Yes — Mainstream handles full plumbing code compliance for new installations, remodels, and corrections to bring existing systems up to current code. Our licensed plumbers work to Washington and Idaho state codes, pull permits when required, and coordinate every inspection so your project passes the first time.
Code compliance work we handle
- Backflow prevention installation and testing
- Water heater venting and earthquake straps
- Pressure-reducing valves where pressure exceeds 80 PSI
- Proper traps, vents, and cleanouts on all drain lines
- Sediment trap, sediment dam, and shutoff requirements
- Permits and inspection coordination
We can perform a code-focused plumbing inspection, install required equipment like backflow prevention, and bring legacy systems up to standard.
