Nursing home star ratings in California, by county

Medicare's overall star ratings of California nursing homes by county: number of homes, average rating, and how many hold 5 stars or 1 star.

Rated homes statewide: 1,154. Average overall rating: 3.2 of 5.

★★★★★ 280★★★★★ 250★★★★★ 235★★★★★ 210★★★★★ 179

Medicare rates every nursing home from 1 to 5 stars. 5 is much above average, 1 is much below.

By county

CountyHomesAverage overall rating5 stars1 star
Alameda693.9314
Amador11.001
Butte92.314
Calaveras12.000
Colusa24.510
Contra Costa303.771
Del Norte11.001
El Dorado44.210
Fresno313.273
Glenn15.010
Humboldt52.600
Imperial32.701
Inyo23.000
Kern171.808
Kings33.700
Lake32.700
Lassen12.000
Los Angeles3692.545103
Madera52.602
Marin113.001
Mariposa12.000
Mendocino43.511
Merced103.730
Modoc23.500
Monterey143.950
Napa63.022
Nevada54.010
Orange723.089
Placer104.160
Plumas33.000
Riverside543.3127
Sacramento373.474
San Benito14.000
San Bernardino553.9172
San Diego834.0331
San Francisco184.2121
San Joaquin242.925
San Luis Obispo75.070
San Mateo143.663
Santa Barbara144.4100
Santa Clara503.5165
Santa Cruz73.410
Shasta103.840
Siskiyou12.000
Solano93.610
Sonoma183.693
Stanislaus172.943
Sutter43.820
Tehama22.501
Trinity13.000
Tulare163.112
Tuolumne23.011
Ventura194.4120
Yolo64.020
Yuba15.010

Source: CMS Provider Data (Medicare Care Compare), data dated Oct 1, 2026. Figures are copied from the federal files without changes. Sources & method