St. Louis County Department of Transportation & Public Works
Official building department contact workstation for St. Louis County, Missouri. Phone lines, online plan submittal portals, and physical office address.
🏛️ Office Address & Contact
⏱️ SLA & Plan Review Specifications
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Navigating Submittals & Plan Check Reviews at St. Louis County Department of Transportation & Public Works
The St. Louis County Department of Transportation & Public Works serves as the primary municipal Authority Having Jurisdiction (AHJ) for structural, electrical, plumbing, and mechanical code compliance across St. Louis County, Missouri. The department oversees plan review intake, issues official building permits, and conducts mandatory field inspections for all residential and commercial construction under St. Louis County Building Code Ordinance.
To avoid submittal rejections or intake delays, contractors and architects submitting plans to St. Louis County Department of Transportation & Public Works must ensure that all submittals comply with enforced code standards (2021 IBC with St. Louis County local amendments.) and include all required PE/RA engineering stamps, site utilities details, and contractor license filings.
St. Louis County Department of Transportation & Public Works utilizes electronic plan review (EPR) portals for digital submittal of vector PDF plan sets, structural engineering calculations, and COMcheck energy compliance reports. Ensure all sheets are unlocked and oriented correctly prior to uploading.
Field inspections must be scheduled at least 24 hours in advance by contacting the automated inspection hotline at (314) 615-5184 or through the online portal. Approved job-site plans and permit inspection cards must be physically posted on-site at all times.