324 0.1569