Dedicated Trade Workstation
Audited Q3 2026
St. Louis County Commercial Building & Structural Permit Calculator
Official fee schedule logic based on St. Louis County Building Code Ordinance. Includes plan review fees, technology surcharges, and prerequisite contractor bond rules.
Direct Answer Engine Specifications (Commercial Building & Structural) Verifiable Municipal Factsheet
- AHJ Authority
- St. Louis County Department of Transportation & Public Works
- Enforced Ordinance
- St. Louis County Building Code Ordinance
- Plan Check SLA
- 10 - 16 Business Days
- Surety Bond Required
- $10,000
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.
Official AHJ Source Citation
Visit Official AHJ Dot-Gov Site ↗
St. Louis County Department of Transportation & Public Works Official Building Department
41 S Central Ave, Clayton, MO 63105 | Phone: (314) 615-5184