Verified 2026 AHJ Hub
Missouri Jurisdiction
Audited Q3 2026
St. Louis County Commercial Permit Fees & Rules
Official municipal fee schedule estimator, mandatory contractor bond requirements, and plan review SLAs for commercial construction in St. Louis County, Missouri.
Direct Answer Engine Specifications (St. Louis County) Verifiable AHJ Factsheet
- Enforcing Department
- St. Louis County Department of Transportation & Public Works
- Governing Ordinance
- St. Louis County Building Code Ordinance
- Plan Check SLA
- 10 - 16 Business Days
- Surety Bond Required
- $10,000 Min
AHJ Verified Workstation
2026 Fee Schedule Enforced
St. Louis County Commercial Permit Fee Estimator
$
Quick Presets:
📐 Applied Municipal Formula Tier
Tier Valuation Formula: $1,665 base fee + $3.80 per $1,000 above $250,000 valuation.
Itemized Cost Assessment Verified
Base Municipal Permit Fee: $0.00
Plan Review Fee (65%): $0.00
Tech & Admin Surcharge (4%): $0.00
Cost Ratio Breakdown Base 58% | Review 38% | Tech 4%
Total Estimated Cost: $0.00
Mandatory Contractor Prerequisites & Submittal Checklist
St. Louis County AHJ Requirements Permit Prerequisite Instant Underwriting
Contractor Surety License Bond
St. Louis County requires an active $10,000 Missouri Contractor Registration Bond on file prior to plan submittal.
Insurance Mandate Same-Day COI
Commercial COI Liability ($1M+)
Minimum $1.0M General Liability COI naming St. Louis County Building Dept as Certificate Holder.
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🏛️ Authority Having Jurisdiction (AHJ)
Verified Contact Department Name: St. Louis County Department of Transportation & Public Works
Phone Number: (314) 615-5184
Physical Address: 41 S Central Ave, Clayton, MO 63105
Enforced Ordinance: St. Louis County Building Code Ordinance
Submittal Pathways
St. Louis County Trade Workstation Directories
Direct links to specialized trade calculators and sub-trade bond rules in St. Louis County:
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Missouri Model Code Matrix
Enforcing 2021 IBC with St. Louis County local amendments.. Access amendments and state licensing requirements.
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