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Building Department

Issues permits and inspects new construction of structures within unincorporated Franklin County to establish minimum requirements to safeguard the public safety, health and general welfare per adopted code.

Construction Site
Construction Worker
Construction Worker

Building Codes

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

  • National Electric Code

  • Building Code

  • Fire Code

  • Residential One- and Two-Family Dwelling Code

  • Plumbing Code

  • Swimming Pool Code

  • Mechanical Code 

Building Plans

Ask us About

Contact us to get a copy of the following information.

Contact Information

400 E Locust
Room 006
Union, MO 63084

(636) 583-6384 

building@franklinmo.gov

Inspection Guidelines

Contact us for a copy of the inspection guidelines.

Fees

Contact us for list of our fees.

Witness Reports

See a violation?  Contact and share the information with us.

Codes

For copies of Code Amendments, please contact us.

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