DONALDSON CONCRETE CONSTRUCTION operating as a sole owner is licensed in California under CSLB number 540944. The license was first issued in 1988, putting the business at 38 years on the active CSLB roster. It carries a single CSLB classification: C-8 — Concrete Contractor. Records show an active surety bond on file with AMERICAN CONTRACTORS INDEMNITY COMPANY and active workers' compensation coverage from PACIFIC COMPENSATION INSURANCE COMPANY. The business is based in OAKLEY, in Contra Costa County, California.