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§ 02
When a permit is required
Permit triggers and exempt work for Saint Marys
Commercial and industrial projects, and residential projects with four units and above, should use Miami County Ohio Building Regulations.
Note: No published exempt-work list was located in the public materials reviewed.
- Building code
- Ohio state code applies; local materials reviewed did not clearly state a city-specific adopted code.
§ 03
Fee schedule
Saint Marys building permit fees
Fee type
Amount
01
Minimum permit fee
$10 zoning permit
02
Permit fee formula
Several permits use flat or variable fees; plumbing fees vary by connection and inspection type.
Fees change periodically. Confirm at the official fee schedule ↗ before budgeting.
§ 04
Frequently asked
Common questions about Saint Marys permits
01 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.
02 How much does a building permit cost in Saint Marys, OH? ▸
Building permit fees in Saint Marys, OH are set by the local building department and vary by project type and valuation. 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..
last verified April 2026
source City permits and zoning administration ↗
entry id permits/ohio/auglaize/saint-marys
Educational reference. Permit rules and fees change — confirm current requirements directly with City permits and zoning administration before applying. Jaspector is not legal advice.