Zip Code: 92831 (Fullerton, California) - Trend of Zillow Observed Rent Index (ZORI) for All Homes Plus Multifamily, Smooth and Seasonally Adjusted (Zillow)
Updated on March 2, 2026.

According to data from Zillow.com, the smoothed and seasonally adjusted Zillow Observed Rent Index (ZORI) for All Homes Plus Multifamily in the 92831 Zip Code (Fullerton, California) in January 2026 was $2,535.775. The month over month percentage change (MoM) was 0.35%, and the year over year percentage change (YoY) was 0.82%.

The chart below shows the trend of the smoothed and seasonally adjusted ZORI for the 92831 zip code (Fullerton, California). The table below shows the trend of the smoothed and seasonally adjusted ZORI, and the MoM and YoY percentage changes for the 92831 zip code (Fullerton, 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: 92831 (Fullerton, California) - Trend of Zillow Observed Rent Index (ZORI) for All Homes Plus Multifamily, Smooth and Seasonally Adjusted ($)
Zip Code: 92831 (Fullerton, California) - Trend of Zillow Observed Rent Index (ZORI) for All Homes Plus Multifamily, Smooth and Seasonally Adjusted
Items per page:
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Month ZORI ($) 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 0 NaN NaN
Jul 2017 0 NaN NaN
Aug 2017 0 NaN NaN
Sep 2017 0 NaN NaN
Oct 2017 0 NaN NaN
Nov 2017 0 NaN NaN
Dec 2017 0 NaN NaN
Jan 2018 0 NaN NaN
Feb 2018 0 NaN NaN
Mar 2018 0 NaN NaN
Apr 2018 0 NaN NaN
May 2018 0 NaN NaN
Jun 2018 0 NaN NaN
Jul 2018 0 NaN NaN
Aug 2018 0 NaN NaN
Sep 2018 0 NaN NaN
Oct 2018 0 NaN NaN
Nov 2018 0 NaN NaN
Dec 2018 0 NaN NaN
Jan 2019 0 NaN NaN
Feb 2019 0 NaN NaN
Mar 2019 0 NaN NaN
Apr 2019 0 NaN NaN
May 2019 0 NaN NaN
Jun 2019 0 NaN NaN
Jul 2019 0 NaN NaN
Aug 2019 0 NaN NaN
Sep 2019 0 NaN NaN
Oct 2019 0 NaN NaN
Nov 2019 0 NaN NaN
Dec 2019 0 NaN NaN
Jan 2020 0 NaN NaN
Feb 2020 0 NaN NaN
Mar 2020 0 NaN NaN
Apr 2020 1903.391662058375 Infinity Infinity
May 2020 1907.6481160717885 0.22 Infinity
Jun 2020 1873.0592635910837 -1.81 Infinity
Jul 2020 1857.2039434654635 -0.85 Infinity
Aug 2020 1858.1729935939886 0.05 Infinity
Sep 2020 1856.9825908874166 -0.06 Infinity
Oct 2020 1869.5904736829175 0.68 Infinity
Nov 2020 1888.7499354983493 1.02 Infinity
Dec 2020 1918.84053069958 1.59 Infinity
Jan 2021 1917.1186631269336 -0.09 Infinity
Feb 2021 1939.092854384687 1.15 Infinity
Mar 2021 1932.498960234698 -0.34 Infinity
Apr 2021 1937.4164772774743 0.25 1.79
May 2021 1961.8680051649815 1.26 2.84
Jun 2021 2010.082071027254 2.46 7.32
Jul 2021 2085.2057196909927 3.74 12.28
Aug 2021 2116.8494307949877 1.52 13.92
Sep 2021 2149.71827769544 1.55 15.76
Oct 2021 2148.9834338260766 -0.03 14.94
Nov 2021 2159.1714080620677 0.47 14.32
Dec 2021 2163.2801771435284 0.19 12.74
Jan 2022 2191.5333330482376 1.31 14.31
Feb 2022 2219.1619464768914 1.26 14.44
Mar 2022 2261.5711103858157 1.91 17.03
Apr 2022 2305.0668028204827 1.92 18.98
May 2022 2335.8369944318956 1.34 19.06
Jun 2022 2354.1592326666087 0.78 17.12
Jul 2022 2343.774797717883 -0.44 12.40
Aug 2022 2356.9993456673856 0.56 11.35
Sep 2022 2367.136124665002 0.43 10.11
Oct 2022 2390.872647983108 1.00 11.26
Nov 2022 2398.331755390483 0.31 11.08
Dec 2022 2388.648349348718 -0.40 10.42
Jan 2023 2395.6659902457177 0.29 9.32
Feb 2023 2382.4725048167443 -0.55 7.36
Mar 2023 2394.3450941806595 0.50 5.87
Apr 2023 2382.8594643133647 -0.48 3.38
May 2023 2383.037853355216 0.01 2.02
Jun 2023 2375.0426988141016 -0.34 0.89
Jul 2023 2395.936067053384 0.88 2.23
Aug 2023 2406.7207109365963 0.45 2.11
Sep 2023 2417.1444876668656 0.43 2.11
Oct 2023 2423.9536676152024 0.28 1.38
Nov 2023 2437.0969129035116 0.54 1.62
Dec 2023 2474.108583769078 1.52 3.58
Jan 2024 2483.495240028023 0.38 3.67
Feb 2024 2500.22623598107 0.67 4.94
Mar 2024 2479.655258714275 -0.82 3.56
Apr 2024 2480.8533171720746 0.05 4.11
May 2024 2476.083758042277 -0.19 3.91
Jun 2024 2496.690909012255 0.83 5.12
Jul 2024 2498.7222252275324 0.08 4.29
Aug 2024 2503.2942456908822 0.18 4.01
Sep 2024 2510.849838586229 0.30 3.88
Oct 2024 2535.8682187225077 1.00 4.62
Nov 2024 2533.4046326247335 -0.10 3.95
Dec 2024 2527.7751015923564 -0.22 2.17
Jan 2025 2515.0407151729064 -0.50 1.27
Feb 2025 2519.869255345229 0.19 0.79
Mar 2025 2537.544009859357 0.70 2.34
Apr 2025 2548.2076982133203 0.42 2.72
May 2025 2558.790438495183 0.42 3.34
Jun 2025 2554.2233530096805 -0.18 2.30
Jul 2025 2553.8462456728375 -0.01 2.21
Aug 2025 2552.1258428200285 -0.07 1.95
Sep 2025 2547.9772656076116 -0.16 1.48
Oct 2025 2529.766836059157 -0.71 -0.24
Nov 2025 2531.4939372266103 0.07 -0.07
Dec 2025 2526.9396606703976 -0.18 -0.03
Jan 2026 2535.7745726495727 0.35 0.82