Zip Code: 94028 (Portola Valley, California) - 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 94028 Zip Code (Portola Valley, California) in February 2026 was $4,143,933.474. The month over month percentage change (MoM) was 0.95%, and the year over year percentage change (YoY) was 9.74%.

The chart below shows the trend of the smoothed and seasonally adjusted ZHVI for the 94028 zip code (Portola Valley, California). The table below shows the trend of the smoothed and seasonally adjusted ZHVI, and the MoM and YoY percentage changes for the 94028 zip code (Portola Valley, California).

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

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: 94028 (Portola Valley, California) - Trend of Zillow Home Value Index (ZHVI), Smooth and Seasonally Adjusted ($)
Zip Code: 94028 (Portola Valley, California) - Trend of Zillow Home Value Index (ZHVI), Smooth and Seasonally Adjusted
Items per page:
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Month ZHVI ($) MoM Perc. Change (%) YoY Perc. Change (%)
Jan 2015 2640406.703797344 1.97 12.80
Feb 2015 2676220.7216547737 1.36 13.13
Mar 2015 2708740.4111903626 1.22 13.35
Apr 2015 2716195.7143991943 0.28 12.50
May 2015 2726150.752936896 0.37 11.94
Jun 2015 2737285.322156519 0.41 12.02
Jul 2015 2753327.813557518 0.59 12.67
Aug 2015 2768678.1696494105 0.56 13.29
Sep 2015 2793226.7430328312 0.89 13.08
Oct 2015 2828457.4231577143 1.26 13.04
Nov 2015 2863898.5120727033 1.25 12.27
Dec 2015 2888997.6067219223 0.88 11.57
Jan 2016 2917186.6027868004 0.98 10.48
Feb 2016 2945920.7427076064 0.99 10.08
Mar 2016 2969511.811113186 0.80 9.63
Apr 2016 2972026.2107175626 0.09 9.42
May 2016 2952767.6928286557 -0.65 8.31
Jun 2016 2926254.9285027403 -0.90 6.90
Jul 2016 2890528.4981562025 -1.22 4.98
Aug 2016 2863846.186701251 -0.92 3.44
Sep 2016 2839949.8648447073 -0.83 1.67
Oct 2016 2836409.457277953 -0.12 0.28
Nov 2016 2842187.4550191164 0.20 -0.76
Dec 2016 2865546.490250966 0.82 -0.81
Jan 2017 2885328.9671602063 0.69 -1.09
Feb 2017 2907879.1010253504 0.78 -1.29
Mar 2017 2907265.7993401517 -0.02 -2.10
Apr 2017 2908399.2039255067 0.04 -2.14
May 2017 2897626.852248246 -0.37 -1.87
Jun 2017 2894006.6264005136 -0.12 -1.10
Jul 2017 2891082.726996783 -0.10 0.02
Aug 2017 2897534.8471206166 0.22 1.18
Sep 2017 2921911.7256099726 0.84 2.89
Oct 2017 2950086.1340613686 0.96 4.01
Nov 2017 2976625.0791037604 0.90 4.73
Dec 2017 3008451.3153369892 1.07 4.99
Jan 2018 3052502.404631455 1.46 5.79
Feb 2018 3095155.0262990985 1.40 6.44
Mar 2018 3119330.4227519613 0.78 7.29
Apr 2018 3129711.98905902 0.33 7.61
May 2018 3141975.267892059 0.39 8.43
Jun 2018 3153401.8381064436 0.36 8.96
Jul 2018 3151797.101171429 -0.05 9.02
Aug 2018 3156805.0910335877 0.16 8.95
Sep 2018 3168313.534461641 0.37 8.43
Oct 2018 3199275.1718829474 0.98 8.45
Nov 2018 3220319.745574876 0.66 8.19
Dec 2018 3221807.505899873 0.05 7.09
Jan 2019 3203016.2755603716 -0.58 4.93
Feb 2019 3166763.051467596 -1.13 2.31
Mar 2019 3135341.392857883 -0.99 0.51
Apr 2019 3119961.181614298 -0.49 -0.31
May 2019 3110927.1826558677 -0.29 -0.99
Jun 2019 3097438.024660721 -0.43 -1.77
Jul 2019 3088509.9599412526 -0.29 -2.01
Aug 2019 3100462.327266565 0.39 -1.78
Sep 2019 3128702.929598234 0.91 -1.25
Oct 2019 3138838.7258802014 0.32 -1.89
Nov 2019 3141738.3929528296 0.09 -2.44
Dec 2019 3138765.486552646 -0.09 -2.58
Jan 2020 3139916.008082528 0.04 -1.97
Feb 2020 3138569.6741063115 -0.04 -0.89
Mar 2020 3142887.4347679936 0.14 0.24
Apr 2020 3148159.005989466 0.17 0.90
May 2020 3145694.047810229 -0.08 1.12
Jun 2020 3121053.389693927 -0.78 0.76
Jul 2020 3090265.5681914217 -0.99 0.06
Aug 2020 3065912.457709392 -0.79 -1.11
Sep 2020 3077670.2097139372 0.38 -1.63
Oct 2020 3102484.124321277 0.81 -1.16
Nov 2020 3140173.225862322 1.22 -0.05
Dec 2020 3163313.039121336 0.74 0.78
Jan 2021 3185405.822803592 0.70 1.45
Feb 2021 3201375.39008243 0.50 2.00
Mar 2021 3223577.2378079207 0.69 2.57
Apr 2021 3260854.041667946 1.16 3.58
May 2021 3307652.4491881873 1.44 5.15
Jun 2021 3370449.806099351 1.90 7.99
Jul 2021 3427203.167194275 1.68 10.90
Aug 2021 3476387.2374291387 1.44 13.39
Sep 2021 3502569.985979767 0.75 13.81
Oct 2021 3533963.571913237 0.90 13.91
Nov 2021 3571249.21793377 1.06 13.73
Dec 2021 3620203.184106549 1.37 14.44
Jan 2022 3681648.5208002045 1.70 15.58
Feb 2022 3764721.1103874915 2.26 17.60
Mar 2022 3867671.289685469 2.74 19.98
Apr 2022 3953308.7553139296 2.21 21.24
May 2022 4005868.627469618 1.33 21.11
Jun 2022 4009608.7753458302 0.09 18.96
Jul 2022 3967995.8585295663 -1.04 15.78
Aug 2022 3889815.28279737 -1.97 11.89
Sep 2022 3794291.299702886 -2.46 8.33
Oct 2022 3716190.8353915983 -2.06 5.16
Nov 2022 3668932.820922348 -1.27 2.74
Dec 2022 3645028.422814671 -0.65 0.69
Jan 2023 3602999.9801526847 -1.15 -2.14
Feb 2023 3557586.368449935 -1.26 -5.50
Mar 2023 3515468.0048921 -1.18 -9.11
Apr 2023 3508701.9628202636 -0.19 -11.25
May 2023 3512175.543532336 0.10 -12.32
Jun 2023 3529110.0109224417 0.48 -11.98
Jul 2023 3558570.789719595 0.84 -10.32
Aug 2023 3588820.874549025 0.85 -7.74
Sep 2023 3616678.444276067 0.78 -4.68
Oct 2023 3635579.085955221 0.52 -2.17
Nov 2023 3634696.8285634182 -0.02 -0.93
Dec 2023 3608629.6398849455 -0.72 -1.00
Jan 2024 3565434.7731767595 -1.20 -1.04
Feb 2024 3537942.810837038 -0.77 -0.55
Mar 2024 3550008.8703296925 0.34 0.98
Apr 2024 3600904.7954558134 1.43 2.63
May 2024 3647672.302636755 1.30 3.86
Jun 2024 3669858.9113625716 0.61 3.99
Jul 2024 3672247.080076395 0.07 3.19
Aug 2024 3677052.8293681988 0.13 2.46
Sep 2024 3691024.298748287 0.38 2.06
Oct 2024 3700633.9556748755 0.26 1.79
Nov 2024 3718145.7786534927 0.47 2.30
Dec 2024 3741744.766152539 0.64 3.69
Jan 2025 3760121.6962886727 0.49 5.46
Feb 2025 3776167.089263339 0.43 6.73
Mar 2025 3792733.63623875 0.44 6.84
Apr 2025 3813400.874260146 0.55 5.90
May 2025 3828424.7585627655 0.39 4.96
Jun 2025 3831316.5019830647 0.08 4.40
Jul 2025 3841605.986448202 0.27 4.61
Aug 2025 3853820.398880739 0.32 4.81
Sep 2025 3887595.459099164 0.88 5.33
Oct 2025 3940109.9972113646 1.35 6.47
Nov 2025 4002267.9489845694 1.58 7.64
Dec 2025 4060453.403086239 1.45 8.52
Jan 2026 4104894.8334744275 1.09 9.17
Feb 2026 4143933.4741114173 0.95 9.74