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.

Ohio Auglaize County Updated March 2026

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

Application Process

Source: City permits and zoning administration

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

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..

Need help with your project?

Navigating permits in Saint Marys can be complicated.

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Important: This page is an educational resource provided by jaspector.com. It is not legal advice, and it does not substitute for official guidance from the permit authority listed above. Permit requirements, fees, and processes change frequently. Always verify current requirements directly with the issuing department before beginning any construction project. Use of this page does not create an attorney-client relationship. Jaspector assumes no liability for any outcomes arising from reliance on this information.

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