A Rockford mailing address does not prove which office handles your building permit. Use this local guide to separate City of Rockford, Cannon Township, Plainfield Charter Township, and Courtland Township before you submit forms, hire trades, or schedule inspections.
These entries are drawn from HouseTom's owner-builder jurisdiction resolver and source-checked against the public municipal pages listed on each card. Treat them as a starting map, then confirm with the office before submitting anything.
City page points building-permit applicants to the PCI Rockford office. Use this path only when the parcel is inside City of Rockford limits.
Cannon posts building and trade permit forms through IMS, while township office forms still matter for zoning, driveway, storm-water, sewer, and private-road steps.
Plainfield's building-services page sends permit applications and inspection scheduling through Cascade Township's shared inspection system.
Courtland requires the township zoning permit to be submitted with the IMS building application; the mailing city alone is not enough.