We install dependable electrical systems for utility and infrastructure projects.

Trusted on Public Projects

Utility-scale electrical installs built for power, precision, and public use.

Safety & Compliance

We meet municipal and state safety standards with precision-built systems that protect workers and the public.

Permitting & Inspection

We help streamline the approval process by designing and installing with permitting and inspection in mind.

Public Access Coordination

We install around traffic flow, right-of-ways, and easements—keeping public disruption to a minimum while staying on schedule.

System Reliability

We build for the long haul with underground systems, vaults, and utilities that deliver consistent performance year after year.

Projects We Build

Supporting utility and infrastructure builds across key project types.

We frequently work with:
  • Municipal and utility contractors
  • Civil and infrastructure GCs
  • Public works departments
  • Underground and trenching specialists

  • Public Water + Wastewater Pump Stations

    Reliable mechanical and electrical systems that meet public standards and reduce service disruption risk.

  • Electrical Substations + Metering Infrastructure

    High-voltage ready installs delivered with safety, code compliance, and coordination in mind.

  • Utility Service Buildings + Maintenance Yards

    Clean, functional MEP systems designed for long-term use in mission-critical facilities.

  • Underground Conduit + Vault Systems

    Installed with precision and trench coordination to support scalable, future-ready infrastructure.

Simplify your build with our turnkey MEP Package.

We bundle HVAC, plumbing, and electrical into one streamlined package—so you don’t have to chase multiple subs or juggle conflicting timelines.

See Our MEP Package
Call (509) 544-8840

One partner.
All three trades.

  • Electrical Systems

    Full electrical rough-ins, subpanels, and lighting installs—built for inspection success the first time.

  • Plumbing Systems

    From groundworks to finish fixtures, we handle everything inside and out, including water heaters and backflow.

  • HVAC Systems

    Ducted, ductless, or heat pumps—we design and install systems that meet your build spec and local energy codes.

What happens when you call Silverline?
 How It works

From your first call to the final sweep-up, we keep things clear, honest, and easy. Here’s what you can expect when you trust our maintenance team to take care of your home.

  • Plan Review & Bid

    We review your plans and catch red flags before install.

  • Coordinated Scheduling

    We align with your site timeline and communicate delays early.

  • Efficient Install Crews

    Our in-house techs work clean, fast, and code-compliant.

  • Closeout Support

    Punch list help, walkthrough prep, and labeled systems for your homeowners.

Our Work

Real projects. Real results. No surprises.

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