You will always want to be insured and its best to find out what type of licensing you will need in your city and state. Banks want to work with established and experienced national companies who provide clean out services. You can work as a subcontractor for larger firms who have work orders and contracts to get done.
General liability bonding insurance amount will depend on how much work and how many workers you will be hiring. The size of the job will also play a part in how much coverage you will need.
You can buy Mortgage Field Services and Property Preservation
E&O and General Liability Insurance at OREP organization of Real Estate Professionals, they provide errors and omissions insurance to Real Estate Appraisers, Inspectors, RE Agents, Brokers, Energy Raters, and Auditors.