D-04: Central Vacuum Systems
0 licensed Central Vacuum Systemss in California
What Does a D-04 License Cover?
Installs, modifies, maintains, or repairs central vacuum systems, pneumatic tube dispatching systems, or any other pipeline operating systems of reduced pressure.
California law requires a contractor license for this type of work on projects valued at $500 or more (combined labor and materials). Hiring an unlicensed contractor for work requiring a license may void your consumer protections.
Hiring a Central Vacuum Systems
Before hiring, verify the contractor's license is active and that they carry current workers' compensation insurance and a contractor bond. California law requires a written contract for home improvement projects over $500. Get at least three written estimates and check references before making a decision.