ADU builders serving San Diego County

Find your community in San Diego County

Explore the existing local service pages for Escondido, San Marcos, and Vista. Kingstone Building starts each project by understanding the intended use, timing, and existing property.

The service pages describe residential construction in the communities below. They do not establish a physical office or determine permit eligibility.

• Escondido
• San Marcos
• Vista
• Carlsbad
• Oceanside
• Encinitas
• Solana Beach
• Del Mar
• Poway
• Rancho Bernardo
• Rancho Peñasquitos
• Rancho Santa Fe
• Carmel Valley
• Scripps Ranch
• Torrey Hills
• 4S Ranch

Choose the relevant next step

Explore detached ADUs and garage conversions, then read our process. Location, access, utilities, existing conditions, and project type all influence what needs review.

For a San Diego County community or a property outside these listed areas, share your location and project so Kingstone Building can review the fit.