ADU Guides for Homeowners

Browse practical guides covering feasibility, local regulations, costs, financing, design decisions, permits, contractor selection, construction, and long-term use of an accessory dwelling unit.

Core guide topics

• Property feasibility
• ADU regulations and zoning
• Cost planning and financing
• Detached, attached, and conversion ADUs
• Design and accessibility
• Permits and approvals
• Contractor bids and construction
• Rental, family, and aging-in-place use cases

As the library grows, guides will be organized by planning stage and linked to relevant calculators, checklists, and official sources.