When budgeting for an ADU construction service, homeowners should anticipate costs ranging from $162 to $682 per square foot. The average cost typically falls between $300 and $500 per square foot, influenced by factors such as location, materials, and design intricacies. Key expenses include site preparation, permits, and finish quality, which can significantly affect the overall price.
To make the most of your budget, it's crucial to pinpoint your priorities—whether you're looking for basic functionality or premium finishes. When hiring, ensure to account for additional costs like site work and utility connections, which can impact the final pricing.