Zip Code: 99170 (, Washington) - 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 99170 Zip Code (, Washington) in February 2026 was $301,396.565. The month over month percentage change (MoM) was 0.45%, and the year over year percentage change (YoY) was -2.21%.

The chart below shows the trend of the smoothed and seasonally adjusted ZHVI for the 99170 zip code (, Washington). The table below shows the trend of the smoothed and seasonally adjusted ZHVI, and the MoM and YoY percentage changes for the 99170 zip code (, Washington).

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

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: 99170 (, Washington) - Trend of Zillow Home Value Index (ZHVI), Smooth and Seasonally Adjusted ($)
Zip Code: 99170 (, Washington) - Trend of Zillow Home Value Index (ZHVI), Smooth and Seasonally Adjusted
Items per page:
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Month ZHVI ($) MoM Perc. Change (%) YoY Perc. Change (%)
Jan 2015 137936.37611848817 0.70 6.86
Feb 2015 138395.8665795437 0.33 6.56
Mar 2015 138879.16699311824 0.35 6.57
Apr 2015 140500.83455104975 1.17 7.12
May 2015 143074.15454198085 1.83 8.95
Jun 2015 144944.29724620937 1.31 10.88
Jul 2015 145793.00798901272 0.59 11.82
Aug 2015 144702.0979583109 -0.75 10.45
Sep 2015 143814.66054459053 -0.61 8.47
Oct 2015 142984.49714012278 -0.58 6.78
Nov 2015 142912.7462133176 -0.05 5.47
Dec 2015 143148.8987779851 0.17 4.50
Jan 2016 143379.5071102384 0.16 3.95
Feb 2016 143192.56673202585 -0.13 3.47
Mar 2016 141845.65590801067 -0.94 2.14
Apr 2016 140847.26425590063 -0.70 0.25
May 2016 140573.4426455989 -0.19 -1.75
Jun 2016 142183.4470237981 1.15 -1.90
Jul 2016 143624.98662407228 1.01 -1.49
Aug 2016 145536.67937425783 1.33 0.58
Sep 2016 146617.89608056043 0.74 1.95
Oct 2016 148140.69901467138 1.04 3.61
Nov 2016 149636.13753763057 1.01 4.71
Dec 2016 151069.65503664556 0.96 5.53
Jan 2017 152276.72556759333 0.80 6.21
Feb 2017 152565.57015797103 0.19 6.55
Mar 2017 152874.78299416922 0.20 7.78
Apr 2017 153283.9317705483 0.27 8.83
May 2017 154353.91277149445 0.70 9.80
Jun 2017 155664.90598254625 0.85 9.48
Jul 2017 157251.98563311063 1.02 9.49
Aug 2017 158537.57681504657 0.82 8.93
Sep 2017 160427.83205701903 1.19 9.42
Oct 2017 162393.1548170984 1.23 9.62
Nov 2017 164868.89085992175 1.53 10.18
Dec 2017 168013.41776408386 1.91 11.22
Jan 2018 171123.84243950798 1.85 12.38
Feb 2018 173711.80735683392 1.51 13.86
Mar 2018 175719.22567848276 1.16 14.94
Apr 2018 177548.23233846293 1.04 15.83
May 2018 180660.50745884053 1.75 17.04
Jun 2018 183258.960740981 1.44 17.73
Jul 2018 185872.33091681197 1.43 18.20
Aug 2018 187993.93831005818 1.14 18.58
Sep 2018 190456.6680088459 1.31 18.72
Oct 2018 192264.5076814303 0.95 18.39
Nov 2018 193139.05795853914 0.46 17.15
Dec 2018 193131.40569919327 0.00 14.95
Jan 2019 193540.16343898364 0.21 13.10
Feb 2019 194294.37487793085 0.39 11.85
Mar 2019 196450.7044322153 1.11 11.80
Apr 2019 197988.07899047178 0.78 11.51
May 2019 200050.45385924532 1.04 10.73
Jun 2019 202243.6417334998 1.10 10.36
Jul 2019 204705.17249045125 1.22 10.13
Aug 2019 205705.82675199254 0.49 9.42
Sep 2019 203783.27123439405 -0.93 7.00
Oct 2019 201913.9882877162 -0.92 5.02
Nov 2019 201497.73639092114 -0.21 4.33
Dec 2019 204271.87580021052 1.38 5.77
Jan 2020 209281.88886555485 2.45 8.13
Feb 2020 213926.12152890672 2.22 10.10
Mar 2020 217524.87091459092 1.68 10.73
Apr 2020 219340.37047740087 0.84 10.79
May 2020 218853.18297179276 -0.22 9.40
Jun 2020 215616.80365367467 -1.48 6.61
Jul 2020 212290.6831769614 -1.54 3.71
Aug 2020 211884.70593828717 -0.19 3.00
Sep 2020 215320.28859580494 1.62 5.66
Oct 2020 219475.83002744484 1.93 8.70
Nov 2020 223269.22742999042 1.73 10.81
Dec 2020 226736.42942200627 1.55 11.00
Jan 2021 230813.4060334017 1.80 10.29
Feb 2021 235530.8808950154 2.04 10.10
Mar 2021 239670.95818115413 1.76 10.18
Apr 2021 242397.28452211 1.14 10.51
May 2021 244050.33990327656 0.68 11.51
Jun 2021 245421.53908396352 0.56 13.82
Jul 2021 248665.68150460187 1.32 17.14
Aug 2021 252334.51028966796 1.48 19.09
Sep 2021 256541.56986931965 1.67 19.14
Oct 2021 259733.8999771718 1.24 18.34
Nov 2021 264394.94795152935 1.80 18.42
Dec 2021 269352.72220377345 1.88 18.80
Jan 2022 275191.1377204337 2.17 19.23
Feb 2022 280887.88802052516 2.07 19.26
Mar 2022 287387.6948685542 2.31 19.91
Apr 2022 292986.1987908247 1.95 20.87
May 2022 298468.8875495436 1.87 22.30
Jun 2022 302837.0198963871 1.46 23.40
Jul 2022 305468.3549946749 0.87 22.84
Aug 2022 305100.6780828062 -0.12 20.91
Sep 2022 303040.3673714485 -0.67 18.13
Oct 2022 301512.64659556834 -0.50 16.09
Nov 2022 300743.0887885029 -0.25 13.75
Dec 2022 300150.8788722256 -0.20 11.43
Jan 2023 299635.2594451182 -0.17 8.88
Feb 2023 300117.03255569976 0.16 6.85
Mar 2023 301672.2781878859 0.52 4.97
Apr 2023 303736.55550663575 0.68 3.67
May 2023 304944.843995898 0.40 2.17
Jun 2023 305574.532564353 0.21 0.90
Jul 2023 305916.8308961421 0.11 0.15
Aug 2023 306637.1314618488 0.24 0.50
Sep 2023 308128.12316375034 0.49 1.68
Oct 2023 309557.0362990769 0.46 2.67
Nov 2023 310223.2117792212 0.22 3.15
Dec 2023 308961.3303569448 -0.41 2.94
Jan 2024 306755.27524221846 -0.71 2.38
Feb 2024 305537.84967607516 -0.40 1.81
Mar 2024 306292.78628589626 0.25 1.53
Apr 2024 308486.632973684 0.72 1.56
May 2024 309801.3280244155 0.43 1.59
Jun 2024 309661.4471035867 -0.04 1.34
Jul 2024 308398.4786492065 -0.41 0.81
Aug 2024 307320.4188835608 -0.35 0.22
Sep 2024 307116.921891271 -0.07 -0.33
Oct 2024 307523.49851726234 0.13 -0.66
Nov 2024 307869.1690974095 0.11 -0.76
Dec 2024 308658.95806730725 0.26 -0.10
Jan 2025 308273.5046228306 -0.12 0.50
Feb 2025 308211.49687853095 -0.02 0.88
Mar 2025 306677.10750841926 -0.50 0.13
Apr 2025 304768.72684041975 -0.62 -1.20
May 2025 302825.6124397341 -0.64 -2.25
Jun 2025 301215.2071774244 -0.53 -2.73
Jul 2025 300968.6176568277 -0.08 -2.41
Aug 2025 300395.8277792938 -0.19 -2.25
Sep 2025 300008.1402493886 -0.13 -2.31
Oct 2025 299410.64009534544 -0.20 -2.64
Nov 2025 299156.22596048965 -0.08 -2.83
Dec 2025 299211.30187180295 0.02 -3.06
Jan 2026 300061.1580333723 0.28 -2.66
Feb 2026 301396.5650128577 0.45 -2.21