H-1B filing by state

H-1B Filing & Petition in California — Bay Area & SoCal

California employers file H-1B petitions after DOL LCA certification for the correct MSA (Bay Area, LA, San Diego, etc.), then Form I-129 to USCIS. h1bfiling.com flat-fee petition preparation with lawyer review.

California dominates H-1B sponsorship with San Jose, San Francisco, Sunnyvale, and six more top-20 cities.

Silicon Valley and Southern California account for the densest H-1B markets in the United States. Prevailing wages are among the highest nationally — accurate LCA wage levels are critical for petition approval.

• Bay Area: San Jose, SF, Sunnyvale, Santa Clara, Mountain View, Cupertino
• San Diego — defense tech, biotech, wireless
• Level 3–4 prevailing wages common for senior engineering roles
• Multi-campus employers need LCAs per worksite

H-1B filing in California cities (FY 2026 Q2)

23,343 combined petitions across 7 top cities