Any contractor or homeowner hiring a contractor needs to know the licensing requirements for your state.
Otherwise, you could be facing fines, removal of your project without compensation, or a dangerous situation at your home. Contractors can face jail time, and unlicensed contractors may not have any legal recourse if their client refuses to pay.
In general, licenses are needed for the following:
Some states have dollar amounts for determining which jobs you must have a license for. This is the total cost of the job including labor, materials, etc. If no dollar amount is listed, then there is no minimum or maximum.
Some states require licensing while others require registration. The difference between the two is this:
http://www.contractors-license.org/or/or.htm
Oregon requires a license for anyone performing construction activity for compensation. The exceptions are handyman projects totaling less than $1,000.00 and being “casual, minor, or inconsequential in nature”.
License lookup: http://search.ccb.state.or.us/search/