Zip Code: 21757 (Keymar, MD) - Trend of Median House Listing Price Per Square Feet (Realtor)

Updated on March 13, 2026.

According to data from Realtor.com, the median house listing price per square feet for the 21757 Zip Code in February 2026 was $267. The month over month percentage change (MoM) was 0.0212%, and the year over year percentage change (YoY) was -0.2149%.

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

The chart below shows the trend of the median house listing price per square feet in the 21757 zip code. The table below shows the trend of the median house listing price per square feet, and the MoM and YoY percentage changes.

Data Source: Realtor.
Zip Code: 21757 - Trend of Median House Listing Price Per Square Feet ($)
Zip Code: 21757 Trend of Median House Listing Price Per Square Feet
Items per page:
1 – 10 of 116
Month Price ($) MoM Perc. Change (%) YoY Perc. Change (%)
Aug 2016 90
Sep 2016 94
Oct 2016 132
Nov 2016 130
Dec 2016 130
Jan 2017 130
Feb 2017 130
Mar 2017 136
Apr 2017 140
May 2017 130
Jun 2017 127
Jul 2017 131
Aug 2017 133 0.017 0.4803
Sep 2017 122 -0.0851 0.2993
Oct 2017 122 0.0 -0.0754
Nov 2017 138 0.1359 0.0673
Dec 2017 141 0.018 0.0865
Jan 2018 142 0.0112 0.0986
Feb 2018 140 -0.014 0.0832
Mar 2018 130 -0.0738 -0.0456
Apr 2018 148 0.1355 0.0514
May 2018 215 0.4581 0.6611
Jun 2018 197 -0.0845 0.546
Jul 2018 147 -0.254 0.1235
Aug 2018 140 -0.0476 0.0521
Sep 2018 128 -0.0841 0.0533
Oct 2018 126 -0.0182 0.0341
Nov 2018 124 -0.012 -0.1005
Dec 2018 125 0.0066 -0.1106
Jan 2019 124 -0.013 -0.1318
Feb 2019 121 -0.0237 -0.1404
Mar 2019 117 -0.0332 -0.1027
Apr 2019 154 0.3169 0.0407
May 2019 162 0.0582 -0.2447
Jun 2019 157 -0.0357 -0.2045
Jul 2019 160 0.0228 0.0906
Aug 2019 153 -0.0424 0.0966
Sep 2019 145 -0.0531 0.1337
Oct 2019 139 -0.0418 0.1065
Nov 2019 135 -0.0339 0.0819
Dec 2019 122 -0.0967 -0.0291
Jan 2020 118 -0.0255 -0.0415
Feb 2020 126 0.066 0.0466
Mar 2020 160 0.2697 0.3744
Apr 2020 154 -0.0421 -0.0002
May 2020 147 -0.0393 -0.0924
Jun 2020 147 0.0 -0.0588
Jul 2020 149 0.0091 -0.0713
Aug 2020 133 -0.107 -0.134
Sep 2020 164 0.2335 0.1281
Oct 2020 168 0.025 0.2067
Nov 2020 186 0.1041 0.379
Dec 2020 187 0.0078 0.5384
Jan 2021 226 0.21 0.9103
Feb 2021 191 -0.1549 0.5143
Mar 2021 219 0.1448 0.3653
Apr 2021 251 0.1468 0.6346
May 2021 215 -0.1415 0.4606
Jun 2021 261 0.2124 0.7709
Jul 2021 246 -0.0588 0.6517
Aug 2021 243 -0.0131 0.8253
Sep 2021 229 -0.054 0.3999
Oct 2021 195 -0.1497 0.1614
Nov 2021 157 -0.1958 -0.154
Dec 2021 153 -0.0265 -0.1828
Jan 2022 149 -0.0275 -0.3432
Feb 2022 148 -0.0051 -0.2267
Mar 2022 190 0.2835 -0.133
Apr 2022 224 0.1794 -0.1083
May 2022 448 1.0017 1.0791
Jun 2022 197 -0.5612 -0.2475
Jul 2022 193 -0.018 -0.2149
Aug 2022 211 0.0919 -0.1313
Sep 2022 184 -0.1256 -0.1971
Oct 2022 158 -0.1421 -0.1899
Nov 2022 167 0.058 0.0657
Dec 2022 154 -0.0774 0.01
Jan 2023 154 0.0 0.0386
Feb 2023 153 -0.009 0.0344
Mar 2023 206 0.3492 0.0873
Apr 2023 204 -0.0116 -0.0888
May 2023 260 0.2772 -0.4186
Jun 2023 257 -0.0129 0.3079
Jul 2023 316 0.2277 0.6351
Aug 2023 452 0.431 1.143
Sep 2023 758 0.6775 3.1115
Oct 2023 215 -0.7163 0.3597
Nov 2023 228 0.0613 0.3639
Dec 2023 250 0.0966 0.6211
Jan 2024 250 0.0 0.6211
Feb 2024 282 0.1289 0.8468
Mar 2024 294 0.0404 0.4242
Apr 2024 277 -0.0565 0.3595
May 2024 240 -0.135 -0.0793
Jun 2024 147 -0.3887 -0.4299
Jul 2024 173 0.1822 -0.451
Aug 2024 175 0.011 -0.6121
Sep 2024 179 0.0234 -0.7634
Oct 2024 194 0.0815 -0.098
Nov 2024 256 0.3222 0.1238
Dec 2024 221 -0.1364 -0.115
Jan 2025 281 0.2679 0.1221
Feb 2025 254 -0.0943 -0.0997
Mar 2025 340 0.3374 0.1572
Apr 2025 223 -0.3434 -0.1946
May 2025 244 0.0929 0.0176
Jun 2025 306 0.2557 1.0904
Jul 2025 464 0.5147 1.6782
Aug 2025 431 -0.0714 1.4599
Sep 2025 261 -0.3934 0.458
Oct 2025 287 0.0982 0.4804
Nov 2025 261 -0.0894 0.0195
Dec 2025 257 -0.0149 0.1631
Jan 2026 261 0.0151 -0.0688
Feb 2026 261 0.0 0.0281
Mar 2026 267 0.0212 -0.2149