| Karl Strauss Brewing Co - Anaheim | 2390 E Orangewood Ave Ste 100 | Anaheim | California | 92806-6141 | United States | brewpub | |
| Karl Strauss Brewing Co - Carlsbad | 5801 Armada Dr | Carlsbad | California | 92008-4609 | United States | brewpub | |
| Karl Strauss Brewing Co - Costa Mesa | 901 S Coast Dr Ste A | Costa Mesa | California | 92626-7790 | United States | brewpub | |
| Karl Strauss Brewing Co - Downtown | 1157 Columbia St | San Diego | California | 92101-3511 | United States | brewpub | |
| Karl Strauss Brewing Co - Downtown Los Angeles | 600 Wilshire Blvd Ste 100 | Los Angeles | California | 90017-3212 | United States | brewpub | |
| Karl Strauss Brewing Co - La Jolla | 1044 Wall St | La Jolla | California | 92037-4437 | United States | brewpub | |
| Karl Strauss Brewing Co - Sorrento Mesa | 9675 Scranton Rd | San Diego | California | 92121-1761 | United States | brewpub | |
| Karl Strauss Brewing Co - Universal CityWalk | 1000 Universal Studios Blvd | Universal City | California | 91608-1008 | United States | brewpub | |
| Kathrin's Biergarten | 4810 Granite Dr Ste 1A | Rocklin | California | 95677 | United States | brewpub | |
| Kaweah Brewing Co. | 1054 E Walnut Ave | Tulare | California | 93274 | United States | micro | |
| Kelsey Creek Brewing | 3945 Main St | Kelseyville | California | 95451-7424 | United States | micro | |
| Kern River Brewing Co | 13415 Sierra Way | Kernville | California | 93238-9714 | United States | brewpub | |
| Kilowatt Brewing | 7576 Clairemont Mesa Blvd | San Diego | California | 92111-1504 | United States | micro | |
| Kinetic Brewing Company | 735 W Lancaster Blvd | Lancaster | California | 93534-3118 | United States | brewpub | |
| King Cong Brewing Company | 1709 del Paso Blvd | Sacramento | California | 95815-3016 | United States | micro | |
| King Harbor Brewing Co | 2907 182nd St | Redondo Beach | California | 90278-3922 | United States | micro | |
| Kings Brewing Company | 8560 Vineyard Ave Ste 301 | Rancho Cucamonga | California | 91730-4395 | United States | micro | |
| Kings River Brewing Company | | Clovis | California | 93612-2825 | United States | planning | |
| Knee Deep Brewing Co | 13395 New Airport Rd Ste H | Auburn | California | 95602-7419 | United States | regional | |
| Knotty Brewing Co | 842 Market St | San Diego | California | 92101-6425 | United States | micro | |
| Kuracali Inc | 821 Caminito del Reposo | Carlsbad | California | 92011-2404 | United States | proprietor | |
| LA Bodega Brewing Co | | Whittier | California | 90603-1207 | United States | planning | |
| La Quinta Brewing Co | 74714 Technology Dr | Palm Desert | California | 92211 | United States | micro | |
| La Verne Brewing | 2125 Wright Ave Ste C15 | La Verne | California | 91750-5816 | United States | micro | |
| LAB Brewing Co / Twisted Oak Tavern | 30105 Agoura Rd | Agoura Hills | California | 91301-2003 | United States | brewpub | |
| Ladyface Ale Companie | 29281 Agoura Rd | Agoura Hills | California | 91301-2597 | United States | brewpub | |
| Laguna Beach Beer Co | 29851 Aventura | Rancho Santa Margarita | California | 92688-2014 | United States | micro | |
| Laguna Beach Brewery and Grille | 237 Ocean Ave | Laguna Beach | California | 92651-2106 | United States | brewpub | |
| Lagunitas Brewing Co | 1280 N McDowell Blvd | Petaluma | California | 94954-1113 | United States | large | |
| Lake Tahoe AleWorX | 2050 Lake Tahoe Blvd | South Lake Tahoe | California | 96150-6404 | United States | micro | |
| Lassen Ale Works @ The Pioneer Saloon | 724 Main St | Susanville | California | 96130-4372 | United States | brewpub | |
| Last Call Brewing Co | 944 Shepard Ct Ste C | Oakdale | California | 95361-7785 | United States | micro | |
| Last Name Brewing | 2120 Porterfield Way | Upland | California | 91786-2111 | United States | micro | |
| Latchkey Brewing Co | 1795 Hancock St Mission Brewery Plaza | San Diego | California | 92110-2006 | United States | micro | |
| Latitude 33 Brewing Co | 1430 Vantage Ct Ste 104 | Vista | California | 92081-8545 | United States | micro | |
| Laughing Monk Brewing | 1439 Egbert Ave Unit A | San Francisco | California | 94124-3221 | United States | micro | |
| Lawless Brewing | | Los Angeles | California | 90068-1436 | United States | planning | |
| Leashless Brewing | 585 E Thompson Blvd | Ventura | California | 93001-2826 | United States | micro | |
| Left Coast Brewing Co. | 1245 Puerta del Sol | San Clemente | California | 92673-6310 | United States | micro | |
| Left Coast Brewing Co. Tasting Room Smokehouse Distillery | 6652 Irvine Center Dr | Irvine | California | 92618 | United States | brewpub | |
| Legacy Brewing Company | 363 Airport Rd | Oceanside | California | 92058-1203 | United States | micro | |
| Legends Craft Brewery | 1301 S Lewis St | Anaheim | California | 92805-6431 | United States | micro | |
| Lengthwise Brewing Co | 7700 District Blvd | Bakersfield | California | 93313-4861 | United States | brewpub | |
| Liberation Brewing | 3630 Atlantic Ave | Long Beach | California | 90807 | United States | micro | |
| Libertine Brewing Company | 1234 Broad St | San Luis Obispo | California | 93401-3908 | United States | brewpub | |
| Lincoln Beer Company | 3083 N Lima St | Burbank | California | 91504-2013 | United States | micro | |
| Little Miss Brewing | 7949 Stromesa Ct Ste Y | San Diego | California | 92126-6338 | United States | micro | |
| Local Brewing Co | 69 Bluxome St | San Francisco | California | 94107-1605 | United States | micro | |
| Local Craft Beer, Tehachapi | 365 Enterprise Way Ste G | Tehachapi | California | 93561-1369 | United States | micro | |
| Lodi Beer Company | 105 S School St | Lodi | California | 95240-3509 | United States | brewpub | |