National Property Inspections Iowa City is the first name in home and commercial property inspections. To be an NPI inspector requires rigorous, professional training on identifying the condition of hundreds of a home’s most vital systems. The NPI goal is simple--to give you the information you need when you need it, so you can make the right decision with your investment. Whether you’re buying your family’s first home or renting a commercial building for your growing business, NPI Iowa City gives you peace of mind.