Stacy Witbeck https://stacywitbecklive.azurewebsites.net/Areas/CMS/assets/img/STW-logo.png California CSLB #414305,2800 Harbor Bay Parkway
Alameda, CA 94502
510.748.1870

Building Water Infrastructure That Works

Since 1981, we’ve been proud to support communities through thoughtful water and wastewater infrastructure solutions. What began with a single water line has grown into decades of hands-on experience across a wide range of water and wastewater projects from gravity and pressurized systems to pump stations and reservoirs. 

Our team has had the opportunity to work alongside agencies, engineers, and partners to deliver the systems people rely on every day. 

Projects We Support 

  • Water Treatment Plants 
  • Pump Stations 
  • Wastewater Systems 
  • Pipelines

Alternative Delivery That Fits the Job

With more than 40 years of experience and over $15.5 billion delivered through alternative delivery methods, we take a flexible, collaborative approach tailored to each project’s unique needs. 

  • Over 100 utility agencies served nationwide 
  • Experienced in CMAR, Design-Build, and Bid-Build 
  • Strong self-perform capabilities and national partnerships
“No matter the delivery method, our focus remains the same: building strong relationships and delivering dependable results.”

A Team You Can Count On

We bring a deep bench of skilled craft workers, a hands-on approach to problem solving, and a steady commitment to doing the right thing on every job, every day.

By working closely with clients, designers, and communities, we help shape infrastructure that’s built to last, with minimal disruption and long-term value in mind.

“We believe in building the kind of infrastructure we’d want in our own communities—safe, reliable, and done right.”

Local Roots, Lasting Relationships

We know that every project is local. That’s why we invest in strong regional partnerships and work hard to support the people and priorities that make each place unique.

Built on collaboration, trust, and shared values, our relationships drive better outcomes for the project and the people who count on it.

Featured Projects

Caltrans Pump Stations

Lynnwood Link Extension

Silver Lake Reservoir

Water Infrastructure Project Types

  • Water Treatment Plants
  • Pump Stations
  • Wastewater Systems
  • Pipelines