Grennan Construction: Trusted Roofing & Siding Experts in Pontiac, MI

Grennan Construction is a family-owned exterior remodeling company based right in Pontiac, Michigan. Since 1998, they have been helping homeowners across Oakland County protect and beautify their homes with new roofs and durable siding. For over two decades, this local team has built a solid reputation on honest advice, clear communication, and quality craftsmanship.

They focus on residential projects and do not offer emergency or 24/7 services. Their skilled crew takes a planned, consultative approach to every job. Whether you need a roof inspection after a Michigan hail storm or want to update your home's curb appeal with new siding, Grennan Construction provides the guidance and expertise local homeowners trust.

Key Services for Oakland County Homes

Grennan Construction specializes in exterior work that stands up to our local weather. Their main services include:

• Roof Inspections: They check for storm damage, wear, and leaks, giving you a clear picture of your roof's condition.
• Siding Installation, Repair & Replacement: They are a James Hardie Elite Preferred Contractor, expertly installing and maintaining the durable fiber-cement siding many Pontiac-area homes use.
• General Exterior Remodeling: This also includes window replacement to improve energy efficiency and aesthetics.

They help homeowners understand their options and make smart choices for their biggest investment.

Areas Served in Oakland County

Grennan Construction proudly serves Pontiac, MI and many surrounding communities. Their detailed service area includes:

Waterford, Rochester Hills, West Bloomfield, Commerce, Orion, Independence, White Lake, Oakland, Orchard Lake Village, Bloomfield, Auburn Hills, Brandon, Keego Harbor, Orchard Lake, and Sylvan Lake.

Knowing the housing styles and common issues in these towns—from older historic homes to newer subdivisions—helps them provide tailored solutions that fit our region.

Company History: Built on Family Values

Fred and Phil Grennan started the business in 1998 with a simple goal: to run a contracting company differently. Instead of just selling jobs, they wanted to educate homeowners. They built their company on fair practices, quality work, and treating every customer like family.

This focus on integrity and customer service has been their foundation for growth. Today, Grennan Construction in Pontiac, MI is a respected name known for taking the time to do things right.

Leadership with Local Pride

Owner Fred Grennan grew the company from the ground up. He is deeply involved in every project, with a personal commitment to customer satisfaction. His hands-on approach and pride in the work ensure that the company's original values are maintained in every siding installation or roof repair.

Being a local owner means he understands the community and is invested in its well-being, which shows in the lasting relationships they build.

Specialties & Highlights

What makes Grennan Construction stand out?

• Consultative Approach: They act as unbiased advisors, helping you understand the entire process from estimate to finished checklist.
• James Hardie Elite Status: This special certification means they are experts in installing and maintaining top-tier siding products.
• Detailed Project Management: They use clear checklists and walk-throughs so you are informed at every step.
• Family-Owned Operation: You work directly with the owners, ensuring accountability and care.

Why Locals Choose Grennan Construction

Homeowners in Pontiac and Oakland County return to Grennan Construction for reliability. They combine decades of local experience with a transparent, educational style. You won't feel pressured; you'll feel informed. Their long-standing presence since 1998 proves their commitment to the community. When you need roofing or siding work, you can trust Grennan Construction in Pontiac, MI to provide honest advice, quality materials, and craftsmanship that protects your home for years to come.