Yes — Mainstream is fully licensed, bonded, and insured to install gas lines in Washington and Idaho. Gas-line work requires a specific licensed contractor classification, a permit on every job, and a final inspection by the local jurisdiction — all of which we handle as part of every gas project.
Our credentials
- Washington plumbing and gas contractor license
- Idaho plumbing contractor license
- Liability and workers’ comp insurance
- Background-checked, gas-certified technicians
- Permits and inspections coordinated for every job
For any natural gas or propane work, see our gas line installation service.
