How Much Does a New Roof Cost in Will County, Illinois? (2025 Pricing Guide)

Will County, Illinois homeowners in Mokena, New Lenox, Homer Glen, Joliet, Lockport, Plainfield, and Romeoville face different roofing cost factors than their neighbors in Cook County or Indiana. This guide gives you accurate 2025 pricing for your area.

The Short Answer for Will County

• Asphalt shingles: $10,500 – $24,000
• Metal roofing: $20,000 – $36,000
• Average Will County home: 1,700–2,400 sq ft | 19–27 roofing squares

Will County homes — particularly in the fast-growing communities of New Lenox, Mokena, and Homer Glen — tend to be larger than Lake County Indiana homes, which pushes the average cost higher.

Professional inspection ensures no damage goes undetected

Why Will County Costs Are Different from the National Average

National roofing cost calculators typically use an average that doesn’t reflect:

• Local labor rates: Will County labor runs slightly higher than rural Indiana markets
• Home sizes: Will County’s newer suburban developments have larger footprints and more complex rooflines
• Permit costs: Will County municipalities each have their own permit fee schedules
• Material transportation: Materials delivered to western Will County suburbs carry slightly higher delivery costs

Material Pricing in Will County

GAF Architectural Shingles
The dominant residential choice in Will County. Most New Lenox, Mokena, and Homer Glen homes use GAF Timberline HDZ or equivalent — running $95-$135 per square for materials. Full system cost including all accessory products: $155-$215 per square.

Impact-Resistant Shingles
Will County sits in a documented high-frequency hail corridor. Class 4 impact-resistant shingles cost $25-$45 more per square but can qualify for insurance discounts that partially offset the premium. Worth discussing at your estimate.

Metal Roofing
Growing in Will County’s premium communities. Standing seam systems run $375-$625 per square installed.

Quality materials and expert installation make the difference

Will County Permit Information

Each Will County municipality manages its own building permits for roofing:

• Will County Land Use Department: (815) 774-7940
• Typical permit cost: $150–$450
• Typical timeline: 5–10 business days

Municipalities like Mokena, New Lenox, Homer Glen, Joliet, and Lockport all have separate building departments. Alamo holds an unlimited Illinois roofing license and handles all permit applications and inspections for Will County projects.

Alamo Roofing serves Lake County, Porter County & northern Illinois

Real Cost Examples from Will County

Example 1: Mokena ranch home
1,800 sq ft, 21 squares, 6/12 pitch, architectural shingles
Total: $13,500 – $16,500

Example 2: New Lenox two-story
2,400 sq ft, 28 squares, 8/12 pitch, architectural shingles with full ice/water shield
Total: $19,000 – $23,000

Example 3: Homer Glen estate
3,200 sq ft, 38 squares, complex roofline, standing seam metal
Total: $32,000 – $42,000

Insurance Claims in Will County

Will County averages 3-5 significant hail events per year — one of the highest frequencies in Illinois. If your roof has been hit by hail or wind, your homeowners insurance likely covers replacement. Alamo provides free damage documentation and full adjuster coordination for Will County homeowners.

Get your free Will County roof estimate. Call (219) 248-2194 or schedule online.