Permitting Authorities / Missouri / City of St. John - Public Works Department, Building Inspections

Do you need a permit to replace a roof in St. John, MO?

Adopted code

City of St. John - Public Works Department, Building Inspections

The Building Inspector of the Public Works Department issues building permits in the City of St. John, Missouri (St. Louis County), from 8944 St. Charles Rock Road, Suite 100. The City says it has adopted the 2012 International Residential Code for residential construction. This listing covers the office's contact details and the local sales tax rate, and the code facts quoted below; it does not cover every local permit rule.

Jurisdiction
City of St. John, Missouri
Jurisdiction type
city
Address
8944 St. Charles Rock Road, Suite 100, St. John, MO 63114
Contact
  • url: https://www.cityofstjohn.org/departments/building-inspections/
  • phone: 314-427-8700
Permit process note
The City's Permits page states: "putting on an overlay of shingles on the roof, or an overlay of asphalt on an existing driveway does not require a permit. However, if you have to remove and replace roof decking, or if you are adding onto your driveway a permit would be required. If in doubt, contact the Building Inspector." The Building Inspections page states that the City "has contracted with St. Louis County to provide plan review, permitting, and inspection of all electrical, mechanical, and plumbing construction and renovation."
Adopted code
The City's Building Inspections page states: "For Any Residential Construction, the City has adopted the International Code Council's (ICC) 2012 International Residential Code (IRC)." For commercial construction it names the 2003 International Building Code.
Sales & use tax
St. John's combined sales tax rate is 9.988% (use tax 5.475%), jurisdiction code 64514-189-000, per the Missouri Department of Revenue's Jurisdiction and Total Rate Database for the fourth quarter of 2026. The same table lists 1 smaller rate area inside the city where special taxing districts (community improvement and fire protection districts among them) add tax, at a combined sales rate of 10.988%. Missouri's own state rate is 4.225%; the rest is local. For a re-roof, 12 CSR 10-112.010(1) provides that "a contractor is the final user and consumer of the materials and supplies used and consumed in fulfilling a construction contract and which become part of a completed real property improvement," so the roofer pays tax when it buys the materials. Under 12 CSR 10-112.010(2)(A), "In general, title passes after installation is complete," and where title passes after attachment the contractor "does not collect tax on its transfer of ownership or title of the item."

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