Plumbing Services in Spokane, WA
Built for Custom Homes. Trusted by Builders. Designed to Last.
Expert plumbing for new builds, remodels, radiant heating, and infrastructure.
At Tri-County Plumbing, we bring more than pipes and fixtures to the job—we bring a level of care and precision that makes your project easier, smoother, and better from the ground up. Whether you’re a contractor breaking ground on a new build, a homeowner planning a remodel, or a designer coordinating radiant heat into your vision, we’re here with expertise you can trust.
New Construction
From residential estates to commercial spaces, we provide expert layout, install, and inspection services for new builds of every scale. We collaborate early with contractors, ensuring plumbing is integrated seamlessly—on time and on budget.
Remodels
Bringing an older home up to modern standards? Renovating a kitchen or bath? Our team works closely with contractors and homeowners to deliver plumbing upgrades that function as beautifully as they look.
Radiant Floor Heating
We install high-efficiency hydronic heating that transforms floors into a source of lasting comfort. Ideal for custom homes and remodels throughout Spokane, Liberty Lake, and the surrounding areas.
Water Line Installation & Replacement
We design and install water line systems that deliver long-term performance and efficiency. Whether you're breaking ground on a custom home or upgrading infrastructure during a remodel, our team ensures clean water access is built right—code-compliant, pressure-tested, and ready for the future.
Sewer Line Installation & Repair
Sewer systems need to function smoothly and discreetly. We handle layout, excavation, installation, and tie-ins for new construction and remodels. When repairs or replacements are needed, we work quickly and cleanly—with minimal disruption and complete transparency.
Where We Work
We proudly provide service throughout:
Spokane, WA
Spokane Valley
Liberty Lake
Deer Park
Mead and surrounding areas