What is the frost line depth; how deep should I dig my footing?

A minimum depth of 32 inches from finish grade to the bottom of the footing is required by the Residential Code of Ohio. Minimum size shall be determined by load bearing value of the soil conditions in pounds per square foot. Concrete in footings shall have a specified compressive strength of not less than 2,500 PSI at 28 days, air-entrained.

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1. What should I consider when hiring a general contractor to work on my house?
2. Do I need a permit to install or re-roof my house?
3. Do I need a permit to build a fence?
4. Do I need a building permit to put a shed in my yard?
5. What residential building codes does the Division of Building Inspection enforce?
6. Do I need a permit to install a swimming pool or hot tub?
7. Can I put new shingles over the existing ones?
8. What is the frost line depth; how deep should I dig my footing?
9. How long do I have to make repairs to a house that has been cited as a nuisance?
10. After a permit is issued, can I do the work on my house or do I need to hire someone?
11. What do I need to obtain a permit to build a deck?
12. What do I need to obtain a permit to add a garage?
13. What do I need to obtain a permit to build an addition to my house?
14. Do my plans need to be prepared by an Architect or an Engineer?
15. How long does it take to get a permit?
16. How many copies of plans are required for permit review?