Mold Compass Free mold guidance and practical resources

Clear answers. Healthier homes.

A clear way
through mold.

Understand what you’re seeing.
Find the next step for your home.

Find my starting point Explore all home locationsRooms, surfaces, and hidden moisture
From the attic to the crawlspace. Choose a label to open its guide.

Start with what you know

What brought you here?

All home locations

Find your location guide.

Choose a room, surface, or moisture source.

Surfaces and hidden sources.

Explore guides for walls, floors, roofs, and the places you can’t see.

Practical guidance for real homes

Know what matters. Skip the guesswork.

Straightforward, source-backed resources to help you take the next right step.

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From concern to a plan

Take it one step at a time.

Address immediate electrical, structural, contaminated-water, and medical hazards first. Then follow the moisture.

  1. Find the moisture source

    Trace the leak, condensation, or humidity feeding growth.

  2. Size the problem

    Document the damage and decide whether the job needs a professional.

  3. Clean or remove safely

    Choose a method for the material without spreading contamination.

Guidance close to home

Every home has a story.
Start with your state.

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Local resources, renter information, and climate context for where you live.

From questions to decisions

A little help with
the next step.

Useful tools for planning the work, comparing estimates, and finding help.

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Guidance for your situation

Your home. Your next move.

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From the blog

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Before you spend money

Good questions.
Grounded answers.

Fix the moisture, document the damage, and size the affected area. Then decide what help you need.

Can a mold problem get worse if I wait?

Yes. If moisture keeps feeding growth, a small issue can spread behind walls and into new areas. Acting early usually means fewer repairs, lower cost, and less disruption.

Should I test for mold before cleaning it?

Often, no. If mold is visible, EPA guidance says sampling is usually unnecessary. Start by fixing moisture and sizing the damage. Consider qualified, independent testing only when the result will answer a defined contractual, dispute, or verification question after visual and moisture inspection.

Can I clean up mold myself?

A small, contained area may be manageable after the moisture source is fixed, if you can use appropriate protection and safely remove damaged material. Get qualified help for extensive growth, contaminated water, HVAC involvement, structural damage, recurring mold, or vulnerable occupants.

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