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Building Department

Building Codes, Permitting, and Inspections

Contact Information

400 E Locust
Room 006
Union, MO 63084

(636) 583-6384 

Email us: building@franklinmo.gov

Office Hours

Monday-Friday
8:00 am - 4:30 pm

BUILDING CODES IN EFFECT AS OF APRIL 23, 2024

  • International Building Code / 2021

  • International Residential Code / 2021

  • International Mechanical Code / 2021

  • International Plumbing Code / 2021

  • International Fire Code / 2021

  • ICC Electric Code / 2021

  • National Electric Code /2020 

  • Swimming Pool & Spa Code “ISPSC” / 2021

 

  • The County of Franklin On-Site Sewage Disposal Systems Ordinance and Regulations (Adopted and Amended on November 27, 2007 and Effective Date January 1, 2008).

  • Planning & Zoning Department:

  • Franklin County Flood Damage Prevention Ordinance

  • Unified Land-Use Regulations of Franklin County

 

CODE AMENDMENTS TAKING EFFECT 04/23/2024

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COUNTY OF FRANKLIN ON-SITE SEWAGE ORDINANCE AND REGULATIONS
RESIDENTIAL PERMITS

 

 

Forms to complete and submit:

  

Lists below assist with obtaining your proposed septic installation information to submit with permit application: 

SEWER PERMITS AND INFORMATION


If you are planning to use a Septic System, click the link below for a permit application.

Sewer Permit Application (On-Site Individual Wastewater Treatment Facility Application)

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Important Information for Homeowners and Contractors

Please read this important information here.

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Inspection Guidelines Booklet For Residential 1 & 2 Family Dwellings

Booklet containing useful information regarding inspections during the construction process. Includes diagrams as well as a copy of the inspection checklist used by our inspectors at the site. These checklists are guidelines for inspection purposes.  Booklet price is $4.00 if purchasing a hard copy.

 

Or you may obtain and print a copy by clicking the following link:

 

INSPECTION GUIDELINES BOOK 1 & 2 FAMILY DWELLINGS

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Inspection Guidelines Booklet For Manufactured Homes

Booklet containing useful information regarding inspections during the construction process. Includes diagrams as well as a copy of the inspection checklist used by our inspectors at the site. These checklists are a guideline for inspection purposes. A detailed drawing of a typical footing and foundation is shown as well as information on the installation of the electric service, drainpipe support methods and landing and stair detail for decks on manufactured homes.  Booklet price is $4.00 if purchasing a hard copy. 

 

Or you may obtain and print a copy by clicking the following link:

 

Inspection Guidelines MANUFACTURED HOMES

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Inspection Procedure Information

Inspections must be scheduled by 3:00 pm the working day before you need the inspection. Inspections called in after 3:00 pm is scheduled two days out. At times due to circumstances beyond our control, your inspection may be delayed but this is rare.


Times (meaning a.m., noonish or p.m.) will not be given for any inspections other than the following types of inspections:

  • Footings

  • Foundations

  • Septic Rough

  • Or electric reconnects only.

All other inspections must be ready on the day they are scheduled for.


To schedule an inspection, please call 636-583-6384. We do not take inspections by email. You will need to have the permit number, the property owner’s name and type of inspection requested.

Permit Fees

Note: Permit Fees and Escrow Fees must be paid separately in two separate transactions. There will be no exceptions.

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Flat fee schedule can be found here.  All other permit fees not listed are calculated at the end of the permit processing. Once the permit is approved and ready to be issued, you will be notified of the calculated permit fee and the escrow fee.  The Issued Date is considered the date the permit and escrow fees are paid.

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ESCROW FEES

Most permits will have an escrow fee in addition to the application and permit fees.  Escrow fees are taken with a separate check and is deposited.  Escrow fees are refundable so long as a passing final inspection is obtained prior to the permit's expiration date. 

 

  • $350 for One and Two Family Dwellings including any type of manufactured housing not located in a Mobile Home Park or a Manufactured Housing Park facility as defined in the Franklin County Unified Land Use Regulations.   $500.00 escrow for permits with a permit fee cost of $1500.00 and above.                                                                                                                           

  • $1000.00 for all Commercial and Industrial structures.

  • $200.00 for ALL other structures.

  • $200.00 for Sewer Permits.

​WITNESS REPORTS

Anyone witnessing a potential violation of adopted building codes may file a complaint by completing a Witness Report.  Our office is not able to accept anonymous complaints.  Please click link below to download and print the Witness Report Form.  This form must be signed and notarized.

 

Witness Report Form

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