dude, it almost looks like a brown recluse, which is very dangerous, but they don’t exist in California…supposedly…here’s some more info I found on another website..
”Ubiquitous Brown Spiders
Virtually every spider that is tan or brown has been turned in as a potential brown recluse. There are hundreds of species of these spiders in California. They include ground spiders (Gnaphosidae), sac spiders (Cheiracanthium spp., Trachelas spp.), wolf spiders (Lycosidae), grass spiders (Agelenidae), orb weavers (Araneidae), and male crevice spiders (Filistatidae). More specifically, males of both the western black widow (Latrodectus hesperus) and the false black widow (Steatoda grossa) are frequently brought in for recluse verification. One of the most common submissions as brown recluses are spiders in the genus Titiotus, which are found just north of Los Angeles, through central California to Redding and are commonly found in redwood forests. Titiotus spiders have a hair pattern that gives the impression of a violin and its coloration is similar to that of a brown recluse. All of these brown spiders have eight eyes and can quickly be eliminated from consideration.” quote