Top 10 Most Active Counties in California

Counties in California with the most active listings for September 2026. Source: Realtor.com.

#1

Los Angeles County, CA

20,392 active listings · $1,432,300 median

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#2

Riverside County, CA

9,600 active listings · $654,115 median

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#3

San Bernardino County, CA

8,010 active listings · $561,855 median

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#4

San Diego County, CA

8,004 active listings · $1,170,096 median

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#5

Orange County, CA

6,330 active listings · $1,739,124 median

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#6

Sacramento County, CA

3,820 active listings · $557,464 median

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#7

Kern County, CA

3,255 active listings · $395,406 median

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#8

Contra Costa County, CA

2,884 active listings · $933,858 median

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#9

Santa Clara County, CA

2,811 active listings · $1,677,954 median

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#10

Alameda County, CA

2,763 active listings · $996,867 median

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