Zip Code: 21757 (Keymar, MD) - Trend of Median House Listing Price (Realtor)
Updated on March 13, 2026.

According to data from Realtor.com, the median house listing price for the 21757 Zip Code in February 2026 was $650,000. The month over month percentage change (MoM) was 0.8056%, and the year over year percentage change (YoY) was -0.0185%.

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

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

Data Source: Realtor.
Zip Code: 21757 - Trend of Median House Listing Price ($)
Zip Code: 21757 Trend of Median House Listing Price
Items per page:
1 – 10 of 116
Month Price ($) MoM Perc. Change (%) YoY Perc. Change (%)
Aug 2016 274900
Sep 2016 233650
Oct 2016 242425
Nov 2016 362400
Dec 2016 299950
Jan 2017 329900
Feb 2017 341150
Mar 2017 247350
Apr 2017 246200
May 2017 225000
Jun 2017 158650
Jul 2017 197450
Aug 2017 225000 0.1395 -0.1815
Sep 2017 197800 -0.1209 -0.1534
Oct 2017 237500 0.2007 -0.0203
Nov 2017 334475 0.4083 -0.0771
Dec 2017 288675 -0.1369 -0.0376
Jan 2018 299950 0.0391 -0.0908
Feb 2018 292400 -0.0252 -0.1429
Mar 2018 323675 0.107 0.3086
Apr 2018 405950 0.2542 0.6489
May 2018 439450 0.0825 0.9531
Jun 2018 329900 -0.2493 1.0794
Jul 2018 449900 0.3637 1.2786
Aug 2018 314900 -0.3001 0.3996
Sep 2018 503200 0.598 1.544
Oct 2018 425000 -0.1554 0.7895
Nov 2018 339950 -0.2001 0.0164
Dec 2018 375975 0.106 0.3024
Jan 2019 484845 0.2896 0.6164
Feb 2019 446620 -0.0788 0.5274
Mar 2019 255475 -0.428 -0.2107
Apr 2019 357879 0.4008 -0.1184
May 2019 427904 0.1957 -0.0263
Jun 2019 450000 0.0516 0.364
Jul 2019 380000 -0.1556 -0.1554
Aug 2019 363725 -0.0428 0.155
Sep 2019 371123 0.0203 -0.2625
Oct 2019 301557 -0.1874 -0.2905
Nov 2019 275180 -0.0875 -0.1905
Dec 2019 402450 0.4625 0.0704
Jan 2020 388725 -0.0341 -0.1982
Feb 2020 428675 0.1028 -0.0402
Mar 2020 434950 0.0146 0.7025
Apr 2020 460250 0.0582 0.2861
May 2020 448450 -0.0256 0.048
Jun 2020 439950 -0.019 -0.0223
Jul 2020 479250 0.0893 0.2612
Aug 2020 479250 0.0 0.3176
Sep 2020 424900 -0.1134 0.1449
Oct 2020 425000 0.0002 0.4094
Nov 2020 419900 -0.012 0.5259
Dec 2020 416999 -0.0069 0.0362
Jan 2021 368975 -0.1152 -0.0508
Feb 2021 318400 -0.1371 -0.2572
Mar 2021 517950 0.6267 0.1908
Apr 2021 524725 0.0131 0.1401
May 2021 649225 0.2373 0.4477
Jun 2021 719450 0.1082 0.6353
Jul 2021 719250 -0.0003 0.5008
Aug 2021 644450 -0.104 0.3447
Sep 2021 380000 -0.4103 -0.1057
Oct 2021 375000 -0.0132 -0.1176
Nov 2021 362450 -0.0335 -0.1368
Dec 2021 366225 0.0104 -0.1218
Jan 2022 371225 0.0137 0.0061
Feb 2022 349450 -0.0587 0.0975
Mar 2022 282450 -0.1917 -0.4547
Apr 2022 372450 0.3186 -0.2902
May 2022 1024950 1.7519 0.5787
Jun 2022 350725 -0.6578 -0.5125
Jul 2022 314500 -0.1033 -0.5627
Aug 2022 512000 0.628 -0.2055
Sep 2022 372500 -0.2725 -0.0197
Oct 2022 427475 0.1476 0.1399
Nov 2022 399500 -0.0654 0.1022
Dec 2022 443725 0.1107 0.2116
Jan 2023 431175 -0.0283 0.1615
Feb 2023 462450 0.0725 0.3234
Mar 2023 305850 -0.3386 0.0828
Apr 2023 325000 0.0626 -0.1274
May 2023 475000 0.4615 -0.5366
Jun 2023 459975 -0.0316 0.3115
Jul 2023 953750 1.0735 2.0326
Aug 2023 1419500 0.4883 1.7725
Sep 2023 2500000 0.7612 5.7114
Oct 2023 696250 -0.7215 0.6288
Nov 2023 654725 -0.0596 0.6389
Dec 2023 464000 -0.2913 0.0457
Jan 2024 459000 -0.0108 0.0645
Feb 2024 879500 0.9161 0.9018
Mar 2024 1300000 0.4781 3.2505
Apr 2024 925000 -0.2885 1.8462
May 2024 550000 -0.4054 0.1579
Jun 2024 202375 -0.632 -0.56
Jul 2024 246550 0.2183 -0.7415
Aug 2024 299900 0.2164 -0.7887
Sep 2024 349900 0.1667 -0.86
Oct 2024 331163 -0.0536 -0.5244
Nov 2024 462425 0.3964 -0.2937
Dec 2024 342450 -0.2594 -0.262
Jan 2025 520725 0.5206 0.1345
Feb 2025 650000 0.2483 -0.2609
Mar 2025 662250 0.0188 -0.4906
Apr 2025 624900 -0.0564 -0.3244
May 2025 484950 -0.224 -0.1183
Jun 2025 624900 0.2886 2.0878
Jul 2025 829450 0.3273 2.3642
Aug 2025 742000 -0.1054 1.4742
Sep 2025 440000 -0.407 0.2575
Oct 2025 758500 0.7239 1.2904
Nov 2025 352500 -0.5353 -0.2377
Dec 2025 345000 -0.0213 0.0074
Jan 2026 371000 0.0754 -0.2875
Feb 2026 359999 -0.0297 -0.4462
Mar 2026 650000 0.8056 -0.0185