Home
About us
Leadership
Our Values
Our Culture
Our Clients
Projects
Careers
Contact Us
Menu
Home
About us
Leadership
Our Values
Our Culture
Our Clients
Projects
Careers
Contact Us
Bid Document System
HOME
About us
Leadership
Our Values
Our Culture
Our Clients
Projects
Careers
Contact Us
Menu
HOME
About us
Leadership
Our Values
Our Culture
Our Clients
Projects
Careers
Contact Us
Insights
Sewer
Projects
,
Utilities
,
Wastewater
,
Water
Carbonado Water and Sewer Improvements
top
Search
Search
Main Office
1130 Rainier Ave. South, Suite 300
Seattle, WA 98144
206.284.0860
grayosborne@g-o.com
Want to join our team?
Let’s talk
.Facebook
.Linkedin
.Instagram
.Facebook
.Linkedin
.Instagram
Projects
Explore some of our projects and see how we’re transforming the built world.
Awards
Awards validate the safety, ethics, and quality that we commit to every day.
Latest Projects
Construction Management
,
Wastewater
Sumner Regional Wastewater Treatment Facitity
Construction Management
,
Water
McAllister Wellfield Corrosion Control
Construction Management
,
Water
Reservoir No 2 & Water System Improvements
Construction Management
,
Wastewater
Sunnyside Wastewater Treatment Plant
Vision
We are passionately leading the way in digitizing the construction industry.
Sustainability
Our holistic approach addresses partners, people, projects, practices & places.
Who we are
From small renovations to complex billion dollar projects.
Careers
We choose to include. People from every background are our greatest asset.
History
Working with us means you have our 4,500+ network of experts beside you.
Leadership
Meet our leadership team who guides strategic operations across our company.
Safety
Creating a safe and healthy work environment is a central guiding principle.
Construction
From preconstruction to virtual design and construction, we offer a wide range of services to meet your building needs.
Lump-Sum Contracting
The Construction Manager is not required to provide an estimate or contract cost breakdown and does not typically participate in pre-construction.
Design - Build
Certainty of outcome. It’s why our clients choose us for their most challenging Design/Build projects.
Pre-Construction Services
From engineering to preconstruction, we offer a variety of services and delivery methods.
