D SQUARED CONSTRUCTION operating as a corporation is licensed in California under CSLB number 998372. The license was first issued in 2014, putting the business at 12 years on the active CSLB roster. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with BUSINESS ALLIANCE INSURANCE COMPANY and active workers' compensation coverage from AMTRUST INSURANCE COMPANY. The business is based in CONCORD, in Contra Costa County, California.