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Mold Removal in Lexington, MA

You can call to discuss mold removal for a home, rental, or business in Lexington.

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  • Moisture source checked first
  • Containment and HEPA filtration
  • Homes, rentals and businesses
Black mold growing in vertical streaks on a white plaster wall
Moisture control mattersFix the water problem or mold can return.
24/7 callsDay, night, weekends and holidays
Moisture source firstFind and fix the leak or humidity
Contained work areaPlastic sheeting and HEPA filtration
LexingtonHomes, rentals and businesses
Local conditions

Mold Removal Conditions Around Lexington

Housing numbers tell you about the locality, rather than the state of your property. Base your plans for records, access and moisture repairs on assessment results.

34,295residentsACS 2024
20%of occupied housing units are rentedACS 2024
1965median year housing units were builtACS 2024
1,433residents 65+ live aloneACS 2024

Census ACS 2024 5-year (tables B01003, B25003, B25035, B09021 and B25024). Area estimates do not establish conditions at an individual property.

In Lexington, renters occupy 20 percent of occupied housing units. Confirm who can approve opening affected materials and how you will receive the findings and next steps.

The median year built for housing units in Lexington is 1965. This does not establish your building age or condition. Record visible damage, note when you first saw it and share any available leak repair records.

Single-family units make up 83 percent of all housing units in Lexington. Record visible damage, note when you first saw it and share any available leak repair records.

In Lexington, 20 percent of residents aged 65 or older live alone. Record visible damage, note when you first saw it and share any available leak repair records.

Local Mold Facts for Lexington

  • License: The Massachusetts Department of Public Health mold guidance describes cleanup practices and local enforcement, and it does not point to a statewide mold remediation license. Ask any contractor about their mold training, and check with your city or town about local contractor rules.
  • Disclosure: Ask which mold and moisture findings must be disclosed before a sale or lease in your area.
  • Renters: In Massachusetts, renters report housing code problems, including excess moisture and mold, to the local health authority, which can be the board of health, health department, or inspectional services department. These local offices enforce the state housing code, 105 CMR 410.
  • Agency: The Massachusetts Department of Public Health, Bureau of Climate and Environmental Health runs an Indoor Air Quality Program. Its guidance says the way to control mold is to control moisture, and that routine mold testing is generally not recommended.

State guidance: Mass.gov, Guidance Regarding Testing for Mold in Water-Damaged Public Buildings (MA DPH Indoor Air Quality Program); Mass.gov, Massachusetts law about landlord and tenant (Trial Court Law Libraries, quoting MA DPH guide for occupants)

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Mold removal explained

What to Expect From Mold Removal

During mold removal, the moisture source is located and the affected area contained; uncleanable materials are removed and salvageable materials dried.

You may see related work described as mold abatement, mold remediation, mold mitigation or mold cleanup. Your scope should cover damp materials, visible mold growth and the underlying humidity issue or water intrusion.

Mold removal in Lexington starts by finding and fixing the moisture source. The affected area is contained, damaged porous material may be removed, and remaining surfaces are cleaned and dried. Larger areas, HVAC systems, and growth linked to contaminated water call for professional help.

If your concern crosses a shared wall, ask who can authorize access on both sides and document which rooms need assessment.

  • A musty odor or visibly growing mold
  • Behind walls or floors, hidden moisture
  • Mold near HVAC equipment
  • Flood or leak damage
Two yellow moisture meters, one with pins and one pinless, side by side
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What you get

How to Compare Mold Remediation Companies in Middlesex County

Start With the Moisture Source

Request an explanation of how the leak or condensation or humidity issue will be identified and resolved.

Ask for a Clear Scope of Work

Your scope should spell out repairs, cleanup and drying, identify affected materials and containment, and list what could alter the price.

Use Independent Clearance Testing

If post-remediation verification is needed, an independent assessor avoids having the removal company check its own work.

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Property types

Residential Services With Commercial Mold Removal in Lexington

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Every service

Find 44 Mold Cleanup Services Across Lexington

Select the mold service that fits the signs on your property. You can also call if you are unsure which page fits.

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First steps

Before Hiring Mold Removal Professionals for Your Middlesex County Property

Avoid disturbing growth, save useful documentation and, if you can do so safely, stop the water.

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  1. Stop the water safely. Arrange repairs or turn off the fixture that is leaking. Avoid standing water as well as electrical equipment that is wet.
  2. Limit access. Keep the door shut if possible. Do not let pets or children near visible growth.
  3. Avoid spreading particles. Do not brush, sand or scrape mold without containment. Stop running HVAC equipment when mold may be inside.
  4. Photograph the damage. Before moving anything, document damaged items, the leak and growth you can see. Check with the insurer about required records.
Step by step

Stages of Mold Remediation

Follow mold remediation steps in sequence: assess, set up containment, remove damaged material, clean and dry, verify results, and finally dismantle containment.

  1. Mold Inspection and Moisture Mapping

    A moisture meter and, when useful, a thermal imaging camera help trace the moisture source and affected materials.

  2. Containment and Air Filtration

    Use poly sheeting to create a containment barrier. Clean rooms receive fewer migrating particles with negative air pressure and an air filtration device, the HEPA air scrubber.

  3. Removal of Damaged Materials

    Workers use protective equipment. Drywall removal or other demolition of damaged porous materials may be needed.

  4. Surface Cleaning and Drying

    A HEPA vacuum and damp wiping clean remaining non-porous surfaces. Drying relies on a dehumidifier, air movers and moisture readings.

  5. Final Cleaning and Verification

    Post-remediation verification may include a visual check, clearance testing or air sampling by an independent assessor.

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Price ranges

Lexington, MA: Mold Removal Cost

Fixr puts mold remediation nationally at a typical $1,500 to $9,000. The listed professional cost is $10 to $30 for each square foot on areas larger than about 10 square feet. Your affected area and materials influence price, as do drying, repairs and containment.

Typical National Mold Remediation Range

$1,500 to $9,000Source: Fixr, Mold Remediation Cost (checked 2026-10-23)

Professional Pricing When Areas Exceed About 10 Square Feet

$10 to $30 per square footSource: Fixr, Mold Remediation Cost (checked 2026-10-23)

Typical Inspection With Two Samples and Lab Testing

$450 to $800Source: Fixr, Mold Inspection Cost (checked 2026-10-23)
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Insurance and who pays

Who Pays for Mold Removal in Massachusetts, and Does Insurance Apply?

For insurance coverage, both the cause of moisture and policy matter. Sudden water events covered by your policy may qualify, but humidity, neglect and persistent leaks commonly have limited or excluded coverage.

Homeowners Insurance and Mold Removal

Find out whether a mold sublimit applies and the water event qualifies for coverage, plus what an insurance claim requires before material removal.

Renters and Landlords in Middlesex County

In Massachusetts, renters report housing code problems, including excess moisture and mold, to the local health authority, which can be the board of health, health department, or inspectional services department. These local offices enforce the state housing code, 105 CMR 410.

Property Disclosures

Ask which mold and moisture findings must be disclosed before a sale or lease in your area.

Bright empty living room with polished hardwood floors and large windows

Find a Mold Removal Service in Lexington

Phone at any hour. Ask a mold cleanup specialist to walk you through the process ahead for your property.

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Nearby locations

Explore Mold Removal Services Around Lexington

Hanscom AFBArlingtonWalthamBurlingtonBelmontWinchester
ZIP codes

Find Mold Remediation by Lexington ZIP Code

0242102420
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Questions

Your Mold Cleanup Questions

How much time should you allow for mold remediation?

Material removal and drying affect how long it takes, together with the affected area and repairs to the moisture source. Before starting work, ask about the order.

How can you look for mold in your house?

Check around roofs, plumbing, HVAC equipment and windows for moisture signs, visible growth and a musty odor. You can trace damp material with a mold inspection. When growth and the water source are evident, mold testing may be unnecessary.

Does black mold need a different process?

Mold risk is not revealed by color alone. Your removal plan should reflect the moisture source, affected area, materials and required containment.

When is professional mold removal appropriate?

EPA guidance points to professional help for areas larger than about 10 square feet, extensive water damage, an affected HVAC system, or sewage or contaminated water.

Can mold return after removal?

True. Unresolved condensation, humidity or a leak can allow mold to return. Include identification of the moisture source and an explanation of drying and moisture control in the remediation plan.

Black mold growing in vertical streaks on a white plaster wall

Call a Mold Remediation Company for Your Greater Boston Property

Someone answers calls around the clock, including during holidays and on weekends, 24 hours a day.

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