City Building Permits
Saint Marys, OH - 2026 Building Permit Guide
How to apply for a building permit in Saint Marys, Ohio. Permit authority, application steps, fees, and inspection requirements.
Permit Authority
City of Saint Marys.
- Department
- City permits and zoning administration
- Address
- City of St. Marys, 101 West Spring Street, St. Marys, OH 45885
- Phone
- (419) 394-3303
- Website
- https://www.cityofstmarys.net/
Application Process
General Requirements
Commercial and industrial projects, and residential projects with four units and above, should use Miami County Ohio Building Regulations.
- Building code
- Ohio state code applies; local materials reviewed did not clearly state a city-specific adopted code.
Fees
- Minimum permit fee
- $10 zoning permit
- Permit fee formula
- Several permits use flat or variable fees; plumbing fees vary by connection and inspection type.
Fees change. Verify current amounts at the official fee schedule.
Work That Does NOT Require a Permit
Contact the City permits and zoning administration to confirm whether your project requires a permit before starting work.
Inspections
How to Schedule
Additional Resources
- Building code: Ohio state code applies; local materials reviewed did not clearly state a city-specific adopted code.
- Zoning information: View zoning info
- Permits page
- Interactive zoning map
- License lookup guide: Ohio Contractor License Requirements
- Contract template: Ohio Homeowner-Contractor Agreement
- Ohio hub: Ohio Contractor License & Permit Hub
Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the City permits and zoning administration before applying.
Frequently Asked Questions
Saint Marys Building Permit FAQ
- Do I need a building permit in Saint Marys, OH?
- Commercial and industrial projects, and residential projects with four units and above, should use Miami County Ohio Building Regulations.
- How much does a building permit cost in Saint Marys, OH?
- The minimum permit fee is $10 zoning permit. Fees are calculated as: Several permits use flat or variable fees; plumbing fees vary by connection and inspection type..
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