Prefab ADUs Cost 15-30% Less Than Site-Built in 2025
Prefab ADUs average $240,000, compared to $320,000 for site-built equivalents, delivering 15-30% cost savings alongside quicker timelines and reliable budgeting. Site-built options enable superior customization and enhanced resale potential. Homeowners benefit from evaluating labor, permits, and site conditions to align choices with financial, aesthetic, and investment objectives.
Rod KerbyOctober 18, 2025