Welcome to Cornerstone425

About Us

Experience It makes all the difference in your construction project

Cornerstone Services Group provides general construction services for both residential and commercial projects. With a deep understanding of the trade, our experienced crews can make the difference between a successful project and a costly one. We build long term relationships with homeowners, developers, and design partners and subcontractors. We provide superior service from pre-construction through completion and beyond.

Communication is Key

We will work with you to meet deadlines and coordinate with other related projects. We will maintain open communication with you to keep you up to date on the status of your job. We do this to guarantee that the project is completed according to your preferences.

Satisfaction Guaranteed

 We strive to save you both time and money by combining our use of industry knowledge, the highest quality parts and equipment, and our dedication to delivering exceptional service. We will not leave the job until it is finished and you are satisfied.


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Contact Us

Get A Free Quote

To get a free quote, please contact us at your convenience.  We look forward to serving you.


(425) 748-4775


Monday - Friday: 8am - 5pm

Saturday - Sunday: Closed

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