How Can I Find a Water Leak Inside a Wall or Ceiling?

Start with what you can see and smell. Look for brown stains, bubbling paint, warped drywall, or a musty odor in the wall or ceiling. If water is active, shut off the nearest fixture’s valve. Lanz uses state-of-the-art leak detection to find hidden leaks quickly and accurately, and offers minimally invasive repairs, including trenchless options for underground lines. We provide 24/7 emergency response in areas like Champaign, Urbana, and Saint Joseph.

• Check for stains, swelling, or soft spots.
• Listen for a hiss/drip.
• Shut off nearby valves.

Updated: 2025-11-24

Need help in Saint Joseph, IL? Call 217-559-9454 or book online.

"Quickly identified an upstairs leak, and fixed it just as quickly." — Alex H.