Virginia

http://www.contractors-license.org/va/va.htm

Tradesman licenses are required for electrical, plumbing, HVAC, and all gas fitting. Construction contractors are licensed by the Virginia Board for Contractors at three levels:

• Class A: Single contracts at $70,000.00 or more, or $500,000.00 in a single year.
• Class B: Single contracts at $7,500.00 to less than $70,000.00, or $150,000.00 to less than $500,000.00 in a single year.
• Class C: Single contracts at $1,000.00 to less than $7,500.00, or less than $150,000.00 in a single year.

License search: http://www.dpor.virginia.gov/LicenseLookup/