Radon Testing: $100 per Test Kit (can be added to any home inspection per the request of the client). Single Family Home up to 1499 sq. ft. $400 1500-1999 sq. ft. $450 2000-2499 sq. ft. $500 2500-2999 sq. ft. $550 3000-3499 sq. ft. $600 3500-3999 sq. ft. $650 4000-4499 sq. ft $700 4500 sq. ft. and above…….Call for price Sample Inspection Download Sample Inpection