Water Line Installation in Spokane, WA
Clean, Reliable Water Systems Built to Perform
At Tri-County Plumbing, we design and install water line systems that support everything from luxury custom homes to complex commercial builds. Whether you're working on a new construction project or reworking an outdated system during a remodel, we bring careful planning, premium materials, and precision execution to every job.
Clean water is one of the most important parts of any structure—we make sure it stays that way.
Residential & Commercial
Commercial
We install water mains and supply lines for all kinds of commercial projects, using durable materials and precise techniques to ensure long-term performance. From trenching and permitting to final testing, our team handles every detail to deliver a reliable connection you can count on.
Residential
We don't really do small repairs but if you need new waterlines, we can take care of that no problem. The bigger the job the better, give us a call and let us bring the water to you!
Our Water Line Services
Include:
- New water main installation for homes and commercial sites
- Water line extensions and rerouting for remodels
- Interior system plumbing (supply lines, manifolds, pressure regulators)
- Pressure testing and inspection support
- Code-compliant tie-ins with local municipal systems
Proudly Serving Eastern Washington
Spokane • Spokane Valley • Deer Park
• Liberty Lake • Mead • and surrounding areas
Start with a Plumbing Team That Understands Infrastructure
From meters to manifolds, we’ve got your water system covered. Let’s make your project flow seamlessly from day one.