So, you’re considering adding a portable building—be it a shed, barn, garage, or cabin—to your Missouri property. Before you get too far into planning, it’s essential to understand the permitting requirements to avoid any legal hiccups down the road.
Understanding Permit Requirements
In Missouri, the need for a permit largely depends on the size of the structure and local regulations:
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General Rule: Structures over 100 square feet typically require a building permit. This includes most standard-sized sheds and portable buildings.
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Smaller Structures: Some municipalities allow for structures up to 120 square feet without a permit. For instance, in St. Louis County, sheds larger than 120 square feet require a permit.
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Local Variations: Regulations can vary significantly between cities and counties. For example, in Webster Groves, an Accessory Structure Building Permit is required for any shed, regardless of size.
Setback and Placement Considerations
Beyond size, where you place your portable building matters:
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Setbacks: Most areas have setback requirements, meaning your structure must be a certain distance from property lines. For example, in Springfield, portable buildings must be set back a minimum of 10 feet from rear lot lines in residential districts.
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Foundation Requirements: Larger structures may need a permanent foundation or anchoring system to meet local codes.
Steps to Ensure Compliance
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Check Local Regulations: Always consult your local building department to understand specific requirements in your area.
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Prepare Necessary Documentation: This may include site plans, building specifications, and other relevant documents.
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Submit Permit Application: Follow your municipality’s process for submitting a building permit application.
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Schedule Inspections: Once your building is in place, you may need to schedule inspections to ensure compliance with local codes.
While adding a portable building can be a great way to increase storage or living space, it’s crucial to navigate the permitting process correctly. Taking the time to understand and comply with local regulations will save you time, money, and potential legal issues in the future. Always reach out to your local building authority for the most accurate and up-to-date information.
