Delivering a wide range of services to the Greater Fairfield County for over 50 years.

Call us at 203-452-9302 or contact
us here for a FREE quote today.




Do you need a septic system installation? How about concrete work? A new driveway or outdoor pool? Count on Gillis Construction for a wide variety of projects. Here are our most common services. Not sure if we can help you with our project? Contact us today for a free quote!


Complete excavation services for a wide variety of applications.


Interior and exterior demolition with safety and sustainability in mind.

Concrete Work

A versatile and dependable material for a wide variety of uses.

Septic Systems

Whether you need an installation, pumping or repair.

Swimming Pools

Enhance your outdoor experience with a custom pool installation.

Snow Plowing

Let us make the harsh New England winters just a little easier.

More than 50 years experience.

Superior quality services and materials.

Ethical practices for the local community.




With extensive experience working in the construction industry Gillis Construction is proud to serve the Greater Fairfield County for more than 50 years. We offer a wide range of services including excavation, demolition, snow plowing, septic system installation, sewer and water line hook up, concrete work, driveway installation, bunker construction and much more.


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