Jnsd Construction

Jnsd Construction operates in Ontario and the Inland Empire with CSLB license 1080741, holding B general building, C10 electrical, C16 fire protection, and C36 plumbing classifications. Since 2021, the company has provided fire sprinkler installation and inspection, fire alarm systems, backflow testing, fire extinguisher service, and kitchen hood cleaning across multiple trade disciplines. The contractor maintains a 4.5-star Google rating based on eight customer reviews. Their license remains active and in good standing with the California Contractors State License Board.