After you've completed the steps described above, your LLC is official. But before you open your doors for business, you need to obtain the licenses and permits that all new businesses must have to operate. These may include a business license (sometimes also referred to as a "tax registration certificate"), a federal employer identification number, a sellers' permit, or a zoning permit. For more on business licenses and permits, see the Licenses & Permits for Your Business area of Nolo's website.
Both homeowners and business owners look for interior design and home decorating services in order to make the vision for their space come to life. Having a degree or certification will help you understand the different functions of a home or office, but it is not legally required in most places. You will be able to do most of your research from the comforts of your home, but you will need to get to know your client in order to understand how they want to use the space. Consider asking questions like:
Where the equipment you use in your business was acquired as a gift, you may report your estimate of its current market value on the Business Property Statement (that is, what you think it would sell for in the open market place). Enter that estimated value in the most current year's cost line and add a note indicating that the entry is an estimate.