Top Mold Remediation Companies In Portland, Maine For 2027

Maine’s humid summers, long winters and older housing stock make mold a common problem around Portland. Damp basements, poorly vented attics, crawl spaces and any water damage that was not fully dried are the usual sources.

The companies below inspect, contain and remove mold and fix the moisture behind it across Greater Portland.

Portland, Maine Mold Remediation At A Glance

Company	Base	Known For	Best For
Green Home Solutions of Portland	Portland area	EPA-registered, low-toxicity products	Air quality testing and odors
SERVPRO of Portland, South Portland and The Sebago Lake Region	Gorham	24/7 mold remediation	Mold after water damage
Paul Davis Restoration of Greater Portland ME	Falmouth area	Residential and commercial remediation	Schools, offices and homes
All Dry Services of Southern Maine	South Portland	Drying plus mold remediation	Damp basements
PuroClean of Auburn	Auburn	Mold removal serving Portland	Homes north and west of the city

Best Mold Remediation Companies In Portland, Maine

1. Green Home Solutions of Portland: Air Quality Testing With Low-Toxicity Treatments

Green Home Solutions uses EPA-registered, environmentally friendly products and starts with an inspection to find hidden mold and moisture. It also offers air quality testing, odor treatment, crawl space encapsulation and duct cleaning, backed by a national brand with more than 20 years in the business.

2. SERVPRO of Portland, South Portland and The Sebago Lake Region: Round-The-Clock Remediation And Drying

This family-owned SERVPRO offers emergency mold remediation 24 hours a day, 365 days a year, and removes the excess moisture that lets mold return. A natural choice when mold follows a leak or flood.

3. Paul Davis Restoration of Greater Portland ME: Residential And Commercial Remediation

Paul Davis provides 24/7 mold remediation for homes and for commercial buildings such as offices, schools and healthcare facilities across Greater Portland, and can handle repairs afterward.

4. All Dry Services of Southern Maine: Moisture Extraction For Damp Basements

All Dry pairs mold remediation with industrial drying equipment, which suits basements and lower levels where damp air is the root cause. It has served southern Maine since 2014.

5. PuroClean of Auburn: Mold Removal For Greater Portland

PuroClean of Auburn, operated by Brandon Burns and Eleanor Terlecki, provides mold removal and remediation for Portland homeowners alongside water and fire restoration.

How To Choose A Mold Remediation Company In Portland, Maine

Do they find the moisture source?

Removing mold without fixing the leak, humidity or ventilation problem means it comes back. Ask how they find and address the cause.

How do they contain the work area?

Proper remediation uses containment and negative air pressure so spores do not spread through the house during removal.

Is testing independent?

Some homeowners prefer a separate inspector for before and after air testing, so the company removing mold is not also grading its own work.

What happens to affected materials?

Porous materials like drywall and insulation often need removal. Ask what will be removed and replaced and who handles the rebuild.

Is any of it covered by insurance?

Mold from a sudden covered leak may be included in a claim, while mold from long-term humidity usually is not. Check before work starts.

Conclusion

Mold in a Portland home almost always traces back to moisture. Pick a company that finds and fixes the source, contains the work properly and verifies the result.