I'm not up on my California geography, but the following is an abridged list taken from (ALL HAIL) Bob Gollihur's luthier directory ( www.urbbob.com
) with the luthiers in San Francisco and San Jose removed (I do know at least that much). Hope this helps.
CA, Berkeley, Ifshin Violins, (510) 843-5466 ifshinviolins.com
Repairs, restorations, accessories
CA, Fresno, Stephen Bridgham, (559) 432-9071, firstname.lastname@example.org
CA, Glendale, Thomas Metzler Violin Shop, 818-246-0278, 818-246-8697 fax
Basses and bows, repairs, rentals, discounted accessories
CA, Long Beach, World of Strings, 562-599-3913
Repairs, restoration, basses and accessories
CA, Los Angeles, Lisa J. Gass, Los Angeles Bass Works, 323-953-5122
Repairs, restoration, new basses
CA, Oakland, Michael Olivola & Hannah Mayne, The Bass House, 510.382.0620 email@example.com
Services basses, sales of parts and accessories, restorations, builds basses
CA, Palo Alto, Lawrence Haussler, Palo Alto Violins, 650-327-8465
Services all stringed instruments, sells new and used, builds violins.
CA, Petaluma, Bruce Sexauer, luthier, (707)782-1044 firstname.lastname@example.org
Repairs, maintenance, custom parts, and sales of new and used basses and bows; builds guitars and violins.
CA, Winters, Keith Cary Stringed Intrument Repair, 530-795-3173, email@example.com
Repairs, used instruments, and accessories