An ADU is a small build with full-size decisions—site, utilities, comfort, and long-term use all matter. Before sketches get serious, map constraints: access for crews, utility tie-ins, drainage, and how the unit will sit for sunlight and privacy. These factors often drive cost more than square footage. Weekly check-ins, written selections, and a disciplined change-order process keep momentum without constant surprises. If you’re comparing approaches, weigh detached vs. garage conversion vs. basement unit based on site access, utility distance, and how much disruption you can tolerate. For a clear overview and a sensible starting checklist, see: <a href=https://molinoolavarria.com/2025/08/01/home-repair-renovation-maintenance-services-44/>accessory dwelling unit</a>. If you’re collecting bids, ask for a written scope with exclusions listed—this prevents misunderstandings later. Keep a short list of non-negotiables so decisions stay consistent as options multiply. Good plans reduce rework; rework is where budgets quietly leak. Good plans reduce rework; rework is where budgets quietly leak. When in doubt, simplify—fewer custom details often means faster progress and cleaner results. 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.