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Tenon Construction is a full service general contracting firm serving clients throughout the greater Seattle Area. Specializing in residential remodels and new builds, the Tenon Construction team is committed to improving the lives of families through beautiful and functional homes.


We believe that a home should be as beautiful as it is functional.  We work closely with our clients and architects to ensure your project matches your lifestyle and serves your needs. Our goal is to always honor the intent of the design while ensuring the end product works for you. We are proud to help homeowners make smart and practical choices about energy efficiency and sustainable materials. Our priority is to build quality homes that enhance lives and stand the test of time.

We understand that building or remodeling a home can be as stressful as it is exciting. Throughout the entire process, we work with you to navigate choices and make informed decisions.  Our strong relationships with our clients, architects and sub-contractors are built on open dialogue and consistent communication.




From traditional to contemporary, we hold ourselves to the highest standards of quality craftsmanship. We value the integrity of each project and honor the art of our craft. Whether you are  planning your dream kitchen or adding space for your growing family, Tenon Construction is here to help you see your ideas come to life.


Our team delivers the sophistication of a big firm with the personal attention of a small company. Regardless of size or scope, we bring the same level of commitment to every project.


With over 25 years in the building trade, Corey Brennan and his team have the experience and expertise to help clients create a home custom to meet their goals and needs. 

Corey defines what it means to be an excellent contractor. He has a deep reservoir of knowledge which he implements with skill. He has superior problem solving skills which he applies with the patience required to achieve the best solutions. What elevates him to truly exceptional is that he is customer oriented, honest, and a pleasure to be around. He is a man of worth and integrity; the consummate professional.