Rockford pairs a well-preserved historic downtown on the Rogue River with a great deal of newer development spreading out around it, and the two ends of that range need quite different attention.
The older housing near the river and the town center carries the questions any century-old Michigan home carries: wiring that has been extended across several eras, plumbing of mixed vintage, foundations that are block or stone rather than poured, and roofs that have been layered rather than replaced. River proximity adds water table considerations, and in lower-lying Rockford properties we look hard at sump pump condition, discharge routing and the physical evidence on foundation walls of how high water has previously reached.
The newer subdivisions are a different exercise. There we are looking for the things that get missed when a house goes up quickly: attic insulation that thins at the perimeter, duct joints never sealed, unsealed top-plate penetrations, and bath fans that terminate in the attic rather than outside. In a climate with this much winter, venting moist air into an attic is a genuinely consequential mistake.
Rockford is in Kent County, EPA Radon Zone 2, with a predicted average indoor screening level between 2 and 4 pCi/L. Testing is a sensible part of any inspection here.

We have conducted over 30 home inspections in Rockford, Michigan, and here are some of the things we have commonly found.
Roofs: In Rockford, roughly 10% of the homes we inspected had gutters and chimney caps.
Plumbing: Under 10% of homes we inspected in Rockford still had galvanized plumbing.
Electrical: We noticed that about 10% of the homes we inspected in Rockford had updated electrical boxes. Less than 10% of homes in Rockford had knob and tube wiring.
Foundation: Less than 10% of homes inspected in Rockford had structural, foundation, or asbestos concerns.