Zip Code: 21207 (Gwynn Oak, 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 21207 Zip Code in February 2026 was 62. The month over month percentage change (MoM) was 0.069%, and the year over year percentage change (YoY) was -0.0159%.

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

The chart below shows the trend of active listing count in the 21207 zip code. The table below shows the trend, and the MoM and YoY percentage changes.

Data Source: Realtor.
Zip Code: 21207 - Trend of Active Listing Count of Houses
Zip Code: 21207 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 164
Sep 2016 161
Oct 2016 142
Nov 2016 147
Dec 2016 146
Jan 2017 139
Feb 2017 142
Mar 2017 117
Apr 2017 110
May 2017 112
Jun 2017 106
Jul 2017 107
Aug 2017 109 0.0235 -0.3354
Sep 2017 128 0.1743 -0.2025
Oct 2017 122 -0.0469 -0.1408
Nov 2017 128 0.0451 -0.1327
Dec 2017 125 -0.0196 -0.1438
Jan 2018 125 0.0 -0.1007
Feb 2018 126 0.004 -0.1131
Mar 2018 111 -0.1155 -0.0472
Apr 2018 103 -0.0721 -0.0594
May 2018 103 -0.0049 -0.0848
Jun 2018 125 0.2195 0.1848
Jul 2018 121 -0.032 0.1362
Aug 2018 124 0.0207 0.133
Sep 2018 122 -0.0121 -0.0469
Oct 2018 123 0.0082 0.0082
Nov 2018 124 0.0081 -0.0275
Dec 2018 116 -0.0685 -0.076
Jan 2019 117 0.013 -0.064
Feb 2019 115 -0.0171 -0.0837
Mar 2019 110 -0.0478 -0.0135
Apr 2019 108 -0.0137 0.0485
May 2019 106 -0.0185 0.0341
Jun 2019 116 0.0896 -0.076
Jul 2019 100 -0.1342 -0.1736
Aug 2019 107 0.07 -0.1336
Sep 2019 110 0.028 -0.0984
Oct 2019 109 -0.0091 -0.1138
Nov 2019 109 0.0 -0.121
Dec 2019 106 -0.0275 -0.0823
Jan 2020 111 0.0425 -0.0556
Feb 2020 101 -0.0905 -0.1261
Mar 2020 87 -0.1343 -0.2055
Apr 2020 79 -0.0977 -0.2731
May 2020 95 0.2102 -0.1038
Jun 2020 89 -0.0632 -0.2294
Jul 2020 66 -0.264 -0.345
Aug 2020 50 -0.2366 -0.5327
Sep 2020 43 -0.14 -0.6091
Oct 2020 47 0.0814 -0.5734
Nov 2020 39 -0.1613 -0.6422
Dec 2020 36 -0.0897 -0.6651
Jan 2021 31 -0.1268 -0.7195
Feb 2021 27 -0.129 -0.7313
Mar 2021 23 -0.1481 -0.7356
Apr 2021 26 0.1087 -0.6752
May 2021 24 -0.0784 -0.7526
Jun 2021 23 -0.0213 -0.7416
Jul 2021 33 0.4348 -0.4962
Aug 2021 35 0.0606 -0.3
Sep 2021 38 0.0714 -0.1279
Oct 2021 46 0.2267 -0.0108
Nov 2021 49 0.0652 0.2564
Dec 2021 49 0.0 0.3803
Jan 2022 36 -0.2653 0.1613
Feb 2022 35 -0.0278 0.2963
Mar 2022 35 0.0 0.5217
Apr 2022 34 -0.0429 0.3137
May 2022 33 -0.0149 0.4043
Jun 2022 31 -0.0606 0.3478
Jul 2022 41 0.3065 0.2273
Aug 2022 43 0.0617 0.2286
Sep 2022 52 0.1977 0.3733
Oct 2022 55 0.068 0.1957
Nov 2022 58 0.0545 0.1837
Dec 2022 52 -0.1121 0.051
Jan 2023 50 -0.0291 0.3889
Feb 2023 50 -0.01 0.4143
Mar 2023 36 -0.2828 0.0143
Apr 2023 35 -0.0141 0.0448
May 2023 34 -0.0286 0.0303
Jun 2023 34 -0.0147 0.0806
Jul 2023 39 0.1493 -0.0494
Aug 2023 41 0.0649 -0.0465
Sep 2023 39 -0.061 -0.2524
Oct 2023 39 0.013 -0.2909
Nov 2023 47 0.1923 -0.1983
Dec 2023 52 0.1183 0.0097
Jan 2024 45 -0.1346 -0.1
Feb 2024 47 0.0333 -0.0606
Mar 2024 45 -0.0323 0.2676
Apr 2024 41 -0.0889 0.1714
May 2024 39 -0.0488 0.1471
Jun 2024 45 0.141 0.3284
Jul 2024 43 -0.0337 0.1169
Aug 2024 43 0.0 0.0488
Sep 2024 49 0.1395 0.2727
Oct 2024 59 0.1939 0.5
Nov 2024 72 0.2222 0.5376
Dec 2024 79 0.1049 0.5192
Jan 2025 69 -0.1329 0.5222
Feb 2025 65 -0.0511 0.3978
Mar 2025 63 -0.0308 0.4
Apr 2025 66 0.0476 0.6098
May 2025 52 -0.2197 0.3205
Jun 2025 50 -0.0291 0.1236
Jul 2025 65 0.29 0.5
Aug 2025 65 0.0 0.5
Sep 2025 65 0.0078 0.3265
Oct 2025 77 0.1846 0.3162
Nov 2025 82 0.0649 0.1469
Dec 2025 81 -0.0122 0.0253
Jan 2026 68 -0.1605 -0.0073
Feb 2026 58 -0.1471 -0.1077
Mar 2026 62 0.069 -0.0159