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Illinois · Local pricing guide

Roof Replacement Cost in Monmouth, Illinois: What to Expect

Typical installed range — full replacement
$5,300 – $22,500

A full roof replacement in Monmouth typically runs $5,300 – $22,500 installed — $400 – $1,000 per square (100 sq ft) — including tear-off, permits, and local labor.

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Price reference · Reviewed June 2026

Roofing cost by material.

Installed price ranges for a full roof replacement in Monmouth, adjusted for local labor and code. Linked materials have a dedicated city guide.

  • Architectural shingle roof
    Dimensional laminated shingles — the U.S. default
    $7,100 – $14,500
  • 3-tab shingle roof
    Entry-level asphalt
    $5,300 – $9,400
  • Standing-seam metal roof
    Concealed fasteners, 40–70 year service life
    $13,500 – $35,500
  • Corrugated metal roof
    Exposed-fastener panels
    $7,100 – $18,000
  • Flat roof membrane
    TPO, EPDM, or PVC for low-slope sections
    $4,500 – $13,500
  • Tear-off & disposal
    Removing the old roof, dumpster included
    $900 – $2,700
  • Permits & inspection
    Varies by municipality
    $225 – $900

* Ranges adjusted for Monmouth's tier and median income — verify with an on-site quote.

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Build your Monmouth estimate

Adjust the inputs below. The range updates live and is adjusted for Monmouth's labor market —-11% vs national avg.

Your estimate
$7,700–$15,000
for Monmouth, Illinois · -11% vs national avg

Indicative range based on Monmouth-adjusted rates. Deck condition, flashing, and contractor overhead may shift the final invoice. Get written quotes from licensed roofing contractors before signing.

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Before you sign: the quote checklist

  • Get quotes from at least 3 licensed roofing contractors in Monmouth.
  • Make sure every quote itemizes tear-off, underlayment, flashing, and disposal.
  • Verify licensing and insurance before hiring — ask for certificates, not promises.
  • Ask about both the material warranty and the workmanship warranty — they differ.
The local picture

Roof Replacement in Monmouth: what matters

Monmouth, Illinois, sits in a region where weather patterns—from spring hailstorms to winter snow loads—put roofs to the test. Many homes in older parts of town date back to the early 1900s, with steep-slope asphalt shingle roofs that eventually need replacement. Newer subdivisions often feature architectural shingles, but even these can show wear after a few decades. Understanding what drives roof replacement costs in Monmouth helps you plan for this major home expense. This guide covers local climate impacts, housing stock realities, and state-level requirements so you can approach your project with confidence.

Cost factors

Why Roof Replacement Costs Vary in Monmouth

Several factors unique to Monmouth influence roof replacement costs. The local climate brings hail, high winds, and freeze-thaw cycles that can accelerate wear on shingles. Homes in older parts of town often have complex roof designs with multiple valleys and dormers, increasing labor time. Newer subdivisions may have simpler layouts but require compliance with the state of Illinois's building code, which has specific wind uplift and ice dam protection requirements. Labor availability in western Illinois can affect scheduling, and disposal of old materials adds to costs. Permits from your local building department are typically required, and fees vary. All these elements combine to create a range of project costs.

Monmouth by the numbers

U.S. Census Bureau · ACS
10,855
Population
3,217
Homeowners
75% own
$100,600
Median home value
$62,679
Median income
1955
Median home built
≈ 71 yrs old
4,821
Housing units

3,217 homeowner households, median home built 1955 — a housing stock where many roofs are at or past their service life. Local labor sets the rate roofers charge in Monmouth.

Field notes

Common Issues

  1. Hail Damage

    Monmouth experiences hailstorms that can bruise asphalt shingles, granule loss, and create punctures. Over time, repeated hail hits weaken the roof's waterproofing, leading to leaks and the need for full replacement.

  2. Wind-Lifted Shingles

    Strong winds common in the region can lift and curl shingle edges, breaking the seal strip. This exposes the underlayment to moisture and can cause progressive damage that makes replacement necessary.

  3. UV Degradation

    Intense summer sun in Illinois accelerates UV breakdown of asphalt shingles. Shingles become brittle, crack, and lose granules, reducing their ability to shed water and protect the home.

  4. Ice Dams

    Winter snow and freeze-thaw cycles can create ice dams at the eaves. Trapped water backs up under shingles, damaging the roof deck and interior ceilings. Repeated ice dam issues often require a new roof with proper ventilation and ice barrier.

  5. Algae and Moss Growth

    Humid conditions in Monmouth can promote algae and moss on north-facing roof slopes. While not immediately damaging, moss lifts shingles and retains moisture, leading to rot and shortened roof life.

Nearby coverage

Roof Replacement pricing near Monmouth

Q&A

Roof Replacement cost questions — Monmouth

What factors affect roof replacement cost in Monmouth?

Costs depend on roof size, slope, complexity, and material choice. Local climate factors like hail and wind may require impact-resistant shingles, which cost more. Labor rates in western Illinois, disposal fees, and permit costs from your local building department also play a role. Older homes may need deck repairs, adding to the total.

How do I choose a roofing contractor in Monmouth?

Look for contractors who are licensed in Illinois and carry liability insurance and workers' compensation. Ask for references from recent local jobs and check their standing with the Better Business Bureau. Get multiple written estimates and compare scope, not just price. Avoid contractors who require full payment upfront.

Does Illinois require a license for roofing contractors?

Illinois does not have a statewide roofing license, but contractors must meet state contractor licensing requirements if they perform work over a certain value. Local municipalities may have their own licensing or registration. Always verify that your contractor is properly insured and bonded.

When is the ideal time to replace a roof in Monmouth?

Late spring through early fall offers the most consistent weather for roof installation. Temperatures are moderate, and shingles seal properly. Avoid winter months when cold temperatures can affect adhesive performance, though some contractors work year-round with proper precautions.

Do I need a permit for roof replacement in Monmouth?

Yes, most roof replacements require a permit from your local building department. The contractor typically pulls the permit, and the fee is included in the estimate. Permits ensure the work meets the state of Illinois's building code and passes inspection.

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Call (855) 000-0000