Roof Cost Estimator

Roof replacement quotes are notoriously hard to compare — our free roof cost estimator gives you a data-backed ballpark in under a minute. Enter your roof’s square footage, choose from asphalt shingle, metal, tile, or flat roofing, then dial in pitch, stories, and tear-off for an instant installed range.

A 2,000-square-foot roof can cost $11,000 or $45,000 depending on those five inputs, which is why contractor quotes feel like apples-to-oranges. This tool prices each material at current installed rates and layers on realistic labor adjustments for steep pitches, multi-story homes, and tear-off — so the range you see is grounded in how roofers actually bid. For a firm, on-the-roof number in Chicagoland, we’re one call away.

Aerial view of suburban Illinois homes with shingle roofs — get an instant estimate with our roof cost estimator

Roof Cost Estimator

Instant estimate — materials + labor included


Tip: roofers price by the “square” — 1 square = 100 sq ft. A 2,000 sq ft roof is 20 squares.









Estimated installed cost: $0–$0
  • Materials$0–$0
  • Labor$0–$0
  • Tear-off & disposal$0–$0

Range reflects a complete professional installation. Complex rooflines, premium shingles, deck repairs, and upgraded underlayment can move the final number — call for an exact quote.

Need a Firm Number, Not a Range?

Free roof inspection with photos, measurements, and a written quote.

Call +1 858-399-8124

How It Works

Five inputs, one honest range — here’s how this roof cost estimator thinks:

  1. Measure your roof area. Use the roof surface (not living space). Multiply your home’s footprint by 1.1–1.3 for pitch, or pull the square footage from a previous quote or satellite measurement.
  2. Choose your material. Asphalt shingle is the value leader; metal costs more but outlasts it 2–3×; tile is premium and heavy; flat systems suit low-slope sections and additions.
  3. Set pitch, stories, and tear-off. Each adds a labor multiplier roofers actually use — steep and tall means slower, safety-rigged work; tear-off adds disposal and deck-prep time. Your itemized estimate updates instantly.

What Affects Your Roof Replacement Cost

Change any input in the roof cost estimator above and watch the range move. These are the levers behind it:

  • Material choice. The single biggest lever — asphalt ($4–$7/sq ft) versus tile ($10–$22) can triple the total on the same house.
  • Roof size and complexity. Valleys, dormers, skylights, and multiple penetrations add flashing labor and waste; simple gables price lowest per square foot.
  • Pitch. Walkable low slopes install quickly; steep pitches demand staging, harnesses, and slower shingle or panel placement — 10–25% labor premiums.
  • Stories. Two- and three-story homes add material-hoisting time and fall-protection setup, lifting labor roughly 15–30%.
  • Tear-off and layers. Each existing layer adds $1–$2 per square foot for removal and disposal; three layers can surprise you.
  • Decking condition. Soft or rotted plywood found during tear-off must be replaced — budget a contingency, especially on 20+ year-old roofs.
  • Underlayment and ice shield. In Illinois, code-grade ice-and-water shield at eaves and valleys is non-negotiable — and worth every penny against ice dams.
  • Ventilation upgrades. Ridge vents, baffles, or powered ventilation added during replacement protect shingle warranties and cut attic heat.
  • Season and demand. Late fall often prices best as crews fill schedules; storm seasons spike demand and wait times.
  • Local labor market. Chicagoland and Lake County rates run above national averages — this estimator reflects installed Midwest pricing.

Roof Replacement Cost by Material

Material Installed Cost per Sq Ft Lifespan Best For
Asphalt shingle $4–$7 20–30 years Best value for most homes
Metal roofing $8–$18 40–70 years Long-term ownership
Clay / concrete tile $10–$22 50–100 years Premium and historic homes
Flat (TPO / EPDM) $5–$10 20–30 years Low-slope sections, additions

Asphalt, Metal, or Something Else?

We’ll inspect your roof and recommend the right system for your budget — free.

Call +1 858-399-8124

Roof Cost Estimator FAQs

The questions Illinois homeowners ask us before signing a roofing contract:

For standard architectural asphalt shingles, expect $14,500–$22,000 installed. Across all materials the range widens to roughly $9,000–$45,000+: budget 3-tab shingles start near $9,000–$14,000, while metal or tile on the same house can exceed $40,000.

In Florida’s building code, if more than 25% of a roof section is repaired or replaced within 12 months, the entire section must be brought up to current code. Illinois doesn’t use this exact rule, but many municipalities require full code compliance — including ice shield and ventilation — once you’re doing a full replacement.

Late fall and winter typically offer the best pricing as demand cools — but in Illinois, freezing temperatures limit shingle sealing and crew schedules. Early fall often hits the sweet spot: solid availability, fair prices, and ideal installation weather.

It depends on the job. $30,000 is steep for basic asphalt shingles on a small, simple ranch — but completely normal for a large or steep home, a premium architectural shingle, or any metal roof. Compare the price per square foot and the system being installed, not just the headline number.

Labor is usually the largest line item — tear-off, installation, flashing, and cleanup typically exceed material costs on asphalt jobs. On premium systems like standing seam or tile, the material itself can take the top spot. Hidden deck repairs are the wildcard that blows up budgets.

For asphalt shingles, roughly $5,000–$12,000 installed: 3-tab shingles $5,000–$9,500, architectural shingles toward the higher end. Metal on the same house runs $11,000–$22,000, and tile or slate can reach $15,000–$45,000+.

Comparing metal specifically? Try our Metal Roof Cost Calculator or explore all services from Zuniga Roofing Inc.

Get Your Free Roof Replacement Quote

GAF Certified crews serving Beach Park, Waukegan, and the Greater Chicago area since 2016.

Call +1 858-399-8124

Storm damage? We handle insurance claims too — call +1 858-399-8124 anytime.

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