City of Trenton, Ohio



Permit applications are available online or in the Civic Hall, 11 East State Street in Trenton.

The City of Trenton has contracted with National Inspection Corporation to provide building department services, including building plan reviews, residential and commercial inspections, HVAC service, and electrical service.

Please note, all building department correspondence (permit applications, plans, fees and all zoning department correspondence) must be submitted to the City of Trenton.

Questions regarding permitting requirements, fees, or similar topics should be directed to the City of Trenton at 513-988-6304 ext. 150.

Questions regarding the building code or to schedule inspections should be directed to NIC at 888-433-4642. NIC Inspectors will be available by telephone to respond to queries between 8:00 am and 5:00 pm, Monday through Friday.

The Butler County Health Department handles all plumbing permits within the city. The BCHD is located at 301 South Third Street in Hamilton and can be reached at 513-863-1770.


Common Ordinances

You can click below to view the most common building permit related ordinances.