TIMBERWOLF CONSTRUCTION operating as a sole owner is licensed in California under CSLB number 811504. The license was first issued in 2002, putting the business at 24 years on the active CSLB roster. It carries a single CSLB classification: B — General Building Contractor. Records show a previously-filed surety bond from BUSINESS ALLIANCE INSURANCE COMPANY that is no longer active and an exempt workers' compensation status (no employees on payroll). The business is based in PETALUMA, in Sonoma County, California.