CardShopMap lists 34 basketball card shops in California. They are spread across 30 cities, including El Cajon (2), Garden Grove (2), and National City (2). Of those listings, 22 publish opening hours and 12 are tagged as buying cards. Beyond basketball, they also carry sports cards (32), football (30), and baseball (28).
The listings carrying the most detail are D&P Sports Cards at 5968 S Land Park Dr in Sacramento, True Sports Cards & Collectibles at 6661 Stanford Ranch Rd in Rocklin, and Ace Rare Collectibles at 8950 W Olympic Blvd Ste 356 in Beverly Hills.
Compare every card shop listed in California
Which California city has the most basketball card shops?
No single city leads: El Cajon, Garden Grove, National City, and Palm Desert each carry 2 listed shops.