prefab adu 

A prefab ADU can feel like a shortcut, but the site still decides timeline and cost. The unit is only part of the project. You still need foundation, utility hookups, drainage, access for delivery or crane placement, and permit approval—this is where surprises usually live. Small upgrades like better insulation, air sealing, and right-sized HVAC can deliver comfort you notice every day, not just on paper. Ask for a site-responsibility checklist and price those line items: trenching distance, panel upgrades, water/sewer connection, and final grading. To ground your decision in real steps and costs, use prefab accessory dwelling units. Keep a short list of non-negotiables so decisions stay consistent as options multiply. Keep a short list of non-negotiables so decisions stay consistent as options multiply. If you’re collecting bids, ask for a written scope with exclusions listed—this prevents misunderstandings later. If you’re collecting bids, ask for a written scope with exclusions listed—this prevents misunderstandings later. Good plans reduce rework; rework is where budgets quietly leak. Keep a short list of non-negotiables so decisions stay consistent as options multiply. Keep a short list of non-negotiables so decisions stay consistent as options multiply.