Navigating Local Building Codes & Permits for IL & MO Home Exterior Projects

Most homeowners only replace a roof once or twice in their lifetime. So when it’s time for a new roof, siding, or gutters, it’s natural to have questions about permits, inspections, and local building codes.

One of the most common questions we hear is:

“Do I really need a permit?”

In many cases, the answer is yes—but the requirements can vary depending on where you live and the type of work being completed.

Understanding the process ahead of time can help your project move more smoothly and give you confidence that the work is being completed according to local requirements.

Why Are Building Permits Required?

Building permits help local municipalities verify that construction projects meet adopted building codes and safety standards.

For roofing projects, permits often include inspections to help confirm that work is completed according to applicable local requirements. These inspections can benefit homeowners by documenting that the project was performed in compliance with the standards enforced by their community.

While permits may seem like an extra step, they also help ensure the work can be inspected before the project is considered complete.

Does Every Roofing Project Require a Permit?

Not always. Permit requirements vary from one city to another, but many municipalities distinguish between routine repairs and larger construction projects. Because every municipality has its own requirements, it’s important to verify what’s needed before work begins.

For example, replacing a few damaged shingles after a storm may not require a permit in some communities. Replacing an entire roof, installing new siding, or completing major structural repairs often does.

A Tale of Two States: Illinois vs. Missouri Building Codes

One thing many homeowners don’t realize is that there isn’t one set of roofing rules for the entire Midwest. Illinois and Missouri each have their own approach to building regulations, and local communities often have additional requirements.

In Illinois, permits are generally issued by individual cities or counties, with each municipality establishing its own application process, fees, and inspection requirements.

Missouri also relies heavily on local jurisdictions. Many communities adopt versions of national model building codes, while others have their own amendments and procedures.

That means the permitting process in one town may look very different from the process just a few miles away.

Who Pulls the Permit?

In most cases, your roofing contractor will obtain the required permits before work begins.

A contractor familiar with local requirements can help coordinate the application process, schedule inspections when needed, and answer questions along the way.

If you’re interviewing contractors, don’t hesitate to ask:

  • Will you obtain the required permits?
  • Will inspections be scheduled for me?
  • Are permit fees included in my estimate?
  • What should I expect before work begins?

Clear answers to these questions can help you understand the process before your project starts.

What Happens After a Permit Is Issued?

Once a permit has been issued, many roofing projects require one or more inspections by the local building department. These inspections help verify that the work meets the building code adopted by your municipality.

Depending on your community and the scope of the project, inspections may take place during construction, after the work is completed, or both.

If the inspector requests additional information or minor corrections, your contractor should explain what needs to be addressed and coordinate any required follow-up before the project is finalized.

Storm Damage and Insurance Claims

After severe weather, homeowners often wonder whether storm damage will require repairs or a full roof replacement. Every situation is different.

If you choose to file an insurance claim, having clear documentation of the observed damage can help everyone involved understand the condition of the roof.

A knowledgeable contractor can explain the damage they observed, answer technical questions during the adjuster inspection, and discuss repair or replacement options based on your roof’s condition.

Ultimately, coverage decisions are made by your insurance company according to your policy.

Our Approach at Edwards & Sons Roofing

Since 1974, Edwards & Sons Roofing has helped homeowners throughout Southern Illinois and the St. Louis Metro East navigate roofing projects with straightforward communication and honest recommendations.

Every project begins with an honest and thorough inspection. If a repair is the appropriate solution, we’ll explain that option. If a replacement makes more sense, we’ll explain why.

If permits are required, we’ll guide you through the process and coordinate the necessary paperwork so you know what to expect before work begins. Our goal is simple: provide clear information so you can make the decision that’s right for your home.

Frequently Asked Questions

How much does a roofing permit cost?

Permit fees vary by municipality and are typically based on the size or value of the project. Your contractor should explain any permit costs before work begins.

How long does permit approval take?

Approval times depend on the local building department. Some permits are issued quickly, while others may take longer depending on workload and project complexity.

Can work begin before the permit is approved?

Generally, no. When a permit is required, it’s typically best to wait until it has been issued before construction begins.

What if additional damage is found during the project?

Occasionally, hidden damage isn’t visible until roofing materials are removed. If that happens, your contractor should explain what was found, discuss your options, and let you know whether additional approvals or inspections are needed.

Start Your Project with Confidence

Building permits don’t have to be confusing.

Whether you’re planning ahead or dealing with storm damage, understanding the permitting process can help you avoid surprises and keep your project moving forward.

At Edwards & Sons Roofing, we believe homeowners deserve honest answers before they make important decisions. Whether your project needs a simple repair or a complete replacement, we’re here to help you understand your options and move forward with confidence.

Get A Free Roof Inspection