Below you can find links to Modular Home Building Codes and Building Authorities for St. Louis County, Missouri.
Additional Resources
The Modular Homes Building Codes and AHJ’s listed below apply to unincorporated areas of St. Louis County and to certain municipalities who contract with the St. Louis Department of Public Works. For a list of cities contracting with the county, visit St. Louis County’s Municipal Contract Matrix page.
St. Louis County Missouri Modular Homes Building Codes
Code Type |
Code Model |
Amendment Contact |
Building/Dwelling Code |
2003 IBC, IRC, and International Existing Building Code |
(314) 615-5184 |
Structural Code |
2003 IBC, IRC, and International Existing Building Code |
(314) 615-5184 |
Plumbing Code |
UPC 2003 |
(314) 615-5184 |
Mechanical Code |
IMC 2003 |
(314) 615-5184 |
Electrical Code |
2005 NEC |
(314) 615-5184 |
Energy Code |
IECC 2003 (2003 IBC) |
Ordinance #20311; St. Louis County Public Works, (314) 615-5184 |
Missouri Building Authorities (BA)
Building Authorities are those government officials who are the final authority on questions in a particular area (or jurisdiction).
Functional Area |
Contact |
Structural |
Dept. of Public Works
Phone: (314) 615-5184 | Plumbing |
Dept. of Public Works
Phone: (314) 615-5184 | Mechanical |
Dept. of Public Works
Phone: (314) 615-5184 | Electrical |
Dept. of Public Works
Phone: (314) 615-5184 | Accessibility |
Dept. of Public Works
Phone: (314) 615-5184 | Zoning |
Dept. of Public Works
Phone: (314) 615-5184 |
Other Missouri Municipalities
Modular Home Building Codes are also available for the following municipalities within Missouri:
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