We pride ourselves on providing exceptional service, competitive pricing, and flexible financing options to fit any budget.

Solutions to Meet All Your Needs

Why Call Them When They'll Call Me

With over 25 years of experience, I KNOW A GUY CONTRACTING, LLC is your go-to source for exceptional contracting services.

beautiful house with perfectly installed siding roofing and gutters
elegant looking bathroom

Secure Your Property with Expert Roofing Services

From roofing replacement, new installation, to repair services, our team of skilled professionals has the expertise to handle any project with precision and care. We prioritize using high-quality materials and advanced techniques to ensure long-lasting results that exceed your expectations.

In addition to our roofing expertise, we also specialize in gutter installation, repair, and maintenance. Our comprehensive services will safeguard your property from water damage, maintaining the integrity of your roof and foundation.

man installing asphalt shingle roofing
Installation, Replacement, and Repairs

Boost Your Property's Value

From flawless siding installations to seamless replacements, we offer a comprehensive range of siding options to suit your style and budget. Whether you prefer the timeless elegance of vinyl siding or the natural charm of fiber cement, our skilled contractors will guide you through the selection process and deliver exceptional results that exceed your expectations.

If your siding has experienced damage or wear over time, we provide reliable and efficient repair services. Our experienced contractors possess the expertise to identify and address any issues, ensuring your property remains durable and visually appealing for years to come.

worker installing house siding

Elevate Your Space with Expert Remodeling Services

A well-executed home remodeling project is more than just a facelift; it is a transformation that breathes new life into your living space. It improves functionality, adds aesthetic appeal, and even increases property value. From basement remodeling to full-scale residential remodeling, our team of experts ensures that every detail meets your expectations. We meticulously plan and execute every step, giving you a home that not only looks better but also works better for you.

new modern looking bathroom

Make Room for Life With Inspired Home Additions

Adding extra square footage to your home isn’t just about having more space; it’s about enriching your lifestyle. A home addition can serve multiple purposes, from a new bedroom to an extended kitchen or even a home office. Our team of room addition contractors and interior remodeling contractors ensures your vision comes to life, improving both aesthetics and functionality. With a home addition, you not only add value to your property but also enhance your quality of life.

shed studio construction

Unparalleled Construction Services

From demolition to framing, commercial services to home remodeling, and everything from concrete to roofing, we have the expertise and dedication to bring your construction visions to life. Our team of skilled professionals specializes in residential and commercial projects, offering tailored solutions for every need. Whether you’re looking to create a new space, renovate your home, or expand your business, we have the knowledge and resources to deliver exceptional results.

retaining wall on a side walk
Get Quality Services

Work with a Reliable Construction Company in Harrisburg, PA, and Surrounding Areas

I KNOW A GUY CONTRACTING, LLC is here to serve you.

Choose I KNOW A GUY CONTRACTING, LLC for all your contracting needs in Harrisburg, PA, and surrounding areas. We don’t settle for half-hearted work – we go the extra mile to deliver exceptional results that exceed your expectations. Contact us today to discuss your project and experience the difference of working with a trusted partner in the industry.

We have the skills, experience, and resources to handle projects of any size or complexity. Our team of dedicated professionals is committed to delivering exceptional craftsmanship and outstanding customer service, every step of the way.

When you choose I KNOW A GUY CONTRACTING, LLC, you can trust that you’re working with a reputable roofing company that values honesty, reliability, and customer satisfaction. Contact us today to discuss your roofing needs and experience the difference that our expertise can make for your property.

beautiful house on a wide yard

Get a Free Estimate Today

Take the first step towards a functional and beautiful home or business.

Our Badges

This Is What Makes Us Stand Out

Don’t Take Our Word For it

Check What Our Clients are Saying


Joyce Goodhart

Highly recommend. Has done several projects for us over the years. Most recently when we discovered a leaky roof JR and crew came out in pouring rain to tarp it. Every job is done professionally.



Jennifer Szlapak

Very friendly, informative, company.

Google Reviews


Brenda McDonald

Great work great price very professional.

Google Reviews


Joyce Goodhart

Highly recommend. Has done several projects for us over the years. Most recently when we discovered a leaky roof JR and crew came out in pouring rain to tarp it. Every job is done professionally.

Google Reviews


Christine Marroquin

I would highly Recommend this company to anyone, great service, very friendly, very professional, very reasonable, had a roof put on my house in two days. No complaints.

Google Reviews


Beth Shomper

He came a redid my siding and was very reasonable in price, quality work. He was always on time and he was very professional. I would highly recommend him and have him do more work for me.

Google Reviews


Pete Mavropoulos

He did a great job on my deck and bathroom could not ask for better.

Google Reviews



Very responsive, knowledgeable, reasonably priced will use for future projects.

Google Reviews

Click to enlarge