Zip Code: 94404 (Foster City, California) - Trend of Zillow Observed Rent Index (ZORI) for All Homes Plus Multifamily, Smooth and Seasonally Adjusted (Zillow)

Updated on March 22, 2026.

According to data from Zillow.com, the smoothed and seasonally adjusted Zillow Observed Rent Index (ZORI) for All Homes Plus Multifamily in the 94404 Zip Code (Foster City, California) in February 2026 was $3,818.156. The month over month percentage change (MoM) was 0.86%, and the year over year percentage change (YoY) was 7.70%.

The chart below shows the trend of the smoothed and seasonally adjusted ZORI for the 94404 zip code (Foster City, California). The table below shows the trend of the smoothed and seasonally adjusted ZORI, and the MoM and YoY percentage changes for the 94404 zip code (Foster City, California).

You can see similar information for other California zip codes.

Note: Zillow Observed Rent Index (ZORI) is a smoothed measure of the typical observed market rate rent across a given region. ZORI is a repeat-rent index that is weighted to the rental housing stock to ensure representativeness across the entire market, not just homes currently listed for-rent.

Data Source: Zillow.
Zip Code: 94404 (Foster City, California) - Trend of Zillow Observed Rent Index (ZORI) for All Homes Plus Multifamily, Smooth and Seasonally Adjusted ($)
Zip Code: 94404 (Foster City, California) - Trend of Zillow Observed Rent Index (ZORI) for All Homes Plus Multifamily, Smooth and Seasonally Adjusted
Items per page:
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Month ZORI ($) MoM Perc. Change (%) YoY Perc. Change (%)
Jan 2015 0 NaN NaN
Feb 2015 0 NaN NaN
Mar 2015 0 NaN NaN
Apr 2015 0 NaN NaN
May 2015 0 NaN NaN
Jun 2015 0 NaN NaN
Jul 2015 0 NaN NaN
Aug 2015 0 NaN NaN
Sep 2015 0 NaN NaN
Oct 2015 0 NaN NaN
Nov 2015 0 NaN NaN
Dec 2015 0 NaN NaN
Jan 2016 0 NaN NaN
Feb 2016 0 NaN NaN
Mar 2016 0 NaN NaN
Apr 2016 0 NaN NaN
May 2016 0 NaN NaN
Jun 2016 0 NaN NaN
Jul 2016 0 NaN NaN
Aug 2016 0 NaN NaN
Sep 2016 0 NaN NaN
Oct 2016 0 NaN NaN
Nov 2016 0 NaN NaN
Dec 2016 0 NaN NaN
Jan 2017 0 NaN NaN
Feb 2017 0 NaN NaN
Mar 2017 0 NaN NaN
Apr 2017 0 NaN NaN
May 2017 0 NaN NaN
Jun 2017 2984.8470276247094 Infinity Infinity
Jul 2017 2952.2301166833754 -1.09 Infinity
Aug 2017 2966.2036265652196 0.47 Infinity
Sep 2017 2976.9912256805014 0.36 Infinity
Oct 2017 3006.848766143732 1.00 Infinity
Nov 2017 3010.6593875522985 0.13 Infinity
Dec 2017 2988.6032761376246 -0.73 Infinity
Jan 2018 2944.805313024796 -1.46 Infinity
Feb 2018 2932.6128842297776 -0.41 Infinity
Mar 2018 2946.459980640941 0.47 Infinity
Apr 2018 2982.2694492710575 1.22 Infinity
May 2018 3018.0050278678677 1.20 Infinity
Jun 2018 3065.995672879808 1.59 2.72
Jul 2018 3093.486391785216 0.90 4.79
Aug 2018 3086.7999965557983 -0.22 4.07
Sep 2018 3051.2090638924915 -1.15 2.49
Oct 2018 3054.732176546326 0.12 1.59
Nov 2018 3055.641465220304 0.03 1.49
Dec 2018 3098.44320766527 1.40 3.68
Jan 2019 3117.1196891926447 0.60 5.85
Feb 2019 3161.261192168929 1.42 7.80
Mar 2019 3158.5650066755343 -0.08 7.20
Apr 2019 3126.636744166897 -1.01 4.84
May 2019 3129.018078729018 0.08 3.68
Jun 2019 3108.744160204739 -0.65 1.39
Jul 2019 3135.680209730514 0.87 1.36
Aug 2019 3161.0217567593504 0.81 2.40
Sep 2019 3201.390444839646 1.28 4.92
Oct 2019 3212.927667050762 0.36 5.18
Nov 2019 3225.921692285028 0.40 5.57
Dec 2019 3236.2701973933113 0.32 4.45
Jan 2020 3254.727328634119 0.57 4.42
Feb 2020 3255.8090551604078 0.03 2.99
Mar 2020 3213.381009017615 -1.30 1.74
Apr 2020 3186.803202405641 -0.83 1.92
May 2020 3149.60525223718 -1.17 0.66
Jun 2020 3118.6778672604764 -0.98 0.32
Jul 2020 3063.7491712415263 -1.76 -2.29
Aug 2020 3029.5633423111526 -1.12 -4.16
Sep 2020 2997.0466524040394 -1.07 -6.38
Oct 2020 2962.796943541409 -1.14 -7.78
Nov 2020 2930.5412470461306 -1.09 -9.16
Dec 2020 2882.6750170941204 -1.63 -10.93
Jan 2021 2874.0362098862106 -0.30 -11.70
Feb 2021 2842.9587487021554 -1.08 -12.68
Mar 2021 2850.150696115386 0.25 -11.30
Apr 2021 2877.35903243828 0.96 -9.71
May 2021 2928.622596008661 1.78 -7.02
Jun 2021 2984.60767101974 1.91 -4.30
Jul 2021 3031.6769448766054 1.58 -1.05
Aug 2021 3062.245945443259 1.01 1.08
Sep 2021 3091.892967000737 0.97 3.17
Oct 2021 3139.531868960619 1.54 5.97
Nov 2021 3156.651332255363 0.55 7.72
Dec 2021 3206.310423455286 1.57 11.23
Jan 2022 3203.2109853573565 -0.10 11.45
Feb 2022 3278.6031804065215 2.35 15.32
Mar 2022 3299.2266323571325 0.63 15.76
Apr 2022 3322.852857621081 0.72 15.48
May 2022 3320.4195236156816 -0.07 13.38
Jun 2022 3323.6747872019896 0.10 11.36
Jul 2022 3341.8938454462073 0.55 10.23
Aug 2022 3355.084365878527 0.40 9.56
Sep 2022 3370.504716635941 0.46 9.01
Oct 2022 3359.6130458597877 -0.32 7.01
Nov 2022 3347.123744532486 -0.37 6.03
Dec 2022 3346.1681197890052 -0.03 4.36
Jan 2023 3369.323137524667 0.69 5.19
Feb 2023 3375.7809404646923 0.19 2.96
Mar 2023 3383.576706863442 0.23 2.56
Apr 2023 3363.33883453824 -0.60 1.22
May 2023 3351.4324836835513 -0.35 0.93
Jun 2023 3366.1952168693897 0.44 1.28
Jul 2023 3374.800703789957 0.26 0.99
Aug 2023 3387.8133429267587 0.39 0.98
Sep 2023 3367.757511909692 -0.59 -0.08
Oct 2023 3383.3099800014024 0.46 0.71
Nov 2023 3387.0548245768446 0.11 1.19
Dec 2023 3383.6427797184983 -0.10 1.12
Jan 2024 3403.4942234149785 0.59 1.01
Feb 2024 3424.489031145275 0.62 1.44
Mar 2024 3443.6762918866116 0.56 1.78
Apr 2024 3453.901889834997 0.30 2.69
May 2024 3455.4973714480498 0.05 3.11
Jun 2024 3453.028484655894 -0.07 2.58
Jul 2024 3443.5936488187026 -0.27 2.04
Aug 2024 3458.7795842981936 0.44 2.10
Sep 2024 3480.6048477668955 0.63 3.35
Oct 2024 3515.3357624528994 1.00 3.90
Nov 2024 3531.830409830141 0.47 4.27
Dec 2024 3547.489666816856 0.44 4.84
Jan 2025 3549.0712893403897 0.05 4.28
Feb 2025 3545.246837188138 -0.11 3.53
Mar 2025 3551.6952701393284 0.18 3.14
Apr 2025 3578.274319044494 0.75 3.60
May 2025 3613.0324224882384 0.97 4.56
Jun 2025 3637.7804176220857 0.69 5.35
Jul 2025 3669.172863714651 0.86 6.55
Aug 2025 3681.4432316166663 0.33 6.44
Sep 2025 3705.54686199373 0.66 6.46
Oct 2025 3707.495799499823 0.05 5.47
Nov 2025 3732.481573067157 0.67 5.68
Dec 2025 3760.1737069304854 0.74 6.00
Jan 2026 3785.6821351631893 0.68 6.67
Feb 2026 3818.1564027370478 0.86 7.70