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Home / Missouri / Roofing Contractor in St. Louis / St. Louis – Roof Replacement

Roof Replacement in St. Louis, MO

Roof replacement in St. Louis typically costs $9,000 to $25,000, depending on the roof size, pitch, material, and condition. If a storm caused the issue, insurance may cover much of the expense. 

This page explains what drives your total, what replacement involves, and how Storm Guard Roofing provides an itemized estimate after inspection. As your local roofing contractor, we make the process clear.

Roof Replacement Costs in St. Louis

Across St. Louis, a full replacement usually depends more on the house than the contractor. If only one area has failed, a targeted roof repair is often the better option. If storm damage affects a home in Chesterfield, roof replacement may be necessary when damage extends across multiple roof slopes or the existing roof is nearing the end of its service life.

For full replacements, Storm Guard Roofing provides pricing after a documented roof inspection, not a guessed-at estimate over the phone.

Aerial view of contractors performing a complete residential roof replacement in St. Louis by Storm Guard

By House Type

The cost of roof replacement in St. Louis, MO varies by house type, roof design, and material.

  • 1,200‑square‑foot ranch: Typically toward the lower end.
  • 1,900‑square‑foot home with dormers: Often falls in the middle because dormers and valleys add complexity.
  • Two‑story home: Usually costs more because of the added roof area and access.
  • Slate or tile roof: Can exceed typical ranges because materials and specialized installation cost more.

These are just typical ranges. Your actual price is confirmed after inspection.

What Moves the Price

Several factors can change the final cost of a roof replacement. Square footage, roof pitch, the number of layers to remove, dormers and valleys, decking condition, roofing material, and site access all play a role. Two homes of the same size can have very different replacement costs, which is why an inspection is essential before you receive an itemized estimate.

roof repair shingle replacement
Storm Guard roof replacement in progress in St. Louis

Material Step-Up

Most St. Louis roofing replacements use architectural shingles, which generally last longer than older three‑tab shingles. A Class 4 impact‑resistant shingle is another option. It can provide added protection against hail, and some insurers may offer discounts for qualifying roofs. We can price both options so you can compare the upfront cost with the potential long‑term value.

Timing

Timing can affect your project schedule more than the price. Late autumn and winter often provide more scheduling flexibility, while demand increases after major spring hailstorms. Scheduling your roof replacement early can give you more options without relying on a seasonal discount. 

roof replacement

The Insurance Path, and Why Free Roof Offers Are a Warning Sign

When storm damage occurs, the insurance process follows a clear path. Your coverage, deductible, and the extent of the damage determine what the insurer pays.

The Legitimate Path

A typical storm-damage claim follows these steps:

  1. Storm damage occurs: Wind or hail damages the roof.
  2. You file a claim: Your insurer opens the claim and schedules an inspection.
  3. The adjuster inspects: The insurer evaluates the damage and determines covered repairs.
  4. Storm Guard documents the damage: We provide storm damage claim documentation, including dated photos and measured test squares.
  5. The insurer determines payment: Your coverage and deductible determine what the insurer pays.

Missouri law keeps the decision on coverage and claim negotiation between you and your insurer. Our role is to clearly document the roof’s condition, support a documented claim, and help you understand the repair process.

ACV vs. RCV

One of the biggest variables on an older roof is whether your policy pays replacement cost value (RCV) or actual cash value (ACV).

  • RCV pays the full replacement cost after your deductible.
  • ACV deducts for age and wear, which can mean thousands less in coverage for the same roof and storm.

This difference can be significant, even when the deductible and damage are identical. Before filing a claim, review your declarations page to see whether your policy uses RCV or ACV, so you know what to expect.

Why 'Free Roof' Is a Red Flag

You may see “free roof” offers after major storms. It’s important to know what those offers really mean before you sign anything.

  • Your deductible still matters: A legitimate insurance‑funded replacement generally requires you to pay your policy’s deductible.
  • Be cautious about deductible waivers: Missouri law restricts contractors from waiving or absorbing insurance deductibles.
  • Check the company's credentials: Confirm licensing, insurance, warranties, and local business information before signing an agreement.
  • Review Ordinance and Law coverage: Standard policies may not automatically cover the cost of bringing an older roof up to current building codes. Checking this coverage helps avoid surprises.

Understanding your coverage and the contractor’s terms helps you make a confident, informed decision after a storm.

Our Roof Replacement Process

Storm Guard Roofing, the roofing contractor St. Louis homeowners call for full replacements, runs every job on a clear replacement process. Most homes are completed in one to three days, depending on the project.

01

Inspection and Assessment

We inspect and document the whole roof, and if a storm is involved, we capture the evidence your insurer will want before the tear-off.

02

Itemized Estimate

You receive an itemized estimate that includes materials, labor, and the project scope. This gives you a clear basis for comparing estimates.

03

Material Selection

We help you compare shingle options, colors, and Class 4 impact‑resistant shingles. Your selection is confirmed before materials are ordered.

04

Tear-Off and Decking Check

We tear off the old roof down to the decking and check what is underneath. This is the one moment a price can legitimately change, because rotten decking is not visible until the old roof is gone. If we find it, we'll show it to you and price it before continuing.

05

Installation

We install the new roofing system according to manufacturer specifications, including protective underlayment, ice and water barriers, drip edge, shingles, flashing, and ridge ventilation.

06

Final Inspection and Cleanup

We complete a thorough final inspection, clean your property, and run a magnet sweep to collect stray nails and debris before we leave. Your home is left orderly and ready to enjoy.

Storm Guard Truck with staff

Why St. Louis Homeowners Choose Storm Guard Roofing

  • Industry Credentials: Storm Guard Roofing is an Owens Corning Platinum Preferred Contractor and a VELUX Certified Installer.
  • Local Experience: We have served St. Louis homeowners since 2014 from our Fenton office.
  • Warranty Coverage: Our replacement projects include a written workmanship warranty in addition to the applicable manufacturer's warranty.
  • Flexible Payment Options: Our payment options can help you plan for your new roof with greater confidence.

Whether you need roof replacement in Chesterfield due to storm damage, an aging roof, or recurring leaks, Storm Guard Roofing provides thorough inspections, clear recommendations, and dependable installation. We also serve nearby communities such as Clayton, Ballwin, and St. Louis, helping homeowners understand their roofing options and make informed decisions about a full replacement. 

Ready for a clear estimate? Schedule a trusted consultation or call (636) 778-9562 today.

Quality exterior workmanship

Trusted Workmanship, Proven Over Time

Lasting quality is never an accident. With over two decades of experience, Storm Guard applies proven practices and trusted materials to every project.
  • No Shortcuts - Each installation is carried out with precision and care.
  • Materials that Matter - We rely on products selected for durability and long-term value.
  • Experienced Guidance - Our trained teams and project managers bring clarity to every step.
  • Tailored Solutions - We adjust our approach to the specific needs of your home.
  • Respect for Your Home - We leave each site clean and cared for, as if it were our own.

CERTIFICATIONS & AFFILIATIONS

OUR REVIEWS

WHAT OUR CUSTOMERS SAY

FREQUENTLY ASKED QUESTIONS

The cost of a full roofing project in St. Louis varies depending on roof size, pitch, material, layer count, and decking condition. For homeowners comparing options, an inspection provides the most accurate estimate.

If a covered storm caused the damage, insurance may cover the replacement. Missouri does not have a matching law, so an insurer may pay only for the damaged portion. Your policy also determines whether you receive replacement cost or actual cash value.

A “free roof” offer may involve a contractor waiving or absorbing your deductible. Missouri law restricts this practice. With a legitimate insurance-funded replacement, you are generally responsible for your deductible.

Late autumn and winter are often less busy and may offer more scheduling flexibility. Demand can increase after spring hailstorms, so planning ahead can give you more options.

Most residential St Louis roofing projects can be completed in one to three days, weather permitting. Steep pitches, multiple layers, complex rooflines, and decking repairs can add time to the job.

For residential roofing in St. Louis, MO, homeowners may need Class 4 impact-resistant shingles for added protection in a hail-prone area. Some insurers also offer discounts for qualifying roofs. We can help you compare both options, so you understand the costs and benefits.

We show you the damaged decking, document it, and explain the repair cost before continuing. Because decking is hidden beneath the existing roof, its condition may not be known until the tear-off begins.

EXTERIOR CONFIDENCE

A well-informed decision starts with a clear understanding of your property. Our experienced team will carefully evaluate your home’s exterior, explain what we find, and provide straightforward recommendations tailored to your needs. With thoughtful guidance, you’ll know exactly how to move forward with confidence.
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