City of Frontenac Adopted Codes

  • 2018 International Building Code
  • 2018 International Residential Code
  • 2018 International Mechanical Code
  • 2018 International Fuel Gas Code
  • 2018 International Plumbing Code
  • 2017 National Electrical Code
  • 2018 International Fire Code

Permits and inspections are required for all new permanent structures and on major remodels which include changing the outside dimensions of a permanent structure, or major changes to the plumbing, electrical or mechanical systems. Fences and temporary structures typically do not require inspection or permitting but are still required to meet requirements for lot lines and easements. Non-typical construction may require permitting. The owner or contractor is responsible for meeting all applicable codes, as well as setback and zoning requirements. Any questions should be directed to City Hall at 231-9210.

Building Permit Application

Upon application for a building permit, the owner or contractor will meet with our staff to determine the extent of the project, and the number of inspections required. To simplify the process, inspection fees are included in the cost of the building permit according to the following fee schedule:

$1.00 – $1,00
$1,001 – $5,000
$5,001 – $25,000
$25,001 – $100,000
$100,001 – $250,000
$250,001 – $500,000
$500,001 – $1,000,000
$1,000,001 and up
No Fee
$500.00 for the first $500,000 plus $1.80 for each additional $1,000 or fraction thereof, to and including $1,000,000
$1,400.00 for the first $1,000,000 plus $1.20 for each additional $1,000 or fraction thereof

Anyone conducting business in Frontenac; contractors, builders, or sub-contractors; whether they are the primary permit holder or not, are required to have a current Frontenac Business License and Insurance.

Business license applications are available at City Hall or by clicking the following link:


Fees are as follows:

General License: $45.00/year

Agent, peddler, solicitor: $100.00

Gas and Oil Wholesale per truck: $45.00/year

Mobile Home Park per space: $5.00/year

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