HOMEOWNER
DEVELOPER / BUILDER
GENERAL CONTRACTOR
The Experience You Need
We have helped home owners for 30+ years with their sewer, water and drainage problems. Our main goal is to get the job done right, every single time. Whether its a simple video inspection, a cure-in-place pipe lining, a repair, or a more complex replacement of your exiting sewer lines, having Cornerstone Construction of Seattle Inc. as your contractor makes things easier. Over the years, we’ve earned a reputation as a trusted local business by providing quality service at a fair price with no up selling. Our many referrals speak for themselves.
Contracting Done Right
Our fully licensed and insured professionals have helped builders and developers discover the joy and benefits of working with Cornerstone Construction of Seattle Inc.. We provide services from beginning to the end so your demolition, dirt work, and utilities are done in way that allows for your vertical construction to move ahead without a hitch. We can customize our services to complement the particular needs a project faces. We are committed to quality, efficiency, and saving our clients money in the long run.
Customized Professional Services
As one of the most trusted and well-respected Excavation and Underground Utility Companies in the industry, Cornerstone Construction of Seattle Inc. understands the unique challenges that come with larger projects. Whether it's Underground Power, Fire Lines, Detention Systems, Main Lines, or Taps to exiting lines; Our team of specialists provide unrivaled expertise and innovative solutions, customized to fit every need in the most cost-effective manner. Bring us in for the Utility you need done, or better yet, bring us in during the planning phase to partner with you throughout the entire project.
Excavation, Demolition, Sewer, Storm, Power, Gas, and Water utility installation.
We provide our clients with service level the need and the execution they expect. We believe that the key to ensuring customer satisfaction includes extending our resources and skills to accommodate the changing needs of our clients.