Diamond Bar (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 Diamond Bar (City), California in February 2026 was $3,145.821. The month over month percentage change (MoM) was 0.49%, and the year over year percentage change (YoY) was 3.30%.

The chart below shows the trend of the smoothed and seasonally adjusted ZORI for Diamond Bar (City), CA. The table below shows the trend of the smoothed and seasonally adjusted ZORI, and the MoM and YoY percentage changes for Diamond Bar (City), CA.

You can see similar information for other California cities.

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.
Diamond Bar (City), CA - Trend of Zillow Observed Rent Index (ZORI) for All Homes Plus Multifamily, Smooth and Seasonally Adjusted ($)
Diamond Bar (City), CA - Trend of Zillow Observed Rent Index (ZORI) for All Homes Plus Multifamily, Smooth and Seasonally Adjusted
1 – 10 of 134
Month ZORI ($) MoM Perc. Change (%) YoY Perc. Change (%)
Jan 2015 1831.4202119815027 NaN NaN
Feb 2015 1842.719482739071 0.62 NaN
Mar 2015 1848.0225188366935 0.29 NaN
Apr 2015 1857.5598092769521 0.52 NaN
May 2015 1845.498724752334 -0.65 NaN
Jun 2015 1847.590930380776 0.11 NaN
Jul 2015 1863.1493905355599 0.84 NaN
Aug 2015 1884.0827599405884 1.12 NaN
Sep 2015 1897.1978375078331 0.70 NaN
Oct 2015 1888.3601553444305 -0.47 NaN
Nov 2015 1900.342314285303 0.64 NaN
Dec 2015 1915.9546651394137 0.82 NaN
Jan 2016 1922.81967174958 0.36 4.99
Feb 2016 1926.2219540338137 0.18 4.53
Mar 2016 1899.3982493402084 -1.39 2.78
Apr 2016 1904.5080029838236 0.27 2.53
May 2016 1908.7810295842037 0.22 3.43
Jun 2016 1940.0943288354263 1.64 5.01
Jul 2016 1950.853809832283 0.56 4.71
Aug 2016 1954.5754658589738 0.19 3.74
Sep 2016 1952.2774683208804 -0.12 2.90
Oct 2016 1968.8908715310536 0.85 4.26
Nov 2016 1969.719632830589 0.04 3.65
Dec 2016 1979.9960433781832 0.52 3.34
Jan 2017 1998.6498042057458 0.94 3.94
Feb 2017 2005.4668313213215 0.34 4.11
Mar 2017 2019.64393776904 0.71 6.33
Apr 2017 2014.9755951842703 -0.23 5.80
May 2017 2045.5737172108277 1.52 7.17
Jun 2017 2045.4527669216095 -0.01 5.43
Jul 2017 2040.5120202935932 -0.24 4.60
Aug 2017 2031.918433740384 -0.42 3.96
Sep 2017 2042.5297631463236 0.52 4.62
Oct 2017 2052.823483900324 0.50 4.26
Nov 2017 2063.059204518226 0.50 4.74
Dec 2017 2059.0975473283825 -0.19 4.00
Jan 2018 2057.316341036207 -0.09 2.94
Feb 2018 2059.4350663205705 0.10 2.69
Mar 2018 2072.50347862632 0.64 2.62
Apr 2018 2066.6987647536102 -0.28 2.57
May 2018 2069.345267979292 0.13 1.16
Jun 2018 2076.173513740409 0.33 1.50
Jul 2018 2098.929577386171 1.10 2.86
Aug 2018 2106.3058243083474 0.35 3.66
Sep 2018 2111.372594054736 0.24 3.37
Oct 2018 2113.6864282757588 0.11 2.97
Nov 2018 2113.908162806313 0.01 2.47
Dec 2018 2106.054535023499 -0.37 2.28
Jan 2019 2103.4953420199918 -0.12 2.25
Feb 2019 2110.0215224984945 0.31 2.46
Mar 2019 2110.5686093109234 0.03 1.84
Apr 2019 2128.8797609128383 0.87 3.01
May 2019 2125.4122072241657 -0.16 2.71
Jun 2019 2128.3224021709525 0.14 2.51
Jul 2019 2126.279482537292 -0.10 1.30
Aug 2019 2140.177366909469 0.65 1.61
Sep 2019 2149.12423150283 0.42 1.79
Oct 2019 2158.382627112453 0.43 2.12
Nov 2019 2173.2807688393123 0.69 2.81
Dec 2019 2200.7940429235464 1.27 4.50
Jan 2020 2223.3998696242943 1.03 5.70
Feb 2020 2241.165370534732 0.80 6.22
Mar 2020 2173.294383576332 -3.03 2.97
Apr 2020 2171.29988021988 -0.09 1.99
May 2020 2147.2872459976184 -1.11 1.03
Jun 2020 2172.0163761434173 1.15 2.05
Jul 2020 2162.306576840176 -0.45 1.69
Aug 2020 2179.1720158994426 0.78 1.82
Sep 2020 2186.2769318324376 0.33 1.73
Oct 2020 2213.0157044418324 1.22 2.53
Nov 2020 2237.4027522970077 1.10 2.95
Dec 2020 2270.527942414549 1.48 3.17
Jan 2021 2293.220478788175 1.00 3.14
Feb 2021 2311.333365844415 0.79 3.13
Mar 2021 2326.095290159925 0.64 7.03
Apr 2021 2340.581310254468 0.62 7.80
May 2021 2398.652425960199 2.48 11.71
Jun 2021 2435.6953090971706 1.54 12.14
Jul 2021 2479.955955731538 1.82 14.69
Aug 2021 2492.934574640965 0.52 14.40
Sep 2021 2531.926796799268 1.56 15.81
Oct 2021 2581.0989982150163 1.94 16.63
Nov 2021 2581.5260732922548 0.02 15.38
Dec 2021 2593.0214638197126 0.45 14.20
Jan 2022 2573.367488963266 -0.76 12.22
Feb 2022 2598.285132946455 0.97 12.42
Mar 2022 2612.9990088309273 0.57 12.33
Apr 2022 2639.460403355524 1.01 12.77
May 2022 2657.608682205214 0.69 10.80
Jun 2022 2679.6400806647957 0.83 10.02
Jul 2022 2716.0764555867077 1.36 9.52
Aug 2022 2729.8041455161883 0.51 9.50
Sep 2022 2709.364965550248 -0.75 7.01
Oct 2022 2700.7954596264453 -0.32 4.64
Nov 2022 2735.8398297286076 1.30 5.98
Dec 2022 2760.328517875059 0.90 6.45
Jan 2023 2784.2509473472096 0.87 8.20
Feb 2023 2788.5571292299346 0.16 7.32
Mar 2023 2863.5402107390332 2.69 9.59
Apr 2023 2869.0596701853965 0.19 8.70
May 2023 2883.128945873657 0.49 8.49
Jun 2023 2843.871329537838 -1.36 6.13
Jul 2023 2852.9003394903334 0.32 5.04
Aug 2023 2850.6145796620385 -0.08 4.43
Sep 2023 2891.7293698624276 1.44 6.73
Oct 2023 2891.9513701888454 0.01 7.08
Nov 2023 2902.662674027548 0.37 6.10
Dec 2023 2883.348805606844 -0.66 4.46
Jan 2024 2939.4930384289564 1.95 5.58
Feb 2024 2941.901439876863 0.08 5.50
Mar 2024 2918.477002488241 -0.80 1.92
Apr 2024 2910.3331352728164 -0.28 1.44
May 2024 2930.405970266117 0.69 1.64
Jun 2024 2961.5345610411828 1.06 4.14
Jul 2024 2963.2849454140905 0.06 3.87
Aug 2024 2955.9012910665456 -0.25 3.69
Sep 2024 2981.784342632908 0.88 3.11
Oct 2024 2980.620045217378 -0.04 3.07
Nov 2024 3021.411926739454 1.37 4.09
Dec 2024 3028.533773180177 0.24 5.04
Jan 2025 3042.4543432230594 0.46 3.50
Feb 2025 3045.457043970018 0.10 3.52
Mar 2025 3052.709992352447 0.24 4.60
Apr 2025 3080.1270764293085 0.90 5.83
May 2025 3080.6679322165355 0.02 5.13
Jun 2025 3098.2372636890727 0.57 4.62
Jul 2025 3110.5617255368593 0.40 4.97
Aug 2025 3140.699133822359 0.97 6.25
Sep 2025 3127.9118587206294 -0.41 4.90
Oct 2025 3153.56461924352 0.82 5.80
Nov 2025 3131.7348722449437 -0.69 3.65
Dec 2025 3152.750097618872 0.67 4.10
Jan 2026 3130.545265957002 -0.70 2.90
Feb 2026 3145.821428571429 0.49 3.30