Zip Code: 21822 (Allen, 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 21822 Zip Code (Allen, Maryland) in February 2026 was $315,898.469. The month over month percentage change (MoM) was 0.30%, and the year over year percentage change (YoY) was 0.41%.

The chart below shows the trend of the smoothed and seasonally adjusted ZHVI for the 21822 zip code (Allen, Maryland). The table below shows the trend of the smoothed and seasonally adjusted ZHVI, and the MoM and YoY percentage changes for the 21822 zip code (Allen, 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: 21822 (Allen, Maryland) - Trend of Zillow Home Value Index (ZHVI), Smooth and Seasonally Adjusted ($)
Zip Code: 21822 (Allen, Maryland) - Trend of Zillow Home Value Index (ZHVI), Smooth and Seasonally Adjusted
1 – 10 of 134
Month ZHVI ($) MoM Perc. Change (%) YoY Perc. Change (%)
Jan 2015 190727.86386511338 0.57 3.83
Feb 2015 192196.93272819673 0.77 3.90
Mar 2015 193710.33982848038 0.79 4.02
Apr 2015 195174.46930270523 0.76 4.16
May 2015 196051.0719913081 0.45 4.08
Jun 2015 196320.72366551068 0.14 3.75
Jul 2015 196169.1594046358 -0.08 3.48
Aug 2015 195866.36363171847 -0.15 3.21
Sep 2015 195473.3130095296 -0.20 2.98
Oct 2015 194793.11591644934 -0.35 2.78
Nov 2015 194233.0383430215 -0.29 2.56
Dec 2015 193819.4207779969 -0.21 2.20
Jan 2016 194113.54471037487 0.15 1.78
Feb 2016 194391.64118979068 0.14 1.14
Mar 2016 194676.32799929273 0.15 0.50
Apr 2016 194660.54520673942 -0.01 -0.26
May 2016 194584.82177319503 -0.04 -0.75
Jun 2016 194154.9725958157 -0.22 -1.10
Jul 2016 193643.125130811 -0.26 -1.29
Aug 2016 193134.65485447983 -0.26 -1.39
Sep 2016 193416.78916499097 0.15 -1.05
Oct 2016 193823.50969521902 0.21 -0.50
Nov 2016 194487.71877681813 0.34 0.13
Dec 2016 194902.35678705692 0.21 0.56
Jan 2017 195614.16579328422 0.37 0.77
Feb 2017 196154.7569694539 0.28 0.91
Mar 2017 196880.88273824632 0.37 1.13
Apr 2017 197928.85462757872 0.53 1.68
May 2017 199100.5203725237 0.59 2.32
Jun 2017 199931.50724244653 0.42 2.98
Jul 2017 200481.63953946353 0.28 3.53
Aug 2017 201239.58772549592 0.38 4.20
Sep 2017 202527.53428531403 0.64 4.71
Oct 2017 203559.26170358542 0.51 5.02
Nov 2017 204455.48968732028 0.44 5.13
Dec 2017 204969.81640289005 0.25 5.17
Jan 2018 205771.44190535843 0.39 5.19
Feb 2018 206383.57408769717 0.30 5.22
Mar 2018 207151.63566020658 0.37 5.22
Apr 2018 207749.0697700715 0.29 4.96
May 2018 208407.4279681472 0.32 4.67
Jun 2018 208961.05608568856 0.27 4.52
Jul 2018 209650.2564517612 0.33 4.57
Aug 2018 210115.52185024088 0.22 4.41
Sep 2018 210501.66228872677 0.18 3.94
Oct 2018 210440.2239323027 -0.03 3.38
Nov 2018 210433.27873173475 0.00 2.92
Dec 2018 210635.18562009584 0.10 2.76
Jan 2019 210931.22515356596 0.14 2.51
Feb 2019 211282.86018597824 0.17 2.37
Mar 2019 212062.4003904049 0.37 2.37
Apr 2019 213014.20962299148 0.45 2.53
May 2019 214053.95698328692 0.49 2.71
Jun 2019 214686.55524357726 0.30 2.74
Jul 2019 215340.37407683954 0.31 2.71
Aug 2019 216628.24901376406 0.60 3.10
Sep 2019 217980.5974938285 0.62 3.55
Oct 2019 219496.53789748249 0.70 4.30
Nov 2019 220645.86620947495 0.52 4.85
Dec 2019 222093.9416054977 0.66 5.44
Jan 2020 223241.29803549917 0.52 5.84
Feb 2020 224510.441390718 0.57 6.26
Mar 2020 225424.27919241044 0.41 6.30
Apr 2020 226542.61331554377 0.50 6.35
May 2020 227196.05183691942 0.29 6.14
Jun 2020 227909.58281745948 0.31 6.16
Jul 2020 228945.03387430796 0.45 6.32
Aug 2020 231188.8780823306 0.98 6.72
Sep 2020 234463.21925597393 1.42 7.56
Oct 2020 238044.3648253443 1.53 8.45
Nov 2020 241464.51336051335 1.44 9.44
Dec 2020 244451.0591836588 1.24 10.07
Jan 2021 247050.40036274793 1.06 10.67
Feb 2021 249509.329537589 1.00 11.14
Mar 2021 251975.57040728352 0.99 11.78
Apr 2021 254286.353157956 0.92 12.25
May 2021 257012.67774945791 1.07 13.12
Jun 2021 260512.51389706903 1.36 14.31
Jul 2021 264379.4645006438 1.48 15.48
Aug 2021 267456.68132580695 1.16 15.69
Sep 2021 269384.6970637448 0.72 14.89
Oct 2021 271341.51765943965 0.73 13.99
Nov 2021 273462.5048671102 0.78 13.25
Dec 2021 275442.66514461656 0.72 12.68
Jan 2022 277313.69270534086 0.68 12.25
Feb 2022 278851.9622854585 0.56 11.76
Mar 2022 280519.92525124707 0.60 11.33
Apr 2022 282732.50556327944 0.79 11.19
May 2022 285619.4354477471 1.02 11.13
Jun 2022 288578.32045082917 1.04 10.77
Jul 2022 289817.61336006183 0.43 9.62
Aug 2022 289380.17924292525 -0.15 8.20
Sep 2022 287720.3624848668 -0.57 6.81
Oct 2022 286757.29474248935 -0.33 5.68
Nov 2022 286137.6598674809 -0.22 4.64
Dec 2022 286125.6866440831 0.00 3.88
Jan 2023 286759.3962156361 0.22 3.41
Feb 2023 287108.61341145675 0.12 2.96
Mar 2023 288033.7753914361 0.32 2.68
Apr 2023 288892.41591709614 0.30 2.18
May 2023 291091.0096965715 0.76 1.92
Jun 2023 293452.43766010983 0.81 1.69
Jul 2023 295996.24622798734 0.87 2.13
Aug 2023 298589.6620865557 0.88 3.18
Sep 2023 300404.15496896615 0.61 4.41
Oct 2023 300931.20089428854 0.18 4.94
Nov 2023 300791.56235197786 -0.05 5.12
Dec 2023 300871.85180764995 0.03 5.15
Jan 2024 301191.61077122553 0.11 5.03
Feb 2024 302560.43583965563 0.45 5.38
Mar 2024 304801.4541302855 0.74 5.82
Apr 2024 307823.7623805231 0.99 6.55
May 2024 309968.9178020878 0.70 6.49
Jun 2024 310741.03893537127 0.25 5.89
Jul 2024 310174.98625121807 -0.18 4.79
Aug 2024 309099.272683761 -0.35 3.52
Sep 2024 308554.57816315483 -0.18 2.71
Oct 2024 308813.5987929715 0.08 2.62
Nov 2024 309398.09827106283 0.19 2.86
Dec 2024 310913.2420716868 0.49 3.34
Jan 2025 312583.2347185018 0.54 3.78
Feb 2025 314597.1771614202 0.64 3.98
Mar 2025 315040.86686955387 0.14 3.36
Apr 2025 314456.6059741636 -0.18 2.15
May 2025 313057.3378924614 -0.44 1.00
Jun 2025 311663.47782703 -0.44 0.30
Jul 2025 311166.162612061 -0.16 0.32
Aug 2025 310933.33729880326 -0.07 0.59
Sep 2025 311022.9030823382 0.03 0.80
Oct 2025 311555.2026334565 0.17 0.89
Nov 2025 312604.04252691165 0.34 1.04
Dec 2025 313960.80004937557 0.43 0.98
Jan 2026 314942.371113217 0.31 0.76
Feb 2026 315898.46946343937 0.30 0.41