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

According to data from Realtor.com, the average house listing price for the 21757 Zip Code in February 2026 was $585,963. The month over month percentage change (MoM) was 0.226%, and the year over year percentage change (YoY) was -0.1152%.

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

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

Data Source: Realtor.
Zip Code: 21757 - Trend of Average House Listing Price ($)
Zip Code: 21757 Trend of Average House Listing Price
Items per page:
1 – 10 of 116
Month Price ($) MoM Perc. Change (%) YoY Perc. Change (%)
Aug 2016 354840
Sep 2016 304561
Oct 2016 314413
Nov 2016 417889
Dec 2016 438137
Jan 2017 429820
Feb 2017 437770
Mar 2017 443525
Apr 2017 395637
May 2017 343717
Jun 2017 286369
Jul 2017 319650
Aug 2017 222643 -0.3035 -0.3726
Sep 2017 182250 -0.1814 -0.4016
Oct 2017 283849 0.5575 -0.0972
Nov 2017 317262 0.1177 -0.2408
Dec 2017 315778 -0.0047 -0.2793
Jan 2018 310845 -0.0156 -0.2768
Feb 2018 309335 -0.0049 -0.2934
Mar 2018 333936 0.0795 -0.2471
Apr 2018 389425 0.1662 -0.0157
May 2018 424617 0.0904 0.2354
Jun 2018 393152 -0.0741 0.3729
Jul 2018 382700 -0.0266 0.1972
Aug 2018 360965 -0.0568 0.6213
Sep 2018 406165 0.1252 1.2286
Oct 2018 385487 -0.0509 0.3581
Nov 2018 328779 -0.1471 0.0363
Dec 2018 369383 0.1235 0.1698
Jan 2019 503432 0.3629 0.6196
Feb 2019 470406 -0.0656 0.5207
Mar 2019 328902 -0.3008 -0.0151
Apr 2019 426296 0.2961 0.0947
May 2019 465445 0.0918 0.0962
Jun 2019 628890 0.3512 0.5996
Jul 2019 498713 -0.207 0.3031
Aug 2019 480557 -0.0364 0.3313
Sep 2019 488815 0.0172 0.2035
Oct 2019 398338 -0.1851 0.0333
Nov 2019 338020 -0.1514 0.0281
Dec 2019 340338 0.0069 -0.0786
Jan 2020 355271 0.0439 -0.2943
Feb 2020 362444 0.0202 -0.2295
Mar 2020 367798 0.0148 0.1183
Apr 2020 357450 -0.0281 -0.1615
May 2020 344147 -0.0372 -0.2606
Jun 2020 368090 0.0696 -0.4147
Jul 2020 433538 0.1778 -0.1307
Aug 2020 419493 -0.0324 -0.1271
Sep 2020 391525 -0.0667 -0.199
Oct 2020 499694 0.2763 0.2544
Nov 2020 549467 0.0996 0.6255
Dec 2020 593050 0.0793 0.7425
Jan 2021 592455 -0.001 0.6676
Feb 2021 508950 -0.1409 0.4042
Mar 2021 667343 0.3112 0.8144
Apr 2021 720660 0.0799 1.0161
May 2021 670558 -0.0695 0.9485
Jun 2021 820950 0.2243 1.2303
Jul 2021 832100 0.0136 0.9193
Aug 2021 794700 -0.0449 0.8944
Sep 2021 652475 -0.179 0.6665
Oct 2021 537307 -0.1765 0.0753
Nov 2021 366975 -0.317 -0.3321
Dec 2021 394875 0.076 -0.3342
Jan 2022 372892 -0.0557 -0.3706
Feb 2022 365633 -0.0195 -0.2816
Mar 2022 282450 -0.2275 -0.5768
Apr 2022 374900 0.3273 -0.4798
May 2022 1024950 1.7339 0.5285
Jun 2022 510429 -0.502 -0.3782
Jul 2022 314500 -0.3839 -0.622
Aug 2022 562250 0.7878 -0.2925
Sep 2022 374133 -0.3346 -0.4266
Oct 2022 423225 0.1312 -0.2123
Nov 2022 426300 0.0073 0.1617
Dec 2022 456208 0.0702 0.1553
Jan 2023 428692 -0.0603 0.1496
Feb 2023 462450 0.0787 0.2648
Mar 2023 305850 -0.3386 0.0828
Apr 2023 339000 0.1084 -0.0958
May 2023 475000 0.4012 -0.5366
Jun 2023 459963 -0.0317 -0.0989
Jul 2023 1292917 1.8109 3.111
Aug 2023 1419500 0.0979 1.5247
Sep 2023 2500000 0.7612 5.6821
Oct 2023 696250 -0.7215 0.6451
Nov 2023 993163 0.4264 1.3297
Dec 2023 1039067 0.0462 1.2776
Jan 2024 1037400 -0.0016 1.4199
Feb 2024 1099300 0.0597 1.3771
Mar 2024 1206353 0.0974 2.9443
Apr 2024 1078300 -0.1061 2.1808
May 2024 1004400 -0.0685 1.1145
Jun 2024 202375 -0.7985 -0.56
Jul 2024 246550 0.2183 -0.8093
Aug 2024 284083 0.1522 -0.7999
Sep 2024 392600 0.382 -0.843
Oct 2024 729963 0.8593 0.0484
Nov 2024 645447 -0.1158 -0.3501
Dec 2024 769500 0.1922 -0.2594
Jan 2025 570500 -0.2586 -0.4501
Feb 2025 603832 0.0584 -0.4507
Mar 2025 662250 0.0967 -0.451
Apr 2025 624900 -0.0564 -0.4205
May 2025 484950 -0.224 -0.5172
Jun 2025 561300 0.1574 1.7736
Jul 2025 895190 0.5949 2.6309
Aug 2025 930167 0.0391 2.2743
Sep 2025 976600 0.0499 1.4875
Oct 2025 934167 -0.0435 0.2797
Nov 2025 382708 -0.5903 -0.4071
Dec 2025 367967 -0.0385 -0.5218
Jan 2026 444013 0.2067 -0.2217
Feb 2026 477960 0.0765 -0.2085
Mar 2026 585963 0.226 -0.1152