The Engineering and Plan Review Group is responsible for the review and approval of commercial and residential plans, regulating development in the 100-year floodplain, issuing utility excavation permits, and working with residents, developers, and engineers on wastewater, stormwater, and drinking water issues, along with review of all Planning & Zoning Commission submittals. The division is also responsible for developing and implementing the City’s Traffic Management Code.
- ENGINEERING » As-Built Permit
- ENGINEERING » Boundary Adjustment Application
- ENGINEERING » Capital Improvement Projects
- ENGINEERING » Driveway Installation Application
- ENGINEERING » Easement Dedication Plat/Vacation
- ENGINEERING » Excavation Permit
- ENGINEERING » Floodplain Development Permit
- ENGINEERING » Grading Permit
- ENGINEERING » Over-sized Load
- ENGINEERING » Record Plat Application
- ENGINEERING » Residential Site Construction Plan Application
- Manage your Projects
- Pay Fees
- Submit documents
- Schedule an inspection
- Review Progress
Downloadable Construction Plans
- Residential/Commercial Standard detail (PDF)
- Grading Plan Standard details (PDF)
- Residential/Commercial/Grading CAD files (contains the above details on CAD format)
Concrete Pavement and the Eastern Missouri Pavement Consortium
All concrete placed within the City of O'Fallon must be submitted to and approved by the Eastern Missouri Pavement Consortium (EMPC). Approved mix designs will be stored on their website for use. Specifications for concrete pavement are also provided. Please reference the EMPC brochure (PDF) for additional information. Any new mix design that is submitted may take several weeks before approval is issued.
The website to access the EMPC is www.empcpavement.org. In order to view information on the website, a free account is required. An account can be created by clicking "Login" on the homepage.
Excavation Permits (Who is digging near my yard?)
The City of O'Fallon requires a permit for all utility work and utility excavations within both private property and the City right-of-way. Previously, the City only required a permit for work within the right-of-way. However, due to the State passage of the 2007 Video Service Providers Act, a new City ordinance was established for the placement of video services on private property and extends regulatory authority to the placement of any utility facilities on private property.
Utility companies are constantly digging in new utility lines around the area. New lines for high-speed internet, telephone, fiber optics, cell phones, plus new gas lines and adjustments to water and electric lines cause contractors to open up the ground, install pits and boxes, and then install their utility. These are usually shorter projects and remain mostly in the grass areas.
More information on City ordinances for utilities on private property can be found in Section 400.910 of the Municipal Code; for utilities within the City right-of-way, please refer to Section 406 of the Muncipal Code.
For information regarding utility permits, please contact email@example.com or 636-379-5556.
Recently Adopted Ordinances
The City uses a third party company to publish updates to the City Code. These updates are only updated a few times per year. The ordinances below were approved recently, and will affect projects that require the Engineering department. Please refer to these updated ordinances. Once they are updated on the City Code, then they will be removed from this list. The full text of these ordinances is available here.
- The City's online code is up-to-date. Future ordinances may be posted here.
Learn how to apply for a permit when replacing, modifying or widening your driveway, including the process and standards set forth. Go to the Driveway Permits webpage.
- Floodplain Map Lookup – Search to see if a property is located in a floodplain
- Floodplain Development Permit Application (PDF)
- Professional Certification for LOMR Application (PDF)
- FEMA.org – The National Flood Insurance Program
- For questions about floodplains or floodplain insurance, please contact Jeannie Greenlee at 636-379-5557.
This division's purpose is to review and conduct residential and commercial construction inspections of storm sewers, sanitary sewers, water mains, streets, grading, and other site development items assuring for code and approved construction plan compliance and quality of construction.
Are you a resident with a question about your final infrastructure inspection? Send an e-mail to firstname.lastname@example.org.
Interactive GIS Map
Some layers of the mapping system are featured in order to help provide some basic information to the public. Please note that the locations of the objects within this mapping system should be used for reference only. Field verification of the data may be needed. As well, some data may not be published for security reasons.
Contact Engineering staff
|Vicky Usery, Administrative Assistantemail@example.com||636-379-5596|