Wayne County Commercial Kitchen & Grease Interceptor Permit Calculator
Official fee schedule logic based on Detroit City Code Chapter 8. Includes plan review fees, technology surcharges, and prerequisite contractor bond rules.
- AHJ Authority
- City of Detroit Buildings, Safety Engineering & Environmental Dept
- Enforced Ordinance
- Detroit City Code Chapter 8
- Plan Check SLA
- 12 - 18 Business Days
- Surety Bond Required
- $15,000
Wayne County Commercial Permit Fee Estimator
Tier Valuation Formula: $1,665 base fee + $3.80 per $1,000 above $250,000 valuation.
Mandatory Contractor Prerequisites & Submittal Checklist
Wayne County AHJ RequirementsContractor Surety License Bond
Wayne County requires an active $15,000 Michigan License Bond on file prior to plan submittal.
Commercial COI Liability ($1M+)
Minimum $1.0M General Liability COI naming Wayne County Building Dept as Certificate Holder.
Commercial Kitchen & Grease Interceptor Submittal Rules in Wayne County
Specialized trade submittals for Commercial Kitchen & Grease Interceptor in Wayne County, Michigan are administered by City of Detroit Buildings, Safety Engineering & Environmental Dept. Permits are required prior to installing, extending, replacing, or altering any mechanical, electrical, plumbing, structural, or life-safety infrastructure under Detroit City Code Chapter 8.
Intake review for Commercial Kitchen & Grease Interceptor requires verified trade licensing, minimum contractor general liability COI filings ($1,000,000+), and compliance with enforced regional code editions (2021 Michigan Building Code.).
Mandatory Submittal Plan Documents & PE Engineering Stamps
Plans submitted to City of Detroit Buildings, Safety Engineering & Environmental Dept for Commercial Kitchen & Grease Interceptor must include scaled engineering drawings and specifications:
- Food Service Grease Interceptor Calculations
- County Health Dept Clearance
Inspection Sequence for Commercial Kitchen & Grease Interceptor
Work performed under a Commercial Kitchen & Grease Interceptor permit in Wayne County requires mandatory rough-in and final field inspections. Rough-in inspections must be conducted and signed off by the municipal inspector prior to covering or concealing any piping, ductwork, structural framing, or electrical conductors. Final inspection and system testing are required for building certificate of completion issuance.
City of Detroit Buildings, Safety Engineering & Environmental Dept Official Building Department
2 Woodward Ave, Detroit, MI 48226 | Phone: (313) 224-2733