What are the Commercial Mechanical & HVAC permit rules in Indiana?

Indiana enforces trade permit fee schedules determined by local AHJ building departments per county. General contractors and sub-trades must maintain active state licenses and bond filings ($10,000–$50,000).

Are sub-trade contractor surety bonds required in Indiana?

Yes. Most Indiana municipal building departments require trade contractors to file an active license bond prior to permit issuance.

❄️ STATEWIDE TRADE HUB (IN) 1 County Workstations

Indiana Commercial Mechanical & HVAC Permit Guide

HVAC tonnage rates, ductwork submittals, rooftop replacements, and COMcheck forms. Compare municipal fee structures, plan check add-on rates, and contractor bond thresholds across Indiana.

Indiana Commercial Mechanical & HVAC County Workstations

Select a county building department to calculate exact trade permit fees & bond rules

Marion County

City of Indianapolis Department of Business & Neighborhood Services

2026 Verified

Plan Review Rate: 40%

Tech Surcharge: 4%

Mandatory Surety Bond: $10,000

Open Marion County Commercial Mechanical & HVAC Workstation →