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What is the maximum height for a porch floor before you need railings? I have been told 24 inches and 30 inches.
The code refers to guards not railings. The language of the code is: Guards shall be located along open-sided walking surfaces, including stairs, ramps and landings, that are located more than 30 inches measured vertically to the floor or grade below at any point within 36 inches horizontally to the edge of the open side. Insect screening shall not be considered a guard.

Building Safety

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1. What is the maximum height for a porch floor before you need railings? I have been told 24 inches and 30 inches.
2. I want to build an addition. What do I need to do?
3. I want to install/build a shed. Do I need a Building Permit?
4. I want to build a garage. What do I have to do?
5. I want to turn my deck into a porch. What do I need?
6. I want to turn my screened porch into living space. Do I need a permit?
7. I want to finish off my basement. Do I need a permit?
8. I am interested in purchasing a mobile home in Concord and was wondering what the restrictions regarding doing an addition on a mobile home located in a park were?
9. What fire rating do I need for the entry doors from the garage to the house? I have seen 20, 45, 60 and 90 minute ratings.