Onboarding is a one-time fee for learning your home's systems (HVAC, appliances, plumbing, electrical, roof, irrigation, security, etc.) and building your custom Mason Home Portfolio. It's priced by home size: $750 under 4,000 sq. ft., $1,250 for 4,000–7,000 sq. ft., $1,750 for 7,000–10,000 sq. ft., and a custom quote starting at $2,500 for 10,000+ sq. ft. or complex estates.