Zip Code: 21771 (Mount Airy, Maryland) - Trend of Zillow Home Value Index (ZHVI) for All Homes (SFR, Condo/Co-op), Smooth and Seasonally Adjusted (Zillow)

Updated on March 22, 2026.

According to data from Zillow.com, the smoothed and seasonally adjusted Zillow home value index (ZHVI) for All Homes (SFR, Condo/Co-op) in the 21771 Zip Code (Mount Airy, Maryland) in February 2026 was $625,690.496. The month over month percentage change (MoM) was 0.04%, and the year over year percentage change (YoY) was 0.95%.

The chart below shows the trend of the smoothed and seasonally adjusted ZHVI for the 21771 zip code (Mount Airy, Maryland). The table below shows the trend of the smoothed and seasonally adjusted ZHVI, and the MoM and YoY percentage changes for the 21771 zip code (Mount Airy, Maryland).

You can see similar information for other Maryland zip codes, and for Maryland.

Note: Zillow Home Value Index (ZHVI) is a measure of the typical home value and market changes across a given region and housing type. It reflects the typical value for homes in the 35th to 65th percentile range.

Data Source: Zillow.
Zip Code: 21771 (Mount Airy, Maryland) - Trend of Zillow Home Value Index (ZHVI), Smooth and Seasonally Adjusted ($)
Zip Code: 21771 (Mount Airy, Maryland) - Trend of Zillow Home Value Index (ZHVI), Smooth and Seasonally Adjusted
Items per page:
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Month ZHVI ($) MoM Perc. Change (%) YoY Perc. Change (%)
Jan 2015 394974.06399559096 0.06 3.07
Feb 2015 395660.82218825334 0.17 2.81
Mar 2015 396774.09621424275 0.28 2.51
Apr 2015 397396.23458898364 0.16 1.92
May 2015 397707.99694260483 0.08 1.29
Jun 2015 397217.9553719529 -0.12 0.86
Jul 2015 396507.0188374732 -0.18 0.67
Aug 2015 395506.2002608956 -0.25 0.55
Sep 2015 396112.51581221423 0.15 0.56
Oct 2015 397531.8536102102 0.36 0.79
Nov 2015 399325.71553122933 0.45 1.10
Dec 2015 400395.89634501096 0.27 1.43
Jan 2016 402002.3273114357 0.40 1.78
Feb 2016 403207.19578696537 0.30 1.91
Mar 2016 403943.61232699716 0.18 1.81
Apr 2016 403867.79435740924 -0.02 1.63
May 2016 403768.77481107647 -0.02 1.52
Jun 2016 403749.8734508883 0.00 1.64
Jul 2016 403731.97885179817 0.00 1.82
Aug 2016 403565.89827820443 -0.04 2.04
Sep 2016 403598.26920174 0.01 1.89
Oct 2016 404075.21702589985 0.12 1.65
Nov 2016 405224.4867658795 0.28 1.48
Dec 2016 406883.91095519596 0.41 1.62
Jan 2017 408945.9990602034 0.51 1.73
Feb 2017 411029.0843128891 0.51 1.94
Mar 2017 413121.61499646516 0.51 2.27
Apr 2017 414757.7551675011 0.40 2.70
May 2017 415519.997646326 0.18 2.91
Jun 2017 415063.4197092212 -0.11 2.80
Jul 2017 413955.9787778028 -0.27 2.53
Aug 2017 413139.01470411103 -0.20 2.37
Sep 2017 413496.1137267558 0.09 2.45
Oct 2017 414436.236798488 0.23 2.56
Nov 2017 415770.75039500947 0.32 2.60
Dec 2017 416796.71169533295 0.25 2.44
Jan 2018 417963.26811459434 0.28 2.21
Feb 2018 418914.8467120775 0.23 1.92
Mar 2018 420508.5612369158 0.38 1.79
Apr 2018 421906.4724186358 0.33 1.72
May 2018 423559.4207043744 0.39 1.94
Jun 2018 424411.21134375245 0.20 2.25
Jul 2018 425415.5369402489 0.24 2.77
Aug 2018 426009.9066266161 0.14 3.12
Sep 2018 426759.1182849629 0.18 3.21
Oct 2018 427134.77945412835 0.09 3.06
Nov 2018 427663.92009158473 0.12 2.86
Dec 2018 428224.6069712268 0.13 2.74
Jan 2019 429337.18731689034 0.26 2.72
Feb 2019 431365.4233983736 0.47 2.97
Mar 2019 434240.5140102755 0.67 3.27
Apr 2019 437201.70940180443 0.68 3.63
May 2019 439339.94830064854 0.49 3.73
Jun 2019 440630.3113733329 0.29 3.82
Jul 2019 441217.6312242523 0.13 3.72
Aug 2019 441873.0925953084 0.15 3.72
Sep 2019 442384.2872922756 0.12 3.66
Oct 2019 443005.8627009536 0.14 3.72
Nov 2019 443555.723027724 0.12 3.72
Dec 2019 444340.26324060134 0.18 3.76
Jan 2020 445610.01348903775 0.29 3.79
Feb 2020 447420.9538148262 0.41 3.72
Mar 2020 449515.8550127043 0.47 3.52
Apr 2020 451329.5988603334 0.40 3.23
May 2020 451896.93934231345 0.13 2.86
Jun 2020 451899.23254503525 0.00 2.56
Jul 2020 452732.93652450695 0.18 2.61
Aug 2020 455708.7281560802 0.66 3.13
Sep 2020 460824.80862881785 1.12 4.17
Oct 2020 466813.34566566016 1.30 5.37
Nov 2020 472985.937890145 1.32 6.64
Dec 2020 478838.47877314984 1.24 7.76
Jan 2021 484436.99501153344 1.17 8.71
Feb 2021 491453.93008892174 1.45 9.84
Mar 2021 498969.8409553068 1.53 11.00
Apr 2021 507385.3953781301 1.69 12.42
May 2021 514878.78913612827 1.48 13.94
Jun 2021 522066.1783614157 1.40 15.53
Jul 2021 526975.183479959 0.94 16.40
Aug 2021 529644.1628456156 0.51 16.22
Sep 2021 529625.3748999807 0.00 14.93
Oct 2021 529808.5280220296 0.04 13.50
Nov 2021 530844.4479686061 0.20 12.23
Dec 2021 533824.9589217155 0.56 11.48
Jan 2022 538644.3324172631 0.90 11.19
Feb 2022 545464.1515600919 1.27 10.99
Mar 2022 553650.2975333689 1.50 10.96
Apr 2022 561264.7098973858 1.38 10.62
May 2022 567458.6788879804 1.10 10.21
Jun 2022 571029.0447382051 0.63 9.38
Jul 2022 571291.6194489481 0.05 8.41
Aug 2022 568466.3805576898 -0.49 7.33
Sep 2022 564018.5296271456 -0.78 6.49
Oct 2022 561100.9352643561 -0.52 5.91
Nov 2022 559574.2773256252 -0.27 5.41
Dec 2022 560485.395582014 0.16 4.99
Jan 2023 562677.588329345 0.39 4.46
Feb 2023 565234.5455191012 0.45 3.63
Mar 2023 567394.3577497365 0.38 2.48
Apr 2023 569707.840949146 0.41 1.50
May 2023 572982.6033863368 0.57 0.97
Jun 2023 576631.7549637378 0.64 0.98
Jul 2023 579432.450561954 0.49 1.43
Aug 2023 581569.935989759 0.37 2.31
Sep 2023 582554.7539115013 0.17 3.29
Oct 2023 582812.3101116713 0.04 3.87
Nov 2023 582236.6157842753 -0.10 4.05
Dec 2023 581772.3860006022 -0.08 3.80
Jan 2024 581314.8812453129 -0.08 3.31
Feb 2024 583206.5461043381 0.33 3.18
Mar 2024 587360.391384011 0.71 3.52
Apr 2024 593161.9839016842 0.99 4.12
May 2024 598058.0259279066 0.83 4.38
Jun 2024 600846.5324354173 0.47 4.20
Jul 2024 601430.8097323583 0.10 3.80
Aug 2024 601357.7066072681 -0.01 3.40
Sep 2024 603075.2446244634 0.29 3.52
Oct 2024 606920.3505117513 0.64 4.14
Nov 2024 611633.6624107641 0.78 5.05
Dec 2024 615460.9916552216 0.63 5.79
Jan 2025 617964.1931963773 0.41 6.31
Feb 2025 619797.3592238391 0.30 6.27
Mar 2025 620660.8965469325 0.14 5.67
Apr 2025 621862.7973386346 0.19 4.84
May 2025 622251.4088536883 0.06 4.05
Jun 2025 622367.8745055236 0.02 3.58
Jul 2025 622074.3228073175 -0.05 3.43
Aug 2025 621549.1042756393 -0.08 3.36
Sep 2025 621485.6834411479 -0.01 3.05
Oct 2025 622052.5644673322 0.09 2.49
Nov 2025 623356.7359657893 0.21 1.92
Dec 2025 624861.0161947091 0.24 1.53
Jan 2026 625435.4621339728 0.09 1.21
Feb 2026 625690.4958446181 0.04 0.95