Building Commission
Building & Code Enforcement
The Building Commissioner performs plan reviews and inspections on new residential and commercial properties. Building Permits are required for any new home, as well as for decks, sheds, pools, basement finishes, additions and major alterations. Commercial permits are required for any new commercial project including alterations or additions.
The City of Foristell has adopted the 2021 International Codes (2021 ICC)
and The 2020 National Electrical Code (2020 NEC)
Melvin H. Mohn Jr.
Building Commissioner
(636) 463-2123
ext. 102
A building permit application must include the following:
- Site plan:
- Building lines
- Proposed building location
- Lot & plat number
- Lot dimensions
- Easements
- Existing and Proposed grade
- Existing & proposed drainage
- Location of Well, Septic and Drain Field if applicable
- Construction plans:
- Front, rear & side elevations
- Construction details including footing/foundation, floor plan, electrical, plumbing and mechanical plans
- Water and sewer line size and location
- ¼” Scale
- Location of Existing Utilities
*Additional information may be required as determined by the Building Commissioner
Note:
All commercial construction documents and all engineering computations shall bear the date issued as well as the signature and seal of the registered design professional responsible for the design as required by section 106 of the 2021 I.B.C. Code.
It is the responsibility of the builder/owner to insure that the building complies with all applicable subdivision/association by-laws if any, and to obtain the necessary permits from the respective fire protection district and any other government agency.
Final inspections or certificates of occupancy will not be issued until final inspection approval from the Fire Protection District has been issued and if applicable, final inspection approval of the septic system completed by St. Charles County.
** An Occupancy Inspection is required for all existing structures upon any change in ownership, tenancy or occupancy of such structures.
Downloadable Forms
Construction Safety & Reference Links
- Building Safety Tips: www.iccsafe.org
- Deck Building Safety Tips: www.strongtie.com/safedeck/
- International Code Council: www.iccsafe.org
- Missouri Department of Natural Resources: www.dnr.mo.gov
- Missouri Department of Transportation: www.modot.org
- Wentzville Fire Protection District: www.wentzvillefire.org
- Wright City Fire Protection District: www.wrightcityfire.org




