Osta operates across four major Southern California regions: Los Angeles, Orange County, San Diego, and the Inland Empire. Each region is served by fully licensed, locally-based professionals who understand regional building codes, permit requirements, and utility coordination processes specific to your area.
Coverage includes:
Los Angeles: City of Los Angeles and surrounding municipalities throughout LA County
Orange County: From coastal communities to inland cities, serving Irvine, Newport Beach, Anaheim, Santa Ana, Huntington Beach, and surrounding areas
San Diego: North County communities including Oceanside, Carlsbad, Del Mar, Encinitas, and expanding coverage
Inland Empire: Riverside and San Bernardino counties, including Ontario, Rancho Cucamonga, Corona, and Temecula
and more coming soon....
Every region maintains dedicated teams with established relationships with local building departments and utility companies, enabling faster permit processing and inspection scheduling. When you work with Osta, you work with professionals who know your jurisdiction's specific requirements and can navigate local processes efficiently.
Our regional model ensures same-day diagnostic availability across all service areas, with consistent quality standards maintained through centralized training, quality assurance protocols, and uniform pricing structures.