This depends on the state that you live in. In most cases, you need to apply for a permit from the government for building rights, this can be on a local or state level. However, a risk insurance woud be an intelligent choice.
No. you will need to buy a "Builders Risk" policy to cover liabilities associated with home construction.
Not for the building fabric - that should be the landlords responsibility, but you would benefit from contents insurance (in case you are robbed etc.).
Yes, you will need building insurance. It is still wise to have some type of insurance to cover for damages and loss even though you don't own the building.
Yes, you will need commercial building insurance in order to protect you from incurring higher cost later on as well protect you, and your renters. Normally you will need fire and theft insurance amongst others.
Yes, you would want to be covered in the case there was an issue with the the builder and something was missed.
Home builders mostly need a contracting license. Contracting licenses can be acquired by taking a test. Once you pass the test you pay the fees to receive your license.
There are numerous policies you can buy for home building insurance. So depending on the structure itself you may need a more basic policy which will give you a less premium and monthly cost or a more detailed which will then mean a higher premium and monthly cost.
Home building insurance will generally cover everything that forms part of the building, including the foundation. You need to ensure that you have your home insured for enough to completely rebuild your house if it was completely destroyed. Most insurance companies will have a provision for removal of debris from the site, but it is worth checking as you may need to increase the sum insured to cover costs associated with removing the remains of your home before rebuilding can begin if there is a total loss.
You only need insurance if you want any of your belongings covered if the building burns down, someone breaks in your home and steals your items, someone trips on your steps and sues you for injuries. These would be a few of the reasons that you may want to purchase insurance on your belongings. You can only insure your items in the home and not the building that you are renting. You can only insure something you own. The person renting you the home cannot charge you for insurance on the home. You purchase your own policy just covering your furniture, clothing, etc and liability. Your policy will not pay for his property and vice versus.
everything, For example bakers need circumference for bread or builders need perimeter and area for building.
Builders do not need a license to work in Pennsylvania, although there are professional requirements required by the Department of Transportation for professional contractors.
I would check the National Home Builders association page to see who is the best home builder in your area. Due to the lack of information on where you need a home build I cannot suggest a home builder as they may not be in the area desired.