Get the complete San Jose ADU checklist for 2026. From zoning rules to final inspection, we break down every requirement in simple, step-by-
Planning to build an ADU in San Jose? This complete 2026 San Jose ADU checklist covers zoning rules, permit requirements, setbacks, fire safety regulations, feasibility studies, JADU guidelines, inspections, and approval steps. Learn everything homeowners need to know before starting an ADU project and avoid costly permit delays with this detailed step-by-step guide. Perfect resource for homeowners, architects, designers, and real estate investors planning an Accessory Dwelling Unit in San Jose.









