What is the definition of a substantial improvement?

Substantial improvement means any repair, remodel, rehabilitation, addition, or improvement, the cost of which equals or exceeds 50% of the "depreciated market" value of the existing structure either, before the improvement is started, or if the structure has been damaged and is being restored before the damage occurred.

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1. Is my property in a FEMA Floodplain/Special Flood Hazard Area?
2. What if my parcel is in a Special Hazard Area Floodplain, but the structure(s) are not or my structure is raised?
3. What is the definition of a substantial improvement?
4. What is the definition of the depreciated market value of a structure?
5. How do I determine the valuation of my project?
6. What if the scope of work increases after my building permit is pulled?
7. Do I need to fill out this form for a permit that is done over the counter?
8. What if my project is a Substantial Improvement?
9. Where can I get more information?
10. My neighbor's construction project is making a lot of noise - what is allowed?
11. How far in advance do story poles have to be put up? How long do they stay up?
12. I’m a property owner and I'd like to get a copy of the original set of building plans for my house. Do I still need approval of the design professional?
13. I’m a new business owner and will be replacing the old sign with my new name. Do I still need a sign permit?
14. What is required regarding trash, debris, indoor and outdoor storage?