Contra Costa County, 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 Contra Costa County, California in February 2026 was $2,728.475. The month over month percentage change (MoM) was 0.54%, and the year over year percentage change (YoY) was 2.92%.

The chart below shows the trend of the smoothed and seasonally adjusted ZORI for Contra Costa County, CA. The table below shows the trend of the smoothed and seasonally adjusted ZORI, and the MoM and YoY percentage changes for Contra Costa County, CA.

You can see similar information for other California counties.

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.
Contra Costa County, CA - Trend of Zillow Observed Rent Index (ZORI) for All Homes Plus Multifamily, Smooth and Seasonally Adjusted ($)
Contra Costa County, CA - Trend of Zillow Observed Rent Index (ZORI) for All Homes Plus Multifamily, Smooth and Seasonally Adjusted
1 – 10 of 134
Month ZORI ($) MoM Perc. Change (%) YoY Perc. Change (%)
Jan 2015 1728.8092086122824 13198.53 NaN
Feb 2015 1730.4338170087517 0.09 NaN
Mar 2015 1743.5115901860063 0.76 NaN
Apr 2015 1749.366313399196 0.34 NaN
May 2015 1763.9003500171957 0.83 NaN
Jun 2015 1778.0086375881972 0.80 NaN
Jul 2015 1798.7524758212055 1.17 NaN
Aug 2015 1815.2861615531733 0.92 NaN
Sep 2015 1827.5187627356672 0.67 NaN
Oct 2015 1842.7212747974083 0.83 NaN
Nov 2015 1856.4894996733924 0.75 30841.49
Dec 2015 1870.0821873493974 0.73 14285.25
Jan 2016 1874.5816071324264 0.24 8.43
Feb 2016 1891.921124087114 0.93 9.33
Mar 2016 1901.3189242131402 0.50 9.05
Apr 2016 1921.1004553598605 1.04 9.82
May 2016 1925.986219137909 0.25 9.19
Jun 2016 1934.5384200127942 0.44 8.80
Jul 2016 1941.801637883781 0.38 7.95
Aug 2016 1945.853709177511 0.21 7.19
Sep 2016 1949.0292941230277 0.16 6.65
Oct 2016 1947.9015041257271 -0.06 5.71
Nov 2016 1953.9937120179356 0.31 5.25
Dec 2016 1961.5657041287327 0.39 4.89
Jan 2017 1976.9755528070928 0.79 5.46
Feb 2017 1989.8647913981167 0.65 5.18
Mar 2017 2008.0540824228503 0.91 5.61
Apr 2017 2019.6402509079373 0.58 5.13
May 2017 2024.5690871602196 0.24 5.12
Jun 2017 2037.9592846190515 0.66 5.35
Jul 2017 2042.266918981699 0.21 5.17
Aug 2017 2058.619938332228 0.80 5.80
Sep 2017 2066.651360794906 0.39 6.04
Oct 2017 2078.757443379537 0.59 6.72
Nov 2017 2087.606142804781 0.43 6.84
Dec 2017 2092.6814353534805 0.24 6.68
Jan 2018 2098.3747727603113 0.27 6.14
Feb 2018 2102.655517251679 0.20 5.67
Mar 2018 2107.9305742528604 0.25 4.97
Apr 2018 2114.7657749858363 0.32 4.71
May 2018 2122.1906161042775 0.35 4.82
Jun 2018 2126.060778119854 0.18 4.32
Jul 2018 2133.5612648117676 0.35 4.47
Aug 2018 2137.3682307603144 0.18 3.83
Sep 2018 2149.9647438638385 0.59 4.03
Oct 2018 2161.0244189168643 0.51 3.96
Nov 2018 2173.007600378 0.56 4.09
Dec 2018 2181.735784849981 0.40 4.26
Jan 2019 2184.885131990621 0.14 4.12
Feb 2019 2189.7262760693893 0.22 4.14
Mar 2019 2193.7796386314267 0.19 4.07
Apr 2019 2197.6914385193995 0.18 3.92
May 2019 2207.2533756278067 0.44 4.01
Jun 2019 2214.151200301708 0.31 4.14
Jul 2019 2222.489298400645 0.38 4.17
Aug 2019 2228.0734676623856 0.25 4.24
Sep 2019 2230.9377741450903 0.13 3.77
Oct 2019 2233.392212917004 0.11 3.35
Nov 2019 2234.960639231155 0.07 2.85
Dec 2019 2240.1781001255085 0.23 2.68
Jan 2020 2247.6963598955244 0.34 2.88
Feb 2020 2254.370901884493 0.30 2.95
Mar 2020 2261.7945486439453 0.33 3.10
Apr 2020 2258.9309759267703 -0.13 2.79
May 2020 2260.3274908242547 0.06 2.40
Jun 2020 2255.3455921614673 -0.22 1.86
Jul 2020 2259.1666041286253 0.17 1.65
Aug 2020 2257.8858830857616 -0.06 1.34
Sep 2020 2267.413104851006 0.42 1.64
Oct 2020 2275.5955267152835 0.36 1.89
Nov 2020 2287.746347785076 0.53 2.36
Dec 2020 2295.438705502307 0.34 2.47
Jan 2021 2300.6531439373907 0.23 2.36
Feb 2021 2305.7294079660755 0.22 2.28
Mar 2021 2315.7226516705637 0.43 2.38
Apr 2021 2326.1724623252444 0.45 2.98
May 2021 2341.7454297724926 0.67 3.60
Jun 2021 2356.626495096427 0.64 4.49
Jul 2021 2371.3192266787755 0.62 4.96
Aug 2021 2393.0211047914922 0.92 5.99
Sep 2021 2409.1052174273855 0.67 6.25
Oct 2021 2427.542381954995 0.77 6.68
Nov 2021 2439.1328541146263 0.48 6.62
Dec 2021 2453.9483200793848 0.61 6.91
Jan 2022 2466.569382634877 0.51 7.21
Feb 2022 2477.5375875040336 0.45 7.45
Mar 2022 2486.432507796275 0.36 7.37
Apr 2022 2502.209598527536 0.64 7.57
May 2022 2510.7012222690296 0.34 7.22
Jun 2022 2530.7506575838465 0.80 7.39
Jul 2022 2538.496220659724 0.31 7.05
Aug 2022 2546.3580890189005 0.31 6.41
Sep 2022 2541.0512842079866 -0.21 5.48
Oct 2022 2537.5103368914893 -0.14 4.53
Nov 2022 2538.7357433444727 0.05 4.08
Dec 2022 2536.562176513277 -0.09 3.37
Jan 2023 2535.8499162423504 -0.03 2.81
Feb 2023 2537.0569876319723 0.05 2.40
Mar 2023 2542.737127565167 0.22 2.26
Apr 2023 2540.607724412565 -0.08 1.54
May 2023 2537.266225438784 -0.13 1.06
Jun 2023 2528.662588484643 -0.34 -0.08
Jul 2023 2535.850728410243 0.28 -0.10
Aug 2023 2542.4256873716017 0.26 -0.15
Sep 2023 2556.067958537446 0.54 0.59
Oct 2023 2560.6147970686175 0.18 0.91
Nov 2023 2564.308310824956 0.14 1.01
Dec 2023 2571.4210911308514 0.28 1.37
Jan 2024 2585.2318218074797 0.54 1.95
Feb 2024 2594.481337658966 0.36 2.26
Mar 2024 2600.5003578959568 0.23 2.27
Apr 2024 2605.060513796036 0.18 2.54
May 2024 2612.280430602882 0.28 2.96
Jun 2024 2619.5166204887273 0.28 3.59
Jul 2024 2623.1892363713105 0.14 3.44
Aug 2024 2625.8860346928514 0.10 3.28
Sep 2024 2629.9141048439933 0.15 2.89
Oct 2024 2637.544315897328 0.29 3.00
Nov 2024 2652.1893605991268 0.56 3.43
Dec 2024 2657.626776750124 0.21 3.35
Jan 2025 2657.129854304906 -0.02 2.78
Feb 2025 2651.1932403006062 -0.22 2.19
Mar 2025 2654.799651050169 0.14 2.09
Apr 2025 2661.844107702897 0.27 2.18
May 2025 2668.88187135388 0.26 2.17
Jun 2025 2676.3111207094325 0.28 2.17
Jul 2025 2681.4215218071504 0.19 2.22
Aug 2025 2687.493280292793 0.23 2.35
Sep 2025 2692.045156423659 0.17 2.36
Oct 2025 2698.0604207454644 0.22 2.29
Nov 2025 2698.6470809169064 0.02 1.75
Dec 2025 2705.5029106256516 0.25 1.80
Jan 2026 2713.7578376644956 0.31 2.13
Feb 2026 2728.4753806783915 0.54 2.92