Why do I need a building permit?

The City of Dayton, through the actions of the City Commission to adopt a building code, believes a city must have minimum standards of construction to ensure the public health, safety and welfare. The minimum standards of construction reduce potential hazards and unsafe construction practices. They help provide sufficient access to buildings to all persons as well as the means to safely leave a building during an emergency situation such as a fire. The permitting process is the means to ensure the minimum standards can be met in the construction and reconstruction of buildings. Additionally, the State of Ohio requires compliance with the building codes through legislation.  Permit applications can be found online at

Building/Zoning Application.

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1. What is a building permit?
2. When do I need a building permit?
3. How can I find out the permit fees for my project?
4. Why do I need a building permit?
5. If my building or house has had a fire or has been damaged by a vehicle or a storm, what do I need to do?
6. When don’t I need a building permit?
7. When do I not need a plumbing, electrical or mechanical permit?
8. How do I apply for a permit?
9. What building codes does the City of Dayton enforce?
10. Where is the Division of Building Inspection located?
11. When do I need to submit plans?
12. Can I apply for a permit online?
13. How long does it take to get a permit?
14. How many copies of plans are required for permit review?
15. How many copies of revised plans are needed?
16. How do I arrange for an inspection?
17. What should I know about inspections during construction?
18. How do I know if a property is within the Dayton city limits?
19. How do I know if a building is in a historic district with special requirements?
20. What is required to get electric service connected?
21. What are the hours of operation for the Building Inspection Permit Counter?
22. What is required to get natural gas service connected?
23. What services are provided at the One Stop Center (371 W. 2nd St.)?