Don’t Ignore these Warning Signs that Your Roof Is Leaking

JLN Roofing & Construction • 3 October 2025
Two-story house with tan siding, brick facade, arched windows, and a two-car garage. Green lawn with landscaped garden.

A leaking roof is an urgent issue. Even a small leak can lead to major damage if left unaddressed, affecting your home’s structure, insulation, and interior surfaces. Because roof leaks often start small and worsen over time, recognizing the early warning signs is essential to preventing costly repairs. At JLN Roofing & Construction, we provide expert roof leak detection and repair in the greater Springfield, OR area. If you notice any of the following signs, it’s time to contact a roofing professional before the problem escalates.


Water Stains on Ceilings or Walls

One of the most common signs of a roof leak is the appearance of brown or yellowish stains on your ceilings or walls. These stains usually indicate that water has penetrated your roofing system and is seeping into your home. The location of the stain doesn’t always directly match where the leak is occurring, as water can travel before showing up inside. Prompt attention is crucial to prevent mold growth and further water damage.


Damp or Musty Odors

If you notice a persistent musty smell in your attic or upper floors, it could be a sign that moisture is entering through a leaky roof. Damp insulation, wood, or drywall often develops a mildew-like odor when exposed to water. Even if you can’t see visible damage, these smells should not be ignored. They can signal hidden leaks that are slowly compromising your home’s structure and indoor air quality.


Missing or Damaged Shingles

Your roof’s shingles form the first line of defense against rain and moisture. If shingles are cracked, curled, or missing entirely, water can easily find its way underneath. After heavy storms, it’s wise to inspect your roof from the ground for any visible signs of damage. Replacing damaged shingles promptly can help you avoid leaks before they become serious.


Mold or Mildew Growth

Mold or mildew appearing on your walls, ceilings, or in the attic often points to a moisture problem, which may stem from a roof leak. Mold thrives in damp environments and can spread quickly, posing health risks and damaging your home’s materials. If you spot mold growth, it’s important to identify the source of the moisture and have the roof inspected immediately.


Roof Leak Repair in Springfield, OR

For roof repair in Springfield, OR and the surrounding area, contact JLN Roofing & Construction at 541-237-8311. Feel free to give us a call to ask for an estimate for roofing services in greater Springfield, OR!