Zip Code: 21771 (Mount Airy, 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 21771 Zip Code in February 2026 was $740,546. The month over month percentage change (MoM) was 0.1633%, and the year over year percentage change (YoY) was 0.0318%.

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 21771 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: 21771 - Trend of Average House Listing Price ($)
Zip Code: 21771 Trend of Average House Listing Price
Items per page:
1 – 10 of 116
Month Price ($) MoM Perc. Change (%) YoY Perc. Change (%)
Aug 2016 458988
Sep 2016 462930
Oct 2016 470769
Nov 2016 465964
Dec 2016 459578
Jan 2017 474365
Feb 2017 482417
Mar 2017 476251
Apr 2017 528674
May 2017 524533
Jun 2017 505311
Jul 2017 509538
Aug 2017 538195 0.0562 0.1726
Sep 2017 526037 -0.0226 0.1363
Oct 2017 512286 -0.0261 0.0882
Nov 2017 510314 -0.0038 0.0952
Dec 2017 519316 0.0176 0.13
Jan 2018 533215 0.0268 0.1241
Feb 2018 540113 0.0129 0.1196
Mar 2018 540207 0.0002 0.1343
Apr 2018 524299 -0.0294 -0.0083
May 2018 554837 0.0582 0.0578
Jun 2018 563945 0.0164 0.116
Jul 2018 568762 0.0085 0.1162
Aug 2018 550645 -0.0319 0.0231
Sep 2018 545815 -0.0088 0.0376
Oct 2018 530755 -0.0276 0.0361
Nov 2018 521933 -0.0166 0.0228
Dec 2018 533749 0.0226 0.0278
Jan 2019 525808 -0.0149 -0.0139
Feb 2019 552718 0.0512 0.0233
Mar 2019 543973 -0.0158 0.007
Apr 2019 561034 0.0314 0.0701
May 2019 577426 0.0292 0.0407
Jun 2019 561699 -0.0272 -0.004
Jul 2019 559024 -0.0048 -0.0171
Aug 2019 562479 0.0062 0.0215
Sep 2019 569196 0.0119 0.0428
Oct 2019 566979 -0.0039 0.0683
Nov 2019 558458 -0.015 0.07
Dec 2019 521106 -0.0669 -0.0237
Jan 2020 534580 0.0259 0.0167
Feb 2020 546753 0.0228 -0.0108
Mar 2020 558477 0.0214 0.0267
Apr 2020 566844 0.015 0.0104
May 2020 585643 0.0332 0.0142
Jun 2020 592014 0.0109 0.054
Jul 2020 587642 -0.0074 0.0512
Aug 2020 586016 -0.0028 0.0418
Sep 2020 681273 0.1626 0.1969
Oct 2020 696465 0.0223 0.2284
Nov 2020 729697 0.0477 0.3066
Dec 2020 768617 0.0533 0.475
Jan 2021 732896 -0.0465 0.371
Feb 2021 775560 0.0582 0.4185
Mar 2021 765151 -0.0134 0.3701
Apr 2021 750117 -0.0196 0.3233
May 2021 743724 -0.0085 0.2699
Jun 2021 716439 -0.0367 0.2102
Jul 2021 741139 0.0345 0.2612
Aug 2021 729466 -0.0158 0.2448
Sep 2021 709980 -0.0267 0.0421
Oct 2021 698442 -0.0163 0.0028
Nov 2021 703071 0.0066 -0.0365
Dec 2021 756516 0.076 -0.0157
Jan 2022 757592 0.0014 0.0337
Feb 2022 766107 0.0112 -0.0122
Mar 2022 773187 0.0092 0.0105
Apr 2022 805010 0.0412 0.0732
May 2022 738908 -0.0821 -0.0065
Jun 2022 702696 -0.049 -0.0192
Jul 2022 698854 -0.0055 -0.0571
Aug 2022 657940 -0.0585 -0.0981
Sep 2022 710928 0.0805 0.0013
Oct 2022 682099 -0.0406 -0.0234
Nov 2022 728128 0.0675 0.0356
Dec 2022 763863 0.0491 0.0097
Jan 2023 727345 -0.0478 -0.0399
Feb 2023 737578 0.0141 -0.0372
Mar 2023 711117 -0.0359 -0.0803
Apr 2023 648707 -0.0878 -0.1942
May 2023 690910 0.0651 -0.065
Jun 2023 699417 0.0123 -0.0047
Jul 2023 706954 0.0108 0.0116
Aug 2023 748796 0.0592 0.1381
Sep 2023 747729 -0.0014 0.0518
Oct 2023 723653 -0.0322 0.0609
Nov 2023 671803 -0.0717 -0.0774
Dec 2023 731245 0.0885 -0.0427
Jan 2024 740781 0.013 0.0185
Feb 2024 736782 -0.0054 -0.0011
Mar 2024 744359 0.0103 0.0467
Apr 2024 816787 0.0973 0.2591
May 2024 915992 0.1215 0.3258
Jun 2024 783709 -0.1444 0.1205
Jul 2024 850517 0.0852 0.2031
Aug 2024 810421 -0.0471 0.0823
Sep 2024 770798 -0.0489 0.0309
Oct 2024 787239 0.0213 0.0879
Nov 2024 754607 -0.0415 0.1233
Dec 2024 769101 0.0192 0.0518
Jan 2025 756185 -0.0168 0.0208
Feb 2025 743876 -0.0163 0.0096
Mar 2025 717705 -0.0352 -0.0358
Apr 2025 715431 -0.0032 -0.1241
May 2025 741338 0.0362 -0.1907
Jun 2025 764238 0.0309 -0.0248
Jul 2025 770864 0.0087 -0.0937
Aug 2025 785587 0.0191 -0.0306
Sep 2025 737789 -0.0608 -0.0428
Oct 2025 694474 -0.0587 -0.1178
Nov 2025 692205 -0.0033 -0.0827
Dec 2025 656687 -0.0513 -0.1462
Jan 2026 660289 0.0055 -0.1268
Feb 2026 636568 -0.0359 -0.1443
Mar 2026 740546 0.1633 0.0318