24/7 mold response (844) 352-3560
IICRC Certified FirmLicensed MA General Contractor4.9 stars, 329 reviewsSame-day & 24/7 responseWe bill your insuranceFree estimates

Boston, Massachusetts

Mold Testing in Boston, MA

Our IICRC-certified crew handles mold testing for Boston homes and businesses. Same-day response, we bill your insurance, and free estimates.

IICRC certifiedSame-day responseWe bill insuranceFree estimates
Air sampling pump collecting a mold spore sample in an indoor living space in a Boston, Massachusetts home

Reviews

Rated 4.9 by Boston-area neighbors

4.9
from 329 reviews

We were renting out a property and needed documented proof of the mold conditions for a dispute with the previous tenant. The sampling process was straightforward and the lab report gave us clear, objective results.

Colton Escobar
Ipswich, MA · March 11, 2025

The crew showed up on time, contained the work area, and showed me the moisture readings before and after. Tidy, careful work.

Shreya Everhart
Boston, MA · January 19, 2023

No more allergy symptoms since they cleaned the mold from our HVAC and bedroom walls.

Wilhelmina Everhart
South Hamilton, MA · December 22, 2025

Our process

Our mold testing process in Boston, MA

Inspect

We walk the property first to identify the best sampling locations based on visible conditions and history.

Contain

We take steps to avoid cross-contaminating samples between different areas of the home.

Remove

Samples are collected using air pumps and surface swabs and sent to an independent lab for analysis.

Dry

We note any moisture conditions found during sampling that would need to be addressed.

Verify

Once lab results come back, we walk you through what they mean and what your options are.

Certified & trusted

Standards we work to, carriers we bill

Better Business Bureau accredited
United States Environmental Protection Agency
State Farm insurance accepted
Allstate insurance accepted
American Family Insurance accepted

Where we work in Boston

Boston neighborhoods we cover

From older homes near downtown Boston to newer builds nearby, we handle basement, bathroom, and attic mold across Suffolk County.

Beacon HillVA Boston Healthcare System, Brockton CampusEast CambridgeCharlestownCambridgeDorchesterQuincyLynn
All mold services here

What it costs

Mold Testing cost in Boston, MA

Every job is different, so here are the typical Massachusetts ranges we see. These are planning numbers, not a quote.

Small area
$500 to $1,500

A single moldy spot, a closet, or under a sink. We contain it, remove it, and treat the surface.

One room
$1,500 to $3,500

A bathroom, kitchen, or bedroom with mold on a wall or ceiling, plus the moisture source fixed.

Basement, attic, or crawl space
$2,000 to $6,000

Larger areas that need more containment and drying. Common here after spring rain or a slow leak.

Whole-house or severe
$10,000 and up

Mold across several rooms or after major water damage. We work in phases, room by room.

We give free estimates, so the surest way to know your number is to call. Want a ballpark first? Try our instant mold remediation cost calculator. Filing a claim? We bill your carrier directly, so see our mold insurance claims guide.

Local knowledge

Mold Testing for Boston, MA homes

Mold Testing in Boston tends to start the same way mold does across Suffolk County: heavy rain and seasonal flooding pushing water toward foundations and crawl spaces. When that moisture sits for even a day or two, mold takes hold, and that is when homeowners from Beacon Hill, VA Boston Healthcare System, Brockton Campus, East Cambridge and the rest of Boston call us.

We handle mold testing for Boston the right way. We find and fix the moisture source first, because mold always returns if the water problem is left behind, then we contain the area and remove the mold safely.

Our team is based in South Hamilton, about 35 minutes from our South Hamilton base, so we can usually reach a Boston home the same day. Our methods follow public guidance from the EPA and the CDC on handling indoor mold safely.

Boston specifics

Why Boston homes need Mold Testing

Most Mold Testing jobs in the area trace back to heavy rain and seasonal flooding pushing water toward foundations and crawl spaces, a pattern we see week after week. We keep Mold Testing contained and tidy, so the rest of the home near Cambridge stays livable while we work. A Boston home that needs Mold Testing almost always has a moisture story behind it, and it usually starts with crawl spaces and sump pumps around Boston. If you have noticed symptoms that flare up indoors in your home, mold testing is worth a call before the damp reaches the framing.

We handle Mold Testing for homes from Lynn to Cambridge and the surrounding area the same careful way. The reason Mold Testing comes up so often here is simple: humid seasons, working on local homes month after month. When people here search for Mold Testing, the growth they can see is usually the last symptom, not the cause. Our crew has done Mold Testing across Suffolk County enough to know how plumbing leaks and poor ventilation moves through these homes.

A Mold Testing visit tends to run like this:

  • HEPA vacuum, clean, and treat the surrounding surfaces
  • Contain the space under negative air with HEPA filtration
  • Inspect the affected area and find the moisture feeding the mold
  • Stop the water source so the problem does not come back
  • Recheck the space and document the work for your records

Because our crew works about 35 minutes from our South Hamilton base, you usually get a same-day look for mold testing.

Good to know

Mold Testing in Boston, MA: common questions

Do I need mold testing if I can already see mold?

If mold is visible with an obvious moisture source, testing usually isn't necessary before remediation. Testing is more useful for ambiguous cases or documentation needs.

What's the difference between air and surface samples?

Air samples measure spore concentration in the air, useful for smell without a visible source. Surface samples identify the species on a specific visible growth.

Is the lab independent from your company?

Yes, samples are sent to an independent laboratory for analysis, which keeps the results objective.

Is the mold testing you do in Boston to a real standard?

Yes. Our crew follows the IICRC S520 standard for mold remediation, the same framework insurers and inspectors recognize across Suffolk County.

How long does it take to get lab results?

Turnaround depends on the lab, but results are typically available within a few business days after samples are submitted.

Can testing be used for a landlord-tenant dispute?

Yes, documented lab results are often used to establish conditions in rental property disputes.

How do you keep the mold from coming back after mold testing?

We fix the moisture source first, not just the mold, then dry the structure and recheck it. That is what keeps mold from returning to a Boston home.

Do you serve Boston?

Yes. We cover all of Boston, including Beacon Hill, VA Boston Healthcare System, Brockton Campus, East Cambridge, and the rest of the Boston area. We are based in South Hamilton, about 35 minutes from our South Hamilton base, and answer our own phone around the clock.

Talk to a certified team now

Need mold testing in Boston, MA?

Call our 24/7 line and talk to the certified crew directly. Same-day response, we bill your insurance, and free estimates.