San Diego Home & ADU Construction | OnePhase General Contractor
  • Home Construction /

San Diego Home Construction | OnePhase General Contractor

OnePhase delivers San Diego home construction with planning, permits, budgeting, and quality builds—new homes, remodels, and ADUs.
  • Home Construction /

San Diego Home Improvements | OnePhase General Contractor

Upgrade your San Diego home with OnePhase—renovations, additions, kitchens, baths, and ADU improvements with permit support and quality work.
San Diego ADU Construction
  • Home Construction /

San Diego Residential Construction | OnePhase General Contractor

OnePhase manages San Diego residential construction—new builds, additions, renovations, and ADUs with permit strategy, budgets, and quality control.
  • ADU Construction /
  • Home Construction /

San Diego ADU Construction | OnePhase General Contractor

Build your San Diego ADU with OnePhase—feasibility, permit-ready plans, budgeting, and full construction delivery for detached or garage conversion ADUs.