Grennan Construction: Your Local Contractor in Pontiac, MI

Grennan Construction is a family-owned business serving Oakland County since 1998. Renowned for honesty and integrity, our team specializes in residential roofing and siding, ensuring that each project aligns with the unique needs of the customer. We combine quality craftsmanship with exceptional customer service to enhance your home.

Roofing Services

Installing a new roof is one of the most impactful home improvement projects. Our expertise encompasses a variety of materials, ensuring your roof is both aesthetically pleasing and fully functional. Trust our team to provide reliable options that protect your home against Michigan’s weather.

Siding Solutions

Choosing the right siding is essential for both aesthetics and protection. We offer a range of products, including James Hardie cement board and vinyl siding, tailored to match your home’s style while defending it from the elements.

Window Installation

Enhance your home’s energy efficiency and curb appeal with our window installation services. We provide various quality brands to ensure you find the fit, and all our projects are underpinned by a comprehensive manufacturer’s warranty.

Masonry and Concrete Work

In addition to roofing and siding, we also provide masonry services, including brick repair and concrete work. Our skilled team is equipped to handle various exterior repairs and enhancements, ensuring your property remains in top shape.

Contact Grennan Construction to discuss your home improvement needs. Serving Pontiac and the surrounding areas, we are committed to helping you achieve your vision for your home.