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4915 Auburn St. Rockford, IL

(815) 315-4388

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425 E Milwaukee St, Janesville, WI

(608) 400-7652

Financing

Owens Corning Platinum Installer

(815) 315-4388

Owens Corning Platinum Installer

Free Estimates | Workmanship Warranty | Financing Available

(815) 315-4388

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Polaris Windows

Free Estimates | Workmanship Warranty | Financing Available

(815) 315-4388

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Everlast & Vinyl Siding

Free Estimates | Workmanship Warranty | Financing Available

(815) 315-4388

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DECRA Metal Roofing

Free Estimates | Workmanship Warranty | Financing Available

(815) 315-4388

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Commercial/Flat Roofing

Free Estimates | Workmanship Warranty | Financing Available

(815) 315-4388

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Metal Roofing

Free Estimates | Workmanship Warranty | Financing Available

(815) 315-4388

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JM Construction Group, LLC is a Full Service "Design Build General Contractor"

Home Improvements is our trade. Helping people is our Mission.
You can be assured that whether we are replacing a Roof, Window, Siding and Gutters, you will receive our full undivided attention and best in class installation service.

Graphic celebrating JM Construction Group’s 10 years, featuring five glass awards and a '5 Years of Excellence' banner.

Learn Why Hiring One Contractor for Roofing, Siding, Windows, and

Gutters is Essential for Storm Damage Restoration in the Stateline Area

High-angle aerial view of a residential home with a vibrant, multi-gabled red metal roof surrounded by green trees.

Roofing

Our premium roofing solutions withstand harsh weather while enhancing your property’s value. At JM Construction Group, LLC, we use high-quality materials and expert installation to deliver long-lasting protection for your home or business.

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A blue, single-story house with a gabled roof, white trim, a large window, and rounded bushes in the front yard.

Siding

Our premium siding protects against harsh weather while boosting curb appeal with stylish options. JM Construction Group, LLC installs durable, low-maintenance siding that can improve energy efficiency and lower utility costs.

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Windows

JM Construction Group, LLC offers energy-efficient windows that enhance your home’s look while providing lasting insulation and durability. Our expert installation ensures a precise fit for long-term performance.

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A brick house with a dark shingled roof, large windows, and a wooden deck railing against a cloudy sky.

Gutters

Our professionally installed gutters direct water away from your home to prevent damage and flooding. JM Construction Group offers durable, high-performance options installed for reliable, long-lasting protection.

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An aerial view of a commercial building with a roof partially covered in new white membrane and partially with gray shingles.

Commercial Roofing

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Aerial view of a commercial plaza featuring a Tidy World storefront with a white roof and parking lot.

Before After

Jmconstructiongroupllc.com / (815) 315-4388

Our Recent Projects

Aerial view of a single-story light gray house with a dark gabled roof, two-car garage, and a front porch.

Aerial view of a dark shingled, L-shaped house on a grassy lot next to a sidewalk and another home.

An aerial view of a gray suburban house with a two-car garage and asphalt roof, situated in a grassy residential area.

Aerial view of a residential house with a dark gray shingled roof, a paved driveway, and a large backyard with sheds.

An aerial view of a gray residential house with a dark shingled roof, a wooden deck, and a surrounding suburban neighborhood.

Aerial view of a residential house with a dark gray shingled roof, a driveway, and a large backyard bordering a field.

Aerial view of a blue house with brown garage doors and a grey roof, situated on a grassy lot next to a pond.

A single-story white house with a black roof, dark garage doors, and stone accents under a clear blue sky.

Aerial view of a residential house with a dark roof and white trim, surrounded by a lawn near a small pond and field.

High-angle view of a modern white house with a dark gray shingled roof, set in a sunny suburban residential neighborhood.

Aerial view of a house with a gray shingled roof, white trim, and a concrete driveway surrounded by a large green lawn.

An aerial view of a gray residential house with a dark shingled roof, a back deck, and a green lawn in a suburban area.

An aerial view of a gray-roofed single-story house with a white garage, surrounded by green lawns and a nearby pond.

An aerial view of a dark gray house with a shingled roof, a wooden deck, and a green lawn in a suburban neighborhood.

An aerial view of a gray, single-story suburban house with a white garage and a green lawn, near a pond and open fields.

Aerial view of a gray suburban house with a dark shingled roof, a wooden deck, and a green lawn on a sunny day.

An aerial view of a gray-roofed residential house with a concrete driveway, surrounded by green lawns in a neighborhood.

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Here's what our satisfied customers are saying...

At JM Construction Group, LLC, we take pride in providing exceptional general contractor services to our customers. We would be grateful if you could share your thoughts about our business with others. Your feedback helps us improve and helps others make informed decisions. Please take a moment to leave a review of JM Construction Group, LLC and let others know what you think.

A gray asphalt shingle roof with a metal ventilation turbine installed near a hip ridge.

Why Hiring One Contractor for Roofing, Siding, Windows, and Gutters is Essential for Storm Damage Restoration

By Justin Swanson • May 15, 2025

Why Hiring One Contractor for Roofing, Siding, Windows, and Gutters is Essential for Storm Damage Restoration in the Stateline Area

Roofing Companies | Rockford, IL | JM Construction

Know When to Call JM Construction For A FREE Inspection: Protecting Your Roof & Home

By Justin Swanson • April 17, 2025

When it comes to your roof, knowing the right time to call for a professional checkup can save you thousands of dollars and a lot of headaches. At JM Construction, serving the Rockford, IL, and Southern Wisconsin Stateline areas, we specialize in thorough roof inspections and high-quality roofing and siding solutions.

Roofing Contractors, Roofers | Rockford, IL | JM Construction

Enhancing Your Home's Market Value with a New Roof in Rockford, IL

By Justin Swanson • March 22, 2024

When considering selling your home, it's crucial to look for ways to increase its appeal and value. One significant investment that can yield considerable returns is installing a new roof. In Rockford, IL, where weather and seasons bring their unique challenges to buildings, a new roof is not just a cosmetic upgrade but a critical improvement that buyers value.

Roofing Hail Damage Warranty Info | Rockford, IL | JM Construction Group LLC

How Does Hail Damage Affect Your Roofing Shingle Warranty in Rockford, IL?

By Justin Swanson • May 3, 2023

Hail storms can be incredibly destructive, particularly when it comes to the roof of your home. The impact of hailstones can cause significant damage to your roofing shingles, which can result in leaks and other costly repairs. If you have a warranty for your roofing shingles, you may wonder how hail damage affects that warranty. In this blog post, we will discuss how hail damage can affect your roofing shingle warranty.