CCall Home Help
United States guidance50 states + DC context

Choose a cleanup path

Can you clean mold yourself, or should you hire a professional?

EPA says a moldy area smaller than about 10 square feet can often be handled by an occupant, but that size is only one planning factor. DIY is not appropriate merely because a patch looks small: sewage or floodwater, HVAC involvement, hidden growth, major water damage, unsafe materials and occupant health concerns can all move the job beyond a limited cleanup.

If you hire help, ask about relevant experience, training, references, how moisture will be corrected, how occupants and clean areas will be protected, and what is excluded. EPA does not certify mold inspectors or remediation firms, and state or local credential rules must be checked separately.

Put safety before diagnosisPeople with immune suppression, underlying lung disease, asthma, COPD, allergies or other exposure concerns should not assume they are suitable cleanup workers.
Need mold-remediation help?Confirm request and continue to call
Location changes the boundary, not the evidence

Where is the property?

Choose a state and optionally add a city and ZIP. This does not create a separate location page; it makes the limits of the answer visible.

U.S. national guidance

What changes after you choose a location?

Choose a state to make the geographic boundary explicit.

A ZIP helps identify possible assessment and remediation service areas, but it does not prove jurisdiction, address-level coverage or an available mold-remediation professional.

Applies nationallyThe safety and observation sequence on this page is general U.S. guidance.
Must be confirmed locallyState and local mold credentials, building and rental duties, hazardous-material rules, permits, prices and provider availability require current evidence for the exact property.
Separate moisture, exposure and material conditions

Which situation best matches the property?

01

Limited, accessible surface

A small area on an appropriate surface may fit published household guidance if the moisture source is fixed and the worker can be protected.

Notice next: Confirm material, extent and why growth occurred before choosing a method.

02

Porous, layered or hidden material

Complete cleaning, drying and exposure control become harder to verify.

Notice next: Ask how the boundary will be assessed and whether removal is necessary.

03

Vulnerable occupant or complex exposure

Who performs the work and whether occupants remain nearby are separate safety decisions.

Notice next: Discuss individual health concerns with a health professional.

Safe observation

What should you record before the call?

A short, factual description helps the next professional choose the right first inspection without treating a symptom as proof.

The 10-square-foot EPA reference is not a universal safety threshold, license rule or proof that the problem ends at the visible edge.

What to record
  1. Approximate total visible area and number of locations.
  2. Material, porosity and hidden layers.
  3. Moisture source, contaminated-water history and HVAC involvement.
  4. Who would perform the work and which occupants could be exposed.
Stop and get appropriate help
  • Water is contaminated or damage is extensive.
  • Growth may be hidden, inside HVAC or spread across multiple materials or rooms.
  • Cleanup needs demolition, powered tools, specialized PPE or work near electrical, structural, lead or asbestos hazards.
Move from information to action

Who is the useful next contact?

Health professional

Use before cleanup when personal health conditions or symptoms affect participation or occupancy.

Experienced mold-remediation professional

Use for complex, extensive, contaminated, hidden or uncertain conditions.

State or local licensing authority

Use to verify whether assessment or remediation credentials are required in the property jurisdiction.

Check local call availability

Want a mold-remediation professional to inspect the mold or moisture concern?

This guide can help organize the symptoms, but it cannot inspect the property or confirm the repair. Confirm the request details to prepare a call that checks whether a participating provider can accept a new mold assessment or remediation request.

  • Describe what is happening, where you notice it, and when it began.
  • Share safe observations about moisture, visible area and affected materials without disturbing suspected growth.
  • Ask what the visit includes before authorizing work.
Confirm the request, then continue to call

Mold-remediation service availability and job acceptance are confirmed on the call.

Confirm the request
Call Home Help is not the service contractor. If a connection becomes available, calling connects you with a participating third-party provider and we may receive compensation. Availability and job acceptance are confirmed on the call.
Short answers

Questions people ask before the call

Is every area under 10 square feet safe for DIY?

No. Size is one factor; source, material, hidden extent, HVAC, hazards and occupant susceptibility also matter.

Does EPA certify mold companies?

No. EPA says it does not certify or maintain a list of mold inspectors or remediation firms.

Should the same company inspect and clean?

That may be allowed, but ask how assessment findings, conflicts, scope changes and completion decisions will be documented.

Sources and boundaries

What supports this guide?

Educational information only: this page cannot inspect the property, diagnose hidden work, provide legal advice, quote a repair or promise service availability.

Sources support the general guidance shown here. Address-specific rules, responsibility, price and availability still require current local confirmation.

If conditions are unsafe or rapidly worsening, stop troubleshooting and contact the appropriate emergency service or qualified local professional.