A new roof is one of the bigger investments you'll make in your home, and "how much does it cost?" rarely has a one-number answer. For most single-family homes across Chicago's south and southwest suburbs and Northwest Indiana, a full roof replacement in 2026 lands somewhere between $9,000 and $30,000+. That's a wide range on purpose. Below we break down exactly what moves the price up or down, give realistic ranges by roof size and material, and explain how to get a quote you can actually trust.
What Actually Drives Roof Replacement Cost
Two homes on the same street can get very different quotes. Here are the factors that explain why.
- Roof size (measured in "squares"). Roofers price by the square, which equals 100 square feet of roof surface, not floor space. A steep or complex roof has more surface than the home's footprint suggests.
- Material. This is the single biggest lever. Basic 3-tab asphalt is the cheapest; architectural (dimensional) shingles cost more but last longer; metal sits at the top.
- Pitch and complexity. Steep roofs need extra safety setup and slow the crew down. Dormers, valleys, hips, skylights, and chimneys all add labor.
- Tear-off and number of layers. Removing one old layer is standard. If you have two or three layers, disposal and labor climb. Code in most local jurisdictions limits you to two layers, so a third layer means a full tear-off.
- Decking condition. Crews don't know what's under the shingles until they're off. Rotted or sagging plywood/OSB has to be replaced, often $70–$120+ per sheet.
- Permits, underlayment, flashing, and ventilation. A proper job includes ice-and-water shield (important in our freeze-thaw winters), new flashing, drip edge, ridge vent, and a permit where required.
2026 Roof Replacement Price Ranges by Size
These ranges assume a single-layer tear-off and quality architectural shingles, the most common choice in our area. Estimates vary by pitch, complexity, and decking surprises — try our free roof cost estimator or request an on-site quote for your exact home.
| Roof size (squares) | Approx. roof area | Typical 2026 range |
|---|---|---|
| 15 squares | ~1,500 sq ft | $8,000 – $14,000 |
| 20 squares | ~2,000 sq ft | $11,000 – $19,000 |
| 25 squares | ~2,500 sq ft | $13,000 – $24,000 |
| 30 squares | ~3,000 sq ft | $16,000 – $29,000 |
Cost by Roofing Material
Material choice changes both the upfront price and how long the roof lasts. Here's how the common options compare, installed, in 2026.
| Material | Installed cost per sq ft | Typical lifespan |
|---|---|---|
| 3-tab asphalt | $3.50 – $5.50 | 15–20 years |
| Architectural (dimensional) shingle | $4.50 – $7.50 | 25–30 years |
| Standing-seam / metal | $9.00 – $16.00 | 40–70 years |
For most homeowners here, architectural shingles are the sweet spot: noticeably more durable and wind-resistant than 3-tab, without the premium of metal. Metal makes sense if you plan to stay long-term or want the longest lifespan. These are estimates — get a free quote for a firm number.
Signs You May Need a Replacement (Not Just a Repair)
Not every problem means a full replacement. But if you're seeing several of these, it's time to have it looked at:
- Shingles that are curling, cracking, or losing granules (you'll see grit in the gutters)
- Bald spots or missing shingles after a wind or hail storm
- Daylight or water stains in the attic, or sagging in the roof deck
- Active leaks, especially around chimneys, valleys, and skylights
- A roof that's simply at the end of its rated life
After a major storm, hail and wind damage may be covered by your homeowner's insurance. We handle storm and insurance claim inspections and can tell you honestly whether you're looking at a repair or a replacement.
How to Get an Accurate Quote
Online calculators are a great starting point, but a real number comes from someone on your roof. A trustworthy estimate should be itemized, listing tear-off, decking allowance, underlayment, flashing, ventilation, cleanup, disposal, the permit, and the workmanship warranty. Be cautious of a quote that's dramatically lower than the rest; it often means a layover instead of a tear-off, no ice-and-water shield, or unlicensed labor.
We serve homeowners across the south and southwest suburbs — including Orland Park, Tinley Park, Oak Lawn, Oak Forest, Mokena, and Frankfort — as well as Northwest Indiana towns like Hammond, Munster, Schererville, and Crown Point. See our full service area to confirm we cover your town.
Ready for a real number on your roof? Call or text GRA General Home Services at (708) 852-8357 for a free, no-pressure estimate. We're licensed, insured, and bilingual (English/Spanish).