New Construction Plumbing in Spokane, WA
Seamless Plumbing Integration for Custom Homes & Commercial Builds
When you're building from the ground up, every decision matters—especially the plumbing. At Tri-County Plumbing, we specialize in high-performance plumbing systems that align with your project’s specs, timeline, and long-term goals. From detailed planning to clean final inspections, our team partners with Spokane’s top builders to deliver reliable, code-compliant systems that last
Commercial & Residential
Contractors-We're used to working with contractors and and cooperating to finish projects, honestly contractors are our favorite type of client. Because working with people who really know what there doing makes for a smooth process. Whatever you're project is if you've got plumbing needs then get in contact and let's get to work!
Dream Homes-Besides contractors, we also work with individuals to make their dream homes a reality. We can help materialize your vision by not just hooking up water and sewage, but by designing and installing radiant floor heating systems. Let us help you create the living space you've always wanted and give us a call today!
Built for the Way You Build
We don’t just “install plumbing”—we collaborate early, communicate clearly, and execute with precision. Whether it’s a large-scale residential project in Liberty Lake or a mixed-use build in Spokane Valley, we’re trusted for:
- Precise system layout based on your architectural plans
- Quality material sourcing and installation
- Seamless integration with other mechanical and structural trades
- Inspections, pressure testing, and permit support
- On-schedule delivery—even on tight timelines
Why Choose Tri-County Plumbing?
- Deep experience in new construction plumbing across Eastern Washington
- Familiar with local code, permitting, and inspection processes
- Collaborative approach with contractors, architects & jobsite managers
- Fully licensed, bonded, and insured
- Proven track record in custom homes, commercial spaces & multi-unit builds
Markets We Serve
Custom Residential Construction
Commercial & Light Industrial
Multi-Family & Mixed-Use Projects
Spec Homes & Developer Communities
Let's Break Ground Together!
Looking for a plumbing partner who gets it right from day one? We’re ready to build alongside you.