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How Much Does Roof Replacement Cost in Illinois?

March 2026 6 min read

If you're a homeowner in Illinois considering a roof replacement, one of the first questions on your mind is likely: how much is this going to cost? The answer depends on several factors, and understanding them can help you make an informed decision.

The biggest factor in roof replacement cost is the size of your roof. Roofing is measured in 'squares' — one square equals 100 square feet. A typical 2,000 square foot home might have a roof area of 2,200 to 2,800 square feet depending on the pitch and overhangs. Larger roofs require more materials and labor, which increases the total cost.

Roof pitch (steepness) also plays a significant role. Steeper roofs require more safety equipment, take longer to install, and use more materials per square foot. A low-slope roof is generally less expensive to work on than a steep 12/12 pitch roof.

Material selection is another major cost factor. Standard 3-tab shingles are the most affordable option, while architectural shingles offer better appearance and durability at a moderate price increase. Premium options like designer shingles, metal roofing, or DaVinci composite tiles cost more upfront but can last 50+ years.

The condition of your existing roof matters too. If your roof has multiple layers of old shingles, extensive damage, or rotted decking underneath, the cost will be higher due to additional removal and repair work.

At Primetime Exteriors, we provide transparent, detailed estimates so you know exactly what you're paying for. We never add hidden fees or surprise charges. The best way to get an accurate cost for your specific home is to schedule a free inspection — we'll measure your roof, assess its condition, and provide a written estimate at no cost to you.

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