ALSD MECHANICAL operating as a limited liability is licensed in California under CSLB number 1127737. The license was first issued in 2024, putting the business at 2 years on the active CSLB roster. It carries a single CSLB classification: C-4 — Boiler, Hot Water Heating and Steam Fitting Contractor. Records show an active surety bond on file with AMERICAN CONTRACTORS INDEMNITY COMPANY and a previously-filed workers' compensation policy with FEDERAL INSURANCE COMPANY that is no longer active. The business is based in PITTSBURG, in Contra Costa County, California.