Homes for Sale in Onyx, CA

4 homes for sale · Updated November 9, 2026

Market snapshot for Onyx, CA

Median price
$502,500
Average price
$446,250
Highest price
$580,000
Avg price / sqft
$289/sqft
Avg home size
1,927 sqft
Avg days on market
175
Avg year built
1987
Avg beds / baths
3.3 bd / 2.5 ba

All homes for sale in Onyx