How to Get Rid of Mold in Your House

Finding fuzzy patches or catching a musty smell is unsettling, but mold in a home is a common problem with a clear logic behind it. Mold needs moisture to grow, so getting rid of it is really about two jobs: removing what is already there and shutting off the water that fed it. Skip the second job and the spots come right back.

Here is how to think through it room by room.

Start With the Moisture, Not the Stain

The single most important step happens before you touch the mold: find out why that surface stayed damp. Wiping a patch off a wall does nothing if a slow leak keeps re-wetting it.

Common sources to check include:

• A dripping supply line or drain under a sink
• Roof or window leaks that show up after rain
• Condensation on cold pipes, windows, or exterior walls
• A bathroom or kitchen that never fully dries out because ventilation is weak
• High indoor humidity, especially in closets, basements, and crawl spaces

Fix the leak, improve airflow, or bring humidity down first. Only then does cleaning make lasting sense.

Clean Small Spots Safely, Replace What Soaked Through

For a small patch of surface mold on a hard, non-porous material like tile, glass, sealed countertop, or finished metal, careful cleaning is often reasonable for a homeowner.

Work safely:

• Wear gloves, eye protection, and an N95-style respirator
• Open a window or run a fan to fresh air, not into other rooms
• Wipe gently so you are not sending a cloud of spores into the air
• Let the surface dry completely when you are done

Porous materials are different. Drywall, ceiling tile, insulation, carpet, and padding soak moisture and mold deep into their structure, where surface cleaning cannot reach. When those materials are visibly moldy or have been wet for a while, the right move is usually to cut them out and replace them, not scrub them.

A couple of honest limits worth knowing: no cleaning removes every spore from the air, and bleach is not a cure for the underlying moisture. Drying and source repair do the real work.

When to Call a Professional

Some situations are simply bigger than a spray bottle. Reach out for professional help when you see:

• Mold covering a large area, or spreading across several spots
• Growth you suspect is hidden inside walls, under floors, or above ceilings
• A strong musty odor with no visible source
• Mold following a flood, sewage backup, or long-running leak
• Anyone in the home with breathing sensitivities

Professionals set up containment to keep spores from traveling, use proper protective gear, remove affected materials safely, and dry the space thoroughly so it does not return.

Keep It From Coming Back

Once things are dry and clean, a few habits go a long way:

• Run exhaust fans during and after showers and cooking
• Address leaks and drips the day you notice them
• Keep indoor humidity in a comfortable, moderate range
• Let air move through closets and low-traffic rooms

Mold is manageable when you treat the cause, not just the stain. If the problem is large, hidden, or keeps returning, Tri Tech serves Burbank and Greater Los Angeles 24/7. Reach our 24-hour line and we will help you find the source and handle it safely.